CN112516414A - Common injection device - Google Patents

Abstract

The invention relates to a shared injection device, which is used for assembling an injection needle tube provided with a medicament, and comprises a needle tube lining, a medicament information providing part arranged on the needle tube lining, and an injection pushing mechanism detachably connected with the needle tube lining, wherein the needle tube lining provided with the medicament information providing part is arranged on the injection needle tube in advance; on the other hand, the combined structure that the injection propulsion mechanism is detachably connected with the needle tube lining pre-arranged on the injection needle tube is utilized, so that the injection propulsion mechanism can be shared and reused, a specific or special injection device does not need to be manufactured according to the injection needle tubes provided with different medicines, unnecessary waste is reduced, and the cost is reduced.

Description

Common injection device

Technical Field

The present invention relates to an injection device, and more particularly, to a common injection device capable of assembling an injection needle tube containing a medicine and providing medicine identification information.

Background

Existing injection devices have been provided with the ability to control or adjust the amount of medication injected based on safety regulations for medication injection. That is, after the metering injection device is assembled with the injection needle tube equipped with the medicine, the injection propulsion mechanism of the injection device is utilized to push the piston of the tube of the injection needle tube to move for a certain travel distance, and then the medicine with the preset dosage is output through the front end needle head of the tube.

However, during the use of the injection device, a user must first confirm whether the medicine filled in the syringe is correct, and then determine the injection dose and the injection advancing stroke according to the requirements of different injection objects.

However, the conventional injection device only has the function of connecting the injection needle tube and the injection pushing function, but does not have the function of interpreting the information of the medicine in the assembled injection needle tube, and it is difficult to assist the user in confirming whether the medicine to be injected is correct or not, which causes the problem of insufficient safety during the medicine injection process.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: a common injection device is provided to solve the problems that the prior injection device can not interpret the medicine information in the assembled injection needle tube, is difficult to confirm whether the medicine to be injected is correct, and can not be used commonly because the injection devices are respectively manufactured according to the injection needle tubes containing different medicines.

The technical solution proposed by the invention is as follows: there is provided a common type injection device for assembling a syringe tube containing a medicine, the common type injection device comprising:

a needle tube lining which can be assembled in the injection needle tube and comprises a connecting part;

a medicine information providing part which is arranged on the needle tube lining and can provide the information which can be read and corresponds to the medicine; and

an injection propelling mechanism which is detachably connected with the connecting part of the needle tube lining and can provide propelling force for injecting the medicine for the injection needle tube.

In the above-described common injection device, the medicine information providing part is formed on the outer surface of the needle hub and is capable of visually recognizing the medicine information.

In the above-mentioned common injection device, the injection pushing mechanism is a manual injection pushing mechanism, which includes a housing and a screw pushing rod assembly, the housing is detachably connected to the connecting portion of the needle tube lining, the screw pushing rod assembly is disposed in the housing, and the screw pushing rod assembly can extend into the injection needle tube through the needle tube lining to provide pushing force.

In the above-described common injection device, the injection advancing mechanism is an electric injection advancing mechanism, and the injection advancing mechanism includes:

a casing, the front end of which can be connected with the connecting part of the needle tube lining in a detachable way;

the spiral pushing rod group is arranged in the shell and can be driven to extend out of the front end of the shell and extend into the injection needle tube to provide pushing force;

an electric motor, it is installed in the machine shell, and is connected with said screw propulsion rod group; and

the control assembly is arranged in the shell and comprises a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected with the electric motor and can determine the action mode of the electric motor so as to execute the injection propulsion stroke, and the switch element is exposed out of the shell and can control the switch of the control circuit board.

In the above-mentioned common injection device, the medicine information providing part is disposed in the needle tube liner and can electronically interpret the medicine information, and is combined with an electronic interpretation module installed in the injection pushing mechanism.

In the above-described common injection device, the injection advancing mechanism is an electric injection advancing mechanism, and the injection advancing mechanism includes:

a casing, the front end of which can be detachably and rotatably connected with the connecting part of the needle tube lining;

the spiral pushing rod group is arranged in the shell and can be driven to extend out of the front end of the shell and extend into the injection needle tube to provide pushing force;

an electric motor, it is installed in the machine shell, and is connected with said screw propulsion rod group; and

a control assembly, which is arranged in the casing and comprises a control circuit board with a microprocessor and a switch element, wherein the control circuit board is electrically connected with the electric motor and can determine the action mode of the electric motor for executing the injection propulsion stroke, and the switch element is exposed out of the casing and can control the switch of the control circuit board;

the medicine information providing part is an angular displacement analogy module, the medicine information providing part is provided with an angular displacement driving part formed on the peripheral surface of the connecting part of the needle tube lining, and can be assembled in the shell of the injection propulsion mechanism and rotate along with the connecting part of the needle tube lining, the angular displacement driving part sets a contact transmission section of a specific rotation angle according to the medicine information filled in the injection needle tube, the electronic interpretation module is arranged in the shell of the injection propulsion mechanism, the electronic interpretation module comprises a driven wheel and an angular displacement detection element, the driven wheel can be driven by the angular displacement driving part to rotate to generate an angular displacement of a specific angle, the angular displacement detection element is connected with the driven wheel and is electrically connected with a control circuit board of the control assembly, and the angular displacement detection element outputs corresponding angular displacement analogy information to the control circuit board according to the angular displacement amount of the driven wheel driven to rotate, the microprocessor of the control circuit board can read the angular displacement analog information, judge the type of the medicine and determine to execute the specific injection propulsion action corresponding to the medicine.

In the above-mentioned common injection device, the angular displacement driving part has a structure with at least one corner limiting tooth, and the angular displacement driving part sets the number of the corner limiting teeth according to the information of the medicine filled in the injection needle tube; the electronic interpretation module comprises a driven wheel, an angular displacement detection element, a control circuit board, an angular displacement driving part and an angular displacement detection element, wherein the driven wheel is a gear matched with the corner limiting teeth, the angular displacement detection element is a potentiometer or a variable resistor and is electrically connected with the control circuit board of the control assembly, a specific rotating angle range is provided by the corner limiting teeth to serve as a contact transmission section, a non-contact transmission section is arranged in the area located on the periphery of the angular displacement driving part, and the angular displacement detection element outputs corresponding voltage signals to the control circuit board according to the angular displacement of the driven wheel driven to rotate.

In the above-mentioned common injection device, the angular displacement driving part is a contact transmission section having frictional resistance, and is set to a specific length according to the medicine information in the syringe; the driven wheel of the electronic interpretation module is a friction wheel which can be driven by the angular displacement driving part in a friction mode, the angular displacement detection element is a potentiometer or a variable resistor and is electrically connected with the control circuit board of the control assembly, and the angular displacement detection element outputs corresponding voltage signals to the control circuit board according to the angular displacement of the driven wheel which is driven to rotate.

In the above-described common injection device, the injection advancing mechanism is an electric injection advancing mechanism, and the injection advancing mechanism includes:

a casing, the front end of which can be connected with the connecting part of the needle tube lining in a detachable way;

the spiral pushing rod group is arranged in the shell and can be driven to extend out of the front end of the shell and extend into the injection needle tube to provide pushing force;

an electric motor, it is installed in the machine shell, and is connected with said screw propulsion rod group; and

a control assembly, which is arranged in the casing and comprises a control circuit board with a microprocessor and a switch element, wherein the control circuit board is electrically connected with the electric motor and can determine the action mode of the electric motor for executing the injection propulsion stroke, and the switch element is exposed out of the casing and can control the switch of the control circuit board;

the medicine information providing part is an angular displacement analog module, the medicine information providing part is provided with a conductive coating or a conductive sticker which is formed on a specific section of the peripheral surface of the connecting part of the needle tube lining, the electronic interpretation module comprises an angular displacement detection element, the angular displacement detection element is provided with a coil and is electrically connected with a control circuit board of the control component, the angular displacement detection element detects the magnetic flux change of the conductive coating or the conductive sticker according to the distance caused by the rotation angular displacement and outputs a corresponding magnetic flux signal to the control circuit board, and a microprocessor of the control circuit board can read the magnetic flux signal to judge the type of the medicine and determine to execute a specific injection propulsion action corresponding to the medicine.

In the above-described common injection device, the injection advancing mechanism is an electric injection advancing mechanism, and the injection advancing mechanism includes:

a casing, the front end of which can be connected with the connecting part of the needle tube lining in a detachable way;

the spiral pushing rod group is arranged in the shell and can be driven to extend out of the front end of the shell and extend into the injection needle tube to provide pushing force;

an electric motor, it is installed in the machine shell, and is connected with said screw propulsion rod group; and

a control assembly, which is arranged in the casing and comprises a control circuit board with a microprocessor and a switch element, wherein the control circuit board is electrically connected with the electric motor and can determine the action mode of the electric motor for executing the injection propulsion stroke, and the switch element is exposed out of the casing and can control the switch of the control circuit board;

the medicine information providing part can provide photoelectric coded digital information and has a light sensing section with a specific light transmission area set according to the medicine information in the injection needle; the electronic interpretation module is a photoelectric coding module and is arranged in a shell of the injection propulsion mechanism, the electronic interpretation module comprises a luminous source and a light detection element, the luminous source and the light detection element can be positioned at two opposite sides of the light induction section and are both electrically connected with a control circuit board of the control component, a corresponding voltage signal is output to the control circuit board according to the light transmission quantity passing through the light induction section, and a microprocessor of the control circuit board can judge the type of the medicine according to the voltage signal and determine to execute a specific injection propulsion action corresponding to the medicine.

In the above-described common injection device, the injection advancing mechanism is an electric injection advancing mechanism, and the injection advancing mechanism includes:

a casing, the front end of which can be connected with the connecting part of the needle tube lining in a detachable way;

the spiral pushing rod group is arranged in the shell and can be driven to extend out of the front end of the shell and extend into the injection needle tube to provide pushing force;

an electric motor, it is installed in the machine shell, and is connected with said screw propulsion rod group; and

a control assembly, which is arranged in the casing and comprises a control circuit board with a microprocessor and a switch element, wherein the control circuit board is electrically connected with the electric motor and can determine the action mode of the electric motor for executing the injection propulsion stroke, and the switch element is exposed out of the casing and can control the switch of the control circuit board;

the medicine information providing part is provided with a one-dimensional bar code or a two-dimensional bar code which is set according to the medicine information in the injection syringe, the electronic interpretation module is arranged in a shell of the injection propulsion mechanism and comprises a luminous source and an image scanning element, the luminous source and the image scanning element are electrically connected with a control circuit board, so that the medicine information providing part is irradiated by the luminous source, the image scanning element scans the one-dimensional bar code or the two-dimensional bar code of the medicine information providing part, a microprocessor of the control circuit board judges the type of the medicine according to the information generated by scanning the one-dimensional bar code or the two-dimensional bar code provided by the medicine information providing part and determines to execute a specific injection propulsion action corresponding to the medicine.

In the above-mentioned common injection device, the control assembly further includes a display screen and a control module having a control rod, the display screen and the control module are installed in the casing and are both electrically connected to the control circuit board, and the control rod and the display screen are both exposed outside the casing.

The invention has the advantages that the needle tube bushing provided with the medicine information providing part is assembled on the injection needle tube in advance, and the medicine information providing part provides the interpretable medicine information which is correctly corresponding to the medicine filled in the injection needle tube, so that a user firstly confirms whether the medicine filled in the injection needle tube is correct through the interpretable medicine information providing part, after the medicine is confirmed to be correct, the injection pushing mechanism is connected with the needle tube bushing, and the injection dosage and the execution of the injection pushing stroke are determined according to the medicine information and the requirements of an injected object, thereby ensuring the injection safety.

Furthermore, the invention of the common injection device only needs to set the medicine information arranged in the needle tube lining according to the medicines filled in different injection needle tubes and pre-arrange the needle tube lining on the corresponding injection needle tube, thus, the injection propulsion mechanism can be connected with the injection needle tubes filled with different medicines, the injection propulsion mechanism can be shared and reused, no special or special injection device is required to be manufactured according to the injection needle tubes filled with different medicines, thereby reducing unnecessary waste and lowering cost.

In the common injection device, the medicine information providing part can be medicine information which is formed on the outer surface of the needle tube lining and can be visually read, or the medicine information providing part is arranged in the needle tube lining and can be electronically read, and is combined with an electronic reading module arranged in the injection propulsion mechanism to provide the medicine information contained in the injection needle tube, so that a user can execute a specific injection propulsion action stroke according to the medicine information.

In the common injection device, when the medicine information providing part is arranged in the needle tube lining and can electronically interpret the medicine information and is combined with an electronic interpretation module arranged in the injection propulsion mechanism, the injection propulsion mechanism adopts an electric injection propulsion mechanism, a control circuit board of a control assembly of the injection propulsion mechanism is electrically connected with the electronic interpretation module, the electronic interpretation module can read the medicine information provided by the medicine information providing part, and a microprocessor of the control circuit board can judge the type of the medicine according to a signal output by the electronic interpretation module and decide to execute a specific injection propulsion action corresponding to the medicine.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present invention of a common injection device with a manual injection pushing mechanism in combination with an injection needle cannula.

Fig. 2 is a partially exploded perspective view of the preferred embodiment of the co-operating injection device with a manual injection pushing mechanism and injection needle cannula of fig. 1.

Fig. 3 is a front plan view of the manual injection pushing mechanism shown in fig. 1-2.

Fig. 4 is a perspective view of the preferred embodiment of the co-operating injection device with a manual injection pushing mechanism of fig. 2, shown from another perspective view angle with the injection needle cannula.

Fig. 5 is an exploded perspective view of the preferred embodiment of the common injection device with manual injection pushing mechanism and the injection needle tube shown in fig. 1 and 2.

Fig. 6 is a cross-sectional view of the preferred embodiment of the co-injection device of fig. 1 with a manual injection pushing mechanism in combination with an injection needle cannula.

FIG. 7 is a perspective view of a common injection device with an electric injection propulsion mechanism combined with an injection needle tube according to a preferred embodiment of the present invention.

Fig. 8 is a partially exploded perspective view of the preferred embodiment of the common injection device with an electric injection propulsion mechanism and injection needle of fig. 7.

FIG. 9 is a perspective view of a preferred embodiment of the common injection device with a power-driven injection propulsion mechanism of FIG. 8 shown from another perspective view angle with an injection needle cannula.

Fig. 10 is a front end plan view of the electric injection propulsion mechanism of fig. 8.

Fig. 11 is a partially exploded perspective view of the preferred embodiment of the common injection device with an electric injection propulsion mechanism and the injection needle tube shown in fig. 7 and 8.

Fig. 12 is an exploded perspective view of the preferred embodiment of the common injection device with an electric injection propulsion mechanism and the injection needle tube shown in fig. 7 and 8.

Fig. 13 is a partial perspective view of the preferred embodiment of the common injection device with an electric injection propulsion mechanism and injection needle shown in fig. 7, 8 and 12.

FIG. 14 is a cross-sectional view of the preferred embodiment of the injection device of FIG. 7 with a power-driven injection propulsion mechanism incorporated into an injection needle cannula.

Fig. 15 is a partially exploded perspective view of another preferred embodiment of the present invention of a common injection device with an electric injection propulsion mechanism and an injection needle tube.

Fig. 16 is a partially exploded perspective view of the preferred embodiment of the common injection device with an electric injection propulsion mechanism of fig. 15.

Fig. 17 is a front end plan view of the electric injection propulsion mechanism of fig. 15.

FIG. 18 is a partial perspective view from another perspective of the preferred embodiment of the coinjection apparatus with the electric injection propulsion mechanism shown in FIG. 15.

FIG. 19 is a rear plan view of the needle hub and electronic interpretation module of the preferred embodiment of the coinjection apparatus with the electric injection propulsion mechanism shown in FIG. 15.

Description of reference numerals:

1 injection needle tube

1A pipe fitting

2A, 2B, 2C common injection device

10A, 10B, 10C needle tube bush

11A, 11B, 11C connection

12A, 12B, 12C bushing base

14A, 14B, 14C clamping lug

15A, 15B and 15C buckle

20A, 20B, 20C medicine information providing part

21B angular displacement driving part

21C light sensing section

30B, 30C electronic interpretation module

31B angular displacement detecting element

32B driven wheel

31C luminous source

32C light detecting element

40A, 40B, 40C injection propulsion mechanism

41A casing

411A assembly groove

41B, 41C casing

411B and 411C assembling groove

42A, 42B, 42C spiral propelling rod group

421A connecting piece

422A adjusting collar

423A spiral pushing rod

424A push rod

423B spiral pushing rod

425B spiral guide rod

43B, 43C electric motor

44B, 44C control assembly

45B and 45C control circuit board

46B, 46C switching element

47B, 47C display screen

48B, 48C control module

481 the lever.

Detailed Description

The technical means adopted by the invention to achieve the preset purpose are further described below by combining the accompanying drawings and the preferred embodiments of the invention.

Referring to fig. 1, 7 and 15, there are shown various preferred embodiments of thecommon injection devices 2A, 2B and 2C of the present invention and a schematic view of the injection needle tube 1. as can be seen from these figures, the injection needle tube 1 is provided with medicine and a piston in its tube, the front end of thetube 1A is provided with a needle, and a needle sheath is provided outside the needle. Thecommon injection devices 2A, 2B and 2C of the invention can be connected with the rear end of thetube 1A of the injection needle tube 1, and can provide medicine information corresponding to the medicine in the injection needle tube, so that a user can execute corresponding injection action according to the medicine information.

As shown in fig. 1 to 2, 7 to 9, and 15 to 16, thecommon injection devices 2A, 2B, and 2C according to the present invention may be manual or electric injection devices, and thecommon injection devices 2A, 2B, and 2C include asyringe liner 10A, 10B, and 10C, a medicineinformation providing portion 20A, 20B, and 20C, and aninjection advancing mechanism 40A, 40B, and 40C.

As shown in fig. 2 to 5, 7 to 12, and 15 to 18, theneedle tube bushes 10A, 10B, 10C can be assembled at the rear end of thetube 1A of the injection needle tube 1, and theneedle tube bushes 10A, 10B, 10C include connectingparts 11A, 11B, 11C, and the connectingparts 11A, 11B, 11C are used to assemble theinjection propulsion mechanisms 40A, 40B, 40C. In the preferred embodiments disclosed in the drawings, theneedle tube bush 10A, 10B, 10C includes abush base 12A, 12B, 12C, thebush base 12A, 12B, 12C is formed at the front end of the connectingportion 11A, 11B, 11C, an operating portion protruding outward may be formed at each of opposite sides of thebush base 12A, 12B, 12C, and a central hole axially penetrating thebush base 12A, 12B, 12C and the connectingportion 11A, 11B, 11C is formed in theneedle tube bush 10A, 10B, 10C, the central hole providing thetube 1A of the injection needle tube 1 to pass therethrough, and the rear end of thetube 1A can be fixed in the central hole.

As shown in fig. 2 to 5, 7 to 12 and 15 to 18, in the preferred embodiments disclosed in the drawings, a plurality of engagingprotrusions 14A, 14B and 14C are formed on the outer peripheral wall of the connectingportions 11A, 11B and 11C, and are engaged with theinjection advancing mechanisms 40A, 40B and 40C through the plurality of engagingprotrusions 14A, 14B and 14C. The connectingparts 11A, 11B and 11C of theneedle tube linings 10A, 10B and 10C form a plurality of bucklinghooks 15A, 15B and 15C extending into the middle hole, and the plurality of bucklinghooks 15A, 15B and 15C can be used for buckling and fixing the rear end of thetube 1A.

As shown in fig. 2 to 5, 7 to 12, and 15 to 18, the medicineinformation providing parts 20A, 20B, and 20C are disposed on theneedle tube bushes 10A, 10B, and 10C and can provide readable information corresponding to the medicines, one medicineinformation providing part 20A, 20B, and 20C may be provided, or the number of the medicineinformation providing parts 20A, 20B, and 20C may be increased by matching with the combination structure between the combination part of theneedle tube bushes 10A, 10B, and 10C and theinjection advancing mechanisms 40A, 40B, and 40C, without limiting to one medicineinformation providing part 20A, 20B, and 20C.

As shown in fig. 1, 2, 4 and 5, the medicineinformation providing part 20A may be formed on the outer surface of theneedle hub 10A and provide information that can be visually read, such as patterns, letters, numbers or combinations thereof. Alternatively, as shown in fig. 8 to 11 and 16 to 19, the medicineinformation providing parts 20B and 20C may be provided in theneedle hub 10B and 10C and provide electronically readable information such as: the angular displacement analog information or photoelectric encoding digital information can be read byelectronic interpretation modules 30B, 30C such as angular displacement analog module or photoelectric encoding module.

As shown in fig. 1, 7 and 15, theinjection propulsion mechanism 40A, 40B, 40C is detachably connected to the connectingportion 11A, 11B, 11C of thesyringe liner 10A, 10B, 10C and can provide propulsion force for injecting medicine to the injection syringe 1. Theinjection pushing mechanism 40A, 40B, 40C can be a manual or an electric injection pushing mechanism, wherein, as shown in fig. 1, 2, 4 and 5, when the medicineinformation providing part 20A is visually readable information, theinjection pushing mechanism 40A can be a manual injection pushing mechanism or an electric injection pushing mechanism; as shown in fig. 7 to 9 and fig. 15 to 16, when the medicineinformation providing parts 20B and 20C are electronically readable information, theinjection advancing mechanisms 40B and 40C are electrically driven injection advancing mechanisms, andelectronic reading modules 30B and 30C are installed in theinjection advancing mechanisms 40B and 40C for automatically executing corresponding specific injection movements according to the electronically readable information.

Referring to fig. 1-6, which illustrate theinjection pushing mechanism 40A as a manual injection pushing mechanism, theinjection pushing mechanism 40A includes ahousing 41A and a spiral pushingrod assembly 42A, wherein thehousing 41A is detachably connected to the connectingportion 11A of theneedle cannula hub 10A. In the preferred embodiment, the front end of thehousing 41A has a set of receivingslots 411A and at least one fastening recess communicating with the set of receivingslots 411A, and after the connectingportion 11A of thesyringe liner 10A connected to the rear end of the injection syringe 1 can be inserted into the set of receivingslots 411A and rotated by an angle, thefastening protrusion 14A of the outer peripheral wall of the connectingportion 11A is fastened in the fastening recess, so that the connectingportion 11A of thesyringe liner 10A can be detachably fixed to the front end of thehousing 41A.

As shown in fig. 1 to 6, the spiral pushing rod set 42A is disposed in thehousing 41A, the spiral pushing rod set 42A can extend into the injection needle tube 1 through thecentral hole 13A of theneedle tube bush 10A to provide a pushing force for the piston in thetube member 1A of the injection needle tube 1, and the spiral pushing rod set 42A can be made of various known products, and detailed description thereof is omitted. Alternatively, as shown in fig. 1 to 6, in the preferred embodiment, the screw pushing rod set 42A includes a set of connectingmember 421A, a set ofring 422A, ascrew pushing rod 423A and a pushingrod 424A, thescrew pushing rod 423A is screwed in the pushingrod 424A, the adjustingring 422A is screwed at the rear end of the set of connectingmember 421A and is sleeved outside the pushingrod 424A, the screw pushing rod set 42A and the set of connectingmember 421A are assembled in thehousing 41A, thescrew pushing rod 423A and the pushingrod 424A can be pushed by hand through the set of connectingmember 421A, the pushingrod 424A can be pushed by hand, and thescrew pushing rod 423A is driven to move forward to extend into thetube member 1A of the injection needle tube 1, so as to provide pushing force for the piston in thetube member 1A.

As shown in fig. 1 to 6, in the preferred embodiment, when theinjection pushing mechanism 40A is a manual injection pushing mechanism, after theneedle cannula hub 10A connected to the rear end of the injection needle cannula 1 is connected to the front end of thehousing 41A of theinjection pushing mechanism 40A, the user provides visually readable medicine information corresponding to the medicine contained in the injection needle cannula 1 according to the medicine information providing part provided on the outer peripheral surface of theneedle cannula hub 10A, and manually operates theinjection pushing mechanism 40A to perform an injection pushing stroke corresponding to the medicine.

In the preferred embodiment shown in fig. 7-14 and 15-19, when theinjection propulsion mechanisms 40B, 40C are electric injection propulsion mechanisms, theinjection propulsion mechanisms 40B, 40C include ahousing 41B, 41C, a screw propulsion rod set 42B, 42C, anelectric motor 43B, 43C, and acontrol assembly 44B, 44C. Thecasing 41B, 41C is a hollow casing, and the front end of thecasing 41B, 41C is detachably connected to the connectingportion 11B, 11C of theneedle hub 10B, 10C. In the preferred embodiment, the front end of thecasing 41B, 41C has a set of receivingslots 411B, 411C and a locking recess for communicating the receiving slots, and the connectingportion 11B, 11C of thesyringe liner 10B, 10C connected to the rear end of the injection syringe 1 can be inserted into the receivingslot 411B, 411C and rotated by an angle, so that the lockingprotrusion 14B, 14C of the peripheral wall of the connectingportion 11B, 11C is locked in the locking recess, so that the connectingportion 11B, 11C of thesyringe liner 10B, 10C can be detachably fixed to the front end of thecasing 41B, 41C.

As shown in fig. 7 to 14 and fig. 15 to 19, the spiral pushing rod sets 42B and 42C are installed in thehousings 41B and 41C and can be driven to extend out of the front ends of thehousings 41B and 41C to extend into thetube 1A of the injection needle tube 1 to push the piston, and the spiral pushing rod sets 42B and 42C can be made of known products, and detailed structures thereof are not described herein again. Alternatively, as shown in fig. 14, in the preferred embodiment, the spiral pushing rod set 42B, 42C includes aspiral pushing rod 423B and aspiral guiding rod 425B, thespiral guiding rod 425B is pivoted in thehousing 41B, 41C in a fixed-point rotatable manner, thespiral pushing rod 423B is screwed in thespiral guiding rod 425B and can be driven by thespiral guiding rod 425B to extend forward into thetube 1A of the injection needle tube 1 to push the piston.

As shown in fig. 7 to 14 and fig. 15 to 19, theelectric motors 43B and 43C are installed in thehousings 41B and 41C and connected to the screw propulsion rod sets 42B and 42C to drive the screw propulsion rod sets 42B and 42C to generate thrust for pushing the pistons to move linearly. In the preferred embodiment shown in fig. 14, theelectric motors 43B, 43C are connected to the rear end of thespiral guide rod 425B by their spindles via a coupling element, so as to drive thespiral guide rod 425B of the spiral pushingrod groups 42B, 42C to rotate, and then drive thespiral pushing rod 423B to extend forward into thetube 1A of the injection needle tube 1 through thespiral guide rod 425B to push the piston.

As shown in fig. 7 to 14 and fig. 15 to 19, thecontrol components 44B and 44C are installed in thehousings 41B and 41C, thecontrol components 44B and 44C include acontrol circuit board 45B and 45C having a microprocessor and aswitch element 46B and 46C, thecontrol circuit board 45B and 45C is electrically connected to theelectric motor 43B and 43C and can determine the operation mode of theelectric motor 43B and 43C to perform the corresponding injection operation. Theswitch elements 46B, 46C are exposed outside thecasing 41B, 41C and can control the switches of thecontrol circuit board 45B, 45C to start theelectric motors 43B, 43C to drive the screw pushing rod sets 42B, 42C to execute the injection pushing stroke.

In the preferred embodiment shown in fig. 7 to 14 and fig. 15 to 19, thecontrol assembly 44B, 44C further includes adisplay screen 47B, 47C and acontrol module 48B, 48C, thedisplay screen 47B, 47C and thecontrol module 48B, 48C are installed in thecasing 41B, 41C, thecontrol module 48B, 48C and thedisplay screen 47B, 47C are electrically connected to thecontrol circuit board 45B, 45C, thecontrol module 48B, 48C has acontrol lever 481B, 481C, thedisplay screen 47B, 47C and thecontrol lever 481B, 481C are exposed outside thecasing 41B, 41C, and thecontrol lever 481B, 481C of thecontrol module 48B, 48C and theswitch element 46B, 46C can set and control theelectric motor 43B, 43C to drive the screw propulsion lever set 42B, 42C to perform stable propulsion stroke and switch, and thecontrol assembly 44B, 481C further includes acontrol module 48B, 481C and aswitch element 46B,46C 44C may be any known product, and the specific configuration thereof will not be described herein.

As shown in fig. 7 to 14 and fig. 15 to 19, when theinjection propulsion mechanisms 40B and 40C are electric injection propulsion mechanisms, the medicineinformation providing parts 20B, 20C are provided in theneedle tube bushes 10B, 10C and provide information that can be electronically read, the medicineinformation providing parts 20B, 20C are combined with anelectronic interpretation module 30B, 30C, theelectronic interpretation modules 30B, 30C are disposed in thehousings 41B, 41C of theinjection propulsion mechanisms 40B, 40C, and theelectronic interpretation modules 30B, 30C are electrically connected to thecontrol circuit boards 45B, 45C, for interpreting the electronically interpretable medicine information provided by the medicineinformation providing parts 20B, 20C, thecontrol circuit boards 45B, 45C determine the electronically interpretable medicine information, the operation mode of the drivingelectric motors 43B, 43C is determined to execute the corresponding specific injection advancing stroke.

In the foregoing, when the medicineinformation providing parts 20B and 20C provide the electronically readable medicine information, the medicineinformation providing parts 20B and 20C and theelectronic interpretation modules 30B and 30C can be implemented by at least the following various preferred embodiments.

In the preferred embodiment shown in fig. 7 to 14, the medicineinformation providing part 20B provides angular displacement analog information, and when theelectronic identification module 30C is an angular displacement analog module, the medicineinformation providing part 20B has an angulardisplacement driving part 21B formed on the outer peripheral surface of the connectingpart 11B of thesyringe liner 10B and can be assembled in thehousing 41B of theinjection propulsion mechanism 40B and rotate along with the connectingpart 11B of thesyringe liner 10B, the angulardisplacement driving part 21B is a contact transmission section for setting a specific rotation angle thereof according to the medicine information loaded in the injection syringe 1, theelectronic identification module 30B is installed in thehousing 41B of theinjection propulsion mechanism 40B, theelectronic identification module 30B includes a drivenwheel 32B and an angulardisplacement detecting element 31B, the drivenwheel 32B can be driven by the angulardisplacement driving part 21B to rotate to generate a specific angular displacement, the angulardisplacement detecting element 31B is connected to the drivenwheel 32B and electrically connected to thecontrol circuit board 45B of thecontrol assembly 44B, and the angulardisplacement detecting element 31B outputs corresponding angular displacement analog information to thecontrol circuit board 45B according to the angular displacement of the drivenwheel 32B driven to rotate.

In the preferred embodiment shown in fig. 7-14, the angulardisplacement driving part 21B may be a structure having one angular limit tooth or a plurality of continuous angular limit teeth, and the angulardisplacement driving part 21B sets the number of the angular limit teeth according to the information of the medicine filled in the syringe, such as: the angular displacement driving part is set to have 1 corner limit tooth according to the first medicament, the angular displacement driving part is set to have 2 continuous corner limit teeth according to the second medicament, and the like, the drivenwheel 32B of theelectronic interpretation module 30B is a gear matched with the corner limit teeth, the angulardisplacement detection element 31B can select a potentiometer or a variable resistor, a specific rotating angle range is provided as a contact transmission section through the corner limit teeth, a region positioned on the periphery of the angulardisplacement driving part 21B is a non-contact transmission section, and the non-contact transmission section is a section which cannot drive the drivenwheel 32B to rotate. The angulardisplacement detecting element 31B outputs a corresponding voltage signal to thecontrol circuit boards 45B, 45C in accordance with the amount of angular displacement by which the drivenwheel 32B is driven to rotate.

In the foregoing, the number of the corner limit teeth of the angulardisplacement driving portion 21B is small, the angular displacement amount generated by the drivenwheel 32B is small, the number of the corner limit teeth of the angulardisplacement driving portion 21B is large, the angular displacement amount generated by the drivenwheel 32B is large, the angulardisplacement detecting element 31B generates voltage signals with different magnitudes according to the magnitude change of the rotational angular displacement amount of the drivenwheel 32B, and according to the linear relationship, the microprocessor of thecontrol circuit board 45B can read the generated voltage signals in a specific interval, determine the type of the medicine, and determine to execute a specific injection propulsion action corresponding to the medicine.

Similarly, the angulardisplacement driving part 21B can be changed to a contact transmission section with frictional resistance, and a specific length is set according to the information of the medicine filled in the syringe 1, and the drivenwheel 32B of theelectronic reading module 30B is changed to a friction wheel or the like capable of being driven by the angular displacement driving part in a friction manner, that is, the gear transmission structure is replaced by a friction transmission structure, so that the same function as the above can be achieved.

Furthermore, the medicineinformation providing part 20B provides angular displacement analog information, when theelectronic identification module 30B is an angular displacement analog module, the medicineinformation providing part 20B has a conductive coating or a conductive sticker formed on a specific section of the outer peripheral surface of the connectingpart 11A of theneedle tube bush 10B, theelectronic identification module 30B is installed in thecasing 41B of theinjection propulsion mechanism 40B, theelectronic identification module 30B includes an angulardisplacement detecting element 31B, the angulardisplacement detecting element 31B has a coil and is electrically connected to thecontrol circuit board 45B of thecontrol component 44B, the angulardisplacement detecting element 31B detects the magnetic flux change according to the distance change of the conductive coating or the conductive sticker caused by the rotational displacement, and outputs a corresponding magnetic flux signal (not shown) to thecontrol circuit board 45C.

In the preferred embodiment shown in fig. 15 to 19, the medicineinformation providing part 20C is used for providing photoelectric coded digital information, and when theelectronic reading module 30C is a photoelectric coding module, the medicineinformation providing part 20C has alight sensing section 21C with a specific light transmission area set according to the medicine information filled in the injection needle cannula 1, wherein when theneedle cannula 10C is made of a completely opaque material, the medicineinformation providing part 20C is formed at a partial opening of a predetermined sensing area of the connectingpart 11C of theneedle cannula 10C, the partial opening is formed with a size of an opening area or a light shielding pattern according to different medicine information to provide thelight sensing section 21C with a specific light transmission area, or the connectingpart 11C of theneedle cannula 10C is formed with a full opening, the medicineinformation providing part 20C is disposed on a light shielding layer of a light shielding coating with a specific pattern of the predetermined sensing area, to provide thephotosensitive section 21C with a specific light-transmitting area.

As shown in fig. 15 to 19, theelectronic interpretation module 30C is installed in thecasing 41C of theinjection pushing mechanism 40C, when the connectingportion 11C of thesyringe liner 10C is assembled in thecasing 41C of theinjection pushing mechanism 40C, the position of theelectronic interpretation module 30C corresponds to the medicineinformation providing portion 20C, theelectronic interpretation module 30C includes alight emitting source 31C and alight detecting element 32C, thelight emitting source 31C and thelight detecting element 32C can be located at two opposite sides of thelight sensing section 21C (i.e. two inner and outer sides of the connectingportion 11C of thesyringe liner 10C and corresponding to the position of thelight sensing section 21C), thelight emitting source 31C and thelight detecting element 32C are both electrically connected to thecontrol circuit board 45C, thelight detecting element 32C can sense the amount of light emitted from thelight emitting source 31C passing through thelight sensing section 21C and output corresponding voltage signals to thecontrol circuit board 45C, the microprocessor of thecontrol circuit board 45C determines the type of the medication and determines to perform a particular injection advancement corresponding to the medication.

In addition, the medicine information providing part may be a one-dimensional bar code or a two-dimensional bar code set according to the medicine information loaded in the injection needle tube. Preferably, the two-dimensional barcode may be a Quick Response matrix Code (QR Code), the electronic interpretation module is installed in the housing of the injection propulsion mechanism and includes a light source and an image scanning element, and both the light source and the image scanning element are electrically connected to the control circuit board. The aforementioned one-dimensional bar code or two-dimensional bar code, light source, and image scanning element for scanning the bar code are all conventional products, and the specific structure thereof is not described herein again.

When the connecting part of the needle tube bush is arranged on the shell of the injection propulsion mechanism, the position of the electronic interpretation module corresponds to the medicine information providing part, the medicine information providing part is illuminated by the luminous source, the image scanning element scans the one-dimensional bar code or the two-dimensional bar code of the medicine information providing part, and the microprocessor of the control circuit board judges the type of the medicine according to the information generated by scanning the one-dimensional bar code or the two-dimensional bar code provided by the medicine information providing part and determines to execute a certain specific injection propulsion action corresponding to the medicine.

As can be seen from the foregoing description, the present invention provides a common injection device, which comprises a needle tube liner, a drug information providing part disposed on the needle tube liner, and an injection pushing mechanism detachably connected to the needle tube liner, wherein the needle tube liner having the drug information providing part is pre-installed on an injection needle tube having a drug, the drug information providing part provides interpretable drug information corresponding to the drug, so that a user can confirm the correctness of the drug through the interpretable drug information providing part, then connect the needle tube liner with the injection pushing mechanism, and perform an injection operation according to the drug information, thereby ensuring the safety of the injection; on the other hand, the combined structure that the injection propulsion mechanism is detachably connected with the needle tube lining pre-arranged on the injection needle tube is utilized, so that the injection propulsion mechanism can be shared and reused, a specific or special injection device does not need to be manufactured according to the injection needle tubes provided with different medicines, the unnecessary waste is reduced, and the cost is reduced.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

Translated fromChinese

1.一种共用型注射装置，其用于组接装有药物的一注射针管，其特征在于，该共用型注射装置包括：1. A shared injection device for assembling an injection needle tube containing a drug, wherein the shared injection device comprises:一针管衬套，其能组设于该注射针管，该针管衬套包括一连接部；a needle tube bushing, which can be assembled on the injection needle tube, the needle tube bushing includes a connecting part;一药物资讯提供部，其设于该针管衬套，且能提供对应该药物的能够被判读的资讯；以及a drug information supply unit, which is provided in the needle hub and can provide interpretable information corresponding to the drug; and一注射推进机构，其可拆组地连接该针管衬套的连接部，且能对该注射针管提供注射药物的推进力量。An injection propulsion mechanism, which is detachably connected to the connecting part of the needle tube bushing, and can provide the injection needle tube with a propulsive force for injecting medicine.2.根据权利要求1所述的共用型注射装置，其特征在于，该药物资讯提供部形成于该针管衬套外表面且能被目视判读的药物资讯。2 . The shared injection device according to claim 1 , wherein the drug information providing portion is formed on the outer surface of the needle hub and can be visually interpreted. 3 .3.根据权利要求2所述的共用型注射装置，其特征在于，该注射推进机构为手动式注射推进机构，其包括一壳体以及一螺旋推进杆组，该壳体能拆组地连接该针管衬套的连接部，该螺旋推进杆组组设于该壳体中，该螺旋推进杆组能通过该针管衬套伸入该注射针管中提供推力。3 . The shared injection device according to claim 2 , wherein the injection advancing mechanism is a manual injection advancing mechanism, which comprises a housing and a screw advancing rod set, and the housing is detachably connected to the needle tube. 4 . The connecting part of the bush, the screw push rod group is assembled in the housing, and the screw push rod group can extend into the injection needle tube through the needle tube bush to provide thrust.4.根据权利要求2所述的共用型注射装置，其特征在于，该注射推进机构为电动式注射推进机构，该注射推进机构包括：4. The shared injection device according to claim 2, wherein the injection propelling mechanism is an electric injection propelling mechanism, and the injection propelling mechanism comprises:一机壳，其前端能拆组地连接该针管衬套的连接部；a casing, the front end of which can be detachably connected to the connecting part of the needle tube bush;一螺旋推进杆组，其装设于该机壳内，且能被驱动伸出该机壳的前端及伸入注射针管内部提供推力；a screw rod set, which is installed in the casing and can be driven to extend out of the front end of the casing and into the inside of the injection needle to provide thrust;一电动马达，其装设于该机壳内，且连接该螺旋推进杆组；以及an electric motor installed in the casing and connected to the screw rod assembly; and一控制组件，其装设于该机壳内，且包括一具有微处理器的控制电路板以及一开关元件，该控制电路板电性连接该电动马达，且能决定该电动马达的动作模式，用以执行注射推进行程，该开关元件显露于该机壳外，且能控制该控制电路板的开关。a control assembly, which is installed in the casing and includes a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected to the electric motor and can determine the operation mode of the electric motor, The switch element is exposed outside the casing and can control the switch of the control circuit board for executing the injection advancing stroke.5.根据权利要求1所述的共用型注射装置，其特征在于，该药物资讯提供部设置于该针管衬套中且能电子判读的药物资讯，并结合装设于该注射推进机构中的一电子判读模块。5 . The shared injection device according to claim 1 , wherein the drug information providing part is disposed in the needle hub and can electronically interpret the drug information, and is combined with a device installed in the injection advancing mechanism. 6 . Electronic Interpretation Module.6.根据权利要求5所述的共用型注射装置，其特征在于，该注射推进机构为电动式注射推进机构，该注射推进机构包括：6. The shared injection device according to claim 5, wherein the injection propelling mechanism is an electric injection propelling mechanism, and the injection propelling mechanism comprises:一机壳，其前端能拆组地旋转连接该针管衬套的连接部；a casing, the front end of which can be disassembled and rotatably connected to the connecting part of the needle tube bush;一螺旋推进杆组，其装设于该机壳内，且能被驱动伸出该机壳的前端及伸入注射针管内部提供推力；a screw rod set, which is installed in the casing and can be driven to extend out of the front end of the casing and into the inside of the injection needle to provide thrust;一电动马达，其装设于该机壳内，且连接该螺旋推进杆组；以及an electric motor installed in the casing and connected to the screw rod assembly; and一控制组件，其装设于该机壳内，且包括一具有微处理器的控制电路板以及一开关元件，该控制电路板电性连接该电动马达，且能决定该电动马达的动作模式，用以执行注射推进行程，该开关元件显露于该机壳外，且能控制该控制电路板的开关；a control assembly, which is installed in the casing and includes a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected to the electric motor and can determine the operation mode of the electric motor, For executing the injection advancing stroke, the switch element is exposed outside the casing and can control the switch of the control circuit board;该药物资讯提供部为角位移类比模块，该药物资讯提供部具有形成于该针管衬套的连接部外周面的一角位移驱动部，并能随着该针管衬套的连接部组接于该注射推进机构的机壳中及旋转，该角位移驱动部依据注射针管装填的药物资讯而设定其特定旋转角度的接触传动区段，该电子判读模块装设于该注射推进机构的机壳中，该电子判读模块包括一从动轮以及一角位移检测元件，该从动轮能被该角位移驱动部带动旋转而产生特定角度的角位移，该角位移检测元件连接该从动轮且电性连接该控制组件的控制电路板，该角位移检测元件依据该从动轮被驱动旋转的角位移量而对该控制电路板输出相对应的角位移类比资讯，该控制电路板的微处理器能读取该角位移类比资讯，而判断该药物的种类，以及决定执行相对应该药物的特定注射推进动作。The drug information providing part is an angular displacement analog module, the drug information providing part has an angular displacement driving part formed on the outer peripheral surface of the connecting part of the needle hub, and can be assembled with the injection part along with the connecting part of the needle hub The housing of the propulsion mechanism rotates in and out, the angular displacement driving part sets a contact transmission section with a specific rotation angle according to the information of the medicine filled in the injection needle, the electronic interpretation module is installed in the housing of the injection propulsion mechanism, The electronic interpretation module includes a driven wheel and an angular displacement detection element. The driven wheel can be rotated by the angular displacement driving part to generate an angular displacement of a specific angle. The angular displacement detection element is connected to the driven wheel and is electrically connected to the control assembly. The control circuit board, the angular displacement detection element outputs corresponding angular displacement analog information to the control circuit board according to the angular displacement of the driven wheel being driven to rotate, and the microprocessor of the control circuit board can read the angular displacement The analog information is used to determine the type of the drug, and to decide to perform a specific injection propelling action corresponding to the drug.7.根据权利要求6所述的共用型注射装置，其特征在于，该角位移驱动部为具有至少一个转角限位齿的构造，且该角位移驱动部依据注射针管装填的药物资讯而设定转角限位齿的齿数；该电子判读模块的从动轮为能与该转角限位齿相匹配的齿轮，该角位移检测元件为电位器或可变电阻器，且电性连接该控制组件的控制电路板，通过所述转角限位齿提供特定旋转角度范围作为接触传动区段，位于该角位移驱动部外围的区域为非接触传动区段，该角位移检测元件依据该从动轮被驱动旋转的角位移量而对该控制电路板输出相对应的电压信号。7 . The shared injection device according to claim 6 , wherein the angular displacement driving part has a structure with at least one corner limiting tooth, and the angular displacement driving part is set according to the information of the medicine filled in the injection needle. 8 . The number of teeth of the corner limit teeth; the driven wheel of the electronic interpretation module is a gear that can match the corner limit teeth, the angular displacement detection element is a potentiometer or a variable resistor, and is electrically connected to the control of the control assembly The circuit board provides a specific rotation angle range as a contact transmission section through the corner limit teeth, the area located on the periphery of the angular displacement driving part is a non-contact transmission section, and the angular displacement detection element is driven to rotate according to the driven wheel. The corresponding voltage signal is output to the control circuit board according to the angular displacement.8.根据权利要求6所述的共用型注射装置，其特征在于，该角位移驱动部为具有摩擦阻力的接触传动区段，并依据该注射针管内的药物资讯而设定特定长度；该电子判读模块的从动轮是能为该角位移驱动部摩擦驱动的摩擦轮，该角位移检测元件为电位器或可变电阻器，且电性连接该控制组件的控制电路板，该角位移检测元件依据该从动轮被驱动旋转的角位移量而对该控制电路板输出相对应的电压信号。8 . The shared injection device according to claim 6 , wherein the angular displacement driving part is a contact transmission section with frictional resistance, and a specific length is set according to drug information in the injection needle; the electronic The driven wheel of the interpretation module is a friction wheel that can be frictionally driven for the angular displacement driving part. The angular displacement detection element is a potentiometer or a variable resistor, and is electrically connected to the control circuit board of the control assembly. The angular displacement detection element A corresponding voltage signal is output to the control circuit board according to the angular displacement of the driven wheel being driven to rotate.9.根据权利要求5所述的共用型注射装置，其特征在于，该注射推进机构为电动式注射推进机构，该注射推进机构包括：9 . The shared injection device according to claim 5 , wherein the injection propelling mechanism is an electric injection propelling mechanism, and the injection propelling mechanism comprises: 10 .一机壳，其前端能拆组地连接该针管衬套的连接部；a casing, the front end of which can be detachably connected to the connecting part of the needle tube bush;一螺旋推进杆组，其装设于该机壳内，且能被驱动伸出该机壳的前端及伸入注射针管内部提供推力；a screw rod set, which is installed in the casing and can be driven to extend out of the front end of the casing and into the inside of the injection needle to provide thrust;一电动马达，其装设于该机壳内，且连接该螺旋推进杆组；以及an electric motor installed in the casing and connected to the screw rod assembly; and一控制组件，其装设于该机壳内，且包括一具有微处理器的控制电路板以及一开关元件，该控制电路板电性连接该电动马达，且能决定该电动马达的动作模式，用以执行注射推进行程，该开关元件显露于该机壳外，且能控制该控制电路板的开关；a control assembly, which is installed in the casing and includes a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected to the electric motor and can determine the operation mode of the electric motor, For executing the injection advancing stroke, the switch element is exposed outside the casing and can control the switch of the control circuit board;该药物资讯提供部为角位移类比模块，该药物资讯提供部具有形成于该针管衬套的连接部外周面特定区段的导电涂层或导电贴纸，该电子判读模块包括一角位移检测元件，该角位移检测元件具有线圈且电性连接该控制组件的控制电路板，该角位移检测元件依据导电涂层或导电贴纸因旋转角位移造成距离的远近而检测其磁通变化，并对该控制电路板输出相对应的磁通信号，该控制电路板的微处理器能读取该磁通信号，而判断该药物的种类，以及决定执行相对应该药物的特定注射推进动作。The drug information providing part is an angular displacement analogy module, the drug information providing part has a conductive coating or a conductive sticker formed on a specific section of the outer peripheral surface of the connecting part of the needle hub, the electronic interpretation module includes an angular displacement detecting element, the The angular displacement detection element has a coil and is electrically connected to the control circuit board of the control assembly. The angular displacement detection element detects the change of its magnetic flux according to the distance of the conductive coating or the conductive sticker caused by the rotational angular displacement, and sends the control circuit to the control circuit. The board outputs a corresponding magnetic flux signal, and the microprocessor of the control circuit board can read the magnetic flux signal to judge the type of the drug, and decide to execute a specific injection propelling action corresponding to the drug.10.根据权利要求5所述的共用型注射装置，其特征在于，该注射推进机构为电动式注射推进机构，该注射推进机构包括：10 . The shared injection device according to claim 5 , wherein the injection propelling mechanism is an electric injection propelling mechanism, and the injection propelling mechanism comprises: 10 .一机壳，其前端能拆组地连接该针管衬套的连接部；a casing, the front end of which can be detachably connected to the connecting part of the needle tube bush;一螺旋推进杆组，其装设于该机壳内，且能被驱动伸出该机壳的前端及伸入注射针管内部提供推力；a screw rod set, which is installed in the casing and can be driven to extend out of the front end of the casing and into the inside of the injection needle to provide thrust;一电动马达，其装设于该机壳内，且连接该螺旋推进杆组；以及an electric motor installed in the casing and connected to the screw rod assembly; and一控制组件，其装设于该机壳内，且包括一具有微处理器的控制电路板以及一开关元件，该控制电路板电性连接该电动马达，且能决定该电动马达的动作模式，用以执行注射推进行程，该开关元件显露于该机壳外，且能控制该控制电路板的开关；a control assembly, which is installed in the casing and includes a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected to the electric motor and can determine the operation mode of the electric motor, For executing the injection advancing stroke, the switch element is exposed outside the casing and can control the switch of the control circuit board;该药物资讯提供部能提供光电编码数位资讯，且具有依据该注射针管内的药物资讯而设定其特定透光面积的光感应区段；该电子判读模块为光电编码模块，并装设于该注射推进机构的机壳中，该电子判读模块包括一发光源以及一光检测元件，该发光源与该光检测元件能位于该光感应区段的相对两侧，且皆电性连接该控制组件的控制电路板，并依据通过该光感应区段的透光量而对该控制电路板输出相对应的电压信号，该控制电路板的微处理器能依据该电压信号判断该药物的种类，以及决定执行相对应该药物的特定注射推进动作。The drug information providing part can provide photoelectric coded digital information, and has a light sensing section whose specific light transmission area is set according to the drug information in the injection needle; the electronic interpretation module is a photoelectric coding module and is installed in the In the casing of the injection-propulsion mechanism, the electronic reading module includes a light-emitting source and a light-detecting element, the light-emitting source and the light-detecting element can be located on opposite sides of the light-sensing section, and are both electrically connected to the control assembly the control circuit board, and output a corresponding voltage signal to the control circuit board according to the amount of light passing through the light sensing section, the microprocessor of the control circuit board can judge the type of the drug according to the voltage signal, and Decide to perform a specific injection advancement action relative to the drug.11.根据权利要求5所述的共用型注射装置，其特征在于，该注射推进机构为电动式注射推进机构，该注射推进机构包括：11. The shared injection device according to claim 5, wherein the injection propelling mechanism is an electric injection propelling mechanism, and the injection propelling mechanism comprises:一机壳，其前端能拆组地连接该针管衬套的连接部；a casing, the front end of which can be detachably connected to the connecting part of the needle tube bush;一螺旋推进杆组，其装设于该机壳内，且能被驱动伸出该机壳的前端及伸入注射针管内部提供推力；a screw rod set, which is installed in the casing and can be driven to extend out of the front end of the casing and into the inside of the injection needle to provide thrust;一电动马达，其装设于该机壳内，且连接该螺旋推进杆组；以及an electric motor installed in the casing and connected to the screw rod assembly; and一控制组件，其装设于该机壳内，且包括一具有微处理器的控制电路板以及一开关元件，该控制电路板电性连接该电动马达，且能决定该电动马达的动作模式，用以执行注射推进行程，该开关元件显露于该机壳外，且能控制该控制电路板的开关；a control assembly, which is installed in the casing and includes a control circuit board with a microprocessor and a switch element, the control circuit board is electrically connected to the electric motor and can determine the operation mode of the electric motor, For executing the injection advancing stroke, the switch element is exposed outside the casing and can control the switch of the control circuit board;该药物资讯提供部具有依据该注射针管内的药物资讯而设定的一维条码或二维条码，该电子判读模块装设于该注射推进机构的机壳中，该电子判读模块包括一发光源以及一影像扫描元件，发光源与影像扫描元件皆电性连接控制电路板，藉以通过该发光源对该药物资讯提供部照光，该影像扫描元件扫描该药物资讯提供部的一维条码或二维条码，并由该控制电路板的微处理器依据扫描该药物资讯提供部提供的一维条码或二维条码产生的资讯而判断该药物的种类，以及决定执行相对应该药物的某个特定注射推进动作。The drug information providing part has a one-dimensional bar code or a two-dimensional bar code set according to the drug information in the injection needle, the electronic interpretation module is installed in the casing of the injection propulsion mechanism, and the electronic interpretation module includes a light source and an image scanning element, the light-emitting source and the image scanning element are both electrically connected to the control circuit board, so as to illuminate the drug information providing part through the light-emitting source, and the image scanning element scans the one-dimensional barcode or two-dimensional bar code of the drug information providing part bar code, and the microprocessor of the control circuit board judges the type of the drug according to the information generated by scanning the one-dimensional bar code or two-dimensional bar code provided by the drug information supply unit, and decides to execute a specific injection corresponding to the drug. action.12.根据权利要求4、6、7、8、9、10或11所述的共用型注射装置，其特征在于，该控制组件还包括一显示荧幕与一具有控制杆的控制模块，该显示荧幕及该控制模块装设于该机壳中，且皆电性连接控制电路板，该控制杆与该显示荧幕皆显露于该机壳外。12. The shared injection device according to claim 4, 6, 7, 8, 9, 10 or 11, wherein the control assembly further comprises a display screen and a control module with a control lever, the display The screen and the control module are installed in the casing and are electrically connected to the control circuit board, and the control rod and the display screen are both exposed outside the casing.

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