CN102716035B - Short-course preassembling type dosing instrument - Google Patents

Abstract

The invention discloses a short-course preassembling type dosing instrument which comprises a medicine mixing clamp body, dosing double needles, a guiding sleeve I, a rotating sleeve and a guiding part, wherein the guiding sleeve I is arranged between the medicine mixing clamp body and the rotary sleeve, one end of the rotary sleeve is in sealing connection with the top end of the medicine mixing clamp body, the guiding sleeve I and the rotating shelve form axial fixing matching, and the guiding part is arranged in the guiding sleeve I and driven to move axially along the guiding sleeve I by the rotating sleeve. When the short-course preassembling dosing instrument is used, a medicine container and the dosing double needles are in a sealing state by means of a membrane and the rotating sleeve in an interface, and thorough sterility in transportation and storage can be achieved. The guiding part is driven to move rapidly downwards and push the medicine container by rotating the rotating sleeve, upper needle points of the dosing double needles puncture a sealing plug on the medicine container, and the lower needle points of the dosing double needles puncture the membrane in the interface, so that the medicine container is instantly communicated with a transfusion container, and therefore, sterile sealing in the whole processes of transportation, storage, butt jointing, medicine mixing and transfusion is achieved.

Description

Short process prepackage type medicine adding instrument

Technical field

The present invention relates to a kind of medical apparatus and instruments, the medicine adding instrument using while relating in particular to a kind of mixed medicine.

Background technology

For the medicine in medicament reservoir being added in the solution in infusion vessel (being transfusion flexible bag or soft transfusion bottle), then mixed solution is inputted such as the patient in the Clinical Institutions of hospital.In prior art, often adopt medicine adding instrument that medicament reservoir is connected with transfusion flexible bag or soft transfusion bottle.

Medicine adding instrument of the prior art mainly comprises mixed medicine card and dosing crosspointer, mixed medicine card forms cup-like structure, dosing crosspointer is stuck in mixed medicine card by crosspointer supporting seat, for mixed medicine passage is sealed, on the bottom interior wall cross section of mixed medicine card, be provided with barrier film, top in mixed medicine card is provided with diaphragm seal, and a needle point of dosing crosspointer is corresponding with barrier film, and another needle point of dosing crosspointer is corresponding with the diaphragm seal of top.When use, this mixed medicine card is docked with the interface of transfusion flexible bag or soft transfusion bottle, tear the diaphragm seal on mixed medicine card top, again medicament reservoir is snapped in mixed medicine card, when medicament reservoir snaps in, also promoting dosing crosspointer moves down, the upper needle point of dosing crosspointer pierces through the sealing-plug on medicament reservoir, the broken barrier film of the lower acupuncture of dosing crosspointer and pierce through transfusion flexible bag or soft transfusion bottle on interface on sealing-plug, extruding transfusion flexible bag or soft transfusion bottle just can be realized mixed medicine.

Adopt the medicine adding instrument of said structure, in mixed medicine process main exist following not enough: in medicament reservoir snaps in mixed medicine card time, the diaphragm seal on must the mixed medicine card of tear initiation top, and mix medicine card while snapping in and can contact with the external world, and then pollute.And all closed medicine adding instruments that occur in prior art all can only be realized airtight in mixed medicine process, and " overall process is sterile closed " when can not realizing the docking of cillin bottle and medicine adding instrument, mixed medicine and infusing.

Summary of the invention

For above shortcomings in prior art, the invention provides a kind of can under integral asepsis state, dock, mix medicine and the airtight short process prepackage type medicine adding instrument of transfusion overall process.

In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:

Short process prepackage type medicine adding instrument, comprises mixed medicine card, dosing crosspointer, fairlead I, rotary sleeve and guiding parts; Described dosing crosspointer is located in mixed medicine card, and described fairlead I is arranged between mixed medicine card and rotary sleeve, and one end of described rotary sleeve is connected with the end sealing of mixed medicine card, and described fairlead I forms axial restraint with rotary sleeve and coordinates; Described guiding parts is located in fairlead I and by rotary sleeve and drives and move axially along fairlead I, and described guiding parts is flat board, grab bucket or guide cylinder; The opening of described grab bucket is corresponding with dosing crosspointer; One end of described guide cylinder is uncovered, and the opening end of guide cylinder is corresponding with dosing crosspointer, and the inner chamber of guide cylinder is medicament reservoir containing cavity.

As a preferred embodiment of the present invention, on the sidewall of described fairlead I, be provided with vertically gathering sill, a segment distance is extended in the opposite direction at the two ends of described gathering sill on the circumference of fairlead I, the direction that extend on the circumference of fairlead I the bottom of described gathering sill with promote time rotary sleeve direction of rotation consistent.

As another kind of preferred version of the present invention, this short process prepackage type medicine adding instrument also comprises fairlead II, and the inwall of described fairlead II arranges guiding helicla flute; The outer wall of described guiding parts both sides is provided with guide pad, and described fairlead I is positioned at fairlead II, and described guide pad passes gathering sill and puts in guiding helicla flute.

As another preferred version of the present invention, this short process prepackage type medicine adding instrument also comprises fairlead II, and the inwall of described fairlead II arranges guiding helicla flute; The outer wall of described guiding parts both sides is provided with guide pad, and described fairlead II is positioned at fairlead I, and described guide pad passes guiding helicla flute and puts in gathering sill.

As a modification of the present invention scheme, dock with the end sealing of mixed medicine card one end of described fairlead II; Described fairlead I and rotary sleeve are one-body molded, and described rotary sleeve and fairlead II form axial restraint, radially rotatably coordinate, and rotary sleeve and fairlead II are sealed and matched.

As another kind of improvement project of the present invention, dock with the end sealing of mixed medicine card one end of described fairlead I; Described fairlead II and rotary sleeve are one-body molded, and described rotary sleeve and fairlead I form axial restraint, radially rotatably coordinate, and rotary sleeve and fairlead I are sealed and matched.

As another improvement project of the present invention, the other end of described rotary sleeve is blind end.

Scheme as a further improvement on the present invention, the outer wall of described rotary sleeve is along being circumferentially with pressure ring, and described pressure ring is pressed on the other end of fairlead II and is sealed and matched with it.

Scheme as a further improvement on the present invention, the bottom of described mixed medicine card is provided with the clip assembly for the interface of infusion vessel is connected with interface link.

As further improvement project more of the present invention, on the inwall of described mixed medicine card, be symmetrically arranged with at least two and be skid-prevention button barb-like and for preventing that medicament reservoir is loosening.

The invention has the beneficial effects as follows: while using this short process prepackage type medicine adding instrument, first the bottom of mixed medicine card is docked with the interface on transfusion flexible bag or soft transfusion bottle, medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, then fairlead II is docked with the top seal of mixed medicine card.Rotary sleeve by the sealing of the barrier film in interface and one end makes medicament reservoir and dosing crosspointer in sealing state, therefore, can reach transport and store absolute aseptic.When mixed medicine, rotating rotary sleeve drives guiding parts to move down rapidly along the guiding helicla flute of fairlead II inwall, and then medicament reservoir in drive guiding parts below or guiding parts moves down, medicament reservoir presses on dosing crosspointer and drives dosing crosspointer to move down, the upper needle point of dosing crosspointer pierces through the sealing-plug on medicament reservoir, the lower needle point of dosing crosspointer punctures the barrier film in interface, medicament reservoir was communicated with moment in transfusion flexible bag or soft transfusion bottle, whole process is all in aseptic docking, therefore, this short process prepackage type medicine adding instrument can be realized transport, store, docking, the overall process of mixed medicine and transfusion is sterile closed.Medicament reservoir is pre-loaded in the below or guiding parts of guiding parts, when mixed medicine, has greatly shortened guiding parts and medicament reservoir and moved down distance (realizing the mixed medicine of short process).

Brief description of the drawings

Fig. 1 is the structural representation of short process prepackage type medicine adding instrument;

Fig. 2 is the cross-sectional view of mixed medicine card;

Fig. 3 is the cross-sectional view of fairlead I;

Fig. 4 is the front view of rotary sleeve;

Fig. 5 is the cross section view along A-A direction in Fig. 4;

Fig. 6 is the cross-sectional view of guide cylinder;

Fig. 7 is rotary sleeve and the integrated front view of fairlead II;

Fig. 8 is the cross section view along B-B direction in Fig. 7;

Fig. 9 is the cross-sectional view of fairlead I in embodiment bis-;

Figure 10 is that short process prepackage type medicine adding instrument is connected to the structural representation on infusion vessel and before using;

Figure 11 is that short process prepackage type medicine adding instrument is connected to the structural representation on infusion vessel and after using.

In accompanying drawing: 1-mixed medicine card; 2-dosing crosspointer; 3-fairlead I; 4-rotary sleeve; 5-guide cylinder; 6-fairlead II; 7-guiding helicla flute; 8-gathering sill; 9-guide pad; 10-pressure ring; 11-sealing ring; 12-annular rubber cushion; 13-suspension ring; 14-infusion vessel; 15-crosspointer supporting seat; 16-skid-prevention button; 17-medicament reservoir; 18-annular snap; 19-annular groove; 20-annular slot; 22-interface; 23-barrier film; 24-clip assembly.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.

As shown in Figure 1, short process prepackage type medicine adding instrument comprisesmixed medicine card 1,dosing crosspointer 2, fairleadI 3,rotary sleeve 4 and guidingparts.Dosing crosspointer 2 is located inmixed medicine card 1, and fairleadI 3 is arranged betweenmixed medicine card 1 androtary sleeve 4, and one end ofrotary sleeve 4 is connected with the end sealing ofmixed medicine card 1, and fairlead I 3 forms axial restraint withrotary sleeve 4 and coordinates.Guiding parts is located infairlead I 3 and is driven along fairlead I 3 and moved axially byrotary sleeve 4, and guiding parts is flat board, grab bucket or guide cylinder 5.When guiding parts adopts flat board, onlymedicament reservoir 17 directly need be placed on to dull and stereotyped below, the guide pad arranging by dull and stereotyped both sides is realized downward guiding movement, and flat board contacts withmedicament reservoir 17 and can directly promotemedicament reservoir 17 and moves down.When guiding parts adopts grab bucket, Open Side Down and corresponding withdosing crosspointer 2 in grab bucket, while using this medicine adding instrument,medicament reservoir 17 need be placed in grab bucket in advance, grab bucket ismedicament reservoir 17 promptly, realize downward guiding movement by the guide pad arranging on the outer wall of grab bucket both sides, grab bucket can directly promotemedicament reservoir 17 and move down.In the present embodiment, guiding parts adoptsguide cylinder 5, one end ofguide cylinder 5 is uncovered, the opening end ofguide cylinder 5 is corresponding withdosing crosspointer 2, the inner chamber ofguide cylinder 5 is medicament reservoir containing cavity, while using this medicine adding instrument,medicament reservoir 17 need be placed inguide cylinder 5 in advance, and the inwall ofguide cylinder 5 is in use double swerve oflimit drug container 17 effectively, can directly promote movingmedicament reservoir 17 move down by guide cylinder 5.On the sidewall offairlead I 3, be provided with vertically gatheringsill 8, a segment distance is extended in the opposite direction at the two ends of gatheringsill 8 on the circumference offairlead I 3, the direction that extend on the circumference ofrotary sleeve 4 bottom of gatheringsill 8 with promote timerotary sleeve 4 direction of rotation consistent.

The structure of short process prepackage type medicine adding instrument in embodiment mono-, refers to Fig. 1 to Fig. 6:

In the building block of short process prepackage type medicine adding instrument, the structure of mixed medicine card as shown in Figure 2, on the inwall ofmixed medicine card 1 and near bottom,annular rubber cushion 12 is set, thedosing crosspointer 2 of dosing crosspointer 2(the present embodiment adopts cross needle, be that the upper pin ofdosing crosspointer 2, lower pin andcrosspointer supporting seat 15 are one-body molded) be located inmixed medicine card 1, the lower needle point ofdosing crosspointer 2 passesannular rubber cushion 12 and is stuck onannular rubber cushion 12, and thecrosspointer supporting seat 15 ofdosing crosspointer 2 is positioned at the top of annular rubber cushion 12.On the inwall ofmixed medicine card 1, be symmetrically arranged with at least two and be skid-prevention button 16(the present embodiment barb-like and for preventing that medicament reservoir is loosening, on the inwall ofmixed medicine card 1, be symmetrically arranged with four skid-prevention buttons),medicament reservoir 17 pack intoguide cylinder 5 interior after, in the time thatmedicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in figure 11), the bottle cap ofmedicament reservoir 17 is stuck in the below of skid-prevention button 16, this skid-prevention button 16 can stopmedicament reservoir 17 to retreat effectively, ensures that mixed medicine carries out smoothly.

This short process prepackage type medicine adding instrument also comprises fairlead II 6, the structure of fairlead II 6 as shown in Figure 3, (mode that can adopt seam) docked in the bottom of fairlead II 6 with the end sealing ofmixed medicine card 1, the inwall of fairlead II 6 arranges guidinghelicla flute 7, in the present embodiment, on the inwall of fairlead II 6, be symmetrical arranged two guiding helicla flutes 7.Edge, inwall top in fairlead II 6 is circumferentially withannular snap 18, is along the circumferential direction provided withannular groove 19 on the top end face of fairlead II 6.

The structure thatrotary sleeve 4 and fairleadI 3 coordinate as shown in Figure 4 and Figure 5, fairleadI 3 is positioned at the below ofrotary sleeve 4,rotary sleeve 4 is one-body molded withfairlead I 3, fairleadI 3 is positioned atfairlead II 6,rotary sleeve 4 forms axial restraint, radially rotatably coordinates with fairlead II 6, androtary sleeve 4 is sealed and matched with fairlead II 6, and the top ofrotary sleeve 4 is sealed end.In the present embodiment, be circumferentially withpressure ring 10 on the outer wall edge ofrotary sleeve 4, belowpressure ring 10, edge is circumferentially with annular slot 20.Afterrotary sleeve 4 is arranged in fairlead II 6,annular snap 18 is positioned atannular slot 20, andsealing ring 11 is installed inannular groove 19, andpressure ring 10 is pressed on the top of fairlead II 6 and is sealed and matched with it by sealing ring 11.In the time rotatingrotary sleeve 4,annular snap 18, in the interior rotation ofannular slot 20, because of the sealing function ofsealing ring 11, makesrotary sleeve 4 both rotatable in fairlead II 6, can realize again the outer wall ofrotary sleeve 4 and the top seal of fairlead II 6.On the sidewall of fairlead I 3, be provided with vertically in gathering sill 8(the present embodiment, on the sidewall of fairlead I 3, be arranged with twogathering sills 8 that arrange vertically).A segment distance is extended in the opposite direction at the two ends of gatheringsill 8 on the circumference ofrotary sleeve 4, forms thegathering sill 8 of " z " font, the direction that extend on the circumference offairlead I 3 bottom of gatheringsill 8 during with promotion the direction of rotation ofrotary sleeve 4 consistent.Beforemedicament reservoir 17 andinfusion vessel 14 mix medicine (as shown in figure 10),guide pad 9 onguide cylinder 5 is positioned at the groove of gatheringsill 8 top circumferencial directions, effectively stopedguide cylinder 5 along it axially from lower movement, thereby avoidedguide cylinder 5 to drivemedicament reservoir 17 to move down before mixed medicine; In the time thatmedicament reservoir 17 mixes medicine with infusion vessel 14 (as shown in figure 11),guide pad 9 onguide cylinder 5 is positioned at the groove of gatheringsill 8 bottom circumferencial directions, effectively stopedguide cylinder 5 along it axially from upper movement, thereby effectively stopmedicament reservoir 17 to retreat, further ensure that mixed medicine carries out smoothly.

The structure ofguide cylinder 5 is as Fig. 6, andguide cylinder 5 is located infairlead I 3, andguide cylinder 5 is coaxially set with fairlead I 3.The opening end ofguide cylinder 5 is downward and corresponding withdosing crosspointer 2, and the inner chamber ofguide cylinder 5 is medicament reservoir containing cavity.On the outer wall ofguide cylinder 5, be arranged with twoguide pads 9, one of themguide pad 9 passes a gatheringsill 8 and stretches in a guidinghelicla flute 7, and anotherguide pad 9 passes another gatheringsill 8 and stretches in another guidinghelicla flute 7.

The bottom ofmixed medicine card 1 is provided with theclip assembly 24 for the interface ofinfusion vessel 14 is connected with interface link 6.22, interface on bottom and theinfusion vessel 14 ofmixed medicine card 1 need just can be realized and being tightly connected by clip assembly 24.On the sealed end ofrotary sleeve 4, (being the top of rotary sleeve 4) is provided withsuspension ring 13, by thesesuspension ring 13 can by this medicine adding instrument and with infusion vessel 14(that medicine adding instrument connects as shown in figure 10) together be suspended on transfusion bracing frame used.

When this short process prepackage type medicine adding instrument and infusion vessel assembling (as shown in figure 10), first theinterface 22 on bottom and theinfusion vessel 14 ofmixed medicine card 1 is tightly connected byclip assembly 24; Againguide cylinder 5 is arranged in fairlead I 3, and thegathering sill 8 that theguide pad 9 onguide cylinder 5 is passed in fairlead I 3; Again that the guide pad on guide cylinder 59 is corresponding with the guidinghelicla flute 7 in fairlead II 6, afterrotary sleeve 4 is arranged in fairlead II 6,guide pad 9 stretches in guidinghelicla flute 7; Thenmedicament reservoir 17 is placed inguide cylinder 5, finally 6 seam of fairlead II is being mixed on the top ofmedicine card 1.

The structure of short process prepackage type medicine adding instrument in embodiment bis-, refers to Fig. 7 to Fig. 9:

Embodiment bis-is only with the difference of embodiment mono-: dock with the end sealing ofmixed medicine card 1 bottom offairlead I 3, and fairlead II 6 is positioned atfairlead I 3, and fairlead II 6 is one-body molded with rotary sleeve 4.Rotary sleeve 4 forms axial restraint, radially rotatably coordinates withfairlead I 3, androtary sleeve 4 is sealed and matched (in the present embodiment withfairlead I 3, edge, inwall top infairlead I 3 is circumferentially withannular snap 18, on the top end face offairlead I 3, be along the circumferential direction provided withannular groove 19, afterrotary sleeve 4 is arranged infairlead I 3,annular snap 18 is positioned atannular slot 20,sealing ring 11 is installed inannular groove 19, andpressure ring 10 is pressed on the top offairlead I 3 and is sealed and matched with it by sealingring 11).Theguide pad 9 of the outer wall setting ofguide cylinder 5 passes guidinghelicla flute 7 and inserts in gatheringsill 8.

When short process prepackage type medicine adding instrument in assembled embodiment two, first theinterface 22 on bottom and theinfusion vessel 14 ofmixed medicine card 1 is tightly connected by clip assembly 25; Againguide cylinder 5 is arranged in fairlead II 6, and the guidinghelicla flute 7 that theguide pad 9 onguide cylinder 5 is passed in fairlead II 6; Again that the guide pad on guide cylinder 59 is corresponding with thegathering sill 8 in fairlead I 3, afterrotary sleeve 4 is arranged in fairlead I 3,guide pad 9 stretches in gatheringsill 8; Thenmedicament reservoir 17 is placed inguide cylinder 5, finally 3 seam of fairlead I is being mixed on the top ofmedicine card 1.

For the matching relationship betweenmixed medicine card 1, fairlead I 3,rotary sleeve 4 and fairlead II 6, except adopting above-mentioned two kinds of embodiment, also can adopt following two kinds of respective outer side edges modes: the first is that fairlead I 3 is positioned at fairlead II 6, the bottom of fairlead I 3 is docked with the end sealing ofmixed medicine card 1, and fairlead II 6 is one-body molded with rotary sleeve 4.Rotary sleeve 4 forms axial restraint, radially rotatably coordinates withfairlead I 3, androtary sleeve 4 is sealed and matched with fairlead I 3.The second is that fairlead II 6 is positioned atfairlead I 3, the bottom of fairlead II 6 is docked with the end sealing ofmixed medicine card 1, fairleadI 3 is one-body molded withrotary sleeve 4,rotary sleeve 4 forms axial restraint, radially rotatably coordinates with fairlead II 6, androtary sleeve 4 is sealed and matched with fairlead II 6.

While using this short process prepackage type medicine adding instrument, first by the bottom ofmixed medicine card 1 andinterface 22 oninfusion vessel 14 byclip assembly 24 be tightly connected (also can adopt the mode of seam and realize and being tightly connected by the mode being threaded), in the present embodiment,infusion vessel 14 adopts transfusion flexible bag, as shown in figure 10,medicament reservoir 17 is pre-loaded inguide cylinder 5 under aseptic condition, makemedicament reservoir 17 and dosingcrosspointer 2 in sealing state by therotary sleeve 4 of thebarrier film 23 ininterface 22 and end sealing, therefore, can reach transport and store absolute aseptic.When mixed medicine, rotaterotary sleeve 4,rotary sleeve 4drives guide cylinder 5 to move down rapidly along the guidinghelicla flute 7 on fairlead II 6 inwalls, and then drive themedicament reservoir 17 inguide cylinder 5 to move down,medicament reservoir 17 presses ondosing crosspointer 2 and drivesdosing crosspointer 2 to move down, the upper needle point ofdosing crosspointer 2 pierces through the sealing-plug onmedicament reservoir 17, the lower needle point ofdosing crosspointer 2 punctures thebarrier film 23 ininterface 22,medicament reservoir 17 was communicated with moment in transfusion flexible bag, as shown in figure 11, whole process is all in aseptic docking, and whole process all drivesguide cylinder 5 to move down realization by rotating rotary sleeve 4.Andguide cylinder 5 moves down and need rotate and could realize by dependencerotary sleeve 4, so can prevent in transport and storingguide cylinder 5 force medication containers 17.Whenguide pad 9 onguide cylinder 5 moves down in the groove of gatheringsill 8 bottom circumferencial directions,medicament reservoir 17 is pushed to bottle cap and is positioned at the below of skid-prevention button 16, effectively stopsmedicament reservoir 17 to retreat, and ensures that mixed medicine carries out smoothly.Due to this short process prepackage type medicine adding instrument after be pre-loaded into medicament reservoir until infused, related medicament reservoir with the parts that directly contact with medicine all in aseptic condition, therefore, can realize medicine in transport, store, the overall process of docking, mixed medicine and transfusion is sterile closed.Medicament reservoir is pre-loaded inguide cylinder 5, when mixed medicine, has greatly shortened guide cylinder and medicament reservoir and moved down distance (realizing the mixed medicine of short process).

Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (7)

1. short process prepackage type medicine adding instrument, comprises mixed medicine card (1) and dosing crosspointer (2), and described dosing crosspointer (2) is located in mixed medicine card (1), it is characterized in that: also comprise fairlead I (3), rotary sleeve (4) and guiding parts; Described fairlead I (3) is arranged between mixed medicine card (1) and rotary sleeve (4), and one end of described rotary sleeve (4) is connected with the end sealing of mixed medicine card (1), and described fairlead I (3) forms axial restraint with rotary sleeve (4) and coordinates; Described guiding parts is located in fairlead I (3) and by rotary sleeve (4) and drives and move axially along fairlead I (3), and described guiding parts is flat board, grab bucket or guide cylinder (5);

The opening of described grab bucket is corresponding with dosing crosspointer (2);

One end of described guide cylinder (5) is uncovered, and the opening end of guide cylinder (5) is corresponding with dosing crosspointer (2), and the inner chamber of guide cylinder (5) is medicament reservoir containing cavity;

On the sidewall of described fairlead I (3), be provided with vertically gathering sill (8), a segment distance is extended in the opposite direction at the two ends of described gathering sill (8) on the circumference of fairlead I (3), the direction that extend on the circumference of fairlead I (3) bottom of described gathering sill (8) with promote time rotary sleeve (4) direction of rotation consistent;

Also comprise fairlead II (6), the inwall of described fairlead II (6) arranges guiding helicla flute (7), and the outer wall of described guiding parts both sides is provided with guide pad (9); Described fairlead I (3), fairlead II (6) and guiding parts combine as follows:

Described fairlead I (3) is positioned at fairlead II (6), and described guide pad (9) passes gathering sill (8) and puts in guiding helicla flute (7);

Or described fairlead II (6) is positioned at fairlead I (3), described guide pad (9) passes guiding helicla flute (7) and puts in gathering sill (8).

2. short process prepackage type medicine adding instrument according to claim 1, is characterized in that: dock with the end sealing of mixed medicine card (1) one end of described fairlead II (6); Described fairlead I (3) is one-body molded with rotary sleeve (4), and described rotary sleeve (4) forms axial restraint, radially rotatably coordinates with fairlead II (6), and rotary sleeve (4) is sealed and matched with fairlead II (6).

3. short process prepackage type medicine adding instrument according to claim 1, is characterized in that: dock with the end sealing of mixed medicine card (1) one end of described fairlead I (3); Described fairlead II (6) is one-body molded with rotary sleeve (4), and described rotary sleeve (4) forms axial restraint, radially rotatably coordinates with fairlead I (3), and rotary sleeve (4) is sealed and matched with fairlead I (3).

4. short process prepackage type medicine adding instrument according to claim 1, is characterized in that: the other end of described rotary sleeve (4) is blind end.

5. short process prepackage type medicine adding instrument according to claim 2, is characterized in that: the outer wall of described rotary sleeve (4) is along being circumferentially with pressure ring (10), and described pressure ring (10) is pressed on the other end of fairlead II (6) and is sealed and matched with it.

6. short process prepackage type medicine adding instrument according to claim 1, is characterized in that: the bottom of described mixed medicine card (1) is provided with the clip assembly (24) for the interface of infusion vessel (14) is connected with interface link (6).

7. short process prepackage type medicine adding instrument according to claim 6, is characterized in that: on the inwall of described mixed medicine card (1), be symmetrically arranged with at least two and be barb-like and for preventing the loosening skid-prevention button of medicament reservoir (16).

Images