CN214910730U - Feeding device - Google Patents

Abstract

The utility model provides a feeding device relates to medical instrument technical field, the utility model provides a feeding device includes that tee bend subassembly, infusion pipe, nutrient solution store and flush fluid store, and tee bend subassembly stores and communicates with infusion pipe, nutrient solution storage respectively and flush fluid storage, and tee bend subassembly is used for controlling nutrient solution storage and flush fluid storage alternative ground and infusion pipe intercommunication to make feeding device be in feeding state and washing state correspondingly. The utility model discloses a need manual mediation among the prior art by the obstructed technical problem of infusion pipeline of nutrient solution for infusion pipe mediation easy operation.

Description

Feeding device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a feeding device is related to.

Background

An enteral nutrition infusion device is a device for delivering nutrient substances into human intestinal tracts, and is generally a one-way pipeline, namely nutrient solution is communicated with an infusion pipeline through the one-way valve. When the device is used, the infusion pipeline of the device is often blocked, at the moment, the enteral nutrition infusion device needs to be disassembled, nutrient solution accumulated in the infusion pipeline is manually discharged, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feeding device to alleviate the technical problem who needs manual mediation to be blocked by nutrient solution's infusion pipeline among the correlation technique.

In order to solve the technical problem, the utility model discloses the technical means who takes does:

the utility model provides a pair of feeding device includes: the three-way assembly is respectively communicated with the infusion pipe, the nutrient solution storage piece and the flushing liquid storage piece;

the three-way assembly is used for controlling one of the nutrient solution storage part and the flushing liquid storage part to be communicated with the infusion tube so as to enable the feeding device to be in a feeding state and a flushing state correspondingly.

As a further technical scheme, the three-way component comprises a valve body and a valve core;

the valve body is provided with a first liquid inlet, a second liquid inlet and a liquid outlet, the first liquid inlet is communicated with the nutrient solution storage part through a pipeline, the second liquid inlet is communicated with the flushing liquid storage part through a pipeline, and the liquid outlet is connected with the infusion pipe;

the valve core is arranged in the valve body and is provided with a first position and a second position, when the valve core is positioned at the first position, the liquid outlet is singly communicated with the first liquid inlet, and when the valve core is positioned at the second position, the liquid outlet is singly communicated with the second liquid inlet.

As a further technical solution, the valve core is slidably connected with the valve body along an axial direction of the valve body, so that the valve core is switched between the first position and the second position.

As a further aspect, the feeding apparatus includes an enteral feeding pump, the tee assembly and the infusion tube are each connected to the enteral feeding pump, and the enteral feeding pump is drivingly connected to the valve cartridge for driving the valve cartridge to slide between the first position and the second position.

As a further aspect, the enteral feeding pump includes a first drive member, a second drive member, and a roller;

the first driving piece is in transmission connection with the valve core, the second driving piece is in transmission connection with the roller and used for driving the roller to rotate, and the roller is in rolling fit with the infusion tube.

As a further technical scheme, the valve core is provided with a guide groove, the first driving member comprises a motor, an eccentric shaft and a guide shaft, the motor is rotatably connected with the eccentric shaft, the guide shaft is mounted on the eccentric shaft and is in sliding fit with the guide groove, and the axis of the guide shaft is parallel to the axis of the eccentric shaft.

As a further technical scheme, the first driving piece adopts an air cylinder, and the driving end of the air cylinder is connected with the valve core.

As a further technical solution, the enteral feeding pump includes a control system electrically connected to the first driving member and the second driving member respectively, for controlling the start and stop of the first driving member and the second driving member to correspondingly control the type and flow of the liquid in the infusion tube.

As a further aspect, the enteral feeding pump includes a pressure sensor;

the pressure sensor is in signal connection with the control system and used for monitoring the pressure in the infusion pipe and sending pressure information in the infusion pipe to the control system, and the control system receives the information and issues start-stop commands to the first driving piece and the second driving piece.

As a further aspect, the enteral feeding pump includes a bubble sensor in signal communication with the control system for monitoring bubbles in the infusion line and sending this information to the control system;

when the bubble sensor monitors that bubbles exist in the infusion tube, the control system controls the second driving piece to be closed and sends prompt information to the outside.

Compared with the prior art, the utility model provides a pair of feeding device has the technical advantage to be:

the utility model provides a feeding device includes that tee bend subassembly, infusion pipe, nutrient solution store and flush fluid store the piece, and tee bend subassembly stores a piece and a flush fluid storage intercommunication with infusion pipe, nutrient solution respectively, and tee bend subassembly is arranged in controlling one of nutrient solution storage and flush fluid storage and two and the infusion pipe intercommunication to make feeding device be in correspondingly and feed the state and wash the state.

The utility model provides a feeding device has the advantage:

in this application, the infusion pipe is connected with nutrient solution simultaneously and stores the piece and flush fluid storage piece, through the state that changes feeding device, can realize the alternative infusion of nutrient solution and flush fluid. When the nutrient solution blockked up the infusion pipe, transfer feeding device to the washing state, flush fluid flow direction infusion pipe this moment begins to erode and dilute the nutrient solution to dredge the infusion pipe, solve the jam problem, avoided the infusion pipe to feeding device's split and manual mediation jam.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an enteral nutrition device for a feeding apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a tee assembly of a feeding apparatus according to an embodiment of the present invention;

fig. 3 is a first cross-sectional view of a tee assembly of a feeding apparatus according to an embodiment of the present invention;

fig. 4 is a second cross-sectional view of the tee assembly of the feeding apparatus provided by the embodiment of the present invention;

fig. 5 is a schematic structural view of a valve body of a feeding device according to an embodiment of the present invention;

fig. 6 is a sectional view of a valve body of a feeding device provided by the embodiment of the invention;

fig. 7 is a schematic structural view of a valve core of a feeding device provided by the embodiment of the present invention;

fig. 8 is a cross-sectional view of a valve core of a feeding device according to an embodiment of the present invention;

fig. 9 is a schematic view of an enteral feeding pump of a feeding apparatus according to an embodiment of the present invention;

fig. 10 is a schematic view of a feeding apparatus according to an embodiment of the present invention;

fig. 11 is a schematic view of an installation structure of a first driving member of a feeding device according to an embodiment of the present invention;

fig. 12 is a schematic view of an installation structure of a second driving member of a feeding device according to an embodiment of the present invention.

Icon:

100-a tee assembly; 110-a valve body; 111-a first liquid inlet; 112-a second liquid inlet; 113-a liquid outlet; 114-a containment chamber; 120-a valve core; 121 — a first via; 122-a second via; 123-a guide groove;

200-an infusion tube; 210-fixed block; 220-tower joint;

300-nutrient solution storage;

400-a rinse reservoir;

500-enteral feeding pump; 510-a first drive member; 511-motor; 512-an eccentric shaft; 513-a guide shaft; 520-a second driver; 530-a roller; 540-a pressure sensor; 550-a bubble sensor; 560-a housing; 570-operation interface; 580-door body;

600-fixing plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The feeding device provided by the embodiment comprises a three-way assembly 100, aninfusion tube 200, anutrient solution storage 300 and aflushing fluid storage 400, wherein the three-way assembly 100 is respectively communicated with theinfusion tube 200, thenutrient solution storage 300 and theflushing fluid storage 400, and the three-way assembly 100 is used for controlling one of thenutrient solution storage 300 and theflushing fluid storage 400 to be communicated with theinfusion tube 200 so as to enable the feeding device to be correspondingly in a feeding state and a flushing state.

Specifically, referring to fig. 1,nutrient solution storage 300 and flushingfluid storage 400 are used for storing nutrient solution and flushing fluid respectively, the flushing fluid generally adopts normal saline,nutrient solution storage 300 and flushingfluid storage 400 all can adopt stock solution bag or stock solution bottle, tee bend subassembly 100's upper end communicates withnutrient solution storage 300 and flushingfluid storage 400 respectively, the lower extreme communicates withinfusion pipe 200, the free end ofinfusion pipe 200 is equipped with turriform and connects 220, turriform connects 220 be used for with the patient on one's body feeding tube be connected. When theinfusion tube 200 is singly communicated with the nutrientsolution storage part 300, the feeding device is in a feeding state, and nutrient solution can be infused to a patient through theinfusion tube 200; when theinfusion tube 200 is in communication solely with theirrigant reservoir 400, the feeding apparatus is in an irrigation state in which the irrigant can flush and dilute the nutrient solution in theinfusion tube 200 or remove air bubbles from theinfusion tube 200.

In practical application, theinfusion tube 200 is connected with the nutrientsolution storage part 300 and the flushingfluid storage part 400 at the same time, and the state of the feeding device is changed through the three-way component 100, so that the alternate infusion of the nutrient solution and the flushing fluid can be realized. When the nutrient solution blocks upinfusion pipe 200, transfer feeding device to the state of washing, flush fluid flowdirection infusion pipe 200 this moment begins to erode and dilute the nutrient solution tomediation infusion pipe 200 solves the jam problem, has avoided the split of feeding device and manualmediation infusion pipe 200 who blocks up.

In the optional technical solution of this embodiment, the three-way component 100 includes avalve body 110 and avalve core 120, thevalve body 110 is provided with a firstliquid inlet 111, a secondliquid inlet 112 and aliquid outlet 113, the firstliquid inlet 111 is communicated with the nutrientsolution storage component 300 through a pipeline, the secondliquid inlet 112 is communicated with the flushingsolution storage component 400 through a pipeline, theliquid outlet 113 is connected with theinfusion tube 200, thevalve core 120 is disposed in thevalve body 110 and has a first position and a second position, when thevalve core 120 is at the first position, theliquid outlet 113 is separately communicated with the firstliquid inlet 111, and when thevalve core 120 is at the second position, theliquid outlet 113 is separately communicated with the secondliquid inlet 112.

In an alternative solution of this embodiment, thevalve core 120 is slidably connected to thevalve body 110 along the axial direction of thevalve body 110, so that thevalve core 120 is switched between the first position and the second position.

Specifically, as shown in fig. 2 to 8, thevalve body 110 includes anaccommodating cavity 114, thevalve core 120 is located in theaccommodating cavity 114, the firstliquid inlet 111 and the secondliquid inlet 112 are disposed on the same side of thevalve body 110, theliquid outlet 113 is disposed on a side of thevalve body 110 opposite to the firstliquid inlet 111 and the secondliquid inlet 112, and the firstliquid inlet 111, the secondliquid inlet 112 and theliquid outlet 113 are all communicated with theaccommodating cavity 114; thevalve core 120 is provided with a first throughhole 121 and a second throughhole 122 at intervals, and the axes of the first throughhole 121, the second throughhole 122, the firstliquid inlet 111, the secondliquid inlet 112 and theliquid outlet 113 are parallel to each other, when thevalve core 120 is at the first position, the firstliquid inlet 111, the first throughhole 121 and theliquid outlet 113 are communicated, and when thevalve core 120 is at the second position, the secondliquid inlet 112, the second throughhole 122 and theliquid outlet 113 are communicated.

Referring to fig. 3, at this time, thevalve core 120 is in the first position, thefirst inlet 111, the first throughhole 121 and theoutlet 113 are communicated, the nutrient solution can flow from the nutrientsolution storage member 300 to the patient through theinfusion tube 200, when theinfusion tube 200 is blocked, thevalve core 120 is slid leftwards to the second position, as shown in fig. 4, at this time, thesecond inlet 112, the second throughhole 122 and theoutlet 113 are communicated, and the flushing fluid flows to theinfusion tube 200, so that the blocking problem is solved.

In an alternative embodiment of the present embodiment, the feeding apparatus includes anenteral feeding pump 500, thetee assembly 100 and theinfusion tube 200 are each coupled to theenteral feeding pump 500, and theenteral feeding pump 500 is drivingly coupled to thevalve spool 120 for driving thevalve spool 120 to slide between the first position and the second position.

Referring to fig. 9 and 10, theenteral feeding pump 500 includes ahousing 560 and adoor 580, and the three-way assembly 100 and theinfusion tube 200 can be snapped into thehousing 560 with thedoor 580 open. Specifically, a plurality of clamping grooves are formed in theshell 560, clamping blocks matched with the clamping grooves are arranged on thevalve body 110, the fixingblock 210 is arranged on theinfusion tube 200, the fixingblock 210 can be clamped in the clamping grooves, meanwhile, a pipeline of theinfusion tube 200 can also be clamped in the clamping grooves, and the nutrientsolution storage part 300 and the flushingfluid storage part 400 can be fixed at proper positions through the support. After the nutrientsolution storage part 300, the flushingliquid storage part 400, the three-way component 100 and theinfusion tube 200 are fixed, thevalve core 120 is driven to move to the second position, theinfusion tube 200 is emptied through the flushing liquid, finally, the tower-shapedconnector 220 is communicated with a feeding tube on a patient, thevalve core 120 is driven to move to the first position, and the nutrient solution infusion to the patient is started.

In an alternative embodiment of the present embodiment, theenteral feeding pump 500 includes afirst drive member 510, asecond drive member 520, and aroller 530, thefirst drive member 510 being drivingly connected to thevalve cartridge 120, thesecond drive member 520 being drivingly connected to theroller 530 for driving theroller 530 in rotation, theroller 530 being in rolling engagement with theinfusion tube 200.

Specifically, referring to fig. 9-12, thefirst driver 510 and thesecond driver 520 are both disposed in thehousing 560, and the driving ends of thefirst driver 510 and thesecond driver 520 extend out of thehousing 560 and are respectively connected to thevalve core 120 and theroller 530 in a driving manner, wherein theinfusion tube 200 is wound around theroller 530. When nutrient solution needs to be infused into a patient, thevalve element 120 is driven by the first drivingmember 510 to move to the first position, so that the firstliquid inlet 111, the first throughhole 121 and theliquid outlet 113 are communicated, and thesecond driving member 520 is started, taking fig. 10 as an example, at this time, thesecond driving member 520 drives theroller 530 to rotate counterclockwise, so that theinfusion tube 200 is rolled, and the nutrient solution in theinfusion tube 200 is driven to flow to the patient.

As shown in fig. 7 and 11, thevalve body 120 is provided with aguide groove 123, the first drivingmember 510 includes amotor 511, aneccentric shaft 512, and aguide shaft 513, themotor 511 is rotatably connected to theeccentric shaft 512, theguide shaft 513 is mounted to theeccentric shaft 512 and slidably engaged with theguide groove 123, and an axis of theguide shaft 513 is parallel to an axis of theeccentric shaft 512.

Specifically, referring to fig. 3 and 4, theguide groove 123 is disposed between the first throughhole 121 and the second throughhole 122, themotor 511 is mounted on the fixingplate 600, the output end of themotor 511 is connected to theeccentric shaft 512, theeccentric shaft 512 is connected to theguide shaft 513, and theguide shaft 513 extends into thehousing 560 to be slidably fitted to theguide groove 123. Taking fig. 3 as an example, when thevalve core 120 is at the first position, theguide shaft 513 is located at the right side of the axis of theeccentric shaft 512 and is located at the middle of theguide groove 123, and when thevalve core 120 needs to be slid to the second position, themotor 511 rotates theguide shaft 513, theguide shaft 513 rotates and slides upwards or downwards in theguide groove 123, and thevalve core 120 slides leftwards along with theguide shaft 513, so that the change from the first position to the second position is completed.

In addition, the first drivingmember 510 may be a cylinder, the driving end of the cylinder is connected to thevalve core 120 to directly drive thevalve core 120 to slide in theaccommodating cavity 114, or a hydraulic cylinder or an electric cylinder may be used.

In an alternative embodiment of the present embodiment, theenteral feeding pump 500 includes a control system electrically connected to thefirst drive member 510 and thesecond drive member 520, respectively, for controlling the start and stop of thefirst drive member 510 and thesecond drive member 520 to correspondingly control the type and flow of fluid in theinfusion line 200.

In an alternative embodiment of the present embodiment, theenteral feeding pump 500 includes apressure sensor 540, thepressure sensor 540 is in signal communication with the control system for monitoring the pressure in theinfusion line 200 and sending information about the pressure in theinfusion line 200 to the control system, which receives the information and issues start and stop commands to thefirst drive member 510 and thesecond drive member 520.

Specifically, referring to fig. 9, anoperation interface 570 is disposed on thehousing 560, theoperation interface 570 is electrically connected to the control system, and medical staff can issue an instruction to the control system through theoperation interface 570, and the control system further controls the first drivingmember 510 and thesecond driving member 520 to start and stop.

The medical personnel can set a timed flush mode and an anti-clog flush mode via theoperator interface 570. The regular flushing mode is that feeding time and flushing time are preset on theoperation interface 570, and in the feeding time, thevalve core 120 is in the first position, and thesecond driving member 520 always drives theroller 530 to rotate to roll the pipeline, so that the nutrient solution is infused into the human body. After the preset feeding time is over, thevalve core 120 is driven by the first drivingmember 510 to slide to the second position, the flushing liquid starts to flush theinfusion tube 200 under the rolling of theroller 530 until the preset flushing time is over, and then thevalve core 120 is controlled by the first drivingmember 510 to slide to the first position to continue the infusion of the nutrient solution.

In the anti-clogging flushing mode, namely in the normal feeding process, when thepressure sensor 540 detects that the pressure in theinfusion tube 200 has a tendency of continuously rising but does not reach the preset pressure alarm value, the control system drives thevalve core 120 to move to the second position through thefirst driving part 510, flushes theinfusion tube 200 until the preset flushing time is over, and then drives thevalve core 120 to move to the first position through thefirst driving part 510 again to continue feeding. However, when the flushing is completed and thepressure sensor 540 still detects that the pressure in theinfusion tube 200 tends to rise continuously, the control system receives the information and sends an alarm to the outside to prompt the medical staff to perform the examination.

In an alternative embodiment of the present embodiment, theenteral feeding pump 500 includes abubble sensor 550, thebubble sensor 550 is in signal communication with the control system for monitoring the presence of bubbles in theinfusion tube 200 and sending this information to the control system, and the control system controls thesecond drive member 520 to turn off and send a notification to the outside when thebubble sensor 550 detects the presence of bubbles in theinfusion tube 200. Specifically, when bubbles exist in theinfusion tube 200, the patient can be injured, and the arrangement of thebubble sensor 550 can remind medical staff of eliminating potential safety hazards in time, so that the practicability of the feeding device is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made on the technical solutions described in the foregoing embodiments, or some or all of the technical features of the present invention may be replaced by other technical features of the present invention without departing from the scope of the technical solutions of the present invention.

Claims (10)

1. A feeding apparatus, comprising: the three-way assembly (100), the infusion tube (200), the nutrient solution storage piece (300) and the flushing liquid storage piece (400), wherein the three-way assembly (100) is respectively communicated with the infusion tube (200), the nutrient solution storage piece (300) and the flushing liquid storage piece (400);

the three-way assembly (100) is used for controlling one of the nutrient solution storage part (300) and the flushing liquid storage part (400) to be communicated with the infusion tube (200) so as to enable the feeding device to be in a feeding state and a flushing state correspondingly.

2. A feeding apparatus according to claim 1, wherein the three-way assembly (100) comprises a valve body (110) and a valve core (120);

the valve body (110) is provided with a first liquid inlet (111), a second liquid inlet (112) and a liquid outlet (113), the first liquid inlet (111) is communicated with the nutrient solution storage part (300) through a pipeline, the second liquid inlet (112) is communicated with the flushing liquid storage part (400) through a pipeline, and the liquid outlet (113) is connected with the infusion pipe (200);

the valve core (120) is arranged in the valve body (110) and is provided with a first position and a second position, when the valve core (120) is located at the first position, the liquid outlet (113) is singly communicated with the first liquid inlet (111), and when the valve core (120) is located at the second position, the liquid outlet (113) is singly communicated with the second liquid inlet (112).

3. A feeding apparatus according to claim 2, wherein the valve core (120) is slidably connected to the valve body (110) in the axial direction of the valve body to switch the valve core between the first position and the second position.

4. The feeding apparatus according to claim 2, wherein the feeding apparatus includes an enteral feeding pump (500), the tee assembly (100) and the infusion tube (200) are each connected to the enteral feeding pump (500), and the enteral feeding pump (500) is drivingly connected to the valve spool (120) for driving the valve spool (120) to slide between the first position and the second position.

5. The feeding apparatus as set forth in claim 4, wherein the enteral feeding pump (500) includes a first drive member (510), a second drive member (520), and a roller (530);

the first driving member (510) is in transmission connection with the valve core (120), the second driving member (520) is in transmission connection with the roller (530) and used for driving the roller (530) to rotate, and the roller (530) is in rolling fit with the infusion tube (200).

6. A feeding apparatus according to claim 5, wherein the valve core (120) is provided with a guide slot (123), the first driving member (510) comprises a motor (511), an eccentric shaft (512) and a guide shaft (513), the motor (511) is rotatably connected with the eccentric shaft (512), the guide shaft (513) is mounted on the eccentric shaft (512) and is in sliding fit with the guide slot (123), and the axis of the guide shaft (513) is parallel to the axis of the eccentric shaft (512).

7. A feeding device according to claim 5, wherein the first drive member (510) is a pneumatic cylinder, the drive end of the pneumatic cylinder being connected to the valve element (120).

8. The feeding apparatus as set forth in claim 5, wherein the enteral feeding pump (500) includes a control system electrically connected to the first and second drivers (510, 520), respectively, for controlling the activation and deactivation of the first and second drivers (510, 520) to correspondingly control the type and flow of fluid in the infusion tube (200).

9. The feeding apparatus as set forth in claim 8, wherein the enteral feeding pump (500) includes a pressure sensor (540);

the pressure sensor (540) is in signal connection with the control system and is used for monitoring the pressure in the infusion pipe (200) and sending pressure information in the infusion pipe (200) to the control system, and the control system receives the information and issues start-stop commands to the first driving piece (510) and the second driving piece (520).

10. The feeding apparatus as set forth in claim 8, wherein said enteral feeding pump (500) includes a bubble sensor (550), said bubble sensor (550) being in signal communication with said control system for monitoring bubbles in said infusion tube (200) and transmitting such information to said control system;

when the bubble sensor (550) monitors that bubbles exist in the infusion tube (200), the control system controls the second driving piece (520) to be closed and sends prompt information to the outside.

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