Enteral nutrition pump
By setting up a filter structure on the liquid outlet pipeline of the enteral nutrition pump, the problem of impurities entering the pipeline caused by the lack of filtration function during the warm liquid clearance is solved, and effective filtration of liquids and patient safety is achieved.
Patent Information
- Application Number
- CN202420997157.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing enteral nutrition pump lacks the warm liquid filtration function when the warm liquid is cleared, causing impurities in the liquid to enter the tube, which easily causes pipeline blockage and affects patient safety.
An enteral nutrition pump is designed, which includes setting up a filter structure on the liquid outlet pipeline, filtering the liquid in the liquid supply tank through the liquid outlet tube and then passing it into the liquid outlet pipeline to ensure that the liquid is filtered before entering the pipeline.
Effectively prevent impurities in the liquid from entering the pipeline, avoid pipeline blockage, ensure patient safety, and prevent equipment collisions through fixed connection structures to improve safety.
Smart Images
Figure CN222533709U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of medical devices, and in particular to an enteral nutrition pump. Background Art
[0002] Enteral nutrition pump is a nutritional infusion pump for nasogastric feeding. It can infuse liquid, liquid and homemade rice milk of a certain concentration through the nasogastric tube. It has functions such as automatic infusion, end-of-infusion alarm, fast discharge, reverse axis, etc. Improving the nutritional status of patients is the basic condition for disease treatment.
[0003] At present, the existing enteral nutrition pumps have the following problems when in use: when the enteral nutrition pump is used to clear warm liquid, it does not have the warm liquid filtering function, so that impurities in the liquid enter the tube and are easily accumulated inside the tube, causing tube blockage, which may seriously affect the safety of the patient; in addition, the tube and the enteral nutrition pump do not have a fixed function, and nearby personnel may easily touch the tube and the enteral nutrition pump, posing a hidden danger to the safety of the patient. Therefore, the above problems need to be improved and developed. Utility Model Content
[0004] The device provides an enteral nutrition pump, which can solve the problem that the enteral nutrition pump does not have the warm liquid filtering function when clearing warm liquid, so that impurities in the liquid enter the tube and are easily accumulated inside the tube to cause tube blockage, which may seriously affect the safety of the patient. The specific implementation method is as follows:
[0005] An enteral nutrition pump comprises an enteral nutrition pump body, wherein the inlet end and the outlet end of the enteral nutrition pump body are respectively provided with an inlet pipeline and a outlet pipeline, wherein the outlet pipeline is provided with a connecting structure, wherein the connecting structure is used to connect the outlet pipeline to an external infusion stand, wherein the connecting structure comprises an outer sleeve, a connecting piece arranged on the outer sleeve, and an inner core sleeved inside the outer sleeve, wherein the outer sleeve and the inner core are both provided with openings, wherein the openings are respectively used to sleeve the outer sleeve onto the inner core and the inner core onto the outlet pipeline, wherein the outer sleeve is connected to the external infusion stand via the connecting piece.
[0006] Furthermore, the inner surface shape of the outer shell matches the outer surface shape of the inner core.
[0007] Furthermore, the connecting part includes a sleeve mounted on the external infusion stand, an adjusting buckle arranged in the sleeve, and a screw arranged on the sleeve for driving the adjusting buckle to move. The sleeve is provided with an opening position, and the sleeve is clamped on the external infusion stand through the opening position. The screw is threadedly connected to the sleeve, and the adjusting buckle is rotationally connected to the screw.
[0008] Furthermore, a limiting boss is provided on the inner core, and the outer sleeve is provided with a groove corresponding to the limiting boss, and the limiting boss is engaged and connected with the groove.
[0009] Furthermore, two groups of the limiting bosses and the limiting grooves are provided, and the two groups of the limiting bosses and the limiting grooves are arranged side by side.
[0010] Furthermore, it also includes a liquid supply box, which is connected to the liquid outlet pipeline through a liquid passing pipe. A filtering structure is provided on the pipeline of the liquid passing pipe, and the filtering structure is used to filter the liquid in the liquid outlet pipeline passed from the liquid supply box.
[0011] Furthermore, the liquid passage pipe comprises a first liquid passage pipe and a second liquid passage pipe, a filter structure is provided at the connection between the first liquid passage pipe and the second liquid passage pipe, and the filter structure is connected to the first liquid passage pipe and the second liquid passage pipe respectively.
[0012] Furthermore, a sealing structure is provided at the connection between the filter structure and the first liquid passage pipe and the second liquid passage pipe.
[0013] Furthermore, the first liquid passage tube and the second liquid passage tube are both provided with protrusions, the filtering structure is provided with sealing grooves corresponding to the protrusions, the protrusions are arranged in the sealing grooves, and the ends of the protrusions are abutted against the sealing structure and sealedly connected to the sealing structure.
[0014] In summary, this application includes the following beneficial technical effects:
[0015] 1. The utility model can filter the liquid passed into the infusion tube for clearing blockage, effectively preventing the liquid passed into the infusion tube from containing impurities, ensuring that the liquid passed into the infusion tube does not contain impurities, thereby ensuring the safety of the patient;
[0016] 2. The utility model can fix the infusion tube and the enteral nutrition pump body on the infusion stand by providing a connection structure and a clamping member, thereby preventing people from touching the infusion tube and the enteral nutrition pump, and at the same time, the liquid can flow smoothly from the infusion tube, thereby improving the safety of the equipment;
[0017] 3. The utility model has a simple structure and can effectively prevent the outer sleeve from moving on the inner core by providing mutually matching grooves and limiting bosses, thereby ensuring the stability of the connection structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of an enteral nutrition pump in a specific embodiment of the utility model;
[0019] Figure 2 It is a stereoscopic diagram of an enteral nutrition pump in a specific embodiment of the utility model;
[0020] Figure 3 This is a partial enlargement of an enteral nutrition pump in a specific embodiment of the utility model. Figure 1 ;
[0021] Figure 4This is a partial enlargement of an enteral nutrition pump in a specific embodiment of the utility model. Figure 2 ;
[0022] Figure 5 This is a partial enlargement of an enteral nutrition pump in a specific embodiment of the utility model. Figure 3 .
[0023] Description of reference numerals:
[0024] 1. enteral nutrition pump body, 2. liquid outlet pipeline, 3. first box body, 4. fixing part, 5. liquid supply box, 501. first liquid pipe, 502. first connecting part, 6. connecting structure, 601. outer sleeve, 602. groove, 603. first opening section, 604. sleeve, 605. screw, 606. adjustment buckle, 607. inner core, 608. second opening section, 609. limiting boss, 7. second box body, 8. hand wheel, 9. clamping part, 10. worm, 11. worm wheel, 12. sliding seat, 13. guide wheel, 14. fastener, 15. bending section, 16. second liquid pipe, 1601. second connecting part, 17. sealing ring, 18. sealing groove, 19. metering pulse pump, 20. first solenoid valve, 21. second solenoid valve, 22. protrusion, 23. filter screen, 24. bidirectional screw. DETAILED DESCRIPTION
[0025] The following describes the specific implementation of the utility model in conjunction with the accompanying drawings and embodiments:
[0026] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0027] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.
[0028] The following is combined with Figure 1-5 This application is described in further detail.
[0029] Example 1, reference Figures 1 to 5The present embodiment discloses an enteral nutrition pump, comprising an enteral nutrition pump body 1, wherein the inlet end and the outlet end of the enteral nutrition pump body 1 are respectively provided with an inlet pipeline and a liquid outlet pipeline 2, wherein the liquid outlet pipeline 2 is provided with a connecting structure 6, wherein the connecting structure 6 is used to connect the liquid outlet pipeline 2 to an external infusion stand, wherein the connecting structure 6 comprises an outer sleeve 601, a connecting piece arranged on the outer sleeve 601, and an inner core 607 sleeved inside the outer sleeve 601, wherein both the outer sleeve 601 and the inner core 607 are provided with openings, wherein the openings are respectively used to sleeve the outer sleeve 601 onto the inner core 607, and the inner core 607 onto the liquid outlet pipeline 2, wherein the outer sleeve 601 is connected to the external infusion stand via a connecting piece. In the above structure, the opening position includes a first opening section 603 and a second opening section 608. The first opening section 603 is arranged on the outer sleeve 601, and the second opening section 608 is arranged on the inner core 607. The outer sleeve 601 and the inner core 607 are both made of elastic materials. The first opening section 603 is engaged with the inner core 607, and the second opening section 608 is engaged with the liquid outlet pipeline 2, and then connected to the external infusion stand through a connecting piece, thereby realizing the coordinated connection between the liquid outlet pipeline 2 and the external infusion stand, effectively preventing the liquid outlet pipeline 2 from moving, and thereby improving the stability of the liquid outlet pipeline 2.
[0030] In the above structure, the inner surface shape of the outer sleeve 601 matches the outer surface shape of the inner core 607. When connected, the outer sleeve 601 is elastically inserted into the outer side of the inner core 607 through the first opening section 603, and the inner surface of the outer sleeve 601 abuts against the outer surface of the inner core 607, thereby achieving the connection between the outer sleeve 601 and the inner core 607.
[0031] In the above structure, the connecting member includes a sleeve 604 sleeved on the external infusion stand, an adjusting buckle 606 arranged in the sleeve 604, and a screw 605 arranged on the sleeve 604 to drive the adjusting buckle 606 to move. The sleeve 604 is provided with an opening position, and the sleeve 604 is clamped on the external infusion stand through the opening position. The screw 605 is threadedly connected with the sleeve 604, and the adjusting buckle 606 is rotatably connected with the screw 605. The sleeve 604 is made of elastic material. When connection is required, the opening position of the sleeve 604 is clamped on the external infusion stand, and then the adjusting buckle 606 is driven to move by rotating the screw 605. The end face of the adjusting buckle 606 is against the external infusion stand, so as to realize the connection of the liquid outlet pipeline 2 to the external infusion stand. At the same time, the connecting member can be adjusted according to the specifications on the external infusion stand, which is more convenient to use.
[0032] In the above structure, in order to prevent the outer sleeve 601 from moving from the inner core 607, a limiting boss 609 is provided on the inner core 607, and the outer sleeve 601 is provided with a groove 602 corresponding to the limiting boss 609, and the limiting boss 609 is engaged with the groove 602. Preferably, in order to improve the stability of the outer sleeve 601, two groups of limiting bosses 609 and grooves 602 are provided, and the two groups of limiting bosses 609 and grooves 602 are arranged side by side.
[0033] In the above structure, a second box body 7 is provided on the back of the enteral nutrition pump body 1, and a bidirectional screw 24, a sliding seat 12 sleeved on the bidirectional screw 24 and threadedly connected with the bidirectional screw 24, a clamping member 9 arranged on the sliding seat 12, a worm wheel 11 arranged on the bidirectional screw 24, and a worm 10 driving the worm wheel 11 to move are arranged in the second box body 7. Two groups of sliding seats 12 are relatively arranged, and the two groups of sliding seats 12 move linearly along the bidirectional screw 24, thereby driving the clamping member 9 to move linearly, so that the two clamping members 9 are clamped on the external infusion stand, thereby realizing the connection of the enteral nutrition pump body 1, and a handwheel 8 is provided at the bottom of the worm 10, so that it is convenient for personnel to hold the handwheel 8 to drive the worm 10 to rotate.
[0034] Specifically, the enteral nutrition pump further includes a liquid supply box 5, which is connected to the liquid outlet pipeline 2 through a liquid passage pipe, and a filter structure is provided on the pipeline of the liquid passage pipe, and the filter structure is used to filter the liquid in the liquid outlet pipeline 2 passed from the liquid supply box 5. The filter structure includes a filter net 23, and the filter net 23 is used to filter the liquid in the liquid outlet pipeline 2 passed from the liquid supply box 5.
[0035] In the above structure, the liquid passage pipe includes a first liquid passage pipe 501 and a second liquid passage pipe 16, and a filter structure is provided at the connection between the first liquid passage pipe 501 and the second liquid passage pipe 16, and the filter structure is respectively connected to the first liquid passage pipe 501 and the second liquid passage pipe 16. A first connecting portion 502 is provided at the end of the first liquid passage pipe 501, and a second connecting portion 1601 is provided at the end of the second liquid passage pipe 16. The first connecting portion 502 and the second connecting portion 1601 are connected by a fastener 14. Preferably, the fastener 14 is a fastening bolt and a fastening nut that cooperate with each other. The first connecting portion 502 and the second connecting portion 1601 are connected by the fastening bolt and the fastening nut, thereby realizing the connection between the first liquid passage pipe 501, the second liquid passage pipe 16 and the filter screen 23.
[0036] In the above structure, in order to further improve the sealing performance of the connection between the first liquid pipe 501 and the second liquid pipe 16 and the filter screen 23, a sealing structure is provided at the connection between the filter structure and the first liquid pipe 501 and the second liquid pipe 16. The sealing structure is provided as a sealing ring 17, which is used to seal the connection between the first liquid pipe 501 and the filter screen 23, and the connection between the second liquid pipe 16 and the filter screen 23 respectively.
[0037] In the above structure, the first liquid passage 501 and the second liquid passage 16 are both provided with protrusions 22, and the filtering structure is provided with sealing grooves 18 corresponding to the protrusions 22, and the protrusions 22 are arranged in the sealing grooves 18, and the ends of the protrusions 22 abut against the sealing structure and are sealed with the sealing structure. The sealing ring 17 is arranged in the sealing grooves 18, and the ends of the protrusions 22 abut against the sealing ring 17, generating a squeezing force on the sealing ring 17, thereby achieving the sealing of the first liquid passage 501, the second liquid passage 16 and the filter 23, and at the same time, the protrusions 22 cooperate with the sealing grooves 18 to further prevent the liquid in the first liquid passage 501 and the second liquid passage 16 from flowing out.
[0038] In the above structure, a first box body 3 is further provided on the side of the enteral nutrition pump body, and a liquid supply box 5 is provided on the first box body 3. Liquid is stored in the liquid supply box 5. The liquid is passed into the liquid outlet pipeline 2 through the first liquid passing pipe 501 and the second liquid passing pipe 16. The liquid supply box 5 can heat the liquid at a constant temperature. The liquid supply box 5 is fixedly connected to the enteral nutrition pump body 1 through a fixing member 4. A first solenoid valve 20 and a metering pulse pump 19 are respectively provided on the pipeline of the second liquid passing pipe 16. A second solenoid valve 21 is provided on the liquid outlet pipeline 2, which can clear the blockage of the liquid outlet pipeline 2. When clearing is required, the second solenoid valve 21 is closed, and the first solenoid valve 20 and the metering pulse pump 19 are opened to pass the liquid in the liquid supply box 5 into the liquid outlet pipeline 2, thereby realizing the clearing function of the liquid outlet pipeline 2. A guide wheel 13 is also provided in the first box body 3, through which the nutrient solution passed into the liquid outlet pipeline 2 can be dredged, thereby effectively preventing the nutrient solution from accumulating in the liquid outlet pipeline 2.
[0039] The working principle of this embodiment is that the enteral nutrition pump body 1 and the liquid outlet pipeline 2 are first fixedly connected to the external infusion stand. Specifically, the hand wheel 8 is rotated, the hand wheel 8 drives the worm 10 to rotate, the worm 10 drives the worm gear 11 meshing therewith to rotate, thereby driving the bidirectional screw 24 to rotate, and the bidirectional screw 24 drives the two sets of sliding seats 12 to move relative to each other, thereby driving the clamping member 9 to clamp on the external infusion stand; the opening position of the sleeve 604 is clamped on the external infusion stand, and then the adjusting buckle 606 is driven to move by rotating the screw 605, and the end face of the adjusting buckle 606 is pressed against the external infusion stand. The liquid rack is mounted on the liquid rack, thereby connecting the liquid outlet pipeline 2 to the external infusion rack. The adjusting buckle 606 is driven to move by rotating the screw rod 605. The end face of the adjusting buckle 606 is abutted against the external infusion rack, thereby connecting the liquid outlet pipeline 2 to the external infusion rack. When supplying liquid, the enteral nutrition pump body 1 is opened, and the nutrient solution is passed into the liquid outlet pipeline 2 and then into the patient's body through the liquid outlet pipeline 2. When clearing the blockage is required, the second solenoid valve 21 is closed, and the first solenoid valve 20 and the metering pulse pump 19 are opened to pass the liquid in the liquid supply box 5 into the liquid outlet pipeline 2, thereby realizing the clearing function of the liquid outlet pipeline 2.
[0040] Many other changes and modifications can be made without departing from the concept and scope of the utility model. It should be understood that the utility model is not limited to a specific embodiment, and the scope of the utility model is defined by the appended claims.
Claims
1. An enteral nutrition pump, comprising an enteral nutrition pump body (1), wherein the inlet end and the outlet end of the enteral nutrition pump body (1) are respectively provided with a liquid inlet pipeline and a liquid outlet pipeline (2), characterized in that: The liquid outlet pipeline (2) is provided with a connection structure (6), and the connection structure (6) is used to connect the liquid outlet pipeline (2) to an external infusion stand. The connection structure (6) comprises an outer sleeve (601), a connection piece provided on the outer sleeve (601), and an inner core (607) sleeved inside the outer sleeve (601). The outer sleeve (601) and the inner core (607) are both provided with openings, and the openings are used to sleeve the outer sleeve (601) onto the inner core (607), and to sleeve the inner core (607) onto the liquid outlet pipeline (2), respectively. The outer sleeve (601) is connected to the external infusion stand via the connection piece.
2. An enteral nutrition pump according to claim 1, characterized in that: The inner surface shape of the outer sleeve (601) matches the outer surface shape of the inner core (607).
3. An enteral nutrition pump according to claim 1, characterized in that: The connecting member comprises a sleeve (604) sleeved on the external infusion stand, an adjusting buckle (606) arranged in the sleeve (604), and a screw (605) arranged on the sleeve (604) for driving the adjusting buckle (606) to move. The sleeve (604) is provided with an opening position, and the sleeve (604) is clamped on the external infusion stand through the opening position. The screw (605) is threadedly connected to the sleeve (604), and the adjusting buckle (606) is rotationally connected to the screw (605).
4. An enteral nutrition pump according to claim 1, characterized in that: The inner core (607) is provided with a limiting boss (609), and the outer sleeve (601) is provided with a groove (602) corresponding to the limiting boss (609), and the limiting boss (609) is engaged and connected with the groove (602).
5. An enteral nutrition pump according to claim 4, characterized in that: The limiting bosses (609) and the grooves (602) are each provided in two groups, and the two groups of limiting bosses (609) and the grooves (602) are arranged side by side.
6. An enteral nutrition pump according to claim 1, characterized in that: It also comprises a liquid supply box (5), the liquid supply box (5) being connected to the liquid outlet pipeline (2) via a liquid through pipe, a filter structure being arranged on the pipeline of the liquid through pipe, the filter structure being used to filter the liquid passed from the liquid supply box (5) into the liquid outlet pipeline (2).
7. An enteral nutrition pump according to claim 6, characterized in that: The liquid passage pipe comprises a first liquid passage pipe (501) and a second liquid passage pipe (16); a filter structure is provided at the connection between the first liquid passage pipe (501) and the second liquid passage pipe (16); the filter structure is connected to the first liquid passage pipe (501) and the second liquid passage pipe (16), respectively.
8. An enteral nutrition pump according to claim 7, characterized in that: A sealing structure is provided at the connection between the filtering structure and the first liquid passage pipe (501) and the second liquid passage pipe (16).
9. An enteral nutrition pump according to claim 8, characterized in that: The first liquid passage tube (501) and the second liquid passage tube (16) are both provided with protrusions (22), the filtering structure is provided with sealing grooves (18) corresponding to the protrusions (22), the protrusions (22) are arranged in the sealing grooves (18), and the ends of the protrusions (22) are abutted against the sealing structure and are sealedly connected to the sealing structure.