Disposable infusion pump

Abstract

The utility model belongs to the technical field of infusion pumps, and discloses a disposable infusion pump which comprises a pump body, a liquid storage bag is arranged in the pump body, a ruler is connected in the liquid storage bag, a connecting pipe is connected to the pump body, a needle-free medicine injection opening is formed in the connecting pipe, and the other end of the needle-free medicine injection opening is connected with a filter through the connecting pipe. The other end of the filter is connected with a speed limiter and a tail cap through a connecting pipe, the needle-free medicine injection opening is formed, the situation that the quality of liquid medicine is affected by pollution and glue opening chip falling can be avoided, the infusion speed of the infusion pump can be observed in real time through a ruler, and the mounting block can abut against the arm of a patient through the arrangement of the mounting block and a connecting belt; the two connecting belts surround the arm by a circle, and then the two connecting belts are attached to each other through the hook-and-loop fasteners at the tail ends of the connecting belts, so that the purpose that the mounting block is fixed to the arm of the patient is achieved, and the situation that the infusion effect is affected due to the fact that the liquid storage bag falls off or slides to the position not located at the same horizontal height as the speed limiter in the moving process of the patient is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of infusion pumps, and in particular relates to a disposable infusion pump. Background Art

[0002] A disposable infusion pump is a medical device that uses the power generated by the elastic force of the pump's own reservoir to regulate and continuously perform micro-infusions at a certain speed.

[0003] Currently, disposable infusion pumps are widely used in clinical practice for continuous intravenous infusion of analgesics, chemotherapy drugs, somatostatin and other drugs. During the use of conventional infusion pumps, the infusion pump is placed in a bag, and the bag is hung on the patient or the infusion pump is placed in the pocket on the chest of the patient's gown, and the liquid reservoir and the speed limiter are kept at the same level. This operation is uncomfortable for the patient, and the liquid reservoir is easy to detach from the pocket during use, affecting its use effect. Utility Model Content

[0004] The purpose of the utility model is to provide a disposable infusion pump to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a disposable infusion pump, comprising a pump body, a liquid storage bag is arranged in the pump body, a scale is connected to the liquid storage bag, a connecting tube is connected to the pump body, a needle-free drug injection port is on the connecting tube, the other end of the needle-free drug injection port is connected to a filter through the connecting tube, the other end of the filter is connected to a speed limiter and a tail cap through the connecting tube, a mounting block is fixedly connected to the pump body, two mutually symmetrical connecting belts are arranged on the mounting block, and Velcro is arranged on the ends of the two connecting belts away from the mounting block.

[0006] Preferably, movable blocks are slidably arranged on the two connecting belts.

[0007] Preferably, arc-shaped grooves are provided at the ends of the movable block and the fixed block that are close to each other.

[0008] Preferably, a plurality of anti-slip rubber blocks are evenly arranged on the inner wall of the arc-shaped groove along the circumferential direction.

[0009] Preferably, the movable block is provided with two symmetrical sliding holes, and the connecting belt is slidably arranged in the sliding holes.

[0010] Preferably, a plurality of through holes are evenly arranged in the axial direction on the connecting belt.

[0011] Preferably, the movable block is provided with two limit slots which are symmetrical to each other and matched with the size of the through hole, a limit plug is slidably arranged in the limit slot, a pull ring is arranged on the limit plug, a return spring is also sleeved on the limit plug, one end of the return spring is fixedly mounted on the limit plug, and the other end of the return spring is mounted on the movable block.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, the needle-free drug injection port is provided to avoid contamination and debris falling from the glue port that affect the quality of the medicine, the infusion speed of the infusion pump can be observed in real time by a ruler, and the mounting block and the connecting belt are provided so that the mounting block can be placed against the patient's arm, and the two connecting belts are wrapped around the arm for one week, and then the two connecting belts are attached to each other by Velcro at the ends of the connecting belts, thereby achieving the purpose of fixing the mounting block on the patient's arm, thereby preventing the liquid storage capsule from falling off or sliding to a level that is not at the same level as the speed limiter during the patient's movement, affecting the infusion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a disposable infusion pump proposed by the utility model;

[0015] Figure 2 This is a structural schematic diagram of a mounting block, a movable block, a limit plug block and other structures of a disposable infusion pump proposed by the utility model;

[0016] Figure 3 A disposable infusion pump proposed by the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0017] In the figure: 1. Pump body; 2. Liquid storage bag; 3. Scale; 4. Mounting block; 5. Injection port; 6. Connecting pipe; 7. Filter; 8. Speed ​​limiter; 9. Tail cap; 10. Arc groove; 11. Anti-slip rubber block; 12. Through hole; 13. Connecting belt; 14. Velcro; 15. Limiting plug-in block; 16. Limiting slot; 17. Reset spring; 18. Pull ring; 19. Movable block; 20. Sliding hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3A disposable infusion pump comprises a pump body 1, a liquid storage bag 2 is arranged in the pump body 1, a scale 3 is connected to the liquid storage bag 2, a connecting tube 6 is connected to the pump body 1, a needle-free drug injection port 5 is on the connecting tube 6, the other end of the needle-free drug injection port 5 is connected to a filter 7 through the connecting tube 6, the other end of the filter 7 is connected to a speed limiter 8 and a tail cap 9 through the connecting tube 6, a mounting block 4 is fixedly connected to the pump body 1, two mutually symmetrical connecting belts 13 are arranged on the mounting block 4, and Velcro 14 is arranged at one end of the two connecting belts 13 away from the mounting block 4.

[0020] The needle-free injection port 5 can prevent contamination and glue chip falling from affecting the quality of the medicine, the infusion speed of the infusion pump can be observed in real time through the ruler 3, and the mounting block 4 and the connecting belt 13 can be arranged so that the mounting block 4 can be placed against the patient's arm, and the two connecting belts 13 can be wrapped around the arm for one week, and then the two connecting belts 13 can be attached to each other through the Velcro 14 at the end of the connecting belt 13, so as to achieve the purpose of fixing the mounting block 4 on the patient's arm, thereby preventing the liquid storage capsule 2 from falling off or sliding to a level that is not at the same level as the speed limiter 8 during the patient's movement, affecting the infusion effect.

[0021] Specifically, in this embodiment, movable blocks 19 are slidably arranged on the two connecting belts 13 , and arc grooves 10 are formed at the ends of the movable blocks 19 and the fixed blocks that are close to each other.

[0022] By cooperating with the movable block 19 and the fixed block, when it is inconvenient to fix the liquid storage bag 2 to the patient's limb through the connecting belt 13, the arc groove 10 on the mounting block 4 can be abutted against the patient's arm, and then the movable block 19 is passed through the two connecting belts 13, and the arc groove 10 on the movable block 19 is abutted against the other side of the patient's arm, thereby achieving the purpose of fixing the liquid storage bag 2 on the patient's limb.

[0023] Specifically, in this embodiment, a plurality of anti-slip rubber blocks 11 are evenly arranged on the inner wall of the arc-shaped groove 10 along the circumferential direction.

[0024] By arranging the anti-skid rubber block 11, when the mounting block 4 and the movable block 19 are pressed against the patient's limbs, the friction with the patient's body surface can be increased to avoid slipping.

[0025] Specifically, in this embodiment, two symmetrical sliding holes 20 are provided on the movable block 19 , and the connecting belt 13 is slidably arranged in the sliding holes 20 .

[0026] The movable block 19 can be conveniently inserted into the two connecting belts 13 by means of the sliding holes 20 .

[0027] Specifically, in the present embodiment, a plurality of through holes 12 are evenly arranged in the axial direction on the connecting belt 13, and two limiting slots 16 which are symmetrical to each other and matched in size with the through holes 12 are arranged on the movable block 19. A limiting plug 15 is slidably arranged in the limiting slot 16, and a pull ring 18 is arranged on the limiting plug 15. A reset spring 17 is also sleeved on the limiting plug 15, and one end of the reset spring 17 is fixedly mounted on the limiting plug 15, and the other end of the reset spring 17 is mounted on the movable block 19.

[0028] By arranging the through hole 12 and the limit plug 15, after the mounting block 4 and the movable block 19 are clamped on the patient's arm, the limit plug 15 can pass through the through hole 12 on the connecting belt 13 and then be inserted into the limit slot 16, so as to temporarily fix the length of the connecting belt 13, and by the reset spring 17, the limit plug 15 can always be kept inserted in the limit slot 16, and then after the limit plug 15 is pulled apart to adjust the length of the connection and the limit plug 15 is released, the limit plug 15 can be automatically reset by the elastic potential energy of the reset spring 17 and inserted into the limit slot 16 through the through hole 12, and the liquid storage capsule 2 is fixed to the patient's arm under the interaction of the mounting block 4 and the movable block 19.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A disposable infusion pump, comprising a pump body (1), characterized in that: A liquid storage bag (2) is arranged in the pump body (1), a scale (3) is connected to the liquid storage bag (2), a connecting pipe (6) is connected to the pump body (1), a needleless drug injection port (5) is provided on the connecting pipe (6), the other end of the needleless drug injection port (5) is connected to a filter (7) through the connecting pipe (6), the other end of the filter (7) is connected to a speed limiter (8) and a tail cap (9) through the connecting pipe (6), a mounting block (4) is fixedly connected to the pump body (1), two mutually symmetrical connecting belts (13) are arranged on the mounting block (4), and Velcro (14) is arranged at one end of the two connecting belts (13) away from the mounting block (4).

2. A disposable infusion pump according to claim 1, characterized in that: Movable blocks (19) are slidably arranged on the two connecting belts (13).

3. A disposable infusion pump according to claim 2, characterized in that: The movable block (19) and the fixed block are both provided with an arc groove (10) at one end close to each other.

4. A disposable infusion pump according to claim 3, characterized in that: A plurality of anti-slip rubber blocks (11) are evenly arranged along the circumferential direction on the inner wall of the arc-shaped groove (10).

5. A disposable infusion pump according to claim 2, characterized in that: The movable block (19) is provided with two mutually symmetrical sliding holes (20), and the connecting belt (13) is slidably arranged in the sliding holes (20).

6. A disposable infusion pump according to claim 1, characterized in that: The connecting belt (13) is evenly provided with a plurality of through holes (12) along the axial direction.

7. A disposable infusion pump according to claim 2, characterized in that: The movable block (19) is provided with two mutually symmetrical limiting slots (16) which are adapted to the size of the through hole (12); a limiting plug block (15) is slidably arranged in the limiting slot (16); a pull ring (18) is arranged on the limiting plug block (15); a return spring (17) is also sleeved on the limiting plug block (15); one end of the return spring (17) is fixedly mounted on the limiting plug block (15); and the other end of the return spring (17) is mounted on the movable block (19).

Images