Intestinal drug injection device
The combination of a motor-driven connecting rod structure and a peristaltic pump heating wire solves the problem of drug precipitation in the intestinal drug injection device, achieves uniform distribution and precise delivery of drugs, and improves treatment effects and patient comfort.
Patent Information
- Application Number
- CN202422320507.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-09-24
AI Technical Summary
During intestinal drug injection, suspended particle drugs are prone to precipitation, resulting in uneven drug concentration and affecting the therapeutic effect.
A motor-driven connecting rod structure is used to periodically swing the medicine bottle, and combined with a peristaltic pump and heating wire, it ensures uniform distribution and heating of the medicine solution, achieving precisely controlled drug delivery.
Prevent drug precipitation, ensure uniform drug distribution, improve therapeutic effect and patient comfort, promote drug absorption and improve compliance.
Smart Images

Figure CN223404257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to an intestinal medicine injection device. Background Art
[0002] Common diseases in gastroenterology include gastroenteritis, irritable bowel syndrome, ulcerative colitis, Crohn's disease, etc. These diseases usually require drug treatment to relieve symptoms, control inflammation or repair damaged tissues. In clinical practice of gastroenterology, drugs enter the human body through oral, intravenous or intestinal injections, and intestinal drug injection has unique advantages for local treatment and refractory cases. Intestinal drug injection usually lasts for a long time due to the intestinal absorption rate. However, some drugs, especially those containing suspended particles or requiring mixing, are prone to precipitation during long-term delivery, resulting in uneven drug concentration and affecting the treatment effect. For this reason, we propose an intestinal drug injection device. Utility Model Content
[0003] The purpose of the present utility model is to provide an intestinal drug injection device to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an intestinal drug injection device, comprising a frame, the frame is fixedly connected to a protective plate, a swinging piece is provided at the upper position of the frame, a medicine bottle is provided at the swinging piece, the medicine bottle is connected to a catheter, a peristaltic pump is provided under the medicine bottle, the catheter portion is clamped in the peristaltic pump, and a heating wire is provided in the peristaltic pump.
[0005] Among them, the swinging member includes a first motor, the first motor is rotatably connected to a crank, the rotating shaft of the crank is rotatably connected to a first support block, the first support block is fixed on the frame, the crank is slidably connected to a connecting rod, the top rotating shaft of the connecting rod is rotatably connected to a second support block, the second support block is fixed on the frame, the middle part of the connecting rod is slidably connected to a swinging block, the rotating shaft of the swinging block is rotatably connected to a third support block, the third support block is fixed on the frame, and the rotating shaft of the swinging block passes through the third support block and is fixedly connected to a placement ring.
[0006] Among them, the peristaltic pump includes a second motor, the second motor passes through a chassis, a rotating disk is provided inside the chassis, the rotating disk is fixedly connected to the rotating shaft of the second motor, a roller is provided on the edge of the rotating disk, a catheter inlet is provided above one side of the chassis, and a catheter exit is provided below the chassis on the same side as the catheter inlet.
[0007] There are three heating holes on both sides of the surface of the catheter inlet and the catheter outlet, and the heating wire is fixed in the heating holes.
[0008] Among them, a plurality of hanging ropes are provided below the placement ring, and a hanging ring is hung at the lower end of the hanging rope, and the inner diameter of the hanging ring is consistent with the bottle mouth of the medicine bottle.
[0009] The rotating disk is triangular in shape, and the gap between the roller and the inner wall of the peristaltic pump is smaller than the diameter of the catheter.
[0010] The middle portion of the connecting rod is a sliding groove structure, and the surfaces of one end of the crank and the swing block are sliders that slide inside the sliding groove of the connecting rod.
[0011] The utility model has at least the following beneficial effects:
[0012] When in use, the utility model uses a motor-driven connecting rod structure to periodically swing the medicine bottle, effectively preventing the precipitation of particulate components in the medicine solution and ensuring uniform distribution of the medicine. By adopting a peristaltic pump to control the delivery of the medicine solution and integrating a heating wire in the peristaltic pump, pollution-free medicine solution delivery can be achieved, and the flow rate and injection volume can be accurately controlled to ensure that the medicine can be stably and continuously injected into the intestine at a set dosage and heated during the delivery process, so that the temperature of the medicine solution is close to human body temperature, which not only avoids the discomfort and irritation caused by the injection of cold liquid into the intestine, but also promotes the absorption of the medicine, improves the treatment effect and patient compliance. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the structure of the swing member of the utility model;
[0016] Figure 4 This is a structural diagram of the peristaltic pump of the utility model;
[0017] Figure 5 This is a schematic diagram of the structure of A of the utility model;
[0018] In the figure: 1. frame; 2. protective plate; 3. swinging part; 4. medicine bottle; 5. catheter; 6. peristaltic pump; 7. heating wire; 8. first motor; 9. crank; 10. first support block; 11. connecting rod; 12. second support block; 13. swinging block; 14. third support block; 15. placement ring; 16. second motor; 17. chassis; 18. rotating disk; 19. roller; 20. catheter entry port; 21. catheter exit port; 22. heating hole; 23. hanging rope; 24. hanging ring. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example 1
[0021] See also Figures 1 to 5 The utility model provides a technical solution: it includes a frame 1, the frame 1 is fixedly connected to a protective plate 2, the protective plate 2 can prevent patients or medical staff from accidentally touching the swinging member at the rear, a swinging member 3 is provided at the upper position inside the frame 1, a medicine bottle 4 is provided at the swinging member 3, the medicine bottle 4 is plugged with a catheter 5, a peristaltic pump 6 is provided below the medicine bottle 4, a heating wire 7 is provided in the peristaltic pump 6, the peristaltic pump 6 includes a second motor 16, the second motor 16 passes through a chassis 17, a rotating disk 18 is provided inside the chassis 17, the rotating disk 18 is fixedly connected to the rotating shaft of the second motor 16, a roller 19 is provided on the edge of the rotating disk 18, the rotating disk 18 is triangular in shape, the gap between the roller 19 and the inner wall of the peristaltic pump 6 is smaller than the diameter of the catheter 5, and as the rotating disk 18 rotates continuously, each roller 19 squeezes the catheter And release, so that the medicine is pushed between the extrusion points to achieve continuous flow. A catheter inlet 20 is provided on the upper side of the chassis 17, and a catheter exit 21 is provided on the lower side of the chassis 17 on the same side of the catheter inlet 20. Three heating holes 22 are respectively opened on both sides of the surface of the catheter inlet 20 and the catheter exit 21. The heating wire 7 is fixed in the heating hole 22. The heating wire 7 can heat the medicine flowing through to ensure that the temperature of the medicine is close to body temperature during the transportation process to improve the patient's comfort. The peristaltic pump 6 can provide pollution-free and precisely controlled flow, which is suitable for transporting volatile, easily contaminated or particulate-containing medicines. The catheter 5 is partially clamped in the peristaltic pump 6, and the medicine flows in the catheter 5. The catheter 5 itself does not directly contact other components of the peristaltic pump 6, thereby avoiding cross contamination.
[0022] The swinging member 3 includes a first motor 8, which is rotatably connected to a crank 9, and the rotating shaft of the crank 9 is rotatably connected to a first supporting block 10. The first supporting block 10 is fixed to the frame 1, and the crank 9 is slidably connected to a connecting rod 11. The top rotating shaft of the connecting rod 11 is rotatably connected to a second supporting block 12, and the second supporting block 12 is fixed to the frame 1. The middle part of the connecting rod 11 is slidably connected to a swinging block 13, and the rotating shaft of the swinging block 13 is rotatably connected to a third supporting block 14. The third supporting block 14 is fixed to the frame 1, and the rotating shaft of the swinging block 13 passes through the third supporting block 14 and is fixedly connected to a placing ring 15. When the first motor 8 is started, the first motor 8 causes the crank 9 to rotate along the rotating shaft in the first supporting block 10, and the slider on the surface of the crank 9 slides in the slide groove in the connecting rod 11, causing the connecting rod 11 to swing along the rotating shaft in the second supporting block 12, and the slider of the swinging block 13 follows the connecting rod 11 in the slide groove. The rod 11 swings and slides, thereby driving the swing block 13 to swing along the rotating shaft in the third support block 14, and finally causing the placement ring 15 to swing periodically, thereby causing the medicine bottle 4 to swing, effectively preventing the solid components in the medicine solution from settling. During use, the medical staff puts the medicine solution into the medicine bottle 4, places the medicine bottle 4 on the placement ring 15, and then connects one end of the catheter 5 to the medicine bottle 4 and the other end to the middle of the patient's intestine and clamps it in the peristaltic pump 6. After starting the first motor 8, the swing member 3 causes the medicine bottle 4 to swing through the connecting rod structure to ensure that the medicine solution is evenly mixed and prevent precipitation. After starting the second motor 16, the peristaltic pump 6 drives the roller 19 to rotate through the rotating disk 18 to rotate and squeeze the catheter 5, thereby generating a pressure difference in the catheter 5, thereby transporting the medicine solution downward, and heats the medicine solution passing through the peristaltic pump 6 through the heating wire 7 in the heating hole 22, and finally transports it into the patient's body.
[0023] Example 2
[0024] See also Figures 1 to 3 In the second embodiment, other structures remain unchanged. The difference from the first embodiment is that a plurality of hanging ropes 23 are provided below the placement ring 15. A hanging ring 24 is hung at the lower end of the hanging rope 23. The inner diameter of the hanging ring 24 is consistent with the bottle mouth of the medicine bottle 4. When the medicine bottle 4 is placed in the placement ring 15, the hanging rope 23 and the hanging ring 24 can improve the stability of the medicine bottle 4 and prevent the medicine bottle 4 from falling when shaken.
[0025] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An intestinal drug injection device, comprising a frame (1), characterized in that: The frame (1) is fixedly connected to a protective plate (2), a swinging member (3) is provided at an upper position inside the frame (1), a medicine bottle (4) is provided at the swinging member (3), a catheter (5) is plugged into the medicine bottle (4), a peristaltic pump (6) is provided below the medicine bottle (4), a portion of the catheter (5) is clamped in the peristaltic pump (6), and a heating wire (7) is provided in the peristaltic pump (6).
2. The intestinal drug injection device according to claim 1, characterized in that: The swing member (3) comprises a first motor (8), the first motor (8) is rotatably connected to a crank (9), the rotating shaft of the crank (9) is rotatably connected to a first support block (10), the first support block (10) is fixed on the frame (1), the crank (9) is slidably connected to a connecting rod (11), the top rotating shaft of the connecting rod (11) is rotatably connected to a second support block (12), the second support block (12) is fixed on the frame (1), the middle part of the connecting rod (11) is slidably connected to a swing block (13), the rotating shaft of the swing block (13) is rotatably connected to a third support block (14), the third support block (14) is fixed on the frame (1), and the rotating shaft of the swing block (13) passes through the third support block (14) and is fixedly connected to a placement ring (15).
3. The intestinal drug injection device according to claim 1, characterized in that: The peristaltic pump (6) includes a second motor (16), the second motor (16) passes through a chassis (17), a rotating disk (18) is provided inside the chassis (17), the rotating disk (18) is fixedly connected to the rotating shaft of the second motor (16), a roller (19) is provided on the edge of the rotating disk (18), a catheter inlet (20) is provided above one side of the chassis (17), and a catheter exit (21) is provided below the chassis (17) on the same side as the catheter inlet (20).
4. The intestinal drug injection device according to claim 3, characterized in that: Three heating holes (22) are respectively opened on both sides of the surface of the catheter inlet (20) and the catheter outlet (21), and the heating wire (7) is fixed in the heating hole (22).
5. The intestinal drug injection device according to claim 2, characterized in that: A plurality of hanging ropes (23) are provided below the placement ring (15), and a hanging ring (24) is hung at the lower end of the hanging rope (23), and the inner diameter of the hanging ring (24) is consistent with the bottle mouth of the medicine bottle (4).
6. The intestinal drug injection device according to claim 3, characterized in that: The rotating disk (18) is triangular in shape, and the gap between the roller (19) and the inner wall of the peristaltic pump (6) is smaller than the diameter of the catheter (5).
7. The intestinal drug injection device according to claim 2, characterized in that: The middle portion of the connecting rod (11) is a sliding groove structure, and the surfaces of one end of the crank (9) and the swing block (13) are sliders that slide inside the sliding groove of the connecting rod (11).