Structure suitable for bile duct intubation of experimental animal
By incorporating adjustment and fixation components into the bile duct cannulation of experimental animals, the problems of bile flow control and cannulation stability were solved, achieving both flexibility and safety in bile collection.
Patent Information
- Application Number
- CN202422918248.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing laboratory animal bile duct cannulas cannot control bile flow, making bile collection tube replacement difficult and lacking in flexibility.
An adjustment assembly was designed, which includes a first cannula and a second cannula. The bile flow is controlled by components such as a rigid tube, a rotating shaft, a circular plate, a limiting plate, and a drive plate. Combined with fixing components such as medical gauze and Velcro, the cannula is stably fixed in the animal's body.
It enables flexible adjustment of bile flow and convenient replacement of collection tubes, improving the stability of tube insertion and reducing the risk of animal infection.
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Figure CN223696070U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological experiment equipment technical field, concretely is a structure suitable for experimental animal bile duct intubation. BACKGROUND
[0002] In the process of animal experiment, often need to collect animal bile for efficacy research or drug metabolism analysis and or for liver cancer, bile duct cancer, liver fibrosis, liver injury disease model construction.
[0003] At present, in the collection of animal bile, usually will use intubation, and in the use intubation, usually will be inserted in one end of intubation experimental animal's bile duct, and again the other end of intubation is connected in bile collection pipe. But the existing intubation cannot control the flow of bile, there is limitation, which leads to the bile collection pipe after being filled with the required bile, it is difficult to replace the bile collection pipe. Therefore, a structure suitable for experimental animal bile duct intubation is invented. UTILITY MODEL CONTENT
[0004] In view of above and / or the existing problems in a structure suitable for experimental animal bile duct intubation, the utility model is proposed.
[0005] Therefore, the utility model aims at providing a structure suitable for experimental animal bile duct intubation, which can solve the above-mentioned existing problems.
[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:
[0007] A structure suitable for experimental animal bile duct intubation, which comprises a bile duct intubation body, the bile duct intubation body is composed of a first intubation and a second intubation, and a regulating assembly for controlling the flow of bile is arranged between the first intubation and the second intubation.
[0008] As a preferred scheme of the structure suitable for experimental animal bile duct intubation, the regulating assembly comprises:
[0009] A hard tube is fixedly installed between the first intubation and the second intubation.
[0010] A through hole is formed in both ends of the hard tube.
[0011] A rotating shaft is movably connected in the through hole.
[0012] A circular plate is fixedly installed between the two groups of rotating shafts, and the circular plate is located in the hard tube.
[0013] A limiting plate is fixedly installed at the opposite ends of the two groups of rotating shafts.
[0014] A connecting shaft, which is fixedly mounted on a set of limiting plates;
[0015] A drive board, which is fixedly mounted on one end of the connecting shaft.
[0016] As a preferred embodiment of the structure for inserting bile ducts into laboratory animals according to this utility model, a sealing ring is provided between the rotating shaft and the through hole to seal the connection between the rotating shaft and the through hole.
[0017] As a preferred embodiment of the structure for bile duct cannulation in laboratory animals described in this utility model, a rubber ring is fixedly installed on the outer side of the circular plate, and the rubber ring is in contact with the inner surface of the rigid tube.
[0018] As a preferred embodiment of the structure for bile duct cannulation in laboratory animals described in this utility model, anti-slip pads are fixedly installed at the opposite ends of the two sets of limiting plates, and the anti-slip pads are in contact with the outer surface of the rigid tube.
[0019] As a preferred embodiment of the structure for bile duct cannulation in laboratory animals described in this utility model, it further includes:
[0020] A fixation component for securing the first cannula to the experimental animal, wherein the fixation component is located at one end of the first cannula.
[0021] As a preferred embodiment of the structure for bile duct cannulation in laboratory animals described in this utility model, the fixing component includes:
[0022] Medical gauze, wherein the medical gauze is fixedly installed on one end of the first insertion tube;
[0023] The first cloth strip is fixedly installed on one end of the medical gauze;
[0024] The hook and loop fastener is fixedly installed on one side of the first fabric tape.
[0025] As a preferred embodiment of the structure for bile duct cannulation in laboratory animals described in this utility model, the fixing component further includes:
[0026] The second fabric strip is fixedly installed on the other end of the medical gauze;
[0027] The hook and loop side is fixedly installed on one side of the second fabric tape, and the hook and loop side and the hook and loop side can be bonded together.
[0028] Compared with existing technologies:
[0029] 1. By setting the adjusting assembly for controlling the flow of bile between the first cannula and the second cannula, the problem that the existing cannula cannot control the flow of bile can be solved, and the personnel can replace the bile collection pipe, so that the bile can be collected in a plurality of bile collection pipes, and the flexibility is improved.
[0030] 2. By setting the fixing assembly, the first cannula can be fixed on the experimental animal, the use stability of the first cannula can be improved to a certain extent, and in addition, the sealing effect can be achieved to a certain extent, and the experimental animal is prevented from being infected. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is a front view of the structure of the utility model;
[0032] Figure 2 It is a front view of the adjusting assembly of the utility model;
[0033] Figure 3 It is a structure schematic view of the fixing assembly of the utility model;
[0034] Figure 4 It is a structure schematic view of the adjusting assembly of the utility model.
[0035] In the drawing: first cannula 10, second cannula 20, hard pipe 30, through hole 31, rotating shaft 32, circular plate 33, limiting plate 34, connecting shaft 35, driving plate 36, sealing ring 37, rubber ring 38, anti-skid pad 39, medical gauze 40, first cloth tape 41, magic tape thorn surface 42, second cloth tape 43, magic tape hair surface 44. DETAILED DESCRIPTION
[0036] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings.
[0037] The utility model provides a structure suitable for experimental animal bile duct cannula, please refer to Figures 1-4 , including bile duct cannula body, the bile duct cannula body is by first cannula 10 and second cannula 20 are formed, and first cannula 10 and second cannula 20 between being equipped with the adjusting assembly for controlling the flow of bile.
[0038] The adjusting assembly includes: hard pipe 30, through hole 31, rotating shaft 32, circular plate 33, limiting plate 34, connecting shaft 35, driving plate 36, sealing ring 37, rubber ring 38, anti-skid pad 39;
[0039] The hard pipe 30 is fixedly installed between the first cannula 10 and the second cannula 20, both ends of the hard pipe 30 are provided with through holes 31, the rotating shafts 32 are movably connected in the through holes 31, the circular plate 33 is fixedly installed between the two groups of rotating shafts 32 and located in the hard pipe 30, the opposite ends of the two groups of rotating shafts 32 are fixedly installed with the limiting plates 34, the connecting shaft 35 is fixedly installed on one group of limiting plates 34, the driving plate 36 is fixedly installed on one end of the connecting shaft 35, the sealing rings 37 are arranged between the rotating shafts 32 and the through holes 31 to seal the space between the rotating shafts 32 and the through holes 31, the rubber rings 38 are fixedly installed on the outer side of the circular plate 33 and in contact with the inner surface of the hard pipe 30, the anti-skid pads 39 are fixedly installed on the opposite ends of the two groups of limiting plates 34 and in contact with the outer surface of the hard pipe 30, the anti-skid pads 39 can increase the friction between the limiting plates 34 and the hard pipe 30 to avoid the self-rotation of the circular plate 33.
[0040] Further comprising: a fixing assembly for fixing the first cannula 10 on the experimental animal, and the fixing assembly is arranged on one end of the first cannula 10;
[0041] The fixing assembly comprises: a medical gauze 40, a first cloth tape 41, a Velcro pricking surface 42, a second cloth tape 43, and a Velcro furred surface 44.
[0042] The medical gauze 40 is fixedly installed on one end of the first cannula 10, the first cloth tape 41 is fixedly installed on one end of the medical gauze 40, one side of the first cloth tape 41 is fixedly installed with the Velcro pricking surface 42, the second cloth tape 43 is fixedly installed on the other end of the medical gauze 40, one side of the second cloth tape 43 is fixedly installed with the Velcro furred surface 44, and the Velcro furred surface 44 and the Velcro pricking surface 42 can be bonded together.
[0043] In specific use, the specific steps are as follows:
[0044] The experimental animal (including but not limited to rats) after anesthesia is fixed (including but not limited to the head, limbs, tail, etc.), then the part to be operated is disinfected, and one end of the second cannula 20 is connected with the bile collection tube, then the skin is cut to find the position of the bile duct and separate the bile duct, at this time, one end of the first cannula 10 is inserted into the bile duct, then the first cloth tape 41 and the second cloth tape 43 are wound around the body of the experimental animal and connected by the Velcro pricking surface 42 and the Velcro furred surface 44 to fix the position of the first cannula 10, then the bile flows into the bile collection tube through the first cannula 10 and the second cannula 20 for collection, and when the flow of the bile needs to be adjusted, the circular plate 33 is rotated by the driving plate 36, and the rotation angle of the circular plate 33 is adjusted to adjust the flow of the bile.
[0045] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A structure suitable for bile duct cannulation in laboratory animals, comprising a bile duct cannulation body, characterized in that, The bile duct cannula body is composed of a first cannula (10) and a second cannula (20), and an adjustment component for controlling the flow rate of bile is provided between the first cannula (10) and the second cannula (20).
2. The structure for bile duct cannulation in laboratory animals according to claim 1, characterized in that, The adjustment component includes: A rigid tube (30) is fixedly installed between the first insertion tube (10) and the second insertion tube (20); Through holes (31) are provided at both ends of the rigid tube (30); A rotating shaft (32) is movably connected in a through hole (31); A circular plate (33) is fixedly installed between two sets of rotating shafts (32), and the circular plate (33) is located in a rigid tube (30); Limiting plates (34) are fixedly installed on the opposite ends of the two sets of rotating shafts (32); A connecting shaft (35) is fixedly mounted on a set of limiting plates (34); A drive plate (36) is fixedly mounted on one end of a connecting shaft (35).
3. The structure for bile duct cannulation in laboratory animals according to claim 2, characterized in that, A sealing ring (37) is provided between the rotating shaft (32) and the through hole (31) to seal the connection between the rotating shaft (32) and the through hole (31).
4. The structure for bile duct cannulation in laboratory animals according to claim 3, characterized in that, A rubber ring (38) is fixedly installed on the outer side of the circular plate (33), and the rubber ring (38) is in contact with the inner surface of the rigid tube (30).
5. The structure for bile duct cannulation in laboratory animals according to claim 4, characterized in that, Anti-slip pads (39) are fixedly installed on the opposite ends of the two sets of limiting plates (34), and the anti-slip pads (39) are in contact with the outer surface of the rigid tube (30).
6. The structure for bile duct cannulation in laboratory animals according to claim 1, characterized in that, Also includes: A fixation component for fixing the first cannula (10) to the experimental animal, and the fixation component is located at one end of the first cannula (10).
7. The structure for bile duct cannulation in laboratory animals according to claim 6, characterized in that, The fixing component includes: Medical gauze (40), said medical gauze (40) is fixedly installed on one end of the first cannula (10); The first cloth strip (41) is fixedly installed on one end of the medical gauze (40); Hook and loop fastener (42) is fixedly installed on one side of the first fabric tape (41).
8. The structure for bile duct cannulation in laboratory animals according to claim 7, characterized in that, The fixing component also includes: The second cloth strip (43) is fixedly installed on the other end of the medical gauze (40); The hook and loop side (44) is fixedly installed on one side of the second fabric tape (43), and the hook and loop side (44) and the hook and loop side (41) can be bonded together.