Nerve conduit with guiding function

Abstract

The utility model relates to the technical field of medical instruments, and provides a nerve conduit with a guiding function, which comprises a conduit main body, a first channel is arranged at the edge of the bottom surface of the conduit main body, a second channel is arranged at the other edge of the bottom surface of the conduit main body, and a first guiding component is movably inserted into the inner side of the first channel. The first guiding assembly comprises a guiding pipe, a guiding cylinder is fixed to the lower end of the guiding pipe, filtering holes are formed in the outer wall of the guiding cylinder, a connecting pipe is fixed to the outer wall of the upper end of the guiding pipe, a moving rod is fixed to the top end of the guiding pipe, a fixing shaft is fixed to the middle of the top face of the moving rod, and the outer side of the fixing shaft is movably sleeved with a threaded column. The first guide assembly and the second guide assembly can be used as a drug delivery assembly and a drainage assembly respectively, the operation of drug delivery and drainage can be completed without pulling, inserting and replacing the catheter, the pain of a patient can be relieved, and a doctor can operate and use the catheter conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a nerve conduit with guiding function. BACKGROUND

[0002] The nervous system can be divided into central and peripheral nervous system, and its function is to regulate and control the common activity of each system in the human body, so that the organism becomes a complete unity. With the current production automation and the degree of traffic mechanization greatly improved, the incidence of peripheral nervous system injury is increasing. In daily life, various mechanical injuries, chemical drugs, ischemia, and tumors and other reasons will cause peripheral nerve injury. The limb dysfunction caused by peripheral nerve injury will seriously affect the quality of life of patients; therefore, the repair, regeneration and functional recovery after peripheral nerve injury have been the focus of research in related disciplines such as nerve.

[0003] When treating patients, sometimes a nerve conduit is needed to reach the diseased area for drug delivery, drainage and other operations in order to reduce the trauma surface. However, the nerve conduit currently used mostly only has one of the functions of drug delivery or drainage. After the drainage of effusion is completed, the catheter needs to be replaced, and then the drug delivery operation is performed. This not only reduces the efficiency of treatment, but also increases a lot of pain for the patient due to multiple catheterization and extubation actions.

[0004] Therefore, a nerve conduit with guiding function is needed, which can integrate the functions of drug delivery and drainage together, without the need to replace the catheter, improve the treatment efficiency, and reduce the pain of the patient. SUMMARY

[0005] In order to solve the above problems, the utility model provides a nerve conduit with guiding function, which integrates the functions of drug delivery and drainage, which is convenient for the doctor's treatment work and also helps to reduce the pain of the patient.

[0006] To achieve the above purpose, the utility model provides the following specific solutions:

[0007] A guiding nerve conduit includes a conduit body, a first channel on one side of the bottom surface of the conduit body, a second channel on the other side of the bottom surface of the conduit body, an internally threaded cylinder fixed to the bottom surface of the conduit body, a guide head threadedly connected to the inner side of the internally threaded cylinder, a filter groove on the outer wall of the guide head, an adjusting cylinder fixed to the top surface of the conduit body, the first channel and the second channel both communicating with the inner side of the adjusting cylinder, symmetrically provided moving grooves on the outer wall of the adjusting cylinder, symmetrically provided moving holes on the top surface of the inner side of the adjusting cylinder, the upper end of the moving holes being connected to a threaded groove, a first guiding assembly movably inserted into the inner side of the first channel, the first guiding assembly including a guide tube, a guide cylinder, a connecting tube, and a moving... The guide tube is movably inserted into the inner side of the first channel. A guide cylinder is fixed at the lower end of the guide tube and is located inside the guide head. The outer wall of the guide cylinder is provided with filter holes. A connecting tube is fixed at the upper outer wall of the guide tube and passes through the moving groove. A moving rod is fixed at the top of the guide tube and its upper end is movably inserted into the inner side of the moving hole. A fixed shaft is fixed at the middle of the top surface of the moving rod. A threaded column is movably sleeved on the outer side of the fixed shaft and threadedly connected to the inner side of the threaded groove. A second guide assembly is movably inserted into the inner side of the second channel. The second guide assembly has the same structure as the first guide assembly and is symmetrically arranged with the first guide assembly.

[0008] As a preferred technical solution of the present invention for a nerve conduit with guiding function, the threaded column has a rotating hole in the middle of its top surface, and the fixed shaft is movably sleeved inside the rotating hole.

[0009] As a preferred technical solution of the present invention for a nerve conduit with guiding function, a limiting block is fixed at the top of the fixed shaft, and the limiting block is located above the threaded column.

[0010] As a preferred technical solution of the present invention for a nerve conduit with guiding function, a handle is fixed on the top surface of the threaded column, and the handle is located outside the limiting block.

[0011] As a preferred technical solution of the present invention for a nerve conduit with guiding function, the lower end of the moving rod is fixed with a fixing plate, and the fixing plate is fixedly connected to the top end of the guiding tube.

[0012] As a preferred technical solution of the present invention for a nerve conduit with guiding function, a spring is movably sleeved on the outside of the moving rod, the lower end of the spring is fixed to the top surface of the fixed plate, and the top end of the spring is fixedly connected to the inner wall of the adjusting cylinder.

[0013] As a preferred technical solution of the present invention for a nerve conduit with guiding function, an external threaded cylinder is fixed on the top surface of the guide head, and the external threaded cylinder is threadedly connected to the inner side of the internal threaded cylinder.

[0014] As a preferred technical solution of the nerve conduit with guiding function of this utility model, the filter groove and filter hole are provided in multiple ways.

[0015] Compared with existing technologies, this utility model has the following advantages:

[0016] The first guide component of this invention can be used for draining effusion, while the second guide component can be used for delivering medication (conversely, the first guide component can be used to deliver medication, and the second guide component can be used to drain effusion). After the catheter body is inserted into the patient's affected area, the threaded post of the first guide component is moved by pushing the handle, and the threaded post is screwed into the inner side of the threaded groove. At this time, the guide tube of the first guide component extends out of the first channel and is located inside the guide head. The doctor can drain the effusion from the affected area out of the patient's body through the connecting tube of the first guide component. After the drainage is completed, the threaded post is screwed out of the inner side of the threaded groove. Under the pull of the spring, the guide tube moves into the inner side of the first channel. The above operation is repeated to move the guide tube of the second guide component out of the first channel, and medication can be delivered through the connecting tube of the second guide component. This solution can complete both drainage and medication treatment operations with only one intubation, avoiding multiple intubations, stimulating the patient's nerves, and greatly reducing the patient's pain. Attached Figure Description

[0017] To better describe the technical solution of this utility model in detail, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a three-dimensional view of the overall structure provided by this utility model;

[0019] Figure 2 This is a three-dimensional sectional view of the present invention;

[0020] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle;

[0022] Figure 5 This utility model Figure 2 Enlarged diagram of point C in the middle.

[0023] In the diagram: 1. Conduit body; 11. First channel; 12. Second channel; 13. Internal threaded cylinder; 2. Adjusting cylinder; 21. Moving groove; 22. Moving hole; 23. Threaded groove; 3. Guide head; 31. Filter groove; 32. External threaded cylinder; 4. First guide assembly; 41. Guide tube; 42. Guide cylinder; 421. Filter hole; 43. Connecting tube; 44. Moving rod; 441. Fixed shaft; 442. Limiting block; 443. Fixed plate; 444. Spring; 45. Threaded column; 451. Rotating hole; 452. Handle; 5. Second guide assembly. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Example

[0026] Please see Figures 1-5 As shown, the present invention provides the following technical solution: a nerve conduit with guiding function, including a conduit body 1, a first channel 11 on the bottom edge of the conduit body 1, and a second channel 12 on the other side of the bottom edge of the conduit body 1. The first channel 11 and the second channel 12 of this solution provide space for the installation and movement of the first guiding component 4 and the second guiding component 5, respectively, so that the drainage and drug administration operations can be completed simultaneously.

[0027] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, specifically, a first guide assembly 4 is movably inserted into the inner side of the first channel 11 for drainage and drug administration. The first guide assembly 4 includes a guide tube 41, a guide cylinder 42, a connecting tube 43, a moving rod 44, and a threaded post 45. The guide tube 41 is movably inserted into the inner side of the first channel 11 and can be used to drain accumulated fluid or deliver drug solution. The guide cylinder 42 is fixed at the lower end of the guide tube 41 for absorbing accumulated fluid or discharging drug solution. The guide cylinder 42 is located inside the guide head 3, and the outer wall of the guide cylinder 42 is provided with a filter hole 421 for filtering any large particles that may be present to prevent pipe blockage. A connecting tube 43 is fixed to the outer wall of the upper end of the guide tube 41 for connecting to an external drainage device or drug delivery device. The connecting tube 43 passes through the moving groove 21. A moving rod 44 is fixed to the top end of the guide tube 41 for moving the guide tube 41. The upper end of the moving rod 44 is movably inserted into the inner side of the moving hole 22. A fixing plate 443 is fixed to the lower end of the moving rod 44 to block the upper end of the guide tube 41. The fixing plate 443 is fixedly connected to the top end of the guide tube 41. A spring 444 is movably sleeved on the outer side of the moving rod 44 to pull the guide tube 41 so that the guide tube 42 will not accidentally move into the inner side of the guide head 3. The lower end of the spring 444 is fixed. On the top surface of the fixed plate 443, the top end of the spring 444 is fixedly connected to the inner wall of the adjusting cylinder 2. A fixed shaft 441 is fixed in the middle of the top surface of the moving rod 44 for connecting the threaded column 45. The threaded column 45 is movably sleeved on the outside of the fixed shaft 441. When the threaded column 45 is screwed into the inner side of the threaded groove 23, it can fix the position of the guide cylinder 42. The threaded column 45 is threaded into the inner side of the threaded groove 23. A rotating hole 451 is provided in the middle of the top surface of the threaded column 45, so that the threaded column 45 can rotate. The fixed shaft 441 is movably sleeved in the inner side of the rotating hole 451. A limit block 442 is fixed at the top end of the fixed shaft 441 to prevent... The threaded column 45 is separated from the fixed shaft 441. The limiting block 442 is located above the threaded column 45. A handle 452 is fixed on the top surface of the threaded column 45 for rotating and moving the threaded column 45. The handle 452 is located outside the limiting block 442. A second guide assembly 5 is movably inserted into the inner side of the second channel 12. It can be used as a drainage or drug delivery assembly. The second guide assembly 5 has the same structure as the first guide assembly 4. The second guide assembly 5 and the first guide assembly 4 are symmetrically arranged. This solution can complete the drainage and drug delivery operation in one go without repeated insertion and removal of the catheter, which will not aggravate the patient's discomfort and facilitate the doctor's treatment operation.

[0028] Reference Figure 1 , Figure 2 and Figure 3As shown, specifically, an adjusting cylinder 2 is fixed on the top surface of the catheter body 1 to facilitate the adjustment and fixation of the first guiding component 4 and the second guiding component 5. The first channel 11 and the second channel 12 are both connected to the inner side of the adjusting cylinder 2. The outer wall of the adjusting cylinder 2 is symmetrically provided with a moving groove 21 to facilitate the movement of the connecting tube 43. The top surface of the inner side of the adjusting cylinder 2 is symmetrically provided with a moving hole 22 for the movement of the moving rod 44. The upper end of the moving hole 22 is connected to a threaded groove 23, and a threaded post 45 is connected to the inner side of the threaded groove 23 to fix the position of the guiding cylinder 42. This scheme utilizes the adjusting function of the adjusting cylinder 2 to facilitate the movement of the first guiding component 4 and the second guiding component 5, so that the drug administration and drainage operations will not interfere with each other and can be carried out in an orderly manner.

[0029] Reference Figure 1 , Figure 2 and Figure 5 As shown, specifically, the bottom surface of the catheter body 1 is fixed with an internally threaded cylinder 13 for connection to the externally threaded cylinder 32. The guide head 3 is threadedly connected to the inner side of the internally threaded cylinder 13. One end of the guide head 3 is hemispherical, which makes it easier to insert the guide head 3 into the patient's affected area without damaging human tissue. The top surface of the guide head 3 is fixed with an externally threaded cylinder 32 for fixing the guide head 3. The externally threaded cylinder 32 is threadedly connected to the inner side of the internally threaded cylinder 13. The outer wall of the guide head 3 is provided with a filter groove 31 to filter some large particles and prevent the pipe from being blocked. Multiple filter grooves 31 and filter holes 421 are provided. The guide head 3 of this solution can be disassembled, which is convenient for cleaning and replacement of the guide head 3 and extends the service life of the catheter.

[0030] The working principle and usage process of this utility model:

[0031] In use, if the first guide assembly 4 is used as a drainage device and the second guide assembly 5 is used as a drug delivery device, the connecting tube 43 of the first guide assembly 4 can be connected to an external drainage device, and the connecting tube 43 of the second guide assembly 5 can be connected to a syringe for delivering the drug solution. First, by pushing the threaded column 45 with the handle 452, the threaded column 45 will drive the moving rod 44, the connecting tube 43, the guide tube 41, and the guide tube 42 to move. When the threaded column 45 is screwed into the inner side of the threaded groove 23, the guide tube 42 is completely moved out of the inner side of the first channel 11 and located inside the guide head 3. The drainage device works, and the accumulated fluid in the patient's affected area is passed through the filter groove 31 on the outer wall of the guide head 3 and the guide tube. The filter hole 421 on the outer wall of 42 draws in the inner side of the guide tube 41 and discharges through the connecting tube 43. After the drainage is completed, the threaded post 45 is screwed out of the inner side of the threaded groove 23 by the handle 452. Under the elastic pull of the spring 444, the guide tube 41 drives the guide tube 42 to move into the inner side of the first channel 11. Then the above operation is repeated to screw the threaded post 45 on the second guide assembly 5 into the inner side of the threaded groove 23. The guide tube 42 moves out of the inner side of the first channel 11. The medicine is injected into the connecting tube 43 through the injection agent. The medicine flows into the inner side of the guide tube 42 through the connecting tube 43 and the guide tube 41, and then flows out through the filter hole 421. It then acts on the patient's affected area through the filter groove 31 for treatment.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A nerve conduit with guiding function, comprising a conduit body (1), characterized in that: The bottom edge of the catheter body (1) is provided with a first channel (11), and the other side of the bottom edge of the catheter body (1) is provided with a second channel (12). An internally threaded cylinder (13) is fixed to the bottom surface of the catheter body (1). A guide head (3) is threadedly connected to the inner side of the internally threaded cylinder (13). A filter groove (31) is provided on the outer wall of the guide head (3). An adjusting cylinder (2) is fixed to the top surface of the catheter body (1). Both the first channel (11) and the second channel (12) are connected to the adjusting cylinder (2). 2) The inner side is open, and the outer wall of the adjusting cylinder (2) is symmetrically provided with moving grooves (21). The top surface of the inner side of the adjusting cylinder (2) is symmetrically provided with moving holes (22). The upper end of the moving hole (22) is connected with a threaded groove (23). The first guide assembly (4) is movably inserted into the inner side of the first channel (11). The first guide assembly (4) includes a guide tube (41), a guide cylinder (42), a connecting tube (43), a moving rod (44), and a threaded column (45). The guide tube ( 41) The guide tube (41) is movably inserted into the inner side of the first channel (11). The lower end of the guide tube (41) is fixed with a guide cylinder (42). The guide cylinder (42) is located inside the guide head (3). The outer wall of the guide cylinder (42) is provided with a filter hole (421). The upper end of the guide tube (41) is fixed with a connecting tube (43). The connecting tube (43) passes through the moving groove (21). The top end of the guide tube (41) is fixed with a moving rod (44). The upper end of the moving rod (44) is movably inserted into the guide tube (41). Inside the movable hole (22), a fixed shaft (441) is fixed in the middle of the top surface of the movable rod (44). A threaded column (45) is movably sleeved on the outside of the fixed shaft (441). The threaded column (45) is threadedly connected to the inside of the threaded groove (23). A second guide assembly (5) is movably inserted into the inside of the second channel (12). The second guide assembly (5) has the same structure as the first guide assembly (4). The second guide assembly (5) and the first guide assembly (4) are symmetrically arranged.

2. A nerve conduit with guiding function according to claim 1, characterized in that: The threaded column (45) has a rotating hole (451) in the middle of its top surface, and the fixed shaft (441) is movably sleeved inside the rotating hole (451).

3. A nerve conduit with guiding function according to claim 2, characterized in that: A limiting block (442) is fixed at the top of the fixed shaft (441), and the limiting block (442) is located above the threaded column (45).

4. A nerve conduit with guiding function according to claim 3, characterized in that: A handle (452) is fixed on the top surface of the threaded column (45), and the handle (452) is located outside the limiting block (442).

5. A nerve conduit with guiding function according to claim 4, characterized in that: The lower end of the moving rod (44) is fixed with a fixing plate (443), which is fixedly connected to the top end of the guide tube (41).

6. A nerve conduit with guiding function according to claim 5, characterized in that: A spring (444) is movably sleeved on the outside of the moving rod (44). The lower end of the spring (444) is fixed on the top surface of the fixed plate (443), and the top end of the spring (444) is fixedly connected to the inner wall of the adjusting cylinder (2).

7. A nerve conduit with guiding function according to claim 6, characterized in that: The top surface of the guide head (3) is fixed with an external threaded cylinder (32), which is threadedly connected to the inside of the internal threaded cylinder (13).

8. A nerve conduit with guiding function according to claim 7, characterized in that: The filter tank (31) and filter holes (421) are provided in multiple quantities.

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