Carpal canal channel device assembly

Abstract

The utility model discloses a carpal canal channel device assembly which comprises a channel tube, a window closing tube and a needle core, and the window closing tube and the needle core can be respectively inserted into the channel tube and move in the channel tube. The channel pipe comprises a channel pipe body, a first through groove is formed in the side face of the channel pipe body, and an observation window is arranged on the side, away from the first through groove, of the channel pipe body. The window closing pipe comprises a window closing pipe body, and a second through groove is formed in the side face of the window closing pipe body. The needle core comprises a needle core body, and a bullet-shaped needle head is arranged at the front end of the needle core body. Compared with the prior art, the needle has the advantages that the needle is reasonable in structure, easy and convenient to operate, safe and reliable, the observation effect on median nerves and surrounding ligaments is improved through matching of the channel tube, the window closing tube and the needle core, and therefore accuracy and stability of surgical operation are achieved, and surgical efficiency and success rate are improved. Meanwhile, through optimization design and size adjustment, the assembly better conforms to ergonomics, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a carpal tunnel channel device component. Background Art

[0002] In clinical medicine, carpal tunnel surgery is a common type of surgery, during which precise and stable surgical tools are required to assist doctors in performing the surgery.

[0003] Traditional surgical tools often have problems such as inconvenient operation and inaccurate positioning. In addition, during the operation, due to the lack of a suitable surgical field, the median nerve cannot be accurately observed, which can easily lead to damage to peripheral nerves and ligaments, increasing the risk of injury.

[0004] Therefore, developing a new type of carpal tunnel channel component has important practical value. Utility Model Content

[0005] The utility model aims to solve the problems mentioned in the background technology and provides a carpal tunnel channel device component.

[0006] In order to solve the above technical problems, the utility model provides a technical solution: a carpal tunnel channel device assembly, comprising a channel tube, a closed window tube, and a needle core, wherein the closed window tube and the needle core can be respectively inserted into the channel tube and moved in the channel tube;

[0007] The channel tube comprises a channel tube body, a first through groove is provided on the side of the channel tube body, an observation window is provided on the side of the channel tube body away from the first through groove, an annular channel tube gripping portion is provided at the rear end of the channel tube body, the front end of the channel tube body is designed with an inclined slope, and the outer diameter of the channel tube gripping portion is larger than the outer diameter of the channel tube body;

[0008] The window-closing tube comprises a window-closing tube body, a second through groove is provided on the side of the window-closing tube body, a window-closing tube holding portion is provided at the rear end of the window-closing tube, and the outer diameter of the window-closing tube holding portion is larger than the outer diameter of the window-closing tube body;

[0009] The needle core comprises a needle core body, a bullet-shaped needle head is arranged at the front end of the needle core body, and a needle core holding portion is arranged at the rear end of the needle core body, and the outer diameter of the needle core holding portion is larger than the outer diameter of the needle core body.

[0010] As a preferred solution, the outer diameter of the needle core body is the same as the outer diameter of the closed window tube body, and both are smaller than the inner diameter of the channel tube body.

[0011] As a preferred solution, the channel tube body is 7.5 cm long, 6 mm in outer diameter, 4.5 mm in inner diameter, and 1.5 mm in thickness. The channel tube grip length is 1 cm, and the observation window size is 35 mm*3 mm.

[0012] As a preferred solution, the closed window tube body is 6 cm long, 4.4 mm in outer diameter, 3.5 mm in inner diameter, and 0.9 mm in thickness, and the closed window tube grip length is 1 cm.

[0013] As a preferred embodiment, the needle core body is 8.5 cm long and 4.4 mm in diameter, the needle head is 5 mm long, and the needle core grip is 1 cm long.

[0014] As a preferred solution, the outer sides of the channel tube gripping portion, the window-closed tube gripping portion, and the needle core gripping portion are all provided with anti-slip grooves.

[0015] Compared with the prior art, the utility model has the advantages of reasonable structure, simple operation, safety and reliability. Through the cooperation of the channel tube, the closed window tube and the needle core, the observation effect of the median nerve and the surrounding ligaments is improved, thereby achieving the accuracy and stability of the surgical operation, and improving the surgical efficiency and success rate. At the same time, through the optimization of design and size adjustment, the components are more ergonomic and the operation is more convenient. It is suitable for various medical operations, especially minimally invasive surgery, and can effectively improve the efficiency and safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the channel pipe of the utility model.

[0017] Figure 2 It is a front view of the channel pipe of the utility model.

[0018] Figure 3 It is a rear view of the channel pipe of the utility model.

[0019] Figure 4 It is a side view of the channel pipe of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the window-closing tube of the utility model.

[0021] Figure 6 It is a structural schematic diagram of the needle core of the utility model.

[0022] Figure 7 This is a diagram showing the use state of the utility model when the closed window tube is inserted into the channel tube.

[0023] Figure 8 This is a diagram showing the use state of the needle core of the utility model being inserted into a channel tube.

[0024] As shown in the figure: 1. channel tube, 2. closed window tube, 3. needle core, 101. channel tube body, 102. first through groove, 103. observation window, 104. channel tube holding part, 201. closed window tube body, 202. second through groove, 203. closed window tube holding part, 301. needle core body, 302. needle head, 303. needle core holding part. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the embodiments of the present invention, "multiple" means at least 2.

[0029] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] In conjunction with the accompanying drawings, a carpal tunnel channel device assembly includes a channel tube 1, a closed window tube 2, and a needle core 3. The closed window tube 2 and the needle core 3 can be respectively inserted into the channel tube 1 and moved in the channel tube 1;

[0031] The channel tube 1 comprises a channel tube body 101, a first through groove 102 is provided on the side of the channel tube body 101, an observation window 103 is provided on the side of the channel tube body 101 away from the first through groove 102, an annular channel tube gripping portion 104 is provided at the rear end of the channel tube body 101, the front end of the channel tube body 101 is designed with an inclined slope, and the outer diameter of the channel tube gripping portion 104 is larger than the outer diameter of the channel tube body 101;

[0032] The window-closing tube 2 comprises a window-closing tube body 201, a second through groove 202 is provided on the side of the window-closing tube body 201, and a window-closing tube gripping portion 203 is provided at the rear end of the window-closing tube 2, and the outer diameter of the window-closing tube gripping portion 203 is larger than the outer diameter of the window-closing tube body 201;

[0033] The needle core 3 comprises a needle core body 301 , a bullet-shaped needle head 302 is disposed at the front end of the needle core body 301 , and a needle core gripping portion 303 is disposed at the rear end of the needle core body 301 . The outer diameter of the needle core gripping portion 303 is greater than the outer diameter of the needle core body 301 .

[0034] The outer diameter of the needle core body 301 is the same as the outer diameter of the closed window tube body 201 , and both are smaller than the inner diameter of the channel tube body 101 .

[0035] The channel tube body 101 is 7.5 cm long, 6 mm in outer diameter, 4.5 mm in inner diameter, and 1.5 mm in thickness. The channel tube gripping portion 104 is 1 cm long, and the observation window 103 has a size of 35 mm*3 mm.

[0036] The closed window tube body 201 is 6 cm long, has an outer diameter of 4.4 mm, an inner diameter of 3.5 mm, and a thickness of 0.9 mm. The closed window tube gripping portion 203 is 1 cm long.

[0037] The needle core body 301 is 8.5 cm long and 4.4 mm in diameter, the needle head 302 is 5 mm long, and the needle core gripping portion 303 is 1 cm long.

[0038] The outer sides of the channel tube holding portion 104 , the window-closed tube holding portion 203 , and the needle core holding portion 303 are all provided with anti-slip grooves.

[0039] During the specific implementation of the utility model, the needle core is inserted into the channel tube to form a wrist joint channel device, and then the needle core is pulled out, and the joint is observed through the observation window on the channel tube in conjunction with an arthroscope, at which time both the median nerve and the surrounding ligaments can be seen, which can play a role in determining the position and the operating environment; then the closed window tube is inserted and rotated to make the second through slot and the first through slot in a suitable operating position, and the operation is performed, and the first through slot and the second through slot cooperate to block the nerve, thereby preventing the hook knife from injuring the nerve during the operation.

[0040] The above describes the utility model and its implementation methods, which are not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and do not deviate from the purpose of the invention of the utility model, they can creatively design a structure and embodiment similar to the technical solution, which should belong to the protection scope of the utility model.

Claims

1. A carpal tunnel access device assembly, characterized in that: It includes a channel tube, a window-closing tube, and a needle core, wherein the window-closing tube and the needle core can be respectively inserted into the channel tube and move in the channel tube; The channel tube comprises a channel tube body, a first through groove is provided on the side of the channel tube body, an observation window is provided on the side of the channel tube body away from the first through groove, an annular channel tube gripping portion is provided at the rear end of the channel tube body, the front end of the channel tube body is designed with an inclined slope, and the outer diameter of the channel tube gripping portion is larger than the outer diameter of the channel tube body; The window-closing tube comprises a window-closing tube body, a second through groove is provided on the side of the window-closing tube body, a window-closing tube holding portion is provided at the rear end of the window-closing tube, and the outer diameter of the window-closing tube holding portion is larger than the outer diameter of the window-closing tube body; The needle core comprises a needle core body, a bullet-shaped needle head is arranged at the front end of the needle core body, and a needle core holding portion is arranged at the rear end of the needle core body, and the outer diameter of the needle core holding portion is greater than the outer diameter of the needle core body.

2. A carpal tunnel access device assembly according to claim 1, characterized in that: The outer diameter of the needle core body is the same as the outer diameter of the closed window tube body, and both are smaller than the inner diameter of the channel tube body.

3. A carpal tunnel access device assembly according to claim 2, characterized in that: The channel tube body is 7.5 cm long, 6 mm in outer diameter, 4.5 mm in inner diameter, and 1.5 mm in thickness. The channel tube grip length is 1 cm, and the observation window size is 35 mm*3 mm.

4. A carpal tunnel access device assembly according to claim 2, characterized in that: The closed window tube body is 6 cm long, 4.4 mm in outer diameter, 3.5 mm in inner diameter, and 0.9 mm in thickness, and the closed window tube grip length is 1 cm.

5. The carpal tunnel access device assembly according to claim 2, characterized in that: The needle core body is 8.5 cm long and 4.4 mm in diameter, the needle head is 5 mm long, and the needle core grip is 1 cm long.

6. The carpal tunnel access device assembly according to claim 1, characterized in that: The outer sides of the channel tube holding part, the window-closed tube holding part and the needle core holding part are all provided with anti-slip patterns.

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