Neural dissection separating forceps

By designing a nerve anatomical separation forceps with arc-shaped elbows and C-shaped grooves, the problem of finding and isolating the recurrent laryngeal nerve in thyroid surgery is solved, and the effect of reducing nerve damage and improving vision is achieved.

CN222549284UActive Publication Date: 2025-03-04HUNAN QIANGSEN MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202420733871.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-04
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

In thyroid surgery, it is difficult for the prior art to quickly and safely find and separate the recurrent laryngeal nerve, which is prone to vascular damage and recurrent laryngeal nerve damage.

Method used

A neuroanatomical separation forceps are designed, including a scissor handle, a symmetrical arrangement of the forceps, a rotating assembly and a sliding device. The head of the clamp head is arc-shaped, smooth and teeth-free, and a C-shaped groove is set in the middle to provide a good field of view through the arc-shaped elbow, and can detect the strength of the nerve signal, and judge the nerve position through the prompt sound sent by the signal transmission.

Benefits of technology

This neural anatomical separation forcep reduces nerve damage, enhances the nerve signal contact surface, provides a good field of view, and can accurately detect the strength of nerve signals and avoid accidentally damaging the nerve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pair of nerve dissection separating forceps, and relates to the technical field of medical instruments. The number of the pincer heads is two, and the two pincer heads are symmetrically arranged; the rotating assembly is rotatably mounted at the front end of the row cutting handle and drives the tong head to rotate; the sliding device is installed in the rotating assembly in a sliding mode and penetrates through the rotating assembly to be connected with the row shearing handle, and the tong head is driven by the row shearing handle to do the action that the tong head is opened and closed; the head part of the forceps head is arc-shaped and is bent upwards to form an arc-shaped elbow, and the head part of the forceps head is smooth and toothless; the forceps heads are smooth and toothless, so that damage to nerves is reduced; the C-shaped groove is formed in the middle of the forceps head to enlarge the contact surface with nerves and enhance neural signals; a good visual field is provided through the arrangement of the arc-shaped elbow, the head is specially processed, and the strength of neural signals can be detected while separation is carried out.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a pair of neuroanatomical separation forceps. Background Art

[0002] The recurrent laryngeal nerve runs near the trachea and esophagus. Its search and separation have always been a bottleneck restricting the progress of thyroid surgery. Quickly finding the recurrent laryngeal nerve while avoiding damage to important organs such as the trachea and esophagus is the unremitting pursuit of every thyroid surgeon.

[0003] Currently, the method for finding and separating the recurrent laryngeal nerve during thyroid surgery is to use separation forceps to separate and search for it in the tracheoesophageal groove. Since the separation forceps block the field of vision, it is easy to cause blood vessel damage and bleeding. If the bleeding is stopped with blind clamping, it is more likely to cause damage to the recurrent laryngeal nerve. Utility Model Content

[0004] The utility model provides a neuroanatomical separation forceps to solve the problem that in the prior art, when performing thyroid surgery, the method of finding and separating the recurrent laryngeal nerve is to use the separation forceps to separate and search in the tracheoesophageal groove. Since the separation forceps block the field of vision, it is easy to cause blood vessel damage and bleeding. If the bleeding is stopped by blind clamping, it is more likely to cause recurrent laryngeal nerve damage.

[0005] The technical problem solved by the utility model is achieved by the following technical solutions:

[0006] A neuroanatomical separation forceps, comprising:

[0007] Shear handle;

[0008] The clamp heads are provided with two and are symmetrically arranged;

[0009] A rotating assembly, which is rotatably mounted on the front end of the shearing handle and drives the pliers head to rotate;

[0010] A sliding device, which is slidably mounted inside the rotating assembly and connected to the shearing handle through the rotating assembly, so that the pliers head can open and close under the drive of the shearing handle;

[0011] The head of the pliers head is arranged in an arc shape and is bent upward to form an arc-shaped elbow, and the head of the pliers head is smooth and has no teeth.

[0012] Optionally, the shear handle comprises:

[0013] fixed handle;

[0014] A movable handle, the movable handle being hinged to the rear side of the fixed handle through a hinge joint;

[0015] An orientation block, which is fixed on the top of the fixed handle and limits the rotation angle of the fixed handle;

[0016] A little finger rest, the little finger rest being fixed at the bottom of the fixed handle;

[0017] The power connection head is fixed on the top of the orientation block.

[0018] Optionally, a C-shaped groove is provided on one side adjacent to the two pliers heads, and when the two pliers heads are in contact, the C-shaped grooves are spliced ​​into an O-shape.

[0019] Optionally, a hinge plate is fixedly mounted on one end of the two pliers heads close to the sliding device, and the two hinge plates are hinged to the head of the rotating assembly.

[0020] Optionally, the rotating assembly includes:

[0021] A steering head, the steering head being rotatably buckled on the front end of the directional block;

[0022] An extension pipe, wherein the extension pipe is fixed to the steering head;

[0023] A positioning groove, the positioning groove is provided at the front end of the extension tube;

[0024] A socket joint is detachably fixed to the front end of the extension tube.

[0025] Optionally, the socket includes:

[0026] A plug connector, which is plugged into the interior of the extension tube and is hinged to the two hinge plates;

[0027] A positioning protrusion, which is fixed on the outside of the plug connector and inserted into the inside of the positioning groove;

[0028] A guide groove is provided in the middle of the plug connector.

[0029] Optionally, the sliding device includes:

[0030] A sliding head, the sliding head can be slidably inserted into the interior of the guide groove;

[0031] An inner rod, which is rotatably mounted on the rear side of the sliding head and inserted into the movable handle through the extension tube and the orientation block;

[0032] The articulated arms are provided with two, and the two ends are respectively articulated with the sliding head and the articulated plate.

[0033] The beneficial effects of the utility model are:

[0034] The forceps head is smooth and has no teeth, which reduces damage to the nerves;

[0035] A C-shaped groove is set in the middle of the clamp head to increase the contact surface with the nerve and enhance the nerve signal;

[0036] The arc-shaped elbow provides a good field of view, and the special treatment of the head allows the strength of nerve signals to be detected during separation. The distance to the nerve can be determined through the prompt sound emitted by signal transmission to avoid accidental injury to the nerve. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0038] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0039] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0040] Figure 3 This is a schematic diagram of the structure of the shear handle of the utility model;

[0041] Figure 4 This is a schematic diagram of the socket structure of the utility model;

[0042] Figure 5 It is a schematic diagram of the structure of the sliding device of the utility model.

[0043] In the figure: 100, shearing handle; 110, fixed handle; 120, movable handle; 130, directional block; 140, little finger rest; 150, power connection head;

[0044] 200, clamp head; 210, arc elbow; 220, C-shaped groove; 230, hinge plate;

[0045] 300, rotating assembly; 310, steering head; 320, extension tube; 330, positioning groove; 340, socket joint; 341, plug joint; 342, positioning protrusion; 343, guide groove;

[0046] 400, sliding device; 410, sliding head; 420, inner rod; 430, articulated arm. DETAILED DESCRIPTION

[0047] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0048] Reference Figure 1-5 A neuroanatomical separation forceps is shown, comprising:

[0049] Shearing handle 100;

[0050] The clamp head 200 is provided with two clamp heads 200 and is symmetrically arranged;

[0051] The rotating assembly 300 is rotatably mounted on the front end of the shearing handle 100 and drives the pliers head 200 to rotate;

[0052] The sliding device 400 is slidably installed inside the rotating assembly 300, and is connected to the shearing handle 100 through the rotating assembly 300, so that the pliers head 200 can open and close under the drive of the shearing handle 100;

[0053] The head of the pliers head 200 is configured to be arc-shaped and is bent upward to form an arc-shaped elbow 210 , and the head of the pliers head 200 is smooth and has no teeth.

[0054] The arc-shaped elbow 210 provides a good field of view, and the head is specially processed to detect the strength of nerve signals during separation, and the distance to the nerve is determined by the prompt sound emitted by the signal transmission, so as to avoid accidental injury to the nerve.

[0055] The clamp head 200 is configured to clamp the nerve and can be opened to facilitate movement of the human nerve between the two.

[0056] In some embodiments of the present invention, referring to Figure 3 As shown, the trimmer handle 100 includes:

[0057] Fixed handle 110;

[0058] A movable handle 120, the movable handle 120 is hinged to the rear side of the fixed handle 110 through a hinge joint;

[0059] An orientation block 130, which is fixed to the top of the fixed handle 110 and limits the rotation angle of the fixed handle 110;

[0060] A little finger rest 140 , wherein the little finger rest 140 is fixed to the bottom of the fixed handle 110 ;

[0061] The power connection head 150 is detachably fixed on the top of the orientation block 130 .

[0062] The sliding device 400 is pulled or pushed by rotating the movable handle 120, so that the sliding device 400 can slide and drive the two clamp heads 200 to close or open, and a strip groove is provided on the movable handle 120;

[0063] A coil spring may be provided at the hinge of the movable handle 120 and the fixed handle 110 , or a torsion spring may be provided between the movable handle 120 and the fixed handle 110 , so as to open when the movable handle 120 is not subjected to force.

[0064] In some embodiments of the present invention, referring to Figure 4 and Figure 5 As shown, a C-shaped groove 220 is formed on one side of the two adjacent clamp heads 200 , and when the two clamp heads 200 are in contact, the C-shaped groove 220 will be spliced ​​into an O-shape.

[0065] Among them, the clamp head 200 is smooth and has no teeth, which reduces damage to nerves;

[0066] A C-shaped groove 220 is provided in the middle of the clamp head 200 to increase the contact surface with the human nerves and enhance the nerve signals.

[0067] In some embodiments of the present invention, referring to Figure 4 and Figure 5 As shown, a hinge plate 230 is fixedly mounted on one end of the two pliers heads 200 close to the sliding device 400 , and the two hinge plates 230 are hinged to the head of the rotating assembly 300 .

[0068] Among them, the hinged plate 230 is connected to the rotating assembly 300 to position the rotation center of the rotating assembly 300 and the two pliers 200. At the same time, the sliding range of the sliding device 400 can be limited, and the two pliers 200 can be opened or closed under the drive of the rotating assembly 300.

[0069] In some embodiments of the present invention, referring to Figure 3 He Ru Figure 4 As shown, the rotating assembly 300 includes:

[0070] A steering head 310, the steering head 310 is rotatably buckled on the front end of the orientation block 130;

[0071] An extension tube 320, the extension tube 320 is detachably fixed on the steering head 310;

[0072] A positioning groove 330, which is formed at the front end of the extension tube 320;

[0073] The socket joint 340 is detachably fixed to the front end of the extension tube 320 .

[0074] The setting of the steering head 310 facilitates the medical staff to drive the extension tube 320 to rotate, and the extension tube 320 drives the forceps head 200 to rotate 360°;

[0075] The extension tube 320 guides the sliding of the sliding device 400 , thereby preventing the sliding device 400 from being deflected by external force.

[0076] In some embodiments of the present invention, referring to Figure 4 As shown, the socket 340 includes:

[0077] A plug connector 341, which is plugged into the extension tube 320 and hinged to the two hinge plates 230;

[0078] A positioning protrusion 342, which is fixed to the outside of the plug connector 341 and inserted into the inside of the positioning groove 330;

[0079] The guide groove 343 is provided in the middle of the plug connector 341 .

[0080] The plug connector 341 is fixed inside the extension tube 320, and the positioning protrusion 342 and the positioning groove 330 are matched to rotate the plug connector 341 and the extension tube 320 synchronously, so that the plug connector 341 can drive the pliers head 200 to rotate;

[0081] The setting of the guide groove 343 provides space for the installation and sliding of the sliding device 400, so that the sliding device 400 can be adjusted normally.

[0082] In some embodiments of the present invention, referring to Figure 5 As shown, the sliding device 400 includes:

[0083] A sliding head 410, the sliding head 410 can be slidably inserted into the interior of the guide groove 343;

[0084] An inner rod 420, which is rotatably mounted on the rear side of the sliding head 410 and is inserted into the movable handle 120 through the extension tube 320 and the orientation block 130;

[0085] The articulated arms 430 are provided with two, and both ends are respectively hinged to the sliding head 410 and the articulated plate 230 .

[0086] The sliding head 410 drives the articulated arm 430 to swing, so that the articulated arm 430 drives the two clamp heads 200 to open or close through the articulated plate 230;

[0087] The inner rod 420 is connected to the movable handle 120 , and the connection position between the inner rod 420 and the movable handle 120 is spherical and inserted into the strip groove, and slides along the strip groove when the movable handle 120 rotates.

[0088] Working method of the utility model:

[0089] When the two clamp heads 200 are closed, a clamping force is applied to the movable handle 120, so that the movable handle 120 rotates and drives the coil spring or torsion spring to store force. When the movable handle 120 rotates, it pulls the inner rod 420, so that the inner rod 420 drives the sliding head 410 to move, so that the sliding head 410 drives the hinge plate 230 to rotate through the hinge arm 430, so that the hinge plate 230 drives the two clamp heads 200 to rotate to clamp the human nerve.

[0090] When the pliers heads 200 are opened, the external force on the movable handle 120 is released, and the coil spring or torsion spring drives the movable handle 120 to open, so that the movable handle 120 pushes the sliding head 410 to move through the inner rod 420, so that the sliding head 410 drives the hinge plate 230 through the hinge arm 430, so that the hinge plate 230 drives the two pliers heads 200 to open;

[0091] When the pliers head 200 needs to be adjusted axially, an external force is applied to the steering head 310 so that the steering head 310 drives the plug connector 341 to rotate through the extension tube 320 , and the plug connector 341 drives the pliers head 200 to rotate.

[0092] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A neuroanatomical separation forceps, characterized in that: include: Shear handle (100); A clamp head (200), wherein two clamp heads (200) are provided and are symmetrically arranged; A rotating assembly (300), the rotating assembly (300) is rotatably mounted on the front end of the shearing handle (100) and drives the pliers head (200) to rotate; A sliding device (400), wherein the sliding device (400) is slidably mounted inside the rotating assembly (300), passes through the rotating assembly (300) and is connected to the shearing handle (100), so that the pliers head (200) can open and close under the drive of the shearing handle (100); The head of the pliers head (200) is arranged in an arc shape and is bent upward to form an arc-shaped elbow (210), and the head of the pliers head (200) is smooth and has no teeth.

2. A neuroanatomical separation forceps according to claim 1, characterized in that: The trimmer handle (100) comprises: fixed handle(110); A movable handle (120), wherein the movable handle (120) is hinged to the rear side of the fixed handle (110) via a hinge joint; An orientation block (130), wherein the orientation block (130) is fixed to the top of the fixed handle (110) and limits the rotation angle of the fixed handle (110); A little finger rest (140), wherein the little finger rest (140) is fixed to the bottom of the fixed handle (110); The power connection head (150) is fixed on the top of the orientation block (130).

3. A neuroanatomical separation forceps according to claim 1, characterized in that: A C-shaped groove (220) is provided on one adjacent side of the two clamp heads (200), and when the two clamp heads (200) are in contact, the C-shaped groove (220) is spliced ​​into an O-shape.

4. The neuroanatomical separation forceps according to claim 1, characterized in that: A hinge plate (230) is fixedly mounted on one end of the two pliers heads (200) close to the sliding device (400), and the two hinge plates (230) are hinged to the head of the rotating assembly (300).

5. The neuroanatomical separation forceps according to claim 1, characterized in that: The rotating assembly (300) comprises: A steering head (310), wherein the steering head (310) is rotatably engaged with a front end of the orientation block (130); An extension tube (320), wherein the extension tube (320) is fixed on the steering head (310); A positioning groove (330), wherein the positioning groove (330) is provided at the front end of the extension tube (320); A socket joint (340) is detachably fixed to the front end of the extension tube (320).

6. A neuroanatomical separation forceps according to claim 5, characterized in that: The socket (340) comprises: A plug connector (341), the plug connector (341) is plugged into the interior of the extension tube (320) and is hinged to the two hinge plates (230); A positioning protrusion (342), wherein the positioning protrusion (342) is fixed to the outside of the plug connector (341) and inserted into the inside of the positioning groove (330); A guide groove (343) is provided in the middle of the plug connector (341).

7. The neuroanatomical separation forceps according to claim 1, characterized in that: The sliding device (400) comprises: A sliding head (410), wherein the sliding head (410) can be slidably inserted into the interior of the guide groove (343); An inner rod (420), the inner rod (420) is rotatably mounted on the rear side of the sliding head (410), and is inserted into the movable handle (120) through the extension tube (320) and the orientation block (130); The hinged arm (430) is provided with two hinged arms (430), and the two ends are respectively hinged to the sliding head (410) and the hinged plate (230).