Miniature recurrent laryngeal nerve stripping tool for endoscopic thyroid surgery

Abstract

The utility model discloses a miniature recurrent laryngeal nerve stripping tool for an endoscopic thyroid surgery. The miniature recurrent laryngeal nerve stripping tool comprises a needle-shaped sheath, an upper rod body is installed in the needle-shaped sheath, a lower rod body is installed on the lower side of the upper rod body, a head end is installed on the lower side of the lower rod body, a tail is arranged on the upper side of the upper rod body, the lower rod body and the head end can both penetrate through the needle-shaped sheath, the lower end of the needle-shaped sheath is an inclined face port, and a first thread groove is formed in the upper end of the outer side of the lower rod body. And the lower end of the interior of the upper rod body is in threaded connection with the threaded groove I. According to the miniature recurrent laryngeal nerve stripping tool for the endoscopic thyroid surgery, in the endoscopic thyroid surgery process, the miniature recurrent laryngeal nerve stripping tool is directly implanted from the epidermis of a neck surgery area, the nerve exposure channel path is short, and the problem that recurrent laryngeal nerves are difficult to expose is solved; the process is carried out through a neck minimally invasive approach, an operation channel of a conventional Trocar is not occupied, an auxiliary channel on the basis of a conventional channel can be achieved, the structure is simple, and use is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to endoscope thyroid surgery technical field, specifically for a kind of micro laryngeal recurrent nerve stripping tool for endoscope thyroid surgery. BACKGROUND

[0002] In recent years, with the development of economic society, social psychological factors and bad living habits gradually affect people's health, the incidence of thyroid tumor increases year by year, endoscope thyroid surgery is the current popular operation mode due to its cosmetic and minimally invasive advantages, laryngeal recurrent nerve is the important nerve that controls the voice pronunciation by governing laryngeal muscle movement, and its damage can cause hoarseness or breathing difficulty of patient, therefore, in endoscope thyroid surgery, the exposure and protection of laryngeal recurrent nerve are particularly important, the commonly used method is to use laryngeal recurrent nerve monitoring system to protect nerve function, but in specific operation process, it is often difficult to expose nerve under endoscope and time-consuming, and many nerve exposure instruments need to be inserted through the channel of trocar puncture device, the path is long and needs to occupy the operating instrument channel of main operator, which is not conducive to surgical cooperation operation, therefore, it is very important to find a quick and effective laryngeal recurrent nerve exposure instrument under endoscope which is conducive to surgical cooperation. SUMMARY

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides a micro laryngeal recurrent nerve stripping tool for endoscope thyroid surgery, which is directly inserted from the skin of the neck operation area during endoscope thyroid surgery, the nerve exposure channel has a short path, and the difficulty in exposing the laryngeal recurrent nerve is solved, the process is performed through a minimally invasive approach in the neck, does not occupy the operating channel of the conventional trocar, can realize an auxiliary channel based on the conventional channel, has a simple structure, is convenient to use, and can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a micro laryngeal recurrent nerve stripping tool for endoscope thyroid surgery, comprising a needle-shaped outer sheath;

[0005] The needle-shaped outer sheath has an upper rod body installed therein, a lower rod body installed on the lower side of the upper rod body, and a head end installed on the lower side of the lower rod body, the upper side of the upper rod body is provided with a tail part, the lower rod body and the head end can pass through the needle-shaped outer sheath, and the lower end of the needle-shaped outer sheath is a beveled port, the micro laryngeal recurrent nerve stripping tool is directly inserted from the skin of the neck operation area during endoscope thyroid surgery, the nerve exposure channel has a short path, the difficulty in exposing the laryngeal recurrent nerve is solved, the process is performed through a minimally invasive approach in the neck, does not occupy the operating channel of the conventional trocar, can realize an auxiliary channel based on the conventional channel, has a simple structure, and is convenient to use.

[0006] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0007] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0008] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0009] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0010] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0011] Further, the outer side of the tail is provided with evenly distributed anti-skid lines, by increasing the contact friction, avoiding the sliding phenomenon between the hands of the surgical personnel and the tail of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery.

[0012] Compared with the prior art, the micro recurrent laryngeal nerve stripping tool for endoscopic thyroid surgery has the following advantages:

[0013] During the endoscopic thyroid surgery, the needle-shaped sheath, the upper rod body, the lower rod body, the tail, the rubber piston ring and the head end are used, so that the micro recurrent laryngeal nerve stripping tool is directly placed into the skin of the neck operation area, the nerve exposure channel path is short, the exposure difficulty of the recurrent laryngeal nerve is solved, the process is through the minimally invasive approach of the neck, does not occupy the operation channel of the conventional Trocar, can realize the auxiliary channel based on the conventional channel, and has the advantages of simple structure and convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the utility model;

[0015] Fig. 2 It is a split structure schematic view of the utility model;

[0016] Fig. 3 Figure is the rod body connecting part section structure schematic view of the utility model.

[0017] In the figure: 1 needle-like sheath, 2 upper rod body, 3 lower rod body, 4 tail, 5 anti-skid line, 6 wrapping cylinder, 7 rubber piston ring, 8 head end. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a micro recurrent laryngeal nerve stripping tool for endoscopic thyroid surgery, which comprises a needle-like sheath 1;

[0020] The needle-shaped outer sheath 1 is internally provided with an upper rod body 2, the lower side of the upper rod body 2 is provided with a lower rod body 3, the lower side of the lower rod body 3 is provided with a head end 8, the upper side of the upper rod body 2 is provided with a tail part 4, the lower rod body 3 and the head end 8 can pass through the needle-shaped outer sheath 1, the lower end of the needle-shaped outer sheath 1 is a beveled port, the outer side of the upper end of the lower rod body 3 is provided with a threaded groove one, the inner lower end of the upper rod body 2 is threadedly connected with the threaded groove one, the upper end of the lower rod body 3 is provided with a wrapping cylinder 6, the wall body of the upper rod body 2 is internally provided with an annular sliding groove, the wrapping cylinder 6 is slidingly connected with the annular sliding groove, the outer side of the tail part 4 is provided with uniformly distributed anti-skid lines 5, the outer side of the upper end of the head end 8 is provided with a threaded groove two, the inner lower end of the lower rod body 3 is threadedly connected with the threaded groove two, the needle-shaped outer sheath 1 is a stainless steel needle-shaped sheath cylinder, the pipe diameter of the needle-shaped outer sheath 1 is 3-5mm, the length is 5-10cm, the upper rod body 2 is a thin strip-shaped stainless steel metal pipe one, the lower rod body 3 is a thin strip-shaped stainless steel metal pipe two, during the endoscopic thyroid surgery process, when the micro recurrent laryngeal nerve stripping tool is used, the needle-shaped outer sheath 1 is punctured into the subcutaneous tissue to the thyroid area of the surgical field, then the surgical staff inserts the head end 8 and the rod body of the micro recurrent laryngeal nerve stripping tool into the needle-shaped outer sheath 1 in turn, and the stripping tool is sent into the thyroid area of the surgical field through the needle-shaped outer sheath 1, so that the micro recurrent laryngeal nerve stripping tool does not need to be placed through the channel of the Trocar puncture device, the micro recurrent laryngeal nerve stripping tool has a short path and does not need to occupy the operating instrument channel of the main operator of the endoscopic thyroid surgery, the micro recurrent laryngeal nerve stripping tool is directly placed from the skin of the neck operation area, the problem of too long nerve exposure channel path is solved, the head end 8 has multiple models, each model has a different shape, the surgical staff selects the corresponding head end 8 according to the actual situation of the endoscopic thyroid surgery, and the head end 8 is used to strip the surrounding structure after being placed, the head end 8 is threadedly connected with the lower rod body 3 through the threaded groove two, the surgical staff can replace the head end 8 by rotating according to the needs, the head end is convenient to replace, the surgical staff moves the micro recurrent laryngeal nerve stripping tool along the needle-shaped outer sheath 1 through the tail part 4, the anti-skid lines 5 increase the contact friction, so that the sliding phenomenon between the hands of the surgical staff and the tail part 4 of the micro recurrent laryngeal nerve stripping tool during the endoscopic thyroid surgery process is avoided, the surgical staff rotates the lower rod body 3, the lower rod body 3 is vertically moved relative to the upper rod body 2 through the threaded connection between the upper rod body 2 and the threaded groove one, so that the length of the rod body of the micro recurrent laryngeal nerve stripping tool is regulated according to the surgical needs, the wrapping cylinder 6 is adaptively slid along the corresponding annular sliding groove during the process, so that the threaded groove one of the lower rod body 3 is not exposed to the outside, the needle-shaped outer sheath 1 is a stainless steel needle-shaped sheath cylinder, the upper rod body 2 and the lower rod body 3 are thin strip-shaped stainless steel metal pipes, so that the device can withstand surgical sterile disinfection, during the endoscopic thyroid surgery process, the micro recurrent laryngeal nerve stripping tool is directly placed from the skin of the neck operation area, the nerve exposure channel path is relatively short, and the problem of difficult exposure of the recurrent laryngeal nerve is solved, the process is through a minimally invasive approach of the neck, does not occupy the operation channel of the conventional Trocar, can realize an auxiliary channel based on a conventional channel, has a simple structure, and is convenient to use;

[0021] The outer side of the upper rod body 2 is provided with a rubber piston ring 7, the rubber piston ring 7 is matched and installed with the needle-shaped sheath 1, the laryngeal recurrent nerve stripping tool for the endoscopic thyroid surgery is used for the laryngeal recurrent nerve stripping tool for the endoscopic thyroid surgery, and the laryngeal recurrent nerve stripping tool for the endoscopic thyroid surgery is used for the laryngeal recurrent nerve stripping tool for the endoscopic thyroid surgery.

[0022] The working principle of the laryngeal recurrent nerve stripping tool for the endoscopic thyroid surgery is as follows: during the endoscopic thyroid surgery, the needle-shaped sheath 1 is punctured into the subcutaneous tissue to the thyroid area of the operation field, then the head end 8 and the rod body of the laryngeal recurrent nerve stripping tool are sequentially inserted into the needle-shaped sheath 1, the laryngeal recurrent nerve stripping tool is guided by the needle-shaped sheath 1 and is sent into the thyroid area of the operation field, the laryngeal recurrent nerve stripping tool does not need to be placed through the channel of the Trocar puncture device, the laryngeal recurrent nerve stripping tool has a short path and does not need to occupy the operation instrument channel of the main operator of the endoscopic thyroid surgery, the laryngeal recurrent nerve stripping tool is directly placed into the skin of the neck operation area, the problem of too long path of the nerve exposure channel is solved, the head end 8 has multiple models, each model has different shapes, and the corresponding head end 8 is selected according to the actual situation of the endoscopic thyroid surgery, is used for stripping the surrounding structure of the nerve after being placed, the head end 8 is screw-connected with the lower rod body 3 through the second screw groove, the head end 8 can be replaced by rotating according to the requirement, the head end is convenient to replace, the laryngeal recurrent nerve stripping tool is moved along the needle-shaped sheath 1 by the tail part 4, the contact friction is increased through the anti-skid line 5, so that the sliding phenomenon between the hands of the operator and the tail part 4 of the laryngeal recurrent nerve stripping tool during the endoscopic thyroid surgery is avoided, the lower rod body 3 is vertically moved relative to the upper rod body 2 by rotating the lower rod body 3 and screw-connecting the upper rod body 2 with the first screw groove, so that the length of the rod body of the laryngeal recurrent nerve stripping tool is regulated according to the operation requirement, the wrapping barrel 6 is adaptively slid along the corresponding annular sliding groove in the process, so that the first screw groove of the lower rod body 3 is not exposed to the outside, the endoscopic thyroid surgery often needs to build a cavity with gas, when the rod body of the laryngeal recurrent nerve stripping tool moves along the inside of the needle-shaped sheath 1, the gap between the rod body and the inner wall of the needle-shaped sheath 1 is tightly sealed through the rubber piston ring 7, so that the gas leakage phenomenon is avoided, the needle-shaped sheath 1 is a stainless steel needle-shaped sheath barrel, the upper rod body 2 and the lower rod body 3 are thin strip-shaped stainless steel metal pipes, so that the device can withstand surgical sterile disinfection.

[0023] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A micro-recurrent laryngeal nerve dissection tool for endoscopic thyroid surgery, characterized by: The needle-shaped outer sheath (1) comprises an upper rod (2) installed inside the needle-shaped outer sheath (1), a lower rod (3) installed at the lower side of the upper rod (2), a head end (8) installed at the lower side of the lower rod (3), a tail (4) installed at the upper side of the upper rod (2), and the lower rod (3) and the head end (8) can pass through the needle-shaped outer sheath (1), and the lower end of the needle-shaped outer sheath (1) is a beveled port. The outer side of the lower rod (3) is provided with a threaded groove one at the upper end, the inner lower end of the upper rod (2) is threadedly connected with the threaded groove one, the upper end of the lower rod (3) is provided with a wrapping cylinder (6), the wall body of the upper rod (2) is provided with an annular sliding groove, and the wrapping cylinder (6) is slidably connected with the annular sliding groove.

2. The micro-recurrent laryngeal nerve dissection tool for endoscopic thyroid surgery according to claim 1, characterized in that: The outer side of the tail (4) is provided with evenly distributed anti-skid lines (5).

3. The micro-retraction tool for endoscopic thyroid surgery according to claim 1, wherein: The outer side of the head end (8) is provided with a threaded groove two at the upper end, and the inner lower end of the lower rod (3) is threadedly connected with the threaded groove two.

4. The micro-recurrent laryngeal nerve dissection tool for endoscopic thyroid surgery according to claim 1, characterized in that: The outer side of the upper rod (2) is provided with a rubber piston ring (7), and the rubber piston ring (7) is installed in cooperation with the needle-shaped outer sheath (1).

5. The micro-recurrent laryngeal nerve dissection tool for endoscopic thyroid surgery according to claim 1, characterized in that: The needle-shaped outer sheath (1) is a stainless steel needle-shaped sheath cylinder, the pipe diameter of the needle-shaped outer sheath (1) is 3-5 mm, and the length is 5-10 cm.

6. The micro-recurrent laryngeal nerve dissection tool for endoscopic thyroid surgery according to claim 1, characterized in that: The upper rod (2) is a thin strip-shaped stainless steel metal pipe one, and the lower rod (3) is a thin strip-shaped stainless steel metal pipe two.

7. The micro-retraction tool for endoscopic thyroid surgery according to claim 1, wherein: ​

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