Curved claw separating forceps for endoscopic thyroid surgery

Abstract

The utility model discloses a pair of curved claw separating forceps for endoscopic thyroid surgery. The pair of curved claw separating forceps comprises an operating rod, a movable forceps head, a fixed forceps head and a moving component, the first end of the fixed tong head is connected with the operating rod, the first end of the movable tong head is connected with the first end of the moving assembly, and the second end of the moving assembly is connected with the operating rod. The movable tong head comprises a first fixing rod, a first connecting rod and a first separating rod, the first end of the first fixing rod is connected with the moving assembly, the first end of the first connecting rod is horizontally connected with the second end of the first fixing rod in a bent mode, and the second end of the first connecting rod is vertically connected with the first separating rod in a bent mode. During use, the fixed forceps head and the movable forceps head are moved between the esophagus and the trachea, the movable forceps head is moved through the moving assembly so as to increase or decrease the distance between the movable forceps head and the fixed forceps head, fat and lymphatic tissue between the trachea and the esophagus are accurately clamped and separated, and the requirement of a cervical side thyroid surgery is met; and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary instrument technical field more specifically, relate to a kind of curved jaw separating forceps for endoscopic thyroid surgery. BACKGROUND

[0002] Endoscopic thyroid surgery, which has been popular in recent years, is a common radical and cosmetic surgery method for thyroid diseases. During endoscopic thyroid surgery, especially during endoscopic thyroid surgery through the axillary, subclavian, post-auricular, and lateral neck, the doctor needs to perform lymph node dissection in the tracheal esophageal groove, and for advanced patients, it is also necessary to perform contralateral lymph node dissection. When performing contralateral lymph node dissection, the doctor needs to separate the fat and lymphatic tissue between the esophagus and trachea located in the blind area of the visual field, which cannot be directly faced. Due to the obstruction of the trachea, the operation area is a direct vision blind area, and it is not suitable for operation.

[0003] Currently, the problem of the esophagus and trachea located in the blind area of the visual field can be solved by an angle endoscope. However, the surgical forceps that match the endoscopic operation are all one-way curved jaws, i.e., curved in a single dimension, and cannot complete the operation in the direct vision blind area. In order to achieve precise operation, two-dimensional bending is required, which can only be solved by complicatedly changing different instruments, and cannot fully meet the needs of lateral neck thyroid surgery.

[0004] Therefore, how to provide a curved jaw separating forceps for endoscopic thyroid surgery has become a technical problem that needs to be solved in the field. SUMMARY

[0005] An object of the present utility model is to provide a new technical solution for a curved jaw separating forceps for endoscopic thyroid surgery.

[0006] According to the first aspect of the present utility model, a curved jaw separating forceps for endoscopic thyroid surgery is provided, comprising: an operating rod, a movable forceps head, a fixed forceps head, and a moving assembly;

[0007] The first end of the fixed forceps head is connected to the operating rod, the first end of the movable forceps head is connected to the first end of the moving assembly, and the second end of the moving assembly is connected to the operating rod. The moving assembly is used to drive the movable forceps head to move, so as to increase or decrease the distance between the movable forceps head and the fixed forceps head.

[0008] The movable forceps head comprises a first fixed rod, a first connecting rod, and a first separating rod. The first end of the first fixed rod is connected to the moving assembly. The first end of the first connecting rod is horizontally bent and connected to the second end of the first fixed rod. The second end of the first connecting rod is vertically bent and connected to the first separating rod.

[0009] Optionally, an angle formed between the first fixed rod and the first connecting rod is 90 degrees, and an angle formed between the first connecting rod and the first separating rod is 90 degrees.

[0010] Optionally, an inner mirror is arranged in the movable forceps head.

[0011] Optionally, the fixed forceps head comprises a second fixed rod, a second connecting rod and a second separating rod, a first end of the second fixed rod is connected with the operation rod, a first end of the second connecting rod is horizontally and bendedly connected with a second end of the second fixed rod, and a second end of the second connecting rod is vertically and bendedly connected with the second separating rod.

[0012] Optionally, the second fixed rod is arranged in parallel with the first fixed rod, the second connecting rod is arranged in parallel with the first connecting rod, and the second separating rod is arranged in parallel with the first separating rod.

[0013] Optionally, the moving assembly comprises a first rotating rod, a second rotating rod and a first rotating shaft, a first end of the first rotating rod is rotatably connected with the operation rod, a first end of the second rotating rod is rotatably connected with the first fixed rod, a connecting block is arranged on a second end of the second rotating rod, and the first rotating shaft penetrates through the second end of the second rotating rod, the connecting block and a second end of the first rotating rod.

[0014] Optionally, a groove is arranged on the operation rod, first connecting holes are arranged on two side walls of the groove.

[0015] The moving assembly further comprises a second rotating shaft, and the second rotating shaft penetrates through the first connecting holes and the first end of the first rotating rod.

[0016] Optionally, an opening and second connecting holes are arranged on the first end of the first fixed rod, the second connecting holes are arranged on two sides of the opening and penetrate through the opening.

[0017] The moving assembly further comprises a third rotating shaft, the first end of the first fixed rod is inserted into the opening, and the third rotating shaft penetrates through the second connecting holes and the first end of the second rotating rod.

[0018] Optionally, the moving assembly further comprises a moving block, a clamping interface is arranged on a side wall of the moving block, the moving block is connected with the first fixed rod, the moving block is clamped on the outer peripheral wall of the fixed forceps head through the clamping interface and is slidably connected with the fixed forceps head.

[0019] The utility model discloses the beneficial effect lies in:

[0020] The utility model discloses a first end of fixed pincers head is connected with operating lever, and the first end of movable pincers head is connected with the first end of moving assembly, and the second end of moving assembly is connected with operating lever, and make the first end of first fixed link with moving assembly, and the first end of first connecting rod is horizontally bent and is connected with the second end of first fixed link, and the second end of first connecting rod is vertically bent and is connected with first separation link.

[0021] Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments thereof, with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the present utility model.

[0023] Fig. 1 It is the structure diagram of the curved jaw separating forceps for endoscopic thyroid surgery of the utility model;

[0024] Fig. 2 It is the structure diagram of the curved jaw separating forceps for endoscopic thyroid surgery of the utility model another angle.

[0025] Indicated in the drawing as follows: 1, operating lever;11, recess;12, first connecting hole;2, movable pincers head;21, first fixed link;22, first connecting rod;23, first separation link;24, opening;25, second connecting hole;3, fixed pincers head;31, second fixed link;32, second connecting rod;33, second separation link;4, moving assembly;41, first rotating rod;42, second rotating rod;43, first pivot;44, second pivot;45, third pivot;5, moving block;51, clamping interface;6, endoscope;7, trachea. DETAILED DESCRIPTION

[0026] Various exemplary embodiments of the present utility model will now be described in detail below with reference to the accompanying drawings. Note that the relative arrangement, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model, unless otherwise specifically stated.

[0027] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application or its application or uses.

[0028] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and apparatus should be considered as being part of the specification.

[0029] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary, and not as a limitation. Thus, other examples of exemplary embodiments can have different values.

[0030] As shown in the drawings, Figs. 1-2 The utility model discloses a curved claw separating forceps for endoscopic thyroid surgery provides a kind of curved claw separating forceps for endoscopic thyroid surgery, including: operating rod 1, movable forceps head 2, fixed forceps head 3 and moving assembly 4.

[0031] The first end of fixed forceps head 3 is connected with operating rod 1, the first end of movable forceps head 2 is connected with the first end of moving assembly 4, the second end of moving assembly 4 is connected with operating rod 1, and moving assembly 4 is used to drive movable forceps head 2 to move, so that the distance between movable forceps head 2 and fixed forceps head 3 increases or decreases.

[0032] Movable forceps head 2 includes first fixed rod 21, first connecting rod 22 and first separating rod 23, the first end of first fixed rod 21 is connected with moving assembly 4, the first end of first connecting rod 22 is horizontally bent and connected with the second end of first fixed rod 21, and the second end of first connecting rod 22 is vertically bent and connected with first separating rod 23.

[0033] Specifically, operating rod 1 is used for connecting endoscope. And, movable forceps head 2 is internally provided with endoscope 6, and the tissue between esophagus and trachea 7 can be observed through endoscope 6, so that the curved claw separating forceps of the utility model is more convenient to use.

[0034] Endoscope 6 is arranged on the end of first separating rod 23, so that endoscope 6 can be inserted into the tissue between trachea 7 and esophagus together with first separating rod 23, without the need for the operator to frequently change posture, reducing the operation difficulty and fatigue of the operator.

[0035] Moreover, three-dimensional visual angle can be realized by rotating operating rod 1, so that the fat and lymphatic tissue between trachea 7 and esophagus can be observed, and better clamping and separation of the fat and lymphatic tissue between trachea 7 and esophagus can be realized.

[0036] When the mobile assembly 4 moves the movable jaw 2 to increase the distance between the movable jaw 2 and the fixed jaw 3, the fat and lymphatic tissue between the trachea 7 and the esophagus can be separated; when the mobile assembly 4 moves the movable jaw 2 to reduce the distance between the movable jaw 2 and the fixed jaw 3, the fat and lymphatic tissue between the trachea 7 and the esophagus can be clamped.

[0037] In use, the surgical staff holds the operating rod 1, moves the fixed jaw 3 and the movable jaw 2 to between the esophagus and the trachea 7, and makes the fixed jaw 3 close to the trachea 7 and the movable jaw 2 close to the esophagus, and moves the movable jaw 2 through the mobile assembly 4 to increase or reduce the distance between the movable jaw 2 and the fixed jaw 3, so as to accurately clamp and separate the fat and lymphatic tissue between the trachea 7 and the esophagus.

[0038] Moreover, the fixed jaw 3 can be stably arranged on the edge of the trachea 7, and the combination of the movable jaw 2 and the fixed jaw 3 can adapt to different tissue types and surgical requirements based on the anatomical structure, and more scientifically facilitate the operation of the endoscopic surgery in the limited space.

[0039] The utility model discloses a first end of fixed jaw 3 is connected with operating rod 1, and a first end of movable jaw 2 is connected with the first end of mobile assembly 4, and the second end of mobile assembly 4 is connected with operating rod 1, and the first end of first fixed rod 21 is connected with mobile assembly 4, and the first end of first connecting rod 22 is horizontally bent and is connected with the second end of first fixed rod 21, and the second end of first connecting rod 22 is vertically bent and is connected with first separation rod 23. In use, the surgical staff holds the operating rod 1, moves the fixed jaw 3 and the movable jaw 2 to between the esophagus and the trachea 7, and makes the fixed jaw 3 close to the trachea 7 and the movable jaw 2 close to the esophagus, and moves the movable jaw 2 through the mobile assembly 4 to increase or reduce the distance between the movable jaw 2 and the fixed jaw 3, so as to accurately clamp and separate the fat and lymphatic tissue between the trachea 7 and the esophagus.

[0040] Moreover, the curved jaw separation forceps for endoscopic thyroid surgery of the utility model fully meet the surgical requirements, have the least joints and the least gaps, are as simple and practical as possible, are easy to disinfect during surgery, and have high clinical practicability.

[0041] In one embodiment of the curved jaw separation forceps for endoscopic thyroid surgery of the utility model, as shown in Figs. 1-2As shown, in order to further improve the accuracy and convenience of clamping and separating the fat and lymphatic tissue between the trachea 7 and the esophagus, the angle formed between the first fixed rod 21 and the first connecting rod 22 is 90 degrees, and the angle formed between the first connecting rod 22 and the first separating rod 23 is 90 degrees.

[0042] In one embodiment of the curved jaw separating forceps for endoscopic thyroid surgery of the utility model, as shown in Figs. 1-2 As shown, the fixed forceps head 3 comprises a second fixed rod 31, a second connecting rod 32 and a second separating rod 33, the first end of the second fixed rod 31 is connected with the operating rod 1, the first end of the second connecting rod 32 is horizontally bent and connected with the second end of the second fixed rod 31, and the second end of the second connecting rod 32 is vertically bent and connected with the second separating rod 33.

[0043] Specifically, the end of the first separating rod 23 and the end of the second separating rod 33 are provided with rounded corners, the shape is more in line with the shape of the trachea 7 and other tissues, the tissue can be more effectively and safely separated, which is beneficial to postoperative recovery and reduces the possibility of adhesion.

[0044] When the fixed forceps head 3 and the movable forceps head 2 move to the esophagus and the trachea 7, the trachea 7 is located on the inner side wall of the second fixed rod 31 and the second connecting rod 32, and the esophagus is located on the outer side wall of the first connecting rod 22.

[0045] The utility model discloses a first end of second fixed rod 31 is connected with operating rod 1, and the first end of second connecting rod 32 is horizontally bent and connected with the second end of second fixed rod 31, and the second end of second connecting rod 32 is vertically bent and connected with second separating rod 33, when using, through second connecting rod 32 and first connecting rod 22 and second separating rod 33 and first separating rod 23 can realize the clamping and separation of the fat and lymphatic tissue between the trachea 7 and the esophagus.

[0046] In one embodiment of the curved jaw separating forceps for endoscopic thyroid surgery of the utility model, the second fixed rod 31 is arranged in parallel with the first fixed rod 21, the second connecting rod 32 is arranged in parallel with the first connecting rod 22, and the second separating rod 33 is arranged horizontally with the first separating rod 23.

[0047] Specifically, the angle formed between the second fixed rod 31 and the second connecting rod 32 is 90 degrees, and the angle formed between the second connecting rod 32 and the second separating rod 33 is 90 degrees.

[0048] In one embodiment of the curved jaw separating forceps for endoscopic thyroid surgery of the utility model, as shown in Figs. 1-2As shown, the moving assembly 4 comprises a first rotating rod 41, a second rotating rod 42 and a first rotating shaft 43, the first end of the first rotating rod 41 is rotationally connected with the operating rod 1, the first end of the second rotating rod 42 is rotationally connected with the first fixed rod 21, and a connecting block is arranged on the second end of the second rotating rod 42, and the first rotating shaft 43 penetrates the second end of the second rotating rod 42, the connecting block (not shown in the figure) and the second end of the first rotating rod 41.

[0049] Specifically, the first rotating rod 41 and the second rotating rod 42 are link structures, that is, the first rotating rod 41 and the second rotating rod 42 perform flexion and extension actions through the first rotating shaft 43, so that the first rotating rod 41 and the second rotating rod 42 gradually bend or gradually become horizontal.

[0050] When it is needed to increase the distance between the movable forceps head 2 and the fixed forceps head 3, the operator acts on the first rotating rod 41, so that the first rotating rod 41 moves towards the second fixed rod 31, and then the second rotating rod 42 moves towards the second fixed rod 31, and at the same time, the first rotating shaft 43 rotates, so that the first rotating rod 41 and the second rotating rod 42 can stably move, so that the first rotating rod 41 and the second rotating rod 42 gradually become horizontal, and then the distance between the movable forceps head 2 and the fixed forceps head 3 is increased.

[0051] When it is needed to decrease the distance between the movable forceps head 2 and the fixed forceps head 3, the operator acts on the first rotating rod 41, so that the first rotating rod 41 moves towards the direction away from the second fixed rod 31, and then the second rotating rod 42 moves towards the direction away from the second fixed rod 31, and at the same time, the first rotating shaft 43 rotates, so that the first rotating rod 41 and the second rotating rod 42 can stably move, so that the first rotating rod 41 and the second rotating rod 42 gradually bend, and then the distance between the movable forceps head 2 and the fixed forceps head 3 is decreased.

[0052] The utility model discloses a fixed forceps head 3 good movable forceps head 2 can cooperate with the endoscope 6 in the first separation rod 23 inside and work together, can reach " fixed - visible - separation " trinity target in operation operation, reaches observation and carries out clamping and separation to the fat and lymphatic tissue between trachea 7 and esophagus on the basis that curved jaw separation forceps is fixed in trachea 7, that is, through the curved jaw separation forceps of the utility model can reach the effect of two or three tools in traditional operation, and in the operation, it is not needed to change the instrument complicatedly, realizes the simplification of operation and the promotion of efficiency.

[0053] In one embodiment of the curved jaw separation forceps for endoscopic thyroid surgery of the utility model, as shown in the figure, Fig. 2 As shown, the operating rod 1 is provided with a groove 11, and the two side walls of the groove 11 are provided with first connecting holes 12.

[0054] The moving assembly 4 further comprises a second rotating shaft, which penetrates the first connecting hole 12 and the first end of the first rotating rod 41.

[0055] The utility model discloses a recess 11 is arranged on operating rod 1, and first connecting hole 12 is arranged on the both sides wall of recess 11, makes second rotating shaft 44 penetrate first connecting hole 12 and the first end of first rotating rod 41, and further realizes the stable rotation of first rotating rod 41 and operating rod 1.

[0056] In one embodiment of the curved-claw separating forceps for endoscopic thyroid surgery of the utility model, as shown in Fig. 2 The first end of the first fixed rod 21 is provided with an opening 24 and a second connecting hole 25, the second connecting hole 25 is located on both sides of the opening 24, and penetrates the opening 24.

[0057] The moving assembly 4 further comprises a third rotating shaft 45, the first end of the first fixed rod 21 is inserted into the opening 24, and the third rotating shaft 45 penetrates the second connecting hole 25 and the first end of the second rotating shaft.

[0058] The utility model discloses an opening 24 and a second connecting hole 25 are arranged on the first end of the first fixed rod 21, the second connecting hole 25 is located on both sides of the opening 24, and penetrates the opening 24, the first end of the first fixed rod 21 is inserted into the opening 24, the second rotating shaft 44 penetrates the second connecting hole 25 and the first end of the first fixed rod 21, and further realizes the stable rotation of the second rotating rod 42 and the first fixed rod 21.

[0059] In one embodiment of the curved-claw separating forceps for endoscopic thyroid surgery of the utility model, as shown in Fig. 2 The moving assembly 4 further comprises a moving block 5, the side wall of the moving block 5 is provided with a clamping interface 51, the moving block 5 is connected with the first fixed rod 21, the moving block 5 is clamped on the outer peripheral wall of the fixed forceps head 3 through the clamping interface 51, and is in sliding connection with the fixed forceps head 3.

[0060] Specifically, the clamping interface 51 is clamped on the outer peripheral wall of the second fixed rod 31, and the moving block 5 is in sliding connection with the second fixed rod 31 through the clamping interface 51.

[0061] The utility model discloses a clamping interface 51 is arranged on the side wall of the moving block 5, and the moving block 5 is connected with the first fixed rod 21, the moving block 5 is clamped on the outer peripheral wall of the fixed forceps head 3 through the clamping interface 51, and is in sliding connection with the fixed forceps head 3, and further the first fixed rod 21 and the second fixed rod 31 are in sliding connection through the moving block 5, so that the first fixed rod 21 can move along the length direction of the second fixed rod 31, and the deviation problem in the moving process of the movable forceps head 2 is avoided.

[0062] While specific embodiments of the application have been described in detail, those familiar with the art will appreciate that the examples given are by way of example and are not meant to limit the scope of the application. Those skilled in the art will recognize or be able to ascertain using no more than routine experimentation, many equivalents to the specific embodiments of the application described herein. It is therefore intended that the scope of the application be determined by the following claims.

Claims

1. A curved jaw dissector for endoscopic thyroid surgery, characterized in that, include: Operating lever, movable jaw, fixed jaw, and moving assembly; The first end of the fixed jaw is connected to the operating lever, the first end of the movable jaw is connected to the first end of the moving component, and the second end of the moving component is connected to the operating lever. The moving component is used to drive the movable jaw to move so that the distance between the movable jaw and the fixed jaw increases or decreases. The movable pliers head includes a first fixed rod, a first connecting rod, and a first separating rod. The first end of the first fixed rod is connected to the movable component. The first end of the first connecting rod is horizontally bent and connected to the second end of the first fixed rod. The second end of the first connecting rod is vertically bent and connected to the first separating rod.

2. The curved jaw dissector for endoscopic thyroid surgery according to claim 1, characterized in that, The angle between the first fixed rod and the first connecting rod is 90 degrees, and the angle between the first connecting rod and the first separating rod is 90 degrees.

3. The curved jaw dissector for endoscopic thyroid surgery according to claim 1, wherein An endoscope is installed inside the movable forceps head.

4. The curved jaw dissector for endoscopic thyroid surgery according to claim 1, wherein The fixing clamp head includes a second fixing rod, a second connecting rod, and a second separating rod. The first end of the second fixing rod is connected to the operating rod, the first end of the second connecting rod is horizontally bent and connected to the second end of the second fixing rod, and the second end of the second connecting rod is vertically bent and connected to the second separating rod.

5. The curved jaw dissector for endoscopic thyroid surgery according to claim 4, characterized in that, The second fixing rod is arranged parallel to the first fixing rod, the second connecting rod is arranged parallel to the first connecting rod, and the second separating rod is arranged horizontally to the first separating rod.

6. The curved jaw dissector for endoscopic thyroid surgery according to claim 1, wherein The moving component includes a first rotating rod, a second rotating rod, and a first rotating shaft. The first end of the first rotating rod is rotatably connected to the operating rod, the first end of the second rotating rod is rotatably connected to the first fixed rod, and a connecting block is provided on the second end of the second rotating rod. The first rotating shaft passes through the second end of the second rotating rod, the connecting block, and the second end of the first rotating rod.

7. The curved jaw dissector for endoscopic thyroid surgery according to claim 6, characterized in that, The operating lever is provided with a groove, and the two side walls of the groove are provided with first connecting holes; The moving component further includes a second rotating shaft that passes through the first connecting hole and the first end of the first rotating rod.

8. The curved jaw dissector for endoscopic thyroid surgery according to claim 6, wherein The first end of the first fixing rod is provided with an opening and a second connecting hole, the second connecting hole being located on both sides of the opening and penetrating the opening; The moving component further includes a third rotating shaft, with the first end of the first fixing rod inserted into the opening, and the third rotating shaft passing through the second connecting hole and the first end of the second rotating rod.

9. The curved jaw dissector for endoscopic thyroid surgery according to claim 6, wherein, The moving component also includes a moving block, which has a card interface on its side wall. The moving block is connected to the first fixing rod and is engaged with the outer peripheral wall of the fixing pliers through the card interface, and is slidably connected with the fixing pliers.

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