CN215384435U

CN215384435U - Thyroid cartilage cutting scissors

Info

Publication number: CN215384435U
Application number: CN202121474094.8U
Authority: CN
Inventors: 王士琪; 程若川; 苏云平; 钟兆铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a pair of thyroid cartilage cutting scissors. Thyroid cartilage cutting scissors comprising: a first scissor handle; the second shear handle is arranged on one side of the first shear handle; the first scissor head is arranged on the first scissor handle, the bottom of the first scissor head is a flat surface, and an included angle between the first scissor head and the first scissor handle is 135 degrees; the second scissor head is arranged on the second scissor handle and is rotationally connected with the first scissor head; the two finger rings are respectively arranged at one end of the first scissor handle and one end of the second scissor handle. The thyroid cartilage cutting scissors provided by the utility model have the advantages that the thyroid cartilage can be cut off finely and accurately, the nerve, blood vessel, soft tissue and tumor tissue below the thyroid cartilage can be protected from being damaged, the requirement on the clamping force of an operator is reduced, and the surgical risk can be reduced.

Description

Thyroid cartilage cutting scissors

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a pair of thyroid cartilage cutting scissors.

Background

When the pharynx and larynx surgery is performed, the cutting of the thyroid cartilage is an essential step of some surgeries (such as pharynx and larynx tumor resection), and the cutting operation of the thyroid cartilage is generally performed clinically by using a conventional bone scissors, a swinging saw and a tissue scissors. The thyroid cartilage operation path usually vertically cuts the thyroid cartilage along a midline, the bone at the position is hard, tissue scissors are difficult to cut, time and labor are wasted, meanwhile, the lower part of the thyroid cartilage is tightly attached to the throat part, the bone scissors have larger head and saw swinging saw blades, the bone scissors have no finger ring, the power is stronger and difficult to fix when the saw swinging saw is used, the nail scissors obviously conflict with the requirement of the refined operation of the head and neck operation, peripheral nerve vessels and soft tissues are easily damaged due to careless operation, even tumor tissues are damaged, and the difficulty and the time consumption of the operation are greatly increased; on the other hand, no matter the horizontal incision of the bone scissors or the vertical incision of the oscillating saw is used, the operation angle is unreasonable with the special anatomical position of the throat of the head, the neck and the throat, and the complexity and the risk of the operation are obviously increased.

Therefore, there is a need to provide a thyroid cartilage cutting scissors that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide the thyroid cartilage cutting scissors which are beneficial to finely and accurately cutting the thyroid cartilage, play a role in protecting nerves, blood vessels, soft tissues and tumor tissues below the thyroid cartilage from being damaged, lower the requirement on the clamping force of an operator, and are not easy to excessively damage the surrounding tissues by exerting force, thereby reducing the operation time of the operation and reducing the operation risk.

In order to solve the above technical problems, the present invention provides a pair of scissors for cutting thyroid cartilage, comprising: a first scissor handle; the second shear handle is arranged on one side of the first shear handle; the first scissor head is arranged on the first scissor handle, the bottom of the first scissor head is a flat surface, and an included angle between the first scissor head and the first scissor handle is 135 degrees; the second scissor head is arranged on the second scissor handle and is rotationally connected with the first scissor head; the two finger rings are respectively arranged at one end of the first scissor handle and one end of the second scissor handle.

Preferably, a first middle connecting portion is arranged between the first scissor head and the first scissor handle, a round hole is formed in the first middle connecting portion, a second middle connecting portion is arranged between the second scissor head and the second scissor handle, a fixed shaft is fixedly mounted on the second middle connecting portion, and the fixed shaft penetrates through the round hole and is rotatably connected with the inner wall of the round hole.

Preferably, fixed mounting has the arc pole on the handle is cut to the second, the flexible cover is equipped with the spring on the arc pole, the both ends of spring cut handle and second respectively and cut handle fixed connection, the slip cover is equipped with adjustable restriction piece on the arc pole, threaded mounting has fastening screw on the adjustable restriction piece.

Preferably, a first arc-shaped sliding hole is formed in the first shear handle, and the arc-shaped rod penetrates through the first arc-shaped sliding hole and is in sliding connection with the inner wall of the first arc-shaped sliding hole.

Preferably, a second arc-shaped sliding hole is formed in the adjustable limiting block, the arc-shaped rod penetrates through the second arc-shaped sliding hole and is in sliding connection with the inner wall of the second arc-shaped sliding hole, an inner threaded hole communicated with the second arc-shaped sliding hole is formed in one side of the adjustable limiting block, and the fastening screw penetrates through the inner threaded hole and is screwed with the inner wall of the inner threaded hole.

Preferably, one end of the fastening screw, which is positioned outside the adjustable limiting block, is provided with a screwing head, and the outer wall of the screwing head is provided with a plurality of anti-skid threads.

Compared with the related art, the thyroid cartilage cutting scissors provided by the utility model have the following beneficial effects:

the utility model provides a pair of thyroid cartilage cutting scissors, wherein a first scissor head is arranged to be deep below the thyroid cartilage during cutting, and the bottom of the first scissor head is flat, so that the thyroid cartilage cutting scissors have a good protection effect on soft tissues, blood vessels, nerves and the like below the thyroid cartilage; the included angle that first scissors handle and first scissors head are is 135 for operating angle's rationality promotes greatly, is favorable to improving the convenience and the precision of operation.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a thyroid cartilage cutting scissors according to the present invention;

fig. 2 is a schematic view of the first scissor head shown in fig. 1;

FIG. 3 is a schematic structural diagram of the thyroid cartilage cutting scissors according to the present invention for cutting the thyroid cartilage;

FIG. 4 is a schematic structural view of a second embodiment of the thyroid cartilage cutting scissors according to the present invention;

fig. 5 is an enlarged schematic view of a portion a shown in fig. 4.

Reference numbers in the figures: 1. a first scissor handle; 2. a second scissor handle; 3. a first scissor head; 4. a second scissor head; 5. A ring; 6. an arcuate bar; 7. a spring; 8. a first arc-shaped slide hole; 9. an adjustable limiting block; 10. an internally threaded bore; 11. fastening screws; 12. and (5) screwing the head.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-3 in combination, in a first embodiment of the present invention, the thyroid cartilage cutting scissors comprise: a first scissor handle 1; the second scissor handle 2 is arranged on one side of the first scissor handle 1; the first scissor head 3 is arranged on the first scissor handle 1, the bottom of the first scissor head 3 is a flat surface, and an included angle between the first scissor head 3 and the first scissor handle 1 is 135 degrees; the second scissor head 4 is arranged on the second scissor handle 2, the second scissor head 4 is rotatably connected with the first scissor head 3, and the lengths of the first scissor head 3 and the second scissor head 4 are 3-4 cm; two ring 5, two ring 5 sets up respectively one of first handle 1 and the second of cutting is served, and two ring 5 are convenient for the operator finger and go deep, improve the precision and the stability of operation.

First scissors head 3 with be provided with first intermediate junction portion between the first handle of cutting 1, the round hole has been seted up on the first intermediate junction portion, second scissors head 4 with be provided with second intermediate junction portion between the second handle of cutting 2, fixed mounting has the fixed axle on the second intermediate junction portion, the fixed axle runs through the round hole and with the inner wall of round hole rotates to be connected.

In this embodiment:

when the nail scissors are used, as shown in fig. 3, an operator selects proper fingers to go deep into the two finger rings 5 to operate the nail scissors, adjusts the angle between the first scissor handle 1 and the second scissor handle 2, so that the opening angle between the first scissor head 3 and the second scissor head 4 is properly adjusted, then the first scissor head 3 goes deep into the lower part of the thyroid cartilage, the second scissor head 4 is positioned at the upper part of the thyroid cartilage, soft tissues, blood vessels, nerves and the like below the thyroid cartilage are not easy to be damaged due to the fact that the bottom of the first scissor head 3 is a wide flat surface, and when the nail scissors are cut, the fingers drive the two finger rings 5 to be close to each other, so that the first scissor head 3 and the second scissor head 4 can generate an occlusion effect, and the thyroid cartilage is cut;

the contained angle that first scissors handle 1 and first scissors head 3 are is 135, during the operation, has great space between ring 5 on the first scissors handle 1 and patient's top, can avoid the second to cut handle 2 and the second to cut ring 5 on the handle 2 and conflict with patient's neck emergence, is favorable to improving the convenience and the precision of operation.

the utility model provides a pair of thyroid cartilage cutting scissors, wherein a first scissor head 3 is arranged to be deep below the thyroid cartilage during cutting, the bottom of the first scissor head 3 is flat, and the first scissor head has a good protection effect on soft tissues, blood vessels, nerves and the like below the thyroid cartilage; first scissors handle 1 and first scissors head 3 are the contained angle and are 135 for operating angle's rationality promotes greatly, is favorable to improving the convenience and the precision of operation.

Second embodiment:

based on the thyroid cartilage cutting scissors provided in the first embodiment of the present application, the second embodiment of the present application proposes another type of thyroid cartilage cutting scissors. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 4-5, in a second embodiment of the present invention, an arc rod 6 is further fixedly mounted on the second scissor handle 2, a spring 7 is movably sleeved on the arc rod 6, two ends of the spring 7 are respectively fixedly connected with the first scissor handle 1 and the second scissor handle 2, an adjustable limiting block 9 is slidably sleeved on the arc rod 6, the adjustable limiting block 9 is adjustable in position on the arc rod 6, and can limit an openable angle of the first scissor handle 1 and the second scissor handle 2, so as to limit the opening sizes of the first scissor head 3 and the second scissor head 4 in a normal state, a fastening screw 11 is threadedly mounted on the adjustable limiting block 9, and the fastening screw 11 can abut against the arc rod 6 after being tightened, so that the adjustable limiting block 9 is fixed.

First arc slide opening 8 has been seted up on first cut handle 1, arc pole 6 run through first arc slide opening 8 and with the inner wall sliding connection of first arc slide opening 8.

The adjustable limiting block 9 is provided with a second arc-shaped sliding hole, the arc-shaped rod 6 penetrates through the second arc-shaped sliding hole and is in sliding connection with the inner wall of the second arc-shaped sliding hole, the circle centers of circles to which the arc-shaped rod 6, the first arc-shaped sliding hole 8 and the second arc-shaped sliding hole belong are coincided with the axis of the fixed shaft, one side of the adjustable limiting block 9 is provided with an internal thread hole 10 communicated with the second arc-shaped sliding hole, and the fastening screw 11 penetrates through the internal thread hole 10 and is screwed with the inner wall of the internal thread hole 10.

In order to improve the convenience of the operation of the fastening screw, a screwing head 12 is arranged at one end of the fastening screw 11, which is located outside the adjustable limiting block 9, and a plurality of anti-skid threads are arranged on the outer wall of the screwing head 12.

In this embodiment:

through the additional arrangement of the spring 7, the arc-shaped rod 6, the adjustable limiting block 9 and other structures, when the scissors are cut, the first scissors handle 1 and the second scissors handle 2 are close to each other, the spring 7 is compressed to store elastic potential energy, and the first scissors handle 1 and the second scissors handle 2 can be automatically opened at a certain angle under the elastic force of the spring 7, so that the use convenience is improved; through adjusting the position of adjustable restriction piece 9, can adjust the angle that first scissors handle 1 and second scissors handle 2 can open, then realize the regulation of first scissors head 3 and the 4 opening sizes of second scissors head under the normality, according to this function, relevant operator is before stretching into first scissors head 3 to the thyroid cartilage lower part, can be suitable with the opening angle adjustment of first scissors head 3 and second scissors head 4 in advance, avoid first scissors head 3 to stretch into when the thyroid cartilage lower part because of the too big soft tissue on thyroid cartilage around the 4 perk range of second scissors head conflict, the operator also need not to take care of the angle that keeps first scissors head 3 and second scissors head 4 simultaneously, the convenience of use has been improved.

The utility model is not limited to the claims, and all equivalent structures or equivalent processes that can be directly or indirectly applied to other related technical fields using the contents of the specification and the drawings are included in the scope of the utility model.

Claims

1. A thyroid cartilage cutting shear, comprising:

a first scissor handle;

the second shear handle is arranged on one side of the first shear handle;

the first scissor head is arranged on the first scissor handle, the bottom of the first scissor head is a flat surface, and an included angle between the first scissor head and the first scissor handle is 135 degrees;

the second scissor head is arranged on the second scissor handle and is rotationally connected with the first scissor head;

the two finger rings are respectively arranged at one end of the first scissor handle and one end of the second scissor handle.

2. The thyroid cartilage cutting scissors according to claim 1, wherein a first intermediate connecting portion is disposed between the first scissors head and the first scissors handle, a circular hole is formed in the first intermediate connecting portion, a second intermediate connecting portion is disposed between the second scissors head and the second scissors handle, and a fixing shaft is fixedly mounted on the second intermediate connecting portion, penetrates through the circular hole and is rotatably connected with an inner wall of the circular hole.

3. The thyroid cartilage cutting scissors according to claim 1, wherein an arc-shaped rod is fixedly arranged on the second scissors handle, a spring is movably sleeved on the arc-shaped rod, two ends of the spring are respectively and fixedly connected with the first scissors handle and the second scissors handle, an adjustable limiting block is slidably sleeved on the arc-shaped rod, and a fastening screw is arranged on the adjustable limiting block in a threaded manner.

4. The thyroid cartilage cutting scissors according to claim 3, wherein the first scissor handle is provided with a first arc-shaped sliding hole, and the arc-shaped rod penetrates through the first arc-shaped sliding hole and is slidably connected with the inner wall of the first arc-shaped sliding hole.

5. The thyroid cartilage cutting scissors according to claim 3, wherein the adjustable limiting block is provided with a second arc-shaped sliding hole, the arc-shaped rod penetrates through the second arc-shaped sliding hole and is slidably connected with the inner wall of the second arc-shaped sliding hole, one side of the adjustable limiting block is provided with an inner threaded hole communicated with the second arc-shaped sliding hole, and the fastening screw penetrates through the inner threaded hole and is screwed with the inner wall of the inner threaded hole.

6. The thyroid cartilage cutting scissors according to claim 3, wherein a screw head is arranged at one end of the fastening screw outside the adjustable limiting block, and a plurality of anti-slip threads are arranged on the outer wall of the screw head.