CN217488775U - C-shaped surgical scissors - Google Patents

Abstract

The utility model relates to a C shape operation scissors belongs to medical instrument technical field, has solved current spinal cord tumour and has been in unable direct-view be difficult to implement the problem of excision operation when sheltering from the state. The utility model discloses a C shape surgical scissors, include: the first shearing part, the second shearing part, the first scissor tail fin and the second scissor tail fin; the first shearing part and the tail wings of the second scissors are of an integrated structure, and the second shearing part and the tail wings of the first scissors are of an integrated structure; the first shearing part and the second shearing part are hinged through a hinge pin; the side surfaces of the first shearing part and the second shearing part are provided with cutting edges; the tail wings of the first scissors and the tail wings of the second scissors are both arc-shaped structures, and the bending directions of the tail wings of the first scissors and the tail wings of the second scissors are the same. The utility model discloses a dodge to the obstacle position, be convenient for realize the side excision to the spinal cord tumour.

Description

C-shaped surgical scissors

Technical Field

The utility model relates to a belong to medical instrument technical field, especially relate to a C shape operation scissors.

Background

Spinal cord tumors are a common type of disease in neurosurgery, and are often associated with adhesion to the ventral nervous tissue of the spinal cord.

At present, the conventional surgical mode is to expose the spinal cord tumor by opening the dorsal structure of the spinal cord, and in the operation process, the spinal cord tumor and the adhesion condition of the ventral side of the spinal cord can not be observed under the direct-view condition, so that the tumor excision treatment has great difficulty.

With the progress of endoscope technology, the condition of observing the ventral side of the spinal cord is gradually improved, and tumors on the ventral side of the spinal cord can be observed by means of an endoscope. However, in the process of removing the tumor, the tumor position is shielded by the spinal cord structure, and as no scissors which is convenient to cooperate for cutting off the tumor on the ventral side of the spinal cord are provided, the operation is complicated, the operation process is prolonged, and the labor burden of doctors is increased.

In order to facilitate the excision operation of the tumor on the ventral side of the spinal cord, relieve the pain of a patient and relieve the labor intensity of a doctor, a novel surgical scissors needs to be provided, and the tumor on the spinal cord can be conveniently excised.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention is directed to a C-shaped surgical scissors, which is used to solve the problem that it is difficult to perform an excision operation when the existing spinal tumor is in a hidden state that cannot be seen directly.

The purpose of the utility model is mainly realized through the following technical scheme:

a C-shaped surgical shears, comprising: the first shearing part, the second shearing part, the first scissor tail fin and the second scissor tail fin; the first shearing part and the tail wings of the second scissors are of an integrated structure, and the second shearing part and the tail wings of the first scissors are of an integrated structure; the first shearing part and the second shearing part are hinged through a hinge pin;

the side surfaces of the first shearing part and the second shearing part are provided with cutting edges; the tail wings of the first scissors and the tail wings of the second scissors are both arc-shaped structures, and the bending directions of the tail wings of the first scissors and the tail wings of the second scissors are the same.

Furthermore, the outer side of the tail fin of the first scissors is provided with anti-skid grains.

Further, the anti-slip patterns are groove structures distributed in an array mode, or the anti-slip patterns are bump structures arranged on the surfaces of the tail fins of the first scissors.

Further, finger ring structures are arranged on the tail wings of the first scissors and/or the tail wings of the second scissors, and the finger ring structures can allow fingers to pass through.

Furthermore, the ring structure is arranged in the middle of the tail fin of the first scissors and/or the tail fin of the second scissors.

Furthermore, the tail end of the tail wing of the second scissors is provided with a limiting hole; the tail part of the tail fin of the first scissors penetrates into the limiting hole and is limited through the limiting hole.

Furthermore, the limiting hole is a U-shaped hole.

Further, the tail end of the tail fin of the first scissors is arranged to be in a conical structure.

Further, a spring structure is arranged between the tail wings of the first scissors and the tail wings of the second scissors.

Further, the spring structure is arranged at the tail parts of the first scissor tail fin and the second scissor tail fin.

Compared with the prior art, the utility model provides a C shape operation scissors has one of following beneficial effect at least:

1. the utility model discloses a C shape operation scissors, scissors tail wing all design for C shape or arc line, can avoid sheltering from, cut the pathological change position of disease in the side, and convenient operation has reduced the operation degree of difficulty, has alleviateed doctor's intensity of labour simultaneously. The utility model discloses a set up curved scissors tail wing, realized dodging the obstacle position, be convenient for realize amputating the side of spinal cord tumour.

2. The C-shaped surgical scissors of the utility model are provided with the ring structure at the inner side of the tail wing of the scissors, which is convenient for being held by hands on one hand and prevents the scissors from being separated from the control of the hands of the human body; on the other hand, the device can be used for conveniently applying force during shearing operation, preventing fingers from slipping and improving the operation controllability.

3. The utility model discloses a C shape operation scissors sets up spacing hole at the end of second scissors tail wing, and spacing hole can allow the end of first scissors tail wing to pass, has played the limiting displacement to first scissors tail wing simultaneously, and the scope of opening and shutting of restriction scissors prevents that the scissors from opening the angle too big, convenient operation and control when shearing simultaneously.

4. The utility model discloses a C shape operation scissors sets up spring structure between first scissors tail wing and second scissors tail wing, and spring structure can restrict the degree of opening and shutting of first scissors tail wing and second scissors tail wing, prevents that the scissors from opening the degree too big accidental injury that causes, can realize the automatic re-setting function after cuting simultaneously, more convenient operation and control.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a schematic structural view of a C-shaped surgical scissors according to embodiment 1 of the present invention;

FIG. 2 is an enlarged view of the head structure of the C-shaped surgical scissors according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a C-shaped surgical scissors according to embodiment 2 of the present invention;

fig. 4 is an enlarged view of the tail structure of the C-shaped surgical scissors according to embodiment 3 of the present invention;

fig. 5 is a schematic structural view of C-shaped surgical scissors according to embodiment 4 of the present invention.

Reference numerals:

1-a first shearing section; 2-a second shearing section; 3-a hinge pin; 4-first scissors tail fin; 5-second scissors tail fin; 6-ring structure; 7-limiting holes; 8-spring structure.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

Example 1

A specific embodiment of the present invention, as shown in fig. 1 and 2, discloses a C-shaped surgical scissors, comprising: a first cutting part 1, a second cutting part 2, a first scissor tail fin 4 and a second scissor tail fin 5.

As shown in fig. 2, the side surfaces of the first cutting part 1 and the second cutting part 2 are both provided with cutting edges, the first cutting part 1 and the second cutting part 2 are hinged through a hinge pin 3, and the first cutting part 1 and the second cutting part 2 can be opened and closed when rotating relatively, so that the target object can be cut.

Further, the first cutting part 1 and the second scissors tail fin 5 are of an integral structure, and the second cutting part 2 and the first scissors tail fin 4 are of an integral structure; similarly, the first scissors tail fin 4 and the second scissors tail fin 5 are hinged through the hinge pin 3, and when the first scissors tail fin 4 and the second scissors tail fin 5 rotate relatively, the first cutting part 1 and the second cutting part 2 can be driven to rotate synchronously; namely, when the first scissors tail fin 4 and the second scissors tail fin 5 are oppositely opened and closed, the first cutting part 1 and the second cutting part 2 are synchronously opened and closed to realize the cutting action.

Further, as shown in fig. 1, the first scissor tail fin 4 and the second scissor tail fin 5 are both C-shaped structures, or the first scissor tail fin 4 and the second scissor tail fin 5 are both arc-shaped structures.

The openings of the first scissor tail fin 4 and the second scissor tail fin 5 in the arc shapes face the same direction, namely the bending directions are the same.

Specifically, the centers of curvature of the arcs of the first scissors tail fin 4 and the second scissors tail fin 5 are located on the same side of the first scissors tail fin 4 and the second scissors tail fin 5.

Further, the outer side of the tail fin 4 of the first scissors is provided with anti-skid lines. Preferably, the anti-slip patterns are groove structures distributed in an array manner, or the anti-slip patterns are bump structures uniformly distributed on the surface of the first scissor tail fin 4.

The C-shaped surgical scissors of the utility model are C-shaped or arc-shaped by arranging the tail wing structure of the scissors; in the operation of excising the tumor on the ventral side of the spinal cord, the shielding of the spinal cord can be avoided, the diseased part of a patient is cut at the side, the operation is convenient, the operation difficulty is reduced, and the labor intensity of a doctor is reduced.

Example 2

The present invention discloses a specific embodiment, which is based on embodiment 1, and discloses a C-shaped surgical scissors with a finger ring structure, as shown in fig. 3.

The C-shaped surgical scissors of the present embodiment are improved on the basis of embodiment 1: the finger ring structure 6 is arranged on the inner side of the first scissors tail fin 4 and/or the second scissors tail fin 5.

The ring structure 6 is in a ring shape and can allow fingers of a human body to pass through. When the scissors are used, an operator penetrates fingers into the ring structure 6 to hold the scissors, the scissors can be prevented from falling off, and in the shearing operation, the shearing action is realized by applying force conveniently.

In the present embodiment, the "inner side" of the first scissors tail fin 4 and the second scissors tail fin 5 refers to the side of the first scissors tail fin 4 or the second scissors tail fin 5 facing the other half of the scissors tail fins.

According to the C-shaped surgical scissors, the ring structure 6 is arranged on the inner side of the tail wing of the scissors, so that the scissors can be conveniently held by hands on one hand, and the scissors are prevented from being separated from the control of hands of a human body; on the other hand, the force can be applied conveniently during the shearing operation, the finger is prevented from slipping, and the operation controllability is improved.

Example 3

The utility model discloses a concrete embodiment, on embodiment 1 or embodiment 2's basis, improve embodiment 1 or embodiment 2's C shape surgical scissors, specifically, as shown in fig. 4, the C shape surgical scissors of this embodiment sets up spacing hole 7 at the afterbody of second scissors tail fin 5, just spacing hole 7 is passed to the afterbody of first scissors tail fin 4 to carry on spacingly through spacing hole 7.

Specifically, the limiting hole 7 is a U-shaped hole.

Specifically, the tail end of the tail fin 4 of the first scissors can move in the limiting hole 7 in a limited way; namely, the limiting holes 7 can limit the first scissors tail fin 4 from being separated from the second scissors tail fin 5, and can allow the first scissors tail fin 4 and the second scissors tail fin 5 to move close to each other.

Preferably, the first scissor tail fin 4 has a first limit position and a second limit position in the limit hole 7; when the first scissor tail fin 4 is located at a first limit position (the leftmost side) in the limit hole 7, the included angle between the first scissor tail fin 4 and the second scissor tail fin 5 is a first limit included angle; when the first scissor tail fin 4 is located at the second limit position (rightmost side) in the limit hole 7, the included angle between the first scissor tail fin 4 and the second scissor tail fin 5 is the second limit included angle. The first limit included angle is smaller than the second limit included angle.

Preferably, the first limit included angle is 10-15 degrees; the second limiting included angle is 45-60 degrees.

Further, the distal ends of the first scissor tail fins 4 are provided in a tapered configuration that gradually decreases in size.

When in use:

in the process that the first cutting part 1 and the second cutting part 2 are gradually closed, the included angle between the first scissors tail fin 4 and the second scissors tail fin 5 is reduced, and the tail end of the first scissors tail fin 4 gradually moves from the second limit position to the first limit position in the limit hole 7. The first scissor tail fin 4 is further pressed down to be in a slightly deformed state, so that the first cutting part 1 and the second cutting part 2 can be completely closed.

Example 4

The present invention discloses a specific embodiment, which discloses a C-shaped surgical scissors with self-resetting function on the basis of embodiment 1 or embodiment 2, as shown in fig. 5.

Specifically, in the C-shaped surgical scissors of the present embodiment, the spring structure 8 is disposed between the first scissors tail fin 4 and the second scissors tail fin 5.

Preferably, as shown in fig. 5, the spring structure 8 is arranged at the tail of the C-shaped surgical scissors.

Further, the spring structure 8 can limit the deflection angle between the first scissors tail fin 4 and the second scissors tail fin 5.

Further, when the spring structure 8 is in the initial state, the included angle between the first cutting portion 1 and the second cutting portion 2 is smaller than 90 degrees. Preferably, the angle between the first shearing portion 1 and the second shearing portion 2 is equal to or less than 60 degrees when the spring structure 8 is in the initial state.

When the scissors are used, the tail wings 4 of the first scissors are pressed downwards, so that the included angle between the tail wings 4 of the first scissors and the tail wings 5 of the second scissors is reduced, the first shearing part 1 and the second shearing part 2 are driven to be closed, and meanwhile, the spring structure 8 is compressed.

According to the C-shaped surgical scissors, the spring structure 8 is arranged between the first scissors tail fin 4 and the second scissors tail fin 5, so that the displacement of the first scissors tail fin 4 and the second scissors tail fin 5 is limited, and the excessive opening is prevented. Meanwhile, the spring structure 8 has an automatic reset function, after the shearing is finished, the first scissor tail fin 4 and the second scissor tail fin 5 are automatically opened, and meanwhile, the first shearing part 1 and the second shearing part 2 are synchronously opened, so that the next shearing action is convenient to carry out.

The C shape surgical scissors of this embodiment, through setting up spring structure 8, need compression spring structure 8 when carrying out the shearing operation, the reaction force that spring structure 8 improved kick-backs to people's hand, improves the human perception degree to the process of shearing operation, makes the operation process more controllable, makes operating personnel stronger to the perception degree of shearing process, is favorable to avoiding the emergence of maloperation.

Compared with the prior art, the technical scheme of the utility model one of following beneficial effect has at least:

the utility model discloses with scissors head and scissors handle global design for "C" shape, can make the operator bypass the spinal cord, visual system such as endoscope is supplementary down directly to the adhesion of spinal cord ventral side cut the release, cut the tumour to the spinal cord ventral side.

The utility model discloses a crooked design has avoided tractive and oppression to the spinal cord, the operation method of handling spinal cord ventral lesion has been proposed to the novelty.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. A C-shaped surgical scissors, comprising: a first cutting part (1), a second cutting part (2), a first scissor tail fin (4) and a second scissor tail fin (5); the first shearing part (1) and the second scissor tail fin (5) are of an integral structure, and the second shearing part (2) and the first scissor tail fin (4) are of an integral structure; the first shearing part (1) and the second shearing part (2) are hinged through a hinge pin (3);

the side surfaces of the first shearing part (1) and the second shearing part (2) are provided with cutting edges; the first scissor tail fin (4) and the second scissor tail fin (5) are both arc-shaped structures, and the bending directions of the first scissor tail fin (4) and the second scissor tail fin (5) are the same.

2. C-shaped surgical scissors according to claim 1, characterized in that the outer side of the first scissors tail fin (4) is provided with an anti-slip thread.

3. C-shaped surgical scissors according to claim 2, wherein the anti-slip patterns are groove structures distributed in an array, or bump structures arranged on the surface of the tail fin (4) of the first scissors.

4. C-shaped surgical scissors according to claim 1 or 2, wherein finger ring structures (6) are arranged on the first scissors tail fin (4) and/or the second scissors tail fin (5), and the finger ring structures (6) can allow fingers to pass through.

5. C-shaped surgical scissors according to claim 4, wherein the finger ring structures (6) are arranged in the middle of the first scissors tail fin (4) and/or the second scissors tail fin (5).

6. C-shaped surgical scissors according to any one of claims 1, 2 or 5, characterized in that the tail end of the tail fin (5) of the second scissors is provided with a limiting hole (7); the tail part of the tail fin (4) of the first scissors penetrates into the limiting hole (7) and is limited through the limiting hole (7).

7. C-shaped surgical scissors according to claim 6, wherein the limiting hole (7) is a U-shaped hole.

8. C-shaped surgical scissors according to claim 7, characterized in that the tips of the first scissors tail fins (4) are provided in a tapered configuration.

9. C-shaped surgical scissors according to any one of claims 1, 2 or 5, characterized in that a spring structure (8) is provided between the first scissors tail fin (4) and the second scissors tail fin (5).

10. C-shaped surgical scissors according to claim 9, wherein the spring structure (8) is arranged at the tail of the first and second scissors tail fins (4, 5).

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