CN217696740U

CN217696740U - Surgical scissors

Info

Publication number: CN217696740U
Application number: CN202221371627.4U
Authority: CN
Inventors: 王晶; 郭立文; 高媛; 刘艳琼
Original assignee: Hunan Cancer Hospital
Current assignee: Hunan Cancer Hospital
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-01
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a surgical scissors, including first tool bit and second tool bit, first tool bit front end lower part and second tool bit rear end lower part fixed connection, it has the U die cavity to open jointly between first tool bit and the second tool bit, U die cavity left part is provided with telescopic machanism, U die cavity right-hand member is provided with the fixed block and shears the mechanism, it is located the dead ahead of fixed block to shear the mechanism, the handle is installed jointly to first tool bit and second tool bit surface lower part, handle front end from the top down has set gradually flexible control knob and shearing shift knob, inside control chip and the battery module of being provided with of handle, and control chip and telescopic machanism, the equal electric connection of shearing mechanism, flexible control knob and telescopic machanism electric connection. The utility model discloses a set up the silk thread length that telescopic machanism need remain after being used for adjusting the silk thread knot, through setting up the fixed block and shearing the shearing that the silk thread was realized to the mechanism, easy operation is convenient, and the practicality is strong.

Description

Surgical scissors

Technical Field

The utility model relates to the technical field of medical equipment, in particular to surgical scissors.

Background

After the surgical operation suture is finished, the thread head needs to be reserved, the silk thread is generally reserved for 1-2 mm, the silk thread at important parts such as large blood vessels is reserved for 3-4 mm, the intestinal thread is generally reserved for 3-4 mm, the stainless steel wire is generally reserved for 5-6 mm, and the skin suture is reserved for 1cm. Generally, according to the skill and experience of a surgeon, the thread trimming length of the silk thread is easy to have errors, the silk thread is easy to be bound and fall off when the length of the silk thread is kept too short, and the silk thread is easy to be adhered and cause heavy foreign body reaction when the length of the silk thread is kept too long, so that the length of the silk thread is reserved by adopting a telescopic structure, and adverse reaction caused by too long or too short thread is avoided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a surgical scissors, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a surgical scissors, includes first tool bit and second tool bit, first tool bit front end lower part and second tool bit rear end lower part fixed connection, it has the U die cavity to open jointly between first tool bit and the second tool bit, U die cavity left part is provided with telescopic machanism, U die cavity right-hand member is provided with the fixed block and shears the mechanism, it is located the fixed block dead ahead to shear the mechanism, the handle is installed jointly to first tool bit and second tool bit surface lower part, handle front end from the top down has set gradually flexible control knob and shear switch button, inside control chip and the battery module of being provided with of handle, and control chip and telescopic machanism, the equal electric connection of shear mechanism, flexible control knob and telescopic machanism electric connection, shear switch button and shearing mechanism electric connection.

Preferably, telescopic machanism is including fixed pipe and motor, fixed pipe surface and U die cavity inner wall fixed connection, fixed pipe surface sliding connection has the one-level expansion pipe, one-level expansion pipe surface sliding connection has the second grade expansion pipe, the common swing joint of fixed pipe surface, one-level expansion pipe surface and second grade expansion pipe surface has flexible connecting rod, motor front end and second tool bit rear end fixed connection, motor output end and fixed pipe and flexible connecting rod junction fixed connection, fixed pipe is unable to be removed, one-level expansion pipe and second grade expansion pipe all can the flexible removal.

Preferably, the cross sections of the fixed pipe, the first-stage movable pipe and the second-stage movable pipe are C-shaped structures.

Preferably, two concave grooves are formed in the front end of the fixing block and are distributed in a bilateral symmetry mode.

Preferably, the shearing mechanism includes electric putter, electric putter front end and second tool bit rear end fixed connection, the mounting panel is installed to the electric putter output, the blade is installed to the mounting panel front end and is pressed the briquetting, it is provided with two, two to press the briquetting and use the blade to be bilateral symmetry distribution as the center.

Preferably, the two pressing blocks are respectively positioned right in front of the two concave grooves, and the width difference between the blade and the pressing block is smaller than the width of the concave groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. when the novel cutting device is used, the length of the reserved silk thread can be adjusted according to requirements, the length of the reserved silk thread is adjusted conveniently and conveniently, the fixing block and the cutting mechanism are arranged, when the novel cutting device is used, the length of the reserved silk thread is adjusted according to relevant requirements, the motor is started by rotating the telescopic control knob, the output end of the motor drives the telescopic connecting rod to rotate in the forward direction, the angle of an adjacent included angle in the telescopic connecting rod is increased, the tail end of the telescopic connecting rod extends, the primary movable pipe and the secondary movable pipe are synchronously driven to move outwards until the distance between the secondary movable pipe and the fixing block reaches the length reserved by the silk thread, then the silk thread behind the silk thread is placed into the U-shaped cavity, the opening button in the cutting switch button is pressed down to start the electric push rod, the output end of the electric push rod extends to drive the pressing blocks and the blades to move towards the direction close to the silk thread synchronously, the two pressing blocks are firstly contacted with the silk thread, then the blades are tightly contacted with the silk thread until the silk thread is cut off, then the silk thread is pressed down, the closing button in the cutting switch button is pressed down, the electric push rod is reset, the novel cutting device can be used, the length of the reserved silk thread can be adjusted according to adjust the length of the reserved silk thread according to requirements, the operation is simple and convenient, and the practical applicability is strong;

2. when in shearing, the pressing block is firstly arranged to contact with the silk thread, so that the sheared part of the silk thread is in a tight state, the silk thread is prevented from shifting when the silk thread is sheared, and the thread shearing quality and the precision of the reserved silk thread are improved;

3. the blade is located the U die cavity, can not contact with patient's skin, has improved the security, is convenient for grip through setting up the handle, has improved the practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of a pair of surgical scissors according to the present invention;

FIG. 2 is a side view of the overall structure of a pair of surgical scissors of the present invention;

FIG. 3 is a schematic view illustrating the usage effect of the surgical scissors of the present invention;

FIG. 4 is a schematic view of a portion of a surgical scissors of the present invention;

FIG. 5 is a schematic view of a portion of a surgical scissors of the present invention;

FIG. 6 is a schematic view of a portion of a surgical scissors of the present invention;

FIG. 7 is a schematic view of the overall structure of the telescopic mechanism of the surgical scissors of the present invention;

FIG. 8 is a schematic view of a portion of the telescopic mechanism of the surgical scissors of the present invention;

fig. 9 is a schematic view of the overall structure of the fixing block of the surgical scissors of the present invention;

fig. 10 is a schematic view of the overall structure of the shearing mechanism of the surgical scissors of the present invention.

In the figure: 1. a first cutter head; 2. a second cutter head; 3. a U-shaped cavity; 4. a telescoping mechanism; 5. a fixed block; 6. a shearing mechanism; 7. a handle; 8. a telescopic control knob; 9. a shear switch button; 10. a silk thread; 11. silk thread knots; 31. a fixed tube; 32. a primary movable tube; 33. a secondary movable tube; 34. a motor; 35. a telescopic connecting rod; 41. a recessed groove; 51. an electric push rod; 52. mounting a plate; 53. a pressing block; 54. A blade.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-10, a pair of surgical scissors comprises a first cutter head 1 and a second cutter head 2, the lower part of the front end of the first cutter head 1 is fixedly connected with the lower part of the rear end of the second cutter head 2, a U-shaped cavity 3,U is jointly formed between the first cutter head 1 and the second cutter head 2, the left part of the cavity 3 is provided with a telescopic mechanism 4,U, the right end of the cavity 3 is provided with a fixed block 5 and a shearing mechanism 6, the shearing mechanism 6 is positioned right in front of the fixed block 5, the lower parts of the outer surfaces of the first cutter head 1 and the second cutter head 2 are jointly provided with a handle 7, the front end of the handle 7 is sequentially provided with a telescopic control knob 8 and a shearing switch button 9 from top to bottom, the handle 7 is internally provided with a control chip and a battery module, the control chip is electrically connected with the telescopic mechanism 4 and the shearing mechanism 6, the telescopic control knob 8 is electrically connected with the telescopic mechanism 4, and the shearing switch button 9 is electrically connected with the shearing mechanism 6.

First tool bit 1 and second tool bit 2 all adopt medical rubber material, and the edge all is provided with the radius structure, are used for placing silk thread 10 through telescopic machanism 4, and adjust silk thread 10's reservation length, cut the shearing that mechanism 6 realized silk thread 10 through the cooperation of fixed block 5, through opening and stopping and turned angle of motor 34 among the telescopic machanism 8 control telescopic machanism 4, through cutting shift knob 9 control cut opening and stopping of electric putter 51 among the mechanism 6.

Telescopic machanism 4 is including fixed pipe 31 and motor 34, fixed pipe 31 surface and 3 inner wall fixed connection in U die cavity, fixed pipe 31 surface sliding connection has one-level movable pipe 32, one-level movable pipe 32 surface sliding connection has second grade movable pipe 33, fixed pipe 31 surface, the common swing joint of one-level movable pipe 32 surface and second grade movable pipe 33 surface has telescopic link 35, motor 34 front end and 2 rear end fixed connection of second tool bit, motor 34 output and fixed pipe 31 and telescopic link 35 junction fixed connection, fixed pipe 31 is unable to remove, one-level movable pipe 32 and second grade movable pipe 33 all can telescopically remove, telescopic link 35 is prior art, when motor 34 output forward rotates, telescopic link 35 extends and drives one-level movable pipe 32 and the synchronous outside removal of second grade movable pipe 33.

The cross sections of the fixed pipe 31, the first-stage movable pipe 32 and the second-stage movable pipe 33 are C-shaped structures, and silk threads are convenient to place.

The front end of the fixing block 5 is provided with two concave grooves 41, the two concave grooves 41 are distributed in bilateral symmetry, and the concave grooves 41 are used for accommodating the pressing block 53.

Shearing mechanism 6 includes electric putter 51, and electric putter 51 front end and second tool bit 2 rear end fixed connection, and mounting panel 52 is installed to electric putter 51 output, and blade 54 and pressure piece 53 are installed to mounting panel 52 front end, and it is provided with two to press piece 53, presses piece 53 to use blade 54 to be bilateral symmetry distribution as the center for two, and electric putter 51 is prior art, is supplied power by the built-in battery of handle 7.

The two pressing blocks 53 are respectively positioned right in front of the two concave grooves 41, the difference between the widths of the blade 54 and the pressing blocks 53 is smaller than the width of the concave grooves 41, and when the pressing blocks 53 are completely positioned in the concave grooves 41, the blade 54 is in contact with the fixed block 5.

It should be noted that, the utility model relates to a surgical scissors, through setting up telescopic machanism 4 and being used for adjusting the silk thread 10 length that needs to remain behind the silk thread knot 11, realize the shearing of silk thread 10 through setting up fixed block 5 and shearing mechanism 6, when using, at first adjust the length that remains silk thread 10 according to relevant requirement, start motor 34 through rotatory flexible control knob 8, motor 34 output drives telescopic connecting rod 35 forward rotation, adjacent contained angle increase in the telescopic connecting rod 35, make telescopic connecting rod 35 end extension, and drive one-level movable tube 32 and second grade movable tube 33 synchronous outwards movement in step, reach the length that silk thread 10 remained until the distance between second grade movable tube 33 and fixed block 5, then put silk thread 10 behind the silk thread knot 11 into U die cavity 3, press down the opening button in the shear switch button 9 again and start electric putter 51, electric putter 51 output extends and drives pressing block 53 and blade 54 to move to the direction that is close to silk thread 10 in step, two pressing blocks 53 contact with silk thread 10 at first, then blade 54 is closely contacted with silk thread 10 again, then the adjustment is pressed down the opening button in the shear switch 9, the electric putter 51 that can be closed, the practicality is strong according to the simple operation that remains the use of cutting according to the needs; during cutting, the pressing block 53 is arranged to be firstly contacted with the silk thread 10, so that the cut part of the silk thread 10 is in a tight state, the silk thread is prevented from shifting when the silk thread 10 is cut, and the thread cutting quality and the precision of the reserved silk thread are improved; the blade 54 is positioned in the U-shaped cavity 3, cannot be contacted with the skin of a patient, improves safety, is convenient to grip through the handle 7, and improves practicability.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Surgical scissors comprising a first blade (1) and a second blade (2), characterized in that: the cutting tool is characterized in that the lower portion of the front end of the first tool bit (1) is fixedly connected with the lower portion of the rear end of the second tool bit (2), a U-shaped cavity (3) is formed between the first tool bit (1) and the second tool bit (2), a telescopic mechanism (4) is arranged on the left portion of the U-shaped cavity (3), a fixed block (5) and a shearing mechanism (6) are arranged on the right end of the U-shaped cavity (3), the shearing mechanism (6) is located right in front of the fixed block (5), a handle (7) is jointly installed on the lower portions of the outer surfaces of the first tool bit (1) and the second tool bit (2), a telescopic control knob (8) and a shearing switch button (9) are sequentially arranged at the front end of the handle (7) from top to bottom, a control chip and a battery module are arranged inside the handle (7), the control chip is electrically connected with the telescopic mechanism (4) and the shearing mechanism (6), the telescopic control knob (8) is electrically connected with the telescopic mechanism (4), and the shearing switch button (9) is electrically connected with the shearing mechanism (6);

the telescopic mechanism (4) comprises a fixed pipe (31) and a motor (34), the outer surface of the fixed pipe (31) is fixedly connected with the inner wall of the U-shaped cavity (3), the outer surface of the fixed pipe (31) is slidably connected with a first-stage movable pipe (32), the outer surface of the first-stage movable pipe (32) is slidably connected with a second-stage movable pipe (33), the outer surface of the fixed pipe (31), the outer surface of the first-stage movable pipe (32) and the outer surface of the second-stage movable pipe (33) are jointly and movably connected with a telescopic connecting rod (35), the front end of the motor (34) is fixedly connected with the rear end of the second tool bit (2), and the output end of the motor (34) is fixedly connected with the joint of the fixed pipe (31) and the telescopic connecting rod (35);

shear mechanism (6) and include electric putter (51), electric putter (51) front end and second tool bit (2) rear end fixed connection, mounting panel (52) are installed to electric putter (51) output, blade (54) and press piece (53) are installed to mounting panel (52) front end, it is provided with two, two to press piece (53) it uses blade (54) to be the bilateral symmetry distribution as the center to press piece (53).

2. A surgical shears according to claim 1, wherein: the cross sections of the fixed pipe (31), the primary movable pipe (32) and the secondary movable pipe (33) are C-shaped structures.

3. A surgical shears according to claim 2, wherein: two concave grooves (41) are formed in the front end of the fixing block (5), and the two concave grooves (41) are distributed in a bilateral symmetry mode.

4. A surgical shears according to claim 3, wherein: the two pressing blocks (53) are respectively positioned right in front of the two concave grooves (41), and the width difference between the blade (54) and the pressing blocks (53) is smaller than the width of the concave grooves (41).