CN209884320U

CN209884320U - Telescopic electric scalpel

Info

Publication number: CN209884320U
Application number: CN201920409701.9U
Authority: CN
Inventors: 袁旭宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-03
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a telescopic electric scalpel for operation, which comprises a handle shell, an electric cutting button, an electric coagulation button, a wire and a circuit board, wherein the circuit board is pressed in the middle of the handle shell, a metal sleeve is fixed in the handle shell at the bottom side of the circuit board, an electric scalpel head is arranged in the middle of the metal sleeve, an insulator is also arranged between the electric scalpel head and the metal sleeve, the metal sleeve and the insulator are both hollow tubular cylinders, the electric scalpel head is not contacted with the metal sleeve, the electric scalpel head is fixed with the insulator, the metal sleeve has elasticity, the insulator can be pulled relative to the metal sleeve, the inner diameter of the metal sleeve is slightly smaller than the outer diameter of the insulator, the back of the metal sleeve is provided with a linear opening, the front end of the opening is slightly outwards turned, the front end of the insulator extends out of the metal sleeve, an insulating film is arranged between the metal sleeve and the circuit board, and the electric, the wire connected with the rear end of the circuit board extends out of the handle shell. The length of the electric knife can be adjusted.

Description

Telescopic electric scalpel

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to a retractable electrosurgical knife.

Background

The high-frequency surgical electric knife has good hemostatic function while cutting tissues such as skin, abdomen, fat, muscle and the like, so the high-frequency surgical electric knife is widely applied in clinic.

The electric scalpel for operation used at present is composed of handle shell, electric cutting button, electric coagulating button and circuit board with conducting wire, the circuit board is pressed in the handle shell, and the front end of the circuit board is equipped with electric knife head inserting tube, and the electric knife head inserting tube is placed in the front portion of the handle shell. The disadvantages of the electric scalpel are as follows: the length of the electric knife head cannot be adjusted, the electric knife head inserting barrel is short, the electric knife head cannot be lengthened in the single-knife-head inserting barrel in a drawing sliding mode, therefore, in the operation, when the electric knife head needs to be lengthened, the short electric knife head needs to be pulled out, the long electric knife head needs to be replaced, in one operation, the electric knife head needs to be replaced for several times according to different incision depths, the operation is troublesome, the use is not flexible, and the operation time is delayed. And frequent replacement not only delays time, but also risks loss.

Chinese utility model patent (patent No. 200420037890.5) discloses a retractable surgical electrotome, and it inserts the promotion at the tail end of long electrotome head and turns round, and the promotion is turned round and is stretched out from the rectangular gap of electrotome head insert tube side seam and handle shell lateral part, turns round through the promotion and makes the electrotome head stretch out or the indentation, realizes that the electrotome head extension length is adjustable.

The invention aims to provide another length-adjustable electric scalpel for surgery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a retractable electrosurgical knife.

In order to achieve the purpose, the method is realized by the following technical means: a telescopic electric scalpel for operation comprises a handle shell, an electrotomy button, an electrocoagulation button, a lead and a circuit board, wherein the circuit board is pressed in the middle of the handle shell, a metal sleeve is fixed in the handle shell at the bottom side of the circuit board, an electric scalpel head is arranged in the middle of the metal sleeve, an insulator is also arranged between the electric scalpel head and the metal sleeve, the metal sleeve and the insulator are both hollow tubular cylinders, the electric scalpel head is not in contact with the metal sleeve, the electric scalpel head is fixed with the insulator, the metal sleeve has elasticity, the insulator can be pulled relative to the metal sleeve, the inner diameter of the metal sleeve is slightly smaller than the outer diameter of the insulator, a linear opening is arranged on the back of the metal sleeve, the front end of the opening is slightly outwards turned, the front end of the insulator extends out of the metal sleeve, an insulating film is arranged between the metal sleeve and the circuit board, and the, the wire connected with the rear end of the circuit board extends out of the handle shell.

Through the technical scheme, the metal sleeve and the insulator are both hollow tubular cylinders, the insulator is arranged in the metal sleeve, the electric cutter head is positioned in the insulator, and the insulator and the electric cutter head are fixed, so that the front end of the insulator is held by a hand to pull the insulator, the electric cutter head can stretch out and draw back. The arrangement of the insulating film avoids the existence of the metal sleeve to cause the circuit board to be short-circuited easily, and ensures the normal conductive work of the electric tool bit.

The method is further optimized as follows: five annular bulges are uniformly distributed on the peripheral surface of the part of the insulator extending out of the metal sleeve.

Through the technical scheme, the arrangement of the annular bulge increases the friction force between a human hand and the insulator, and the human hand can hold the insulator conveniently to pull.

The method is further optimized as follows: the peripheral surface of the part of the insulator extending out of the metal sleeve is provided with friction grains.

Through the technical scheme, the friction grains are arranged to increase the friction force between the hand and the insulator, so that the person can hold the insulator conveniently to pull, and the pulling operation is different from another mode of the annular protrusion.

The method is further optimized as follows: the inner diameter of the metal sleeve is 3.8mm, and the outer diameter of the insulator is 4 mm.

The method is further optimized as follows: the metal sleeve is made of wrought aluminum alloy.

The method is further optimized as follows: the front end of the electric tool bit is exposed outside the insulator by 25mm, the length of the electric tool bit covered by the insulator is 95mm, the insulator extends out of the metal sleeve by 15mm when not extended, the diameter of the electric tool bit is 2mm, the outer diameter of the insulator is 4mm, and the length of the metal sleeve is 90 mm.

Compared with the prior art, the utility model the advantage lie in: through at electric knife handle shell internal fixation elasticity metal sleeve, the metal sleeve slides and sets up the insulator, the fixed electrotome in the insulator, through the fixed insulator of metal sleeve's elastic action extrusion, rethread pull insulator realizes the flexible of electrotome, length regulation and control promptly, and the opening at the metal sleeve back is outwards turned over and is guaranteed that insulator physical stamina pull gets into in the metal sleeve, and the setting of such pull structure is simple, easy operation, has realized that the length of electrotome is adjustable.

Drawings

FIG. 1 is a schematic cross-sectional view of the electrotome in this embodiment;

fig. 2 is a schematic structural diagram of the front end of the metal sleeve in this embodiment;

fig. 3 is a schematic diagram of the front end structure of the insulator in this embodiment.

In the figure, 1, a handle shell; 2. an electrotomy button; 3. an electrocoagulation button; 4. a wire; 5. a circuit board; 6. a metal sleeve; 7. an insulating film; 8. connecting a lead; 9. an insulator; 10. an electric cutter head; 11. an opening; 12. and (4) protruding.

Detailed Description

The present invention will be described in more detail with reference to the following embodiments, which are illustrative only and are not limiting to the scope of the present invention.

Example 1

As shown in fig. 1, the telescopic electric scalpel for surgery comprises a handle shell 1, an electric excision button 2, an electric coagulation button 3, a lead 4 and a circuit board 5, wherein the circuit board 5 is pressed in the middle of the handle shell 1, a metal sleeve 6 is fixed in the handle shell 1 at the bottom side of the circuit board 5, an electric scalpel head 10 is arranged in the middle of the metal sleeve 6, an insulator 9 is further arranged between the electric scalpel head 10 and the metal sleeve 6, the metal sleeve 6 and the insulator 9 are both hollow tubular cylindrical objects, the electric scalpel head 10 is not in contact with the metal sleeve 6, the electric scalpel head 10 is fixed with the insulator 9, the metal sleeve 6 has elasticity, the inner diameter of the metal sleeve 6 is slightly smaller than the outer diameter of the insulator 9, so that the metal sleeve 6 can be extruded on the insulator 9, and the electric scalpel head 10 and the insulator 9.

Referring to fig. 2, since the metal sleeve 6 has a linear opening 11 on the back, the front end of the opening 11 is turned outward slightly, the front end of the insulator 9 extends out of the metal sleeve 6, so that the insulator 9 can be pulled relative to the metal sleeve 6, the insulating film 7 is disposed between the metal sleeve 6 and the circuit board 5, the end of the electric tool bit 10 extends out of the metal sleeve 6 and is connected to the front end of the circuit board 5 through a connecting wire 84, and the wire 4 connected to the rear end of the circuit board 5 extends out of the handle shell 1.

When the length of the electric cutter head 10 needs to be adjusted, the insulator 9 can be pulled to stretch out of the front end of the metal sleeve 6 by holding the part of the insulator 9, namely, the length of the electric cutter head 10 is adjusted, the opening 11 at the front end of the metal sleeve 6 is turned outwards to ensure that the insulator 9 can be pulled into the metal sleeve 6, and the pulling structure is simple in arrangement and easy to operate, so that the length of the electric cutter head 10 can be adjusted.

Example 2

Referring to fig. 3, in this embodiment, based on embodiment 1, the shape and structure of the portion of the insulator 9, where the front end extends out of the metal sleeve 6, are further defined, and we define that five annular protrusions 12 are uniformly distributed on the outer circumferential surface of the portion of the insulator 9, where the insulator extends out of the metal sleeve 6. The arrangement of the annular protrusion 12 increases the friction between the hand and the insulator 9, so that the hand can hold the insulator 9 conveniently for drawing operation.

Example 3

Referring to fig. 3, in this embodiment, based on embodiment 1, the shape and structure of the portion of the insulator 9 where the front end protrudes out of the metal sleeve 6 are further defined, and we define that the outer peripheral surface of the portion of the insulator 9 protruding out of the metal sleeve 6 has friction grains (in fig. 3, the position corresponding to the position where the protrusion 12 is disposed). The friction grains are arranged to increase the friction force between the hand and the insulator 9, so that the hand can hold the insulator 9 conveniently to pull.

For better effect, the inner diameter of the metal sleeve 6 is 3.8mm, and the outer diameter of the insulator 9 is 4 mm. The metal sleeve 6 is made of wrought aluminum alloy. The front end of the electric tool bit 10 is exposed outside the insulator 9 by 25mm, the length of the insulator 9 covering the electric tool bit 10 is 95mm, the insulator 9 extends out of the metal sleeve 6 by 15mm when not extending, the diameter of the electric tool bit 10 is 2mm, the outer diameter of the insulator 9 is 4mm, and the length of the metal sleeve 6 is 90 mm. Meanwhile, the length of the connecting lead 84 connecting the tail end of the electric tool bit 10 with the front end of the circuit board 5 is limited, so that the longest regulation range of the electric tool bit 10 is 60mm, and the final actual working length of the electric tool bit 10 can reach 100mm by adding 40mm to the initial effective working length of the electric tool bit 10.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A telescopic electric scalpel for operation is composed of a handle shell, an electric cutting button, an electric coagulation button, a conducting wire and a circuit board, which is pressed in the middle of said handle shell, and features that a metal sleeve is fixed in the handle shell at the bottom of circuit board, an electric scalpel head is arranged in the middle of said metal sleeve, an insulator is arranged between said electric scalpel head and metal sleeve, both of said metal sleeve and insulator are hollow tubular cylinder, said electric scalpel head is not in contact with metal sleeve, said electric scalpel head is fixed to insulator, said metal sleeve has elasticity, said insulator can be drawn relative to metal sleeve, the internal diameter of said metal sleeve is slightly less than the external diameter of insulator, a linear opening is arranged on the back of metal sleeve, the front end of opening is turned outwards, the front end of insulator is extended out of metal sleeve, an insulating film is arranged between metal sleeve and circuit board, and the tail end of electric scalpel is extended out of metal sleeve and connected to the front, the wire connected with the rear end of the circuit board extends out of the handle shell.

2. The telescopic surgical electrotome according to claim 1, wherein the insulator has five evenly distributed annular protrusions on the outer peripheral surface of the portion thereof extending outside the metal sleeve.

3. The telescopic surgical electrotome according to claim 1, wherein the insulator has friction marks on the outer peripheral surface of the portion thereof extending outside the metal sleeve.

4. The telescopic electrosurgical knife according to claim 2 or 3, wherein the inner diameter of the metal sleeve is 3.8mm and the outer diameter of the insulator is 4 mm.

5. The retractable electrosurgical knife of claim 4, wherein said metal sleeve is made of wrought aluminum alloy.

6. The telescopic electric scalpel according to claim 2, 3 or 5, wherein the front end of the electric scalpel head is exposed out of the insulator by 25mm, the length of the insulator covering the electric scalpel head is 95mm, the insulator extends out of the metal sleeve by 15mm when not extended, the diameter of the electric scalpel head is 2mm, the outer diameter of the insulator is 4mm, and the length of the metal sleeve is 90 mm.