CN107374724B

CN107374724B - Multifunctional electric scalpel

Info

Publication number: CN107374724B
Application number: CN201710648058.0A
Authority: CN
Inventors: 翟路路; 居同法; 金慧成; 应荣超
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2017-08-01
Filing date: 2017-08-01
Publication date: 2021-08-27
Anticipated expiration: 2037-08-01
Also published as: CN107374724A

Abstract

The invention provides a multifunctional electric scalpel, and belongs to the technical field of medical equipment. It has solved the low scheduling problem of current electrotome intelligent degree. This multi-functional electrotome for operation includes interconnect's handle of a knife and tool bit, the handle of a knife is connected with the power, be provided with the button one of control power on the handle of a knife, the tool bit includes flexible axle and working head, the flexible axle is made by insulating material, the inside cavity that has of flexible axle, the inside wire of connecting working head and handle of a knife that is provided with of cavity, be provided with the crooked manometer pipe on the both sides lateral wall of flexible axle respectively and straighten the manometer pipe, the crooked manometer pipe all is connected with the pump body with straightening the manometer pipe, be provided with button two and button three on the handle of a knife, button two is used for the control pump body to crooked manometer pipe conveying pressure and make the crooked manometer pipe to one side bending, button three is used for the control pump body to straightening manometer pipe conveying pressure and make and straighten the manometer pipe and straighten, crooked manometer pipe is not receiving pressure simultaneously with straightening the manometer pipe. The invention has the advantages of high intelligent degree and the like.

Description

Multifunctional electric scalpel

Technical Field

The invention belongs to the technical field of medical equipment, relates to an electric scalpel, and particularly relates to a multifunctional electric scalpel.

Background

The electric scalpel is an electric surgical instrument for replacing a mechanical scalpel to cut tissues, and the tissue is heated when high-frequency high-voltage current generated by the tip of an effective motor is contacted with the body, so that the separation and solidification of the body tissue are realized, and the aims of cutting and hemostasis are fulfilled. The working head of the surgical electric knife head in the prior art is usually straight, only the tissues or organs in the surgical field of vision can be treated by surgery in actual clinic, and when facing other parts outside the field of vision, the straight electric knife can not work freely in the range required by the surgery, only the hook-shaped electric knife can be used, so that the surgery process becomes complicated.

In view of the above problems, a surgical electric knife with a rotatable knife head has been designed, and some of the surgical electric knives have also been applied for patents, for example, a rotatable surgical electric knife head is disclosed in chinese patent literature, and a patent is applied for [ application number: 201420589029.3, respectively; authorization notice number: CN204246237U ], comprising a conductive handle, the conductive handle is composed of at least two sections of rigid conductive handles, the rigid conductive handles are connected in sequence by hinges, one end of the conductive handle is provided with a conductive plug, and the other end is connected with a working head.

The rotatable surgical electric knife head can rotate at any angle through the hinge, and is safe and convenient to use. However, the electric scalpel head can only rotate to a required shape before an operation, and the intelligent degree is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a multifunctional electric scalpel capable of automatically rotating a scalpel head.

The purpose of the invention can be realized by the following technical scheme: a multifunctional electric scalpel for operation comprises a scalpel handle and a scalpel head which are connected with each other, and is characterized in that the scalpel handle is connected with a power supply, the scalpel handle is provided with a first button, the first button controls the electric scalpel to enter an electric cutting mode, the scalpel head comprises a flexible shaft and a working head arranged at the top of the flexible shaft, the flexible shaft is made of an insulating material, a cavity is arranged inside the flexible shaft, a wire for connecting the working head and the scalpel handle is arranged inside the cavity, the side walls of the two sides of the flexible shaft are respectively provided with a bent pressure pipe and a straightening pressure pipe, the bent pressure pipe and the straightening pressure pipe are both connected with a pump body for providing pressure, the bent pressure pipe and the straightening pressure pipe are not communicated with each other, the scalpel handle is provided with a second button and a third button, the second button is used for controlling the pump body to convey pressure to the bent pressure pipe, the bent pressure pipe is connected with the flexible shaft which is bent to one side and fixed when being pressed, the button three be used for controlling the pump body to straightening pressure pipe conveying pressure, the pressure pipe that straightens drive flexible axle when receiving pressure and straighten and fix, crooked pressure pipe with straighten the pressure pipe and not accept pressure simultaneously.

The working principle of the invention is as follows: when the straight electric knife head needs to be used, the button III is pressed, the pump body only provides pressure for the straight pressure pipe, the knife head is straight at the moment, and the button I is pressed to electrify the working head, so that the tissue can be cut. When the curved electric cutter head needs to be used, the second button is pressed, the pump body only provides pressure for the curved pressure pipe, the curved pressure pipe is curved and drives the flexible shaft to be curved, and the cutter head is in a hook shape at the moment and can cut the part of the straight cutter head which cannot be operated. The invention controls the pump body to provide pressure for the bent pressure pipe or the straight pressure pipe through the key, so that the cutter head is in a straight shape or a hook shape, the operation is simple and convenient, the shape of the cutter head can be changed without replacing the cutter head, the pollution of instruments caused by replacing the cutter head is prevented, the operation range of the electric knife is enlarged, and the application range is wide.

In the multifunctional electric scalpel, the handle is also provided with a button four, the button four controls the electric scalpel to enter the electrocoagulation mode, and the button one and the button four are not started at the same time.

In the multifunctional electric scalpel, the rear part of the flexible shaft is connected with the hollow extension pipe, the handle is provided with a push key connected with the tail end of the extension pipe, the handle is also provided with a sliding groove matched with the push key, and the push key can drive the extension pipe and drive the scalpel head to stretch along the length direction of the scalpel head when sliding in the sliding groove.

In the above multifunctional electrosurgical knife, the bent pressure tube and the straightening pressure tube are both hydraulic tubes, and the pump body is a hydraulic pump.

In foretell multifunctional surgical electric knife, the flexible axle form and connect through flexible material between the link by a plurality of sections links concatenation in proper order, the link be the rectangle, the plane of crooked pressure tube is parallel with the lateral wall of link, all be provided with circular-arc lug on the both sides wall of link, lug between the adjacent link is tangent.

In the multifunctional electric scalpel, the limiting part is arranged between the adjacent connecting joints, and two ends of the limiting rod are respectively connected to the circle center positions of the adjacent bumps.

In the multifunctional electric scalpel, the end face, close to the scalpel head, of the scalpel handle is annularly provided with the plurality of light sources, and the scalpel handle is further provided with a button V for controlling the light sources to be turned on and turned off.

In the multifunctional electric scalpel, the handle is further provided with a button six, and the button six is further used for controlling the change of the focal length of the light source.

In the multifunctional electric scalpel for surgery, the handle is also provided with a drain pipe communicated with the cavity, the drain pipe is connected with an air pump, and the working head is in a hollow tubular shape and is communicated with the cavity.

In the multifunctional electric scalpel, the side wall of the working head is provided with a plurality of suction holes for discharging smoke and blood.

Compared with the prior art, the invention has the following advantages:

1. the invention directly controls the straightening and bending of the tool bit through the second key and the third key, has simple and convenient operation, prevents the tool bit from being polluted by manual bending or tool bit replacement, enlarges the operation range of the electric knife and has wide application range.

2. The electric knife has two operation modes of electric cutting and electric coagulation, can realize the conversion of the operation modes through the first key and the fourth key, is simple and convenient, and further enlarges the application range of the electric knife.

3. The rear part of the flexible shaft is connected with the extension pipe, the cutter head can be extended by pushing the push key, the operation is simple and convenient, and the operation range of the electric knife is further expanded.

4. The flexible shaft of the invention realizes automatic bending and straightening through hydraulic pressure, improves the heat dissipation effect of the electrotome and prevents the electrotome from overheating.

5. The flexible shaft is formed by splicing rectangular connecting joints, the side walls of the connecting joints are provided with the lugs, and the adjacent lugs are tangent, so that the flexible shaft can only be bent towards the bending direction of the bending pressure pipe, and the flexible shaft is prevented from shaking.

6. The connecting pieces are arranged between the adjacent connecting joints, so that the stability of the flexible shaft is further improved.

7. The invention is also provided with a plurality of light sources which are arranged annularly, so that the light sources can move along with the movement of the electrotome, and the interference of shadow on the operation can be eliminated by the annular light sources, thereby being convenient for the operation of medical care personnel.

8. The focal length of the light source can be adjusted, the focal length can be adjusted according to the bending or extension of the cutter head, and can also be adjusted according to the requirements of operations, thereby further facilitating the operation of medical personnel.

9. The electric scalpel is also provided with the blow-off pipe, smoke can be generated in the operation process of the electric scalpel, blood seepage and liquid seepage are easily caused, and interference on medical care personnel is caused, the smoke, accumulated blood and accumulated liquid can be directly discharged from the interior of the electric scalpel, stimulation of the smoke on the working personnel is reduced, interference of the accumulated blood and the accumulated liquid on the operation visual field is eliminated, the operation part is clearer, the operation of the medical care personnel is facilitated, the suction hole formed in the side wall of the working head can increase the suction area, and the sewage discharge effect is further improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic sectional view of the tool tip of the present invention in a straightened state.

Fig. 3 is a schematic view of the structure of the tool tip of the present invention in a bent state.

In the figure, 1, a knife handle; 2. a cutter head; 3. a power source; 4. pressing a first key; 5. a flexible shaft; 6. a working head; 7. a cavity; 8. a wire; 9. bending the pressure tube; 10. straightening the pressure pipe; 11. a pump body; 12. pressing a second key; 13. pressing a key three; 14. pressing a key; 15. an extension tube; 16. pushing a key; 17. a chute; 18. a connecting section; 19. a bump; 20. a limiting member; 21. a light source; 22. pressing a key five; 23. pressing a key six; 24. a blow-off pipe; 25. an air pump; 26. a suction hole.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the multifunctional electrosurgical knife comprises a knife handle 1 and a knife head 2 which are connected with each other, the knife handle 1 is connected with a power supply 3, a first button 4 is arranged on the knife handle 1, the first button 4 controls the electrosurgical knife to enter an electrotomy mode, the knife head 2 comprises a flexible shaft 5 and a working head 6 arranged at the top of the flexible shaft 5, the flexible shaft 5 is made of an insulating material, a cavity 7 is arranged inside the flexible shaft 5, a lead 8 for connecting the working head 6 with the knife handle 1 is arranged inside the cavity 7, a bent pressure pipe 9 and a straightening pressure pipe 10 are respectively arranged on the side walls of two sides of the flexible shaft 5, the bent pressure pipe 9 and the straightening pressure pipe 10 are both connected with a pump body 11 for providing pressure, the bent pressure pipe 9 and the straightening pressure pipe 10 are not communicated with each other, a second button 12 and a third button 13 are arranged on the knife handle 1, the second button 12 is used for controlling the pump body 11 to convey pressure to the bent pressure pipe 9, drive flexible axle 5 to the lateral bending and fixed when crooked manometer pipe 9 accepts pressure, three 13 keys are used for controlling the pump body 11 to straightening manometer pipe 10 delivery pressure, and drive flexible axle 5 when straightening manometer pipe 10 accepts pressure straightens and fixes, and crooked manometer pipe 9 does not accept pressure simultaneously with straightening manometer pipe 10. Crooked pressure pipe 9 is the bending state when being full of pressure in inside, and extension pressure pipe 10 is the extension state when being full of pressure in inside, and the electrotome is at the in-process of work, only need the top of working head 6 touch can, need not the power, therefore the pump body 11 only need provide crooked pressure pipe 9 and the required pressure of extension pressure pipe 10 can.

In order to increase the operation mode of the electric scalpel, a button four 14 is further arranged on the scalpel handle 1, the button four 14 controls the electric scalpel to enter the electrocoagulation mode, and the button one 4 and the button four 14 are not started at the same time. Electric knife cutting mode: the high-density high-frequency current intensively heats the surface of local tissues, so that the tissue components of the tissues are rapidly expanded and burst to be separated without applying any external force. Electrotome coagulation mode: the lower high frequency power and the lower current density heat bleeding and moist tissues to volatilize liquid components, dry the tissues, coagulate and seal blood vessels, but not reach the tissue bursting degree, so the coagulation power is lower.

In order to enlarge the operation range of the electric knife, the rear part of the flexible shaft 5 is connected with a hollow extension pipe 15, a push key 16 connected with the tail end of the extension pipe 15 is arranged on the knife handle 1, a sliding groove 17 matched with the push key 16 is further arranged on the knife handle 1, and when the push key 16 slides in the sliding groove 17, the extension pipe 15 can be driven and the knife head 2 can be driven to stretch along the length direction of the knife head 2.

Preferably, the bent pressure pipe 9 and the straight pressure pipe 10 are both hydraulic pipes, and the pump body 11 is a hydraulic pump. This setting can carry the radiating effect who adds the electrotome, prevents that the electrotome is overheated.

In further detail, the flexible shaft 5 is formed by sequentially splicing a plurality of connecting joints 18, the connecting joints 18 are connected through flexible materials, the connecting joints 18 are rectangular, the plane where the bent pressure pipe 9 is bent is parallel to the side walls of the connecting joints 18, circular-arc convex blocks 19 are arranged on the two side walls of each connecting joint 18, the convex blocks 19 between the adjacent connecting joints 18 are tangent, a limiting part 20 is further arranged between the adjacent connecting joints 18, and the two ends of the limiting rod are respectively connected to the circle center positions of the adjacent convex blocks 19. This setting makes flexible axle 5 can only be crooked towards the crooked direction of crooked pressure pipe 9, prevents to rock about the electrotome, has improved the stability of electrotome, and the medical personnel of being convenient for operate, and is provided with the connecting piece between the adjacent connecting block, can further promote the stability of flexible axle 5.

In more detail, a plurality of light sources 21 are annularly arranged on the end surface of the knife handle 1 close to one side of the knife head 2, and a button five 22 for controlling the on-off of the light sources 21 is further arranged on the knife handle 1. The arrangement enables the power supply 3 to move along with the movement of the electrotome, and the light source 21 arranged in an annular shape can eliminate the interference of shadow, thereby facilitating the operation of medical personnel.

In more detail, the knife handle 1 is further provided with a button six 23, and the button six 23 is further used for controlling the change of the focal length of the light source 21. This setting can be followed according to 2 crooked or extension focusing of tool bit, also can be adjusted the focus according to the demand of operation, further makes things convenient for medical personnel to operate.

In order to prevent the smog, hematocele and dropsy generated in the use process of the electrotome from affecting the sight line, a sewage discharge pipe 24 communicated with the cavity 7 is also arranged in the handle 1, the sewage discharge pipe 24 is connected with an air suction pump 25, and the working head 6 is in a hollow tubular shape and is communicated with the cavity 7.

In order to make the smoke exhaust effect better, a plurality of suction holes 26 for discharging the sewage are formed on the side wall of the working head 6.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the tool shank 1, the tool bit 2, the power supply 3, the first button 4, the flexible shaft 5, the working head 6, the cavity 7, the conducting wire 8, the bent pressure tube 9, the straightened pressure tube 10, the pump body 11, the second button 12, the third button 13, the fourth button 14, the extension tube 15, the push button 16, the sliding groove 17, the connecting joint 18, the bump 19, the limiting part 20, the light source 21, the fifth button 22, the sixth button 23, the sewage pipe 24, the air suction pump 25, the suction hole 26 and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a multi-functional surgical electrotome, includes interconnect's handle of a knife (1) and tool bit (2), its characterized in that, handle of a knife (1) be connected with power (3), handle of a knife (1) on be provided with button (4), button (4) control surgical electrotome get into the electrotomy mode, tool bit (2) including flexible axle (5) and install working head (6) at flexible axle (5) top, flexible axle (5) make by insulating material, flexible axle (5) inside cavity (7) have, cavity (7) inside be provided with wire (8) of connecting working head (6) and handle of a knife (1), be provided with crooked pressure pipe (9) and stretch pressure pipe (10) on the both sides lateral wall of flexible axle (5) respectively, crooked pressure pipe (9) and stretch pressure pipe (10) all be connected with the pump body (11) that are used for providing pressure, crooked pressure pipe (9) and stretch pressure pipe (10) each other not communicate, handle of a knife (1) on be provided with two (12) of button and three (13) of button, two (12) of button be used for controlling the pump body (11) to crooked pressure pipe (9) delivery pressure, crooked pressure pipe (9) when accepting pressure drive flexible axle (5) to one side bending and fixed, three (13) of button be used for controlling the pump body (11) to straightening pressure pipe (10) delivery pressure, straightening pressure pipe (10) drive flexible axle (5) when accepting pressure and stretch and fix, crooked pressure pipe (9) and straightening pressure pipe (10) not accept pressure simultaneously.

2. The multifunctional electrosurgical knife according to claim 1, wherein a button four (14) is further disposed on the handle (1), the button four (14) controls the electrosurgical knife to enter the electrocoagulation mode, and the button one (4) and the button four (14) are not activated simultaneously.

3. The multifunctional electric scalpel for surgeries according to claim 1, wherein the rear part of the flexible shaft (5) is connected with a hollow extension tube (15), the handle (1) is provided with a push key (16) connected with the end of the extension tube (15), the handle (1) is further provided with a sliding groove (17) matched with the push key (16), and the push key (16) can drive the extension tube (15) and drive the scalpel head (2) to stretch along the length direction of the scalpel head (2) when sliding in the sliding groove (17).

4. A multifunctional electrosurgical knife according to claim 1, characterized in that said curved pressure tube (9) and said straightened pressure tube (10) are hydraulic tubes, and said pump body (11) is a hydraulic pump.

5. The multifunctional electrosurgical knife according to claim 1, characterized in that the flexible shaft (5) is formed by sequentially splicing a plurality of connecting joints (18) and the connecting joints (18) are connected through a flexible material, the connecting joints (18) are rectangular, the curved plane of the curved pressure tube (9) is parallel to the side walls of the connecting joints (18), the two side walls of the connecting joints (18) are both provided with arc-shaped convex blocks (19), and the adjacent convex blocks (19) between the connecting joints (18) are tangent.

6. The multifunctional surgical electrotome according to claim 5, wherein a limiting member (20) is further disposed between the adjacent connecting joints (18), and two ends of the limiting member are respectively connected to the circle center positions of the adjacent projections (19).

7. The multifunctional electrosurgical knife according to claim 1, wherein the end surface of the knife handle (1) on the side close to the knife head (2) is annularly provided with a plurality of light sources (21), and the knife handle (1) is further provided with a fifth key (22) for controlling the light sources (21) to be turned on and off.

8. The multifunctional electrosurgical knife according to claim 7, characterized in that a sixth button (23) is further disposed on the handle (1), and the sixth button (23) is further used for controlling the change of the focal length of the light source (21).

9. The multifunctional electric scalpel for surgery as defined in claim 1, wherein a drain pipe (24) communicated with the cavity (7) is further arranged in the handle (1), the drain pipe (24) is connected with an air pump (25), and the working head (6) is in a hollow tubular shape and communicated with the cavity (7).

10. The multifunctional surgical electrotome according to claim 9, wherein the side wall of the working head (6) is provided with a plurality of suction holes (26) for discharging smoke and blood.