CN112402006B

CN112402006B - Electric scalpel capable of manually controlling and adjusting power

Info

Publication number: CN112402006B
Application number: CN202011083080.3A
Authority: CN
Inventors: 陈聪德; 潘慰吾; 周伟中; 钱为特; 林孝坤; 夏立广
Original assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Current assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-08-31
Anticipated expiration: 2040-10-12
Also published as: CN112402006A

Abstract

The invention discloses an electric scalpel capable of manually controlling and adjusting power, which comprises a shell, a scalpel body, a slide rheostat and a power wire, wherein the scalpel body is arranged in the shell and extends out of the front end of the shell for use, the slide rheostat is fixed on the inner wall of the shell, the power wire is arranged at the rear end of the shell and is connected with one end of the slide rheostat, the other end of the slide rheostat is connected with the scalpel body through a wire, a slide handle is arranged in a longitudinal groove in the side wall of the shell and can slide up and down along the direction of the longitudinal groove, a slide sheet of the slide rheostat is connected with one end of the slide handle, and the slide sheet can be driven to slide by stirring the slide handle, therefore, the current flowing through the cutter body is controlled by controlling the resistance value of the slide rheostat, the controller is arranged in the shell and connected with the display screen on the shell, and the slide rheostat is connected with the controller through a lead and used for displaying the current flowing through the cutter body so as to monitor the operating power of the cutter body. The invention is convenient for doctors to hold the electrotome to adjust the power and meets different use requirements.

Description

Electric scalpel capable of manually controlling and adjusting power

Technical Field

The invention relates to the field of medical instruments, in particular to an electric scalpel capable of manually adjusting power.

Background

Modern surgical operation is not separated from the participation of operation electrotome, and modern operation electrotome generally belongs to electric heat operation electrotome, and electric heat operation electrotome generally possesses two kinds of functions, and one is to the human soft tissue cutting, and its second is stanchs or bonds the human soft tissue, and its theory of operation is to electrifying on the cutter body and utilizing the produced fuel factor of electric heat ring energy ware on the cutter body to realize relevant operation. Compared with common scalpels and high-frequency scalpels, the electric heating scalpel has the advantages of good hemostatic effect, small damage to soft tissues of a human body, and no phenomena of charring, sticking and the like of soft tissues in the process of cutting the tissues of the human body. However, the existing electric scalpel still has some defects, doctors cannot adjust the power of the electric scalpel at any time in the process of using the electric scalpel, so that different types of surgeries need to be performed by replacing different electric scalpels to meet the operation requirements, the existing electric scalpel cannot detect the operation power and the temperature of a scalpel body, doctors cannot adjust the surgery process according to relevant parameters of the electric scalpel, the treatment process is delayed, the surgery efficiency is reduced, the length of a scalpel head of the traditional electric scalpel cannot be extended or contracted in the surgery process, the scalpel head can only be detached and replaced outside the surgery to meet the requirement of being adapted to a specific surgery, the stability and the continuity of the surgery are greatly influenced, and the personalized requirements of different types of surgeries at present cannot be met.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electric scalpel capable of manually adjusting power, wherein the purpose of adjusting the running power of the electric scalpel at any time is achieved by additionally arranging an adjustable resistor in an electric scalpel shell and arranging a sliding handle connected with an adjustable resistor sliding sheet in a longitudinal groove of the shell. Simultaneously add the controller that is connected with adjustable resistance in electrotome inside, the display screen on controller and the electrotome shell of operation is connected, and the doctor can directly obtain the real-time power of electrotome through the display to adjust electrotome power in real time.

In order to achieve the purpose, the invention provides the following technical scheme: the electric scalpel capable of manually controlling and adjusting power comprises a shell, a scalpel body, a sliding rheostat and a power wire, wherein the scalpel body is arranged in the shell and extends out of the front end of the shell for use, the sliding rheostat is fixed on the inner wall of the shell, the power wire is arranged at the rear end of the shell and is connected with one end of the sliding rheostat, the other end of the sliding rheostat is connected with the scalpel body through a wire, a sliding handle is arranged in a longitudinal groove in the side wall of the shell and can slide up and down along the direction of the longitudinal groove, a sliding sheet of the sliding rheostat is connected with one end of the sliding handle, and the sliding handle can be pulled to drive the sliding sheet to slide, therefore, the current flowing through the cutter body is controlled by controlling the resistance value of the slide rheostat, the controller is arranged in the shell and connected with the display screen on the shell, and the slide rheostat is connected with the controller through a lead and used for displaying the current flowing through the cutter body so as to monitor the operating power of the cutter body.

As an improvement, a temperature sensor is arranged on the inner wall of the shell close to the cutter body, and the temperature sensor is connected with the controller through a lead and used for monitoring the temperature of the cutter body. Doctor's accessible screen on the shell carries out real-time supervision to cutter body temperature to whether in time judge current cutter body temperature be fit for present operation stage or operation type and judge whether the electrotome has the trouble and need maintain, thereby be unlikely to blindly carry out the operation and bring the operation risk, avoid causing human soft tissue because of the operation error impaired.

As an improvement, the cutter body top is provided with the screw thread post, and screw thread post top is provided with prismatic, is provided with the fixed plate on the shell inner wall, be provided with on the fixed plate with prismatic looks adaptation's arris hole, set up on the fixed plate prismatic through arris hole slidable, the rotation is equipped with the change on the shell lateral wall, is provided with the screw thread on the change inner wall, change and screw thread post threaded connection, through rotating the change and adjusting the cutter body for the length that the shell stretches out outwards.

As an improvement, a manually power adjustable electrosurgical knife according to the claims wherein: the screw post top is provided with the spring, and spring one end is connected with the fixed spreader that sets up in the shell inboard, is provided with the spring hole with spring looks adaptation on the fixed plate, and the other end of spring passes through the spring hole to be connected with prismatic, and the spring remains compression state throughout, and the cutter body is for the in-process that the shell outwards stretched out, and the spring is exerted a thrust to prismatic all the time.

As an improvement, the sliding handle and the rotating ring are provided with anti-skidding textures for enhancing the friction force between the fingers and the components.

As an improvement, the threaded column is provided with a limiting abutting part, and when the threaded column moves to a limit position, the abutting part is clamped on the rotating ring.

As an improvement, the cutter body is provided with scales which are used for marking the outward extending distance of the cutter body.

As an improvement, the side surface of the longitudinal groove is provided with a limiting hole, the limiting hole is in threaded connection with a limiting screw rod, the limiting screw rod is rotated to extend towards the inside of the shell, the longitudinal groove is divided into an upper sliding section and a lower sliding section, when the sliding handle is positioned in the upper sliding section, the extended limiting screw rod blocks the sliding handle from sliding towards the lower sliding section, and when the sliding handle is positioned in the lower sliding section, the extended limiting screw rod blocks the sliding handle from sliding towards the upper sliding section.

As an improvement, a fixed column positioned on the inner wall of the shell is arranged right opposite to the bottom of the limiting screw, a magnet is arranged on a column head of the fixed column, and when the limiting screw is rotated to extend to the column head of the fixed column towards the inside of the shell, the limiting screw and the magnet are adsorbed together under the action of magnetic force.

The invention has the beneficial effects that: set up the slip handle in the longitudinal trough on the shell through stirring, the doctor can adjust electrotome power at any time, through being connected slip rheostat and controller, the controller is connected with the display on the shell, doctor's accessible display screen observes the operating power of operation electrotome at any time, can be according to the different stages of operation and to different human soft tissues, in time adjust electrotome operating power, the accuracy and the continuity of operation have been guaranteed, the operation effect has been strengthened, simultaneously through the regulation to the power, this electrotome also can adapt to other operation types except cutting, for example solidify the blood vessel and must guarantee that the temperature electrotome is at certain numerical range, otherwise probably arouse vascular tissue to collapse.

Drawings

Fig. 1 is a schematic perspective view of the electrosurgical knife of the present invention.

Fig. 2 is a partial longitudinal sectional structural view of the first embodiment of the electrosurgical knife of the present invention.

Fig. 3 is a partial longitudinal sectional structural view of a second embodiment of the electrosurgical knife of the present invention.

Fig. 4 is a schematic perspective view of the body of the electrosurgical knife of the present invention.

Fig. 5 is a partial cross sectional structural view of a second embodiment of the electrosurgical knife of the present invention.

Fig. 6 is a partial longitudinal sectional structural view of a third embodiment of the electrosurgical knife of the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5, and 6, which are specific embodiments of the electric scalpel capable of manually adjusting power according to the present invention, the present embodiment includes a housing 1, a scalpel body 2 disposed in the housing 1 and extending from the front end of the housing 1, a sliding rheostat 3 fixed on the inner wall of the housing 1, and a power cord disposed at the rear end of the housing 1 and connected to one end of the sliding rheostat 3, wherein the other end of the sliding rheostat 3 is connected to the scalpel body 2 through a wire, a sliding handle 12 is disposed in a longitudinal slot 11 of a sidewall of the housing 1, the sliding handle 12 can slide up and down along the longitudinal slot direction, a sliding piece 31 of the sliding rheostat 3 is connected to one end of the sliding handle 12, the sliding handle 12 can be pulled to drive the sliding piece 31 to slide, so as to control the current flowing through the scalpel body 2 by controlling the resistance of the sliding, the controller 4 is connected with a display screen 5 on the housing 1, and the slide rheostat 3 is connected with the controller 4 through a wire for displaying the current flowing through the cutter body 2 so as to monitor the operating power of the cutter body 2.

When the invention is used, a doctor starts the electric scalpel, the scalpel body 2 of the electric scalpel performs an operation after being electrified and preheated, and cuts soft tissues of a human body, in the operation process, the sliding handle 12 is arranged in the longitudinal groove 11, the doctor can adjust the resistance value 3 of the sliding rheostat in the shell 1 by pulling the sliding handle 12 to slide up and down at any time, so as to adjust the current flowing through the sliding rheostat 3 and control the operation power of the electric scalpel body 2, meanwhile, the sliding rheostat 3 is connected with the controller 4, the controller 4 is connected with the display screen 5 arranged on the shell 1, the doctor can observe the current flowing through the electric scalpel at any time through the display screen 5 and observe the operation power of the electric scalpel, the operation power of the electric scalpel can be timely adjusted according to different stages of the operation and different soft tissues of the human body, the accuracy and the continuity of the operation are ensured, and the operation effect is enhanced, at the same time, the electrotome can be adapted to other types of surgery than cutting by adjusting the power, for example, the temperature of the electrotome must be kept within a certain value range for coagulating blood vessels, otherwise the blood vessel tissue can be caused to collapse.

As a modified embodiment, a temperature sensor 21 is arranged on the inner wall of the housing 1 near the cutter body 2, and the temperature sensor 21 is connected with the controller 4 through a wire for monitoring the temperature of the cutter body 2.

As shown in fig. 2, in this embodiment, a temperature sensor 21 is disposed on the inner wall of the housing 1 near the cutter body 2 to collect temperature data near the cutter body 2, the temperature sensor 21 is connected to the controller 4, the controller 4 is connected to the display screen 5, so that a doctor can conveniently and quickly observe the temperature value of the cutter body 2 through the screen 5 to know the actual temperature of the cutter body 2 during the operation, and since there is a possibility of data inaccuracy in calculating the temperature of the cutter body 2 by measuring and calculating the power of the cutter body 2, and there is a delay error between the actual temperature and the calculated temperature, the data error is reduced by directly measuring the actual temperature of the cutter body 2, thereby improving the operation accuracy.

As an improved specific embodiment, a threaded column 22 is arranged above the cutter body 2, a prism 24 is arranged above the threaded column 22, a fixing plate 25 is arranged on the inner wall of the housing 1, a prismatic hole 241 matched with the prism 24 is arranged on the fixing plate 25, the prism 24 is slidably arranged on the fixing plate 25 through the prismatic hole 241, a rotary ring 13 is rotatably arranged on the side wall of the housing 1, threads are arranged on the inner wall of the rotary ring 13, the rotary ring 13 is in threaded connection with the threaded column 22, and the length of the cutter body 2 extending outwards relative to the housing 1 is adjusted by rotating the rotary ring 13.

As shown in fig. 3, a rotatable swivel 13 is arranged on the side wall of the housing 1, the swivel 13 is rotatably embedded in the housing 1, the swivel 13 is in threaded connection with a threaded column 22 arranged above the cutter body 2, a prism 24 is arranged above the threaded column 22, the prism 24 is in sliding connection with a fixing plate 25 fixed on the inner wall of the housing 1 through a matched prism hole 241, the cutter body 2 and the housing 1 can move up and down relatively by rotating the swivel 13, i.e. the extension length of the cutter body 2 relative to the housing 1 is changed, a doctor can have different operation types and different operation stages, the extension length of the cutter body 2 is changed for different human soft tissues, meanwhile, the sliding design of the prism 24 and the fixing plate 25 makes the cutter body 2 more stable in the process of extension and retraction, which is beneficial to the stability and accuracy of precision operations, and reduces the risk of operation errors caused by shaking of the cutter body 2 in the process of extension and retraction, the length of the scalpel body 2 can be adjusted at any time in the operation process, the time for replacing the scalpel is saved, the operation efficiency is improved, the continuity and the stability of the operation are ensured,

as an improved specific embodiment, a spring 23 is arranged above the threaded column 22, one end of the spring 23 is connected with the fixed cross column 14 arranged inside the housing 1, a spring hole 231 matched with the spring 23 is arranged on the fixed plate 25, the other end of the spring 23 is connected with the prism 24 through the spring hole 231, the spring is always kept in a compressed state, and the spring 23 always applies a thrust force to the prism 24 in the process that the cutter body 2 extends outwards relative to the housing 1.

As shown in fig. 3, a spring 23 is disposed above the threaded post 22, the spring 23 passes through a spring hole 231 adapted on the fixing plate 25 and is connected with the fixed cross post 14 disposed inside the housing 1, and the spring 23 is always kept in a compressed state, so that the spring 23 always applies a downward force to the cutter body 2 during the upward and downward movement of the cutter body 2, thereby enhancing the stability of the cutter body 2 during the upward and downward movement and the stability of the cutter body 2 when the cutter body 2 is stretched and stopped at a certain position.

As a modified embodiment, the sliding handle 12 and the rotating ring 13 are provided with anti-slip textures for enhancing the friction between the fingers and the components.

As shown in fig. 2, 3, 5 and 6, the anti-slip textures are arranged on the sliding handle 12 and the rotary ring 13, so that the friction force between the fingers and the sliding handle 12 and the rotary ring can be increased, a doctor can conveniently adjust the power of the scalpel by shifting the operating handle and adjust the extension length of the scalpel body 2 by rotating the rotary ring 13, and the overall stability of the surgery is enhanced.

As a modified embodiment, the threaded column 22 is provided with a limit abutting part 6, and when the threaded column 22 moves to a limit position, the abutting part 6 is clamped on the rotating ring 13.

As shown in fig. 3, by additionally arranging the limiting contact part 6 on the threaded column 22 and rotating the rotary ring 13, the threaded column 22 moves downwards to drive the cutter body 2 to move downwards, when the threaded column 22 moves downwards to a limit position, the contact part 6 is clamped on the rotary ring 13 to prevent the threaded column 22 from continuously moving downwards, so that the cutter body 2 is prevented from falling off after the threaded column 22 moves downwards to cross the limit position, and the operational danger caused by the falling off of the cutter body is prevented.

As a modified embodiment, the cutter body 2 is provided with a scale 7, and the scale 7 is used for indicating the outward extending distance of the cutter body 2.

As shown in fig. 4, the scale 7 is arranged on the cutter body 2, so that the doctor can conveniently observe at any time, and can judge the outward extending length of the cutter body 2 according to the scale, thereby adjusting the outward extending length of the cutter body 2 by rotating the rotary ring 13 according to the specific conditions of the operation.

As a modified embodiment, a limiting hole 8 is provided on a side surface of the longitudinal groove 11, the limiting hole 8 is in threaded connection with a limiting screw 9, the limiting screw 9 is rotated to extend toward the inside of the housing 1, the longitudinal groove 11 is divided into an upper sliding section and a lower sliding section, when the sliding handle 12 is located in the upper sliding section, the extended limiting screw 9 blocks the sliding handle 12 from sliding toward the lower sliding section, and when the sliding handle 12 is located in the lower sliding section, the extended limiting screw 9 blocks the sliding handle 12 from sliding toward the upper sliding section.

As shown in figures 1 and 6, the electric scalpel for operation belongs to a precise instrument, the power adjustment of the electric scalpel needs to be carried out delicate operation, the failure of the whole operation can be caused by a tiny error, the limiting hole 8 is arranged on the side surface of the longitudinal groove 11, the limiting screw 9 is arranged in the limiting hole 8 in a threaded connection manner, the limiting screw 9 can be rotated to extend towards the interior of the shell 1, so that the longitudinal groove 11 is divided into an up-down sliding interval, when a doctor needs to carry out operation in a smaller electric scalpel power range, the sliding handle 12 is shifted to the up-down sliding interval, the limiting screw 9 is rotated to extend towards the interior of the shell 1, the extended limiting screw 9 can block the sliding handle 12 to slide towards the down interval, the doctor can only shift the sliding handle 12 in the up-sliding area in the operation process, the sliding handle 12 is prevented from being shifted to the down-down sliding interval due to improper operation, when the doctor needs to carry out operation in a larger electric scalpel power range, the sliding handle 12 is shifted to a lower sliding interval, the limiting screw 9 is rotated to enable the limiting screw 9 to extend towards the inside of the shell 1, the extended limiting screw 9 blocks the sliding handle 12 to slide towards an upper interval, a doctor is guaranteed to shift the sliding handle 12 only in a lower sliding area in the operation process, the sliding handle 12 is prevented from being shifted to an upper sliding interval due to improper operation, the accuracy of the operation is prevented from being affected, and the danger brought to the operation due to wrong large-span power adjustment is avoided.

As a modified embodiment, a fixed column 10 positioned on the inner wall of the shell 1 is arranged right opposite to the bottom of the limiting screw 9, a magnet 101 is arranged on the column head of the fixed column 10, and when the limiting screw 9 is rotated to extend to the column head of the fixed column 10 towards the inside of the shell 1, the limiting screw 9 and the magnet 101 are adsorbed together under the action of magnetic force.

As shown in fig. 6, the fixing column 10 located on the inner wall of the housing 1 is arranged right opposite to the bottom of the limit screw 9, the magnet 101 is arranged on the fixing column 10, the magnet 101 and the extended limit screw are adsorbed together through the magnetic action, so that the limit screw 9 of the fixing column 10 prevents the limit screw 9 from shaking up and down to influence the accuracy and stability of the operation, and a doctor can precisely adjust the sliding handle 12 under the assistance of the stable limit screw 9.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The electric scalpel capable of manually controlling and adjusting power is characterized in that: the scalpel comprises a shell (1), a scalpel body (2) which is arranged in the shell (1) and extends out of the front end of the shell (1) for use, a slide rheostat (3) fixed on the inner wall of the shell (1), and a power line which is arranged at the rear end of the shell (1) and is connected with one end of the slide rheostat (3), wherein the other end of the slide rheostat (3) is connected with the scalpel body (2) through a conducting wire, a slide handle (12) is arranged in a longitudinal groove (11) of the side wall of the shell (1), the slide handle (12) can slide up and down along the longitudinal groove direction, a slide sheet (31) of the slide rheostat (3) is connected with one end of the slide handle (12), the slide handle (12) can be pulled to drive the slide sheet (31) to slide, so that the current flowing through the scalpel body (2) is controlled by controlling the resistance value of the slide rheostat (3), a controller (4) is arranged in the shell (1), the controller (4) is connected with a display screen (5) on the shell (1), and the slide rheostat (3) is connected with the controller (4) through a conducting wire and used for displaying the current flowing through the cutter body (2) so as to monitor the operating power of the cutter body (2);

a threaded column (22) is arranged above the cutter body (2), a prism (24) is arranged above the threaded column (22), a fixing plate (25) is arranged on the inner wall of the shell (1), a prismatic hole (241) matched with the prism (24) is arranged on the fixing plate (25), the prism (24) is slidably arranged on the fixing plate (25) through the prismatic hole (241), a rotating ring (13) is rotatably arranged on the side wall of the shell (1), threads are arranged on the inner wall of the rotating ring (13), the rotating ring (13) is in threaded connection with the threaded column (22), and the length of the cutter body (2) extending outwards relative to the shell (1) is adjusted by rotating the rotating ring (13);

a spring (23) is arranged above the threaded column (22), one end of the spring (23) is connected with a fixed transverse column (14) arranged on the inner side of the shell (1), a spring hole (231) matched with the spring (23) is formed in the fixed plate (25), the other end of the spring (23) is connected with the prism (24) through the spring hole (231), the spring (23) is always kept in a compressed state, and the spring (23) always applies a thrust force to the prism (24) in the process that the cutter body (2) extends outwards relative to the shell (1);

a limiting hole (8) is formed in the side face of the longitudinal groove (11), the limiting hole (8) is in threaded connection with a limiting screw (9), the limiting screw (9) is rotated to extend towards the inside of the shell (1), the longitudinal groove (11) is divided into an upper sliding interval and a lower sliding interval, when the sliding handle (12) is located in the upper sliding interval, the extended limiting screw (9) blocks the sliding handle (12) to slide in the lower sliding interval, and when the sliding handle (12) is located in the lower sliding interval, the extended limiting screw (9) blocks the sliding handle (12) to slide in the upper sliding interval;

the magnetic control type shell is characterized in that a fixing column (10) located on the inner wall of the shell (1) is arranged right opposite to the bottom of the limiting screw (9), a magnet (101) is arranged on the column head of the fixing column (10), and when the limiting screw (9) is rotated to extend to the column head of the fixing column (10) towards the inside of the shell (1), the limiting screw (9) and the magnet (101) are adsorbed together under the action of magnetic force.

2. The manually adjustable power electrosurgical knife of claim 1, wherein: the temperature sensor (21) is arranged on the inner wall of the shell (1) and close to the cutter body (2), and the temperature sensor (21) is connected with the controller (4) through a lead and used for monitoring the temperature of the cutter body (2).

3. The manually adjustable power electrosurgical knife of claim 1, wherein: the sliding handle (12) and the rotating ring (13) are provided with anti-skidding textures for enhancing the friction force between fingers and parts.

4. The manually adjustable power electrosurgical knife of claim 1, wherein: the screw thread column (22) is provided with a limiting contact piece (6), and when the screw thread column (22) moves to the limit position, the contact piece (6) is clamped on the rotating ring (13).

5. The manually adjustable power electrosurgical knife of claim 1, wherein: the knife is characterized in that scales (7) are arranged on the knife body (2), and the scales (7) are used for marking the outward extending distance of the knife body (2).