CN112274242B - Radio frequency electric wave knife convenient for power adjustment - Google Patents
Radio frequency electric wave knife convenient for power adjustment Download PDFInfo
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- CN112274242B CN112274242B CN202011142054.3A CN202011142054A CN112274242B CN 112274242 B CN112274242 B CN 112274242B CN 202011142054 A CN202011142054 A CN 202011142054A CN 112274242 B CN112274242 B CN 112274242B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a radio frequency electric wave knife convenient for power adjustment, which comprises a knife body and a power adjustment device, wherein a knife head is arranged on one side of the knife body, a knife handle is arranged at the bottom of the knife body, a switch button is arranged on the knife handle, the power adjustment device is arranged on one side of the knife body, a clamping groove is formed in the upper surface of the knife body, a clamping block is correspondingly arranged on one side of the power adjustment device, the clamping block is fixedly arranged on the surface of the power adjustment device, the clamping block is clamped in the clamping groove, a counter bore is formed in the knife body, a fastening bolt is connected in the counter bore in a threaded manner, and a threaded hole is formed in one side of the knife body, which is positioned in the clamping groove; according to the invention, the power adjusting device is arranged on the cutter body, and when the power adjusting device is used, a user can directly adjust the power on the cutter body through the power adjusting button, so that the operation is convenient, and the operation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of radio frequency electric wave knives, and particularly relates to a radio frequency electric wave knife convenient for power adjustment.
Background
The radio frequency electric wave knife adopts a directional radio frequency emission technology, high frequency radio frequency electric waves are generated by the tip of the electrode and are contacted with the tissue of the patient, and water molecules in the tissue are instantaneously oscillated and vaporized under the action of the electric waves due to the fact that the impedance of the tissue of the patient absorbs the electric waves, so that cells are burst and vaporized, and the functions of ablation, coagulation and the like are achieved.
Reference may be made to chinese patent publication No. CN208677566U, which discloses a radio frequency electric knife for surgical operation, comprising a knife assembly, a handle assembly, an electronic endoscope assembly and a lighting assembly, wherein the knife assembly is disposed at the front end of the body of the handle assembly; the electronic endoscope assembly and the illumination assembly are both arranged at the lower end of the cutter assembly and are connected to the front end of the grip through transmission wires, the electronic endoscope assembly is used for shooting target operation images, and the illumination assembly is used for illuminating a target operation area.
The radio frequency electric wave knife for the surgical operation can realize the functions of tissue suction, biopsy sampling, illumination, physiological saline water injection, electronic endoscope and the like in the operation; however, the above-mentioned rf scalpels for surgical operation still have some drawbacks, such as: inconvenient to adjust power, when needing to adjust power, need control through trampling the switch on the pedal controller or clicking the shift knob on the host computer, user's operation is inconvenient, can not directly adjust power at the radio frequency electric wave sword, has reduced operation efficiency.
Disclosure of Invention
The invention aims to provide a radio frequency electric wave knife convenient for power adjustment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a radio frequency electric wave knife convenient to power regulation, includes blade, host computer and power regulation device, one side of blade is provided with the tool bit, set up the radio frequency circuit system with tool bit electric connection in the host computer, set up power regulation circuit system in the power regulation device, the bottom of blade is provided with the handle of a knife, be provided with the shift knob of radio frequency circuit system on the handle of a knife; the power adjusting device comprises a cutter body, a power adjusting circuit system, a radio frequency circuit system and a power adjusting device, wherein a clamping groove is formed in the rear portion of the cutter body, an elastic conductive block is arranged in the clamping groove, a conductive clamping block matched with the clamping groove is arranged on one side of the power adjusting device, and after the power adjusting device is inserted into the clamping groove through the conductive clamping block, the power adjusting circuit system is electrically connected with the radio frequency circuit system; and a power adjusting button electrically connected with the power adjusting circuit system is arranged on the outer side of the power adjusting device.
Specifically, the counter bore has been seted up on the cutter body, counter bore internal thread connection has fastening bolt, the cutter body is located one side of draw-in groove has been seted up the screw hole, fastening bolt runs through the fixture block and with screw hole threaded connection, the top of draw-in groove is provided with the rubber sealing plug.
Specifically, the circuit that radio frequency circuit system and tool bit are connected sets up in the middle part both ends of draw-in groove, and the draw-in groove bottom sets up the reducing passageway, and the upper portion of reducing passageway sets up the spring, radially outwards extend behind spring, the reducing passageway in proper order and form bottom fixture block, the upper portion and the draw-in groove adaptation of elastic conduction piece just set up the through-hole that runs through, and the position of through-hole corresponds with radio frequency circuit system's circuit position, sets up the conductor in the through-hole, and under the balanced state of spring atress, conductor and radio frequency circuit system's circuit conductive connection.
Specifically, one end of the conductive clamping block inserted into the clamping groove is provided with a through hole corresponding to the line position of the radio frequency circuit system, a conductor block is arranged in the through hole, and when the conductive clamping block is inserted into the clamping groove, the conductor block is in conductive connection with the line of the radio frequency circuit system.
The power regulating circuit system comprises a control circuit electrically connected with a power supply, the control circuit comprises a resistor R1, a resistor R2 and a resistor R3, a first electrode end of the power supply is electrically connected with a first end of the resistor R1, a second end of the resistor R1 is electrically connected with a first end of the resistor R2, a second end of the resistor R1 is electrically connected with a first end of the resistor R3, a second end of the resistor R3 is electrically connected with a second electrode end of the power supply through the power regulating button, a second end of the resistor R2 is electrically connected with the second electrode end of the power supply through the power regulating button, an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode end of the power supply. The cutter comprises a cutter body, a cutter head is arranged on one side of the cutter body, a cutter handle is arranged at the bottom of the cutter body, a switch button is arranged on the cutter handle, a power adjusting device is arranged on one side of the cutter body, a clamping groove is formed in the upper surface of the cutter body, a clamping block is correspondingly arranged on one side of the power adjusting device, the clamping block is fixedly arranged on the surface of the power adjusting device, the clamping block is clamped in the clamping groove, a counter bore is formed in the cutter body, a fastening bolt is connected with the counter bore in a threaded manner, a threaded hole is formed in one side of the cutter body, the fastening bolt penetrates through the clamping block and is connected with the threaded hole in a threaded manner, a rubber sealing plug is arranged at the top of the clamping groove, and a power adjusting button is arranged on the outer side of the power adjusting device; the power supply can be an external power supply or a power supply of the radio frequency circuit system.
Preferably, the outer surface of the cutter body is provided with a body cover, a first screw is connected to the body cover through threads, and the body cover is fixedly connected with the cutter body through the first screw.
Preferably, the first screws are provided with six groups, and the six groups of the first screws are distributed at the edge of the body cover in a hexagonal mode.
Preferably, a handle cover is arranged on the outer surface of the handle, a second screw is connected to the handle cover through threads, and the handle cover is fixedly connected with the handle through the second screw.
Preferably, the second screws are provided with four groups, and the four groups of the second screws are respectively arranged on the periphery of the handle cover.
Preferably, the fastening bolts are provided with four groups, the four groups of fastening bolts are symmetrically arranged on two sides of the clamping block, and two groups of fastening bolts are arranged on each side of the clamping block.
Preferably, the power adjusting device comprises a power supply module, a detection processing module, an output control module, a controller and a power amplifying module, wherein the power supply module is used for converting commercial power into adjustable direct current and inputting the adjustable direct current into the power amplifying module; the power amplification module is used for amplifying the direct current output by the power supply module, converting the direct current into alternating current and loading the alternating current into the radio frequency electric wave knife; the detection processing module is used for detecting a current signal corresponding to the output current of the power supply module and receiving a limit control signal output by the controller, and generating an adjustment control signal according to the detected current signal and the limit control signal; the output control module receives the adjustment control signal output by the detection processing module, generates PWM signals with different duty ratios according to the adjustment control signal, inputs the PWM signals into the power module and controls the power module to output direct current with different working voltages and currents.
Preferably, the power adjusting device further comprises a host and a control circuit, the control circuit is electrically connected with the host, the control circuit comprises a power supply, a resistor R1, a resistor R2 and a resistor R3, a first electrode end of the power supply is electrically connected with a first end of the resistor R1, a second end of the resistor R1 is electrically connected with a first end of the resistor R2, a second end of the resistor R1 is electrically connected with a first end of the resistor R3, a second end of the resistor R3 is electrically connected with a second electrode end of the power supply through the power adjusting button, a second end of the resistor R2 is electrically connected with a second electrode end of the power supply through the power adjusting button, and an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode end of the power supply.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the power adjusting device is arranged on the cutter body, and when the power adjusting device is used, a user can directly adjust the power on the cutter body through the power adjusting button, so that the operation is convenient, and the operation efficiency is improved;
(2) According to the power adjusting device, the fastening bolt is screwed out of the threaded hole, the rubber sealing plug is taken out of the top of the clamping groove, and then the clamping block slides out of the clamping groove, so that the power adjusting device can be detached from the cutter body, and the power adjusting device is convenient to repair or replace.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a top view of the rubber sealing plug of FIG. 2 with portions broken away;
FIG. 4 is a circuit diagram of a control circuit according to the present invention;
FIGS. 5 and 6 are schematic diagrams of power adjustment structures in embodiment 4;
in the figure: 1. a blade body; 2. a power adjustment device; 3. a cutter head; 4. a knife handle; 5. a switch button; 6. a clamping groove; 7. an elastic conductive block; 71. a spring; 72. a conductor; 8. a conductive clamping block; 81 conductive blocks; 9. a fastening bolt; 10. a threaded hole; 11. a rubber sealing plug; 12. a power adjustment button; 13. a body cover; 14. a first screw; 15. a handle cover; 16. and a second screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a radio frequency electric wave knife convenient for power adjustment, wherein the technical scheme is as follows:
including blade 1 and power adjusting device 2, one side of blade 1 is provided with tool bit 3, the bottom of blade 1 is provided with handle of a knife 4, be provided with shift knob 5 on the handle of a knife 4, power adjusting device 2 sets up in one side of blade 1, draw-in groove 6 has been seted up to the upper surface of blade 1, one side of power adjusting device 2 corresponds and is provided with fixture block 8, the fixed surface that sets up at power adjusting device 2 of fixture block 8, fixture block 8 joint is in draw-in groove 6, the counter bore has been seted up on blade 1, counter bore internal thread connection has fastening bolt 9, screw hole 10 has been seted up to one side that is located draw-in groove 6 on the blade 1, fastening bolt 9 runs through fixture block 8 and with screw hole 10 threaded connection, the top of draw-in groove 6 is provided with rubber sealing plug 11, the outside of power adjusting device 2 is provided with power adjusting button 12.
In this embodiment, preferably, the outer surface of the blade body 1 is provided with a body cover 13, the body cover 13 is screwed with a first screw 14, the body cover 13 is fixedly connected with the blade body 1 through the first screw 14, and the body cover 13 can be disassembled by screwing out the first screw 14, so that the maintenance of the inside of the blade body 1 is facilitated.
In this embodiment, preferably, the first screws 14 are provided with six groups, and the six groups of first screws 14 are distributed at the edge of the body cover 13 in a hexagonal manner, so that the stability of mounting the body cover 13 can be improved.
In this embodiment, preferably, the outer surface of the handle 4 is provided with a handle cover 15, the handle cover 15 is screwed with a second screw 16, the handle cover 15 is fixedly connected with the handle 4 through the second screw 16, and the handle cover 15 can be conveniently detached by screwing out the second screw 16, so that the interior of the handle cover 15 is conveniently maintained.
In this embodiment, preferably, the second screws 16 are provided with four groups, and the four groups of second screws 16 are respectively provided around the handle cover 15, so that the stability of mounting the handle cover 15 can be increased.
In this embodiment, preferably, the fastening bolts 9 are provided with four groups, the four groups of fastening bolts 9 are symmetrically arranged on two sides of the clamping block 8, and two groups of fastening bolts 9 are arranged on each side of the clamping block 8, so that the stability of the installation of the clamping block 8 can be improved.
In this embodiment, preferably, the power adjusting device 2 includes a power module, a detection processing module, an output control module, a controller, and a power amplifying module, where the power module is used to convert the mains supply into adjustable direct current and input the adjustable direct current to the power amplifying module; the power amplification module is used for amplifying the direct current output by the power supply module, converting the direct current into alternating current and loading the alternating current into the radio frequency electric wave knife; the detection processing module is used for detecting a current signal corresponding to the output current of the power supply module and receiving a limit control signal output by the controller, and generating an adjustment control signal according to the detected current signal and the limit control signal; the output control module receives the adjustment control signal output by the detection processing module, generates PWM signals with different duty ratios according to the adjustment control signal, inputs the PWM signals into the power module and controls the power module to output direct current with different working voltages and currents.
In this embodiment, preferably, the power adjusting device 2 further includes a host and a control circuit, where the control circuit is disposed in the host, the control circuit includes a power supply, a resistor R1, a resistor R2, and a resistor R3, where a first electrode of the power supply is electrically connected to a first end of the resistor R1, a second end of the resistor R1 is electrically connected to a first end of the resistor R2, a second end of the resistor R1 is electrically connected to a first end of the resistor R3, a second end of the resistor R3 is electrically connected to a second electrode of the power supply through the power adjusting button 12, a second end of the resistor R2 is electrically connected to a second electrode of the power supply through the power adjusting button 12, and an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode of the power supply.
Example 2
The invention provides a radio frequency electric wave knife convenient for power adjustment, wherein the technical scheme is as follows:
including blade 1 and power adjusting device 2, one side of blade 1 is provided with tool bit 3, the bottom of blade 1 is provided with handle of a knife 4, be provided with shift knob 5 on the handle of a knife 4, power adjusting device 2 sets up in one side of blade 1, draw-in groove 6 has been seted up to the upper surface of blade 1, one side of power adjusting device 2 corresponds and is provided with fixture block 8, the fixed surface that sets up at power adjusting device 2 of fixture block 8, fixture block 8 joint is in draw-in groove 6, the counter bore has been seted up on blade 1, counter bore internal thread connection has fastening bolt 9, screw hole 10 has been seted up to one side that is located draw-in groove 6 on the blade 1, fastening bolt 9 runs through fixture block 8 and with screw hole 10 threaded connection, the top of draw-in groove 6 is provided with rubber sealing plug 11, the outside of power adjusting device 2 is provided with power adjusting button 12.
In this embodiment, preferably, the outer surface of the blade body 1 is provided with a body cover 13, the body cover 13 is screwed with a first screw 14, the body cover 13 is fixedly connected with the blade body 1 through the first screw 14, and the body cover 13 can be disassembled by screwing out the first screw 14, so that the maintenance of the inside of the blade body 1 is facilitated.
In this embodiment, preferably, the first screws 14 are provided with six groups, and the six groups of first screws 14 are distributed at the edge of the body cover 13 in a hexagonal manner, so that the stability of mounting the body cover 13 can be improved.
In this embodiment, preferably, the outer surface of the handle 4 is provided with a handle cover 15, the handle cover 15 is screwed with a second screw 16, the handle cover 15 is fixedly connected with the handle 4 through the second screw 16, and the handle cover 15 can be conveniently detached by screwing out the second screw 16, so that the interior of the handle cover 15 is conveniently maintained.
In this embodiment, preferably, the second screws 16 are provided with four groups, and the four groups of second screws 16 are respectively provided around the handle cover 15, so that the stability of mounting the handle cover 15 can be increased.
In this embodiment, preferably, the fastening bolts 9 are provided with four groups, the four groups of fastening bolts 9 are symmetrically arranged on two sides of the clamping block 8, and two groups of fastening bolts 9 are arranged on each side of the clamping block 8, so that the stability of the installation of the clamping block 8 can be improved.
In this embodiment, preferably, the power adjusting device 2 includes a power module, a detection processing module, an output control module, a controller, and a power amplifying module, where the power module is used to convert the mains supply into adjustable direct current and input the adjustable direct current to the power amplifying module; the power amplification module is used for amplifying the direct current output by the power supply module, converting the direct current into alternating current and loading the alternating current into the radio frequency electric wave knife; the detection processing module is used for detecting a current signal corresponding to the output current of the power supply module and receiving a limit control signal output by the controller, and generating an adjustment control signal according to the detected current signal and the limit control signal; the output control module receives the adjustment control signal output by the detection processing module, generates PWM signals with different duty ratios according to the adjustment control signal, inputs the PWM signals into the power module and controls the power module to output direct current with different working voltages and currents.
Example 3
The invention provides a radio frequency electric wave knife convenient for power adjustment, wherein the technical scheme is as follows:
including blade 1 and power adjusting device 2, one side of blade 1 is provided with tool bit 3, the bottom of blade 1 is provided with handle of a knife 4, be provided with shift knob 5 on the handle of a knife 4, power adjusting device 2 sets up in one side of blade 1, draw-in groove 6 has been seted up to the upper surface of blade 1, one side of power adjusting device 2 corresponds and is provided with fixture block 8, the fixed surface that sets up at power adjusting device 2 of fixture block 8, fixture block 8 joint is in draw-in groove 6, the counter bore has been seted up on blade 1, counter bore internal thread connection has fastening bolt 9, screw hole 10 has been seted up to one side that is located draw-in groove 6 on the blade 1, fastening bolt 9 runs through fixture block 8 and with screw hole 10 threaded connection, the top of draw-in groove 6 is provided with rubber sealing plug 11, the outside of power adjusting device 2 is provided with power adjusting button 12.
In this embodiment, preferably, the outer surface of the blade body 1 is provided with a body cover 13, the body cover 13 is screwed with a first screw 14, the body cover 13 is fixedly connected with the blade body 1 through the first screw 14, and the body cover 13 can be disassembled by screwing out the first screw 14, so that the maintenance of the inside of the blade body 1 is facilitated.
In this embodiment, preferably, the first screws 14 are provided with six groups, and the six groups of first screws 14 are distributed at the edge of the body cover 13 in a hexagonal manner, so that the stability of mounting the body cover 13 can be improved.
In this embodiment, preferably, the outer surface of the handle 4 is provided with a handle cover 15, the handle cover 15 is screwed with a second screw 16, the handle cover 15 is fixedly connected with the handle 4 through the second screw 16, and the handle cover 15 can be conveniently detached by screwing out the second screw 16, so that the interior of the handle cover 15 is conveniently maintained.
In this embodiment, preferably, the second screws 16 are provided with four groups, and the four groups of second screws 16 are respectively provided around the handle cover 15, so that the stability of mounting the handle cover 15 can be increased.
In this embodiment, preferably, the fastening bolts 9 are provided with four groups, the four groups of fastening bolts 9 are symmetrically arranged on two sides of the clamping block 8, and two groups of fastening bolts 9 are arranged on each side of the clamping block 8, so that the stability of the installation of the clamping block 8 can be improved.
In this embodiment, preferably, the power adjusting device 2 further includes a host and a control circuit, where the control circuit is disposed in the host, the control circuit includes a power supply, a resistor R1, a resistor R2, and a resistor R3, where a first electrode of the power supply is electrically connected to a first end of the resistor R1, a second end of the resistor R1 is electrically connected to a first end of the resistor R2, a second end of the resistor R1 is electrically connected to a first end of the resistor R3, a second end of the resistor R3 is electrically connected to a second electrode of the power supply through the power adjusting button 12, a second end of the resistor R2 is electrically connected to a second electrode of the power supply through the power adjusting button 12, and an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode of the power supply.
According to the invention, the power adjusting device 2 is arranged, and the power adjusting device 2 is arranged on the cutter body 1, so that when the power adjusting device is used, a user can directly adjust the power on the cutter body 1 through the power adjusting button 12, the operation is convenient, and the operation efficiency is improved; through screwing out fastening bolt 9 from screw hole 10, take out rubber sealing plug 11 from the top of draw-in groove 6, then slide out fixture block 8 from draw-in groove 6, elasticity switch 7 automatic re-setting is to tool bit 3 and radio frequency circuitry electric connection, through host computer regulation output frequency, does not influence the continuation of tool bit and uses, dismantles power adjusting device 2 from blade 1, conveniently maintains or change power adjusting device 2.
Example 4
As shown in fig. 5 and 6, this embodiment provides another radio-frequency electric wave knife convenient for power adjustment, which comprises a knife body 1, a main machine and a power adjusting device 2, wherein a knife head 3 is arranged on one side of the knife body 1, a radio-frequency circuit system electrically connected with the knife head is arranged in the main machine, a power adjusting circuit system is arranged in the power adjusting device, a knife handle 4 is arranged at the bottom of the knife body 1, and a switch button 5 of the radio-frequency circuit system is arranged on the knife handle 4; the rear part of the cutter body is provided with a clamping groove, an elastic conductive block is arranged in the clamping groove, one side of the power regulating device is provided with a conductive clamping block matched with the clamping groove 6, and when the power regulating device is inserted into the clamping groove through the conductive clamping block 8, the power regulating circuit system is electrically connected with the radio frequency circuit system; the outer side of the power regulating device 2 is provided with a power regulating button 12 electrically connected with a power regulating circuit system; the cutter body 1 is provided with a counter bore, the counter bore is internally connected with a fastening bolt 9 in a threaded manner, one side of the cutter body 1, which is positioned on the clamping groove 6, is provided with a threaded hole 10, the fastening bolt 9 penetrates through the clamping block 8 and is in threaded connection with the threaded hole 10, and the top of the clamping groove 6 is provided with a rubber sealing plug 11; the circuit that the said radio frequency circuit system connects with tool bit 3 is set up in the middle part both ends of the draw-in groove 6, the bottom of draw-in groove sets up the reducing channel, the upper portion of the reducing channel sets up the spring 71, the lower end of the said elastic conductive block 7 is through the spring 71, after reducing the channel sequentially, extend radially outwards and form the bottom fixture block, the upper portion of the said elastic conductive block 7 is fitted with draw-in groove 6 and set up the through hole that runs through, the position of the through hole corresponds to circuit position of the radio frequency circuit system, set up the conductor 72 in the through hole, under the state of balanced stress of the spring 71, the conductor 72 is connected with circuit conduction of the radio frequency circuit system;
one end of the conductive clamping block 8 inserted into the clamping groove 6 is provided with a through hole corresponding to the line position of the radio frequency circuit system, a conductor block 81 is arranged in the through hole, and when the conductive clamping block 8 is inserted into the clamping groove 6, the conductor block 81 is in conductive connection with the line of the radio frequency circuit system.
The power regulation circuit system comprises a control circuit electrically connected with a power supply of the radio frequency circuit system, the control circuit comprises a resistor R1, a resistor R2 and a resistor R3, a first electrode end of the power supply is electrically connected with a first end of the resistor R1, a second end of the resistor R1 is electrically connected with a first end of the resistor R2, a second end of the resistor R1 is electrically connected with a first end of the resistor R3, a second end of the resistor R3 is electrically connected with a second electrode end of the power supply through the power regulation button 12, a second end of the resistor R2 is electrically connected with a second electrode end of the power supply through the power regulation button 12, and an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode end of the power supply.
When the radio frequency electric wave knife convenient for power adjustment is used, the power adjustment device 2 is inserted into the clamping groove 6 through the conductive clamping block 8, the elastic conductive block 7 is pressed down and compresses the spring 71, after the power adjustment device 2 is completely inserted, the conductive block 81 is electrically connected with a circuit of a radio frequency circuit system, the output power can be directly adjusted through the power adjustment button 12, and when the power adjustment device 2 is disassembled, the spring drives the elastic conductive block 7 to reset and simultaneously is connected with the circuit, so that the output power and the output frequency are adjusted through the host. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a radio frequency electric wave sword convenient to power regulation, includes blade (1), host computer and power regulation device (2), one side of blade (1) is provided with tool bit (3), set up the radio frequency circuit system with tool bit electric connection in the host computer, set up power regulation circuit system in the power regulation device, its characterized in that: the bottom of the cutter body (1) is provided with a cutter handle (4), and the cutter handle (4) is provided with a switch button (5) of a radio frequency circuit system; the cutter body is characterized in that a clamping groove is formed in the rear portion of the cutter body, an elastic conductive block (7) is arranged in the clamping groove, a circuit for connecting the radio frequency circuit system with the cutter head (3) is arranged at two ends of the middle portion of the clamping groove (6), a diameter-reducing channel is formed in the bottom of the clamping groove, a spring (71) is arranged at the upper portion of the diameter-reducing channel, the lower end of the elastic conductive block (7) sequentially penetrates through the spring (71) and the diameter-reducing channel and then radially extends outwards to form a bottom clamping block, the upper portion of the elastic conductive block (7) is matched with the clamping groove (6) and is provided with a penetrating through hole, the position of the through hole corresponds to the circuit position of the radio frequency circuit system, a conductor (72) is arranged in the through hole, and the conductor (72) is electrically connected with the circuit of the radio frequency circuit system in a stress balance state; one side of the power adjusting device (2) is provided with a conductive clamping block (8) which is matched with the clamping groove (6), one end of the conductive clamping block (8) which is inserted into the clamping groove (6) is provided with a through hole corresponding to the line position of the radio frequency circuit system, a conductor block (81) is arranged in the through hole, and when the conductive clamping block (8) is inserted into the clamping groove (6), the conductor block (81) is in conductive connection with the line of the radio frequency circuit system, and the power adjusting circuit system is in electrical connection with the radio frequency circuit system; the outside of the power adjusting device (2) is provided with a power adjusting button (12) which is electrically connected with the power adjusting circuit system.
2. The radio frequency electric wave knife convenient for power adjustment according to claim 1, wherein: the utility model discloses a knife blade, including knife blade (1), knife blade (1) and clamping groove (6), the counter bore has been seted up on knife blade (1), counter bore female connection has fastening bolt (9), be located on knife blade (1) screw hole (10) have been seted up to one side of clamping groove (6), fastening bolt (9) run through conductive fixture block (8) and with screw hole (10) threaded connection, the top of clamping groove (6) is provided with rubber sealing plug (11).
3. The radio frequency electric wave knife convenient for power adjustment according to claim 1, wherein: the outer surface of the cutter body (1) is provided with a body cover (13), a first screw (14) is connected to the body cover (13) in a threaded mode, and the body cover (13) is fixedly connected with the cutter body (1) through the first screw (14); the first screws (14) are provided with six groups, and the six groups of the first screws (14) are distributed at the edge of the body cover (13) in a hexagonal mode.
4. The radio frequency electric wave knife convenient for power adjustment according to claim 1, wherein: the outer surface of the knife handle (4) is provided with a handle cover (15), a second screw (16) is connected to the handle cover (15) in a threaded mode, and the handle cover (15) is fixedly connected with the knife handle (4) through the second screw (16); the second screws (16) are provided with four groups, and the four groups of the second screws (16) are respectively arranged on the periphery of the handle cover (15).
5. The radio frequency electric wave knife convenient for power adjustment according to claim 2, wherein: the fastening bolts (9) are provided with four groups, the four groups of fastening bolts (9) are symmetrically arranged on two sides of the conductive clamping block (8), and two groups of fastening bolts (9) are arranged on each side of the conductive clamping block (8).
6. The radio frequency electric wave knife convenient for power adjustment according to claim 1, wherein: the power regulating device (2) comprises a power supply module, a detection processing module, an output control module, a controller and a power amplification module, wherein the power supply module converts input alternating current into adjustable direct current, modulates the adjustable direct current into a high-frequency signal through radio frequency, inputs the high-frequency signal into the power amplification module and loads the high-frequency signal on a radio frequency electric wave knife; the detection processing module is used for detecting a current signal corresponding to the output current of the power supply module and receiving a limit control signal output by the controller, and generating an adjustment control signal according to the detected current signal and the limit control signal; the output control module receives the adjustment control signal output by the detection processing module, generates PWM signals with different duty ratios according to the adjustment control signal, inputs the PWM signals into the power module and controls the power module to output direct current with different working voltages and currents.
7. The radio frequency electric wave knife convenient for power adjustment according to claim 1, wherein: the power regulation circuit system comprises a control circuit electrically connected with a power supply, the control circuit comprises a resistor R1, a resistor R2 and a resistor R3, a first electrode end of the power supply is electrically connected with a first end of the resistor R1, a second end of the resistor R1 is electrically connected with a first end of the resistor R2, a second end of the resistor R1 is electrically connected with a first end of the resistor R3, a second end of the resistor R3 is electrically connected with a second electrode end of the power supply through a power regulation button (12), a second end of the resistor R2 is electrically connected with a second electrode end of the power supply through the power regulation button (12), and an output port of the control circuit is formed between the second end of the resistor R1 and the second electrode end of the power supply.
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| CN202011142054.3A CN112274242B (en) | 2020-10-22 | 2020-10-22 | Radio frequency electric wave knife convenient for power adjustment |
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| CN202011142054.3A CN112274242B (en) | 2020-10-22 | 2020-10-22 | Radio frequency electric wave knife convenient for power adjustment |
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| CN112274242B true CN112274242B (en) | 2023-06-30 |
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| CN113116510B (en) * | 2021-04-10 | 2022-07-08 | 中国人民解放军总医院第四医学中心 | Convenient integrated electric scalpel |
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