CN213310245U - High-frequency electrotome equipment of wicresoft - Google Patents
High-frequency electrotome equipment of wicresoft Download PDFInfo
- Publication number
- CN213310245U CN213310245U CN202020974297.2U CN202020974297U CN213310245U CN 213310245 U CN213310245 U CN 213310245U CN 202020974297 U CN202020974297 U CN 202020974297U CN 213310245 U CN213310245 U CN 213310245U
- Authority
- CN
- China
- Prior art keywords
- frequency
- circuit
- power amplifier
- function control
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Amplifiers (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model relates to a minimally invasive high-frequency electrotome device, which comprises a power supply module, a high-frequency signal generator, a high-frequency power amplifier, a function control circuit and an operation electrode; the high-frequency signal generator outputs signals to the operation electrode through an output circuit behind the high-frequency power amplifier; the power supply module provides power for the high-frequency signal generator, and a coupling sampling circuit which can sample the load and transmit the load to the function control circuit is arranged between the high-frequency power amplifier and the operation electrode; a matching circuit is also arranged between the output circuit of the high-frequency power amplifier and the operation electrode; and the function control circuit controls the matching circuit to adjust the amplitude of the output signal of the high-frequency power amplifier according to the impedance value of the load sampled by the coupling sampling circuit. The utility model discloses an equipment output signal's frequency reaches more than 2MHz, and equipment operation is simple, safe and reliable, but wide application in the minimal access surgery of departments such as general surgery, plastic surgery, colorectal, uropoiesis surgery, gynaecology.
Description
Technical Field
The utility model relates to an electrosurgery apparatus, especially a high frequency electrotome equipment of wicresoft that adopts the mode of high frequency electromagnetic energy heating tissue to human transmission non-mechanical form energy.
Background
The minimally invasive high-frequency electrotome device is also called a high-frequency surgical instrument, and is an electrosurgical instrument for replacing a mechanical scalpel to cut tissues or coagulate blood. The high-frequency energy generated by the tip of the effective electrode heats the tissue when contacting with the body of a patient, so that the tissue of the human body is separated or damaged, and the cutting and hemostasis purposes are achieved.
The single chip microcomputer is widely applied to the whole machine programmed control of high-frequency electrotome equipment, automatically detects and adjusts power, voltage and current under various functions, and obviously improves the intelligence, safety, reliability and operability of the equipment. However, the existing high-frequency electrotome mostly adopts two-pole output signals below 1MHz and generally 300-550 KHz, and has a plurality of problems. Firstly, the electrode must be put on the person's body that receives the art, leads to having the electric current to pass through in the human body, even takes place to burn the person that receives the art, influences the operation security. Secondly, the frequency of output signals is low, the generated thermal effect is limited, carbide is formed on a cutting interface, the wound is not easy to heal quickly, scars are easy to form, and even adhesion is generated; thirdly, the application range is limited, and other equipment such as an argon gas supply device and the like are needed to be matched for coagulation when large-area diffuse bleeding occurs.
In order to improve the frequency of an output signal, if corresponding measures for preventing electromagnetic interference and controlling power output are not adopted, normal work of other peripheral electronic equipment is easily interfered.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a minimally invasive high-frequency electrotome device, and solves the problems of limited use safety, side effect, effectiveness, use range and the like of the traditional high-frequency electrotome device.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a minimally invasive high-frequency electrotome device comprises a power supply module, a high-frequency signal generator, a high-frequency power amplifier and an operation electrode; the high-frequency signal generator outputs signals to the operation electrode through an output circuit behind the high-frequency power amplifier; the power module provides power for the high-frequency signal generator, and the device further comprises a function control circuit; a coupling sampling circuit which can sample the load and transmit the load to the function control circuit is arranged between the high-frequency power amplifier and the operation electrode; a matching circuit is also arranged between the output circuit of the high-frequency power amplifier and the operation electrode; the function control circuit controls the matching circuit to adjust the amplitude of the output signal of the high-frequency power amplifier according to the impedance value of the load sampled by the coupling sampling circuit; the frequency of the output signal of the device reaches more than 2 MHz.
Further, the amplitude of the output signal frequency of the high-frequency power amplifier is adjustable; the output signal frequency of the high frequency power amplifier is 2 MHz-5 MHz.
Further, the output power of the high-frequency power amplifier reaches 200W, and the output is isolated from the ground.
Furthermore, the function control circuit is a function control circuit which can set the output energy size and adjust the duty ratio of the output waveform by adopting a single chip microcomputer or a DSP.
Furthermore, the function control circuit selects matching circuits with different parameters to adjust the amplitude of the output signal according to the impedance value of the load obtained by the initial sampling of the coupling sampling circuit;
the selection of the matching circuits with different parameters is realized by adopting a relay, and the on-off of a coil of the relay is controlled by a function control circuit.
Further, the function control circuit controls the relay to select the secondary boost resonance circuit or the tertiary boost resonance circuit to adjust the output voltage amplitude of the output signal; the secondary boost resonance circuit is formed by cascading an inductor L2, a capacitor C3, an inductor L3 and a load capacitor; when the load impedance value obtained by the initial sampling of the coupling sampling circuit to the load is small, the function control circuit controls the relays LS1 and LS2 to select the secondary boost resonance circuit; the three-stage boosting resonant circuit is formed by cascading an inductor L2, a capacitor C31, an inductor L31, a capacitor C32, an inductor L32 and a load capacitor; when the load impedance value obtained by the initial sampling of the load by the coupling sampling circuit is large, the function control circuit controls the relays LS1 and LS2 to select the three-stage boost resonant circuit.
Further, the coupling sampling circuit can sample voltage and current data of a load and transmit the data to the function control circuit; the coupling sampling circuit is a mutual inductor or a resistance sampling device.
Further, the power module is an AC/DC power module, and is used for connecting an alternating current mains supply and converting the alternating current mains supply into a direct current voltage; the AC/DC power supply module is electrically connected with the function control circuit and the high-frequency power amplifier; the function control circuit controls the direct current voltage output by the AC/DC power supply module to adjust the amplitude of the high-frequency power amplifier.
Furthermore, a high-frequency transformer is arranged between the high-frequency power amplifier and the matching circuit and is used for electrically isolating the operation electrode after the commercial power is input and the high-frequency power amplifier so as to protect the patient and inhibit high-frequency clutter.
Furthermore, the equipment comprises a shell, wherein electronic components including a high-frequency signal generator, a high-frequency power amplifier, a high-frequency transformer, a matching circuit, a function control circuit and an AC/DC power supply module are arranged in the shell; the electronic components are arranged on the same or different PCB boards; the shell panel is provided with a power switch which is electrically connected with the commercial power; the AC/DC power supply module is electrically connected with a cable in the shell and is connected with commercial power through the cable; the output end of the high-frequency power amplifier is electrically connected with the operation electrode outside the shell after being connected with the high-frequency transformer and the matching circuit, and is used for inputting high-frequency signals to the operation electrode so as to form a strong electromagnetic field at the end of the operation electrode.
The utility model has the advantages that:
the utility model discloses the output signal frequency of wicresoft's high frequency electrotome equipment is higher than 2MHz and output is adjustable. The device is simple to operate, safe and reliable, and can be widely applied to minimally invasive operations in departments of general surgery, plastic surgery, colorectal surgery, urinary surgery, gynecology and the like.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram of the minimally invasive high-frequency electrotome device according to the embodiment of the present invention.
Fig. 2 is a circuit diagram of a high-frequency power amplifier of a minimally invasive high-frequency electrotome device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the matching circuit of the minimally invasive high-frequency electrotome device according to the embodiment of the present invention.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a minimally invasive high-frequency electrotome device, which comprises a power module 7, a high-frequency signal generator 1, a high-frequency power amplifier 2 and an operation electrode 5; the output end of the high-frequency signal generator 1 is connected with a high-frequency power amplifier 2, and the output circuit of the high-frequency power amplifier 2 is electrically connected with the operation electrode 5; the power supply module 7 is electrically connected to the high-frequency signal generator 1 for supplying power. The frequency of the output signal of the minimally invasive high-frequency electrotome device of the utility model reaches more than 2MHz, and the preferred frequency is 2 MHz-5 MHz.
Further, the minimally invasive high-frequency electrotome device further comprises a function control circuit 6. A coupling sampling circuit 8 which can sample the load and transmit the load to the function control circuit 6 is arranged between the high-frequency power amplifier 2 and the operation electrode 5. A matching circuit 4 is also arranged between the output circuit of the high-frequency power amplifier 2 and the operation electrode 5. The function control circuit 6 controls the matching circuit 4 to adjust the amplitude of the output signal of the high-frequency power amplifier 2 according to the impedance value of the load sampled by the coupling sampling circuit.
In the embodiment of the present invention, please refer to fig. 1, the minimally invasive high-frequency electrotome device shown in fig. 1 specifically includes a high-frequency signal generator 1, a high-frequency power amplifier 2, a high-frequency transformer 3, a matching circuit 4, an operation electrode 5, a function control circuit 6, and an AC/DC power module 7. Wherein, a coupling sampling circuit 8 for sampling load voltage and current to the function control circuit 6 is arranged between the high-frequency power amplifier 2 and the operation electrode 5. The output of the high-frequency signal generator 1 is connected to a high-frequency power amplifier 2, the output signal frequency being 2 MHz-5 MHz and the output power being adjustable. The matching circuit 4 is arranged between the output circuit of the high-frequency power amplifier 2 and the operation electrode 5. The function control circuit 6 is electrically connected to the coupling sampling circuit 8, the matching circuit 4, and the AC/DC power supply module 7. The AC/DC power supply module 7 is electrically connected to the high-frequency signal generator 1 and the high-frequency power amplifier 2 to supply power.
The utility model discloses a frequency of wicresoft's high frequency electrotome equipment output signal is higher than 2MHz to load impedance value according to initial sampling obtains selects different matching circuit to carry out the regulation of output signal amplitude. The output of the device forms a strong electromagnetic field at the end of the operation electrode 5, and the electromagnetic field and the body tissue of the operated person act together to realize the electrosurgery operation.
The output signal frequency of the high frequency power amplifier 2 is 2 MHz-5 MHz and the output power is adjustable, up to 200W, the output being isolated from ground. As a specific example, a circuit diagram of the power amplifier refers to fig. 2. The output end of the high-frequency power amplifier 2 can be connected with a high-frequency transformer 3.
The high-frequency transformer 3 is connected between the high-frequency power amplifier 2 and the matching circuit 4, and is used for electrically isolating the operation electrode after the input commercial power and the output of the high-frequency power amplifier so as to protect the patient and inhibit high-frequency clutter.
The matching circuit 4 is controlled by the function control circuit 6, and the matching of different parameters is selected according to the load impedance obtained after initial sampling. The selection of the matching circuit is realized by adopting a relay, and the on-off of a coil of the relay is controlled by the function control circuit 6. Reference is made to a specific example of the matching circuit 4 shown in fig. 3. If the load impedance value obtained after the initial sampling of the load by the coupling sampling circuit 8 is small, in order to ensure constant power output, the function control circuit 6 controls the relays LS1 and LS2 to select a secondary boost resonance circuit. The two-stage boost resonant circuit is formed by cascading an inductor L2, a capacitor C3, an inductor L3 and a load capacitor. If the load impedance value obtained after initial sampling is large, in order to ensure constant power output, the functional control circuit 6 controls the relays LS1 and LS2 to select a three-stage boost resonant circuit. The three-stage boost resonant circuit is formed by cascading an inductor L2, a capacitor C31, an inductor L31, a capacitor C32, an inductor L32 and a load capacitor.
The function control circuit 6 can adopt a function control circuit which can set the output energy and has adjustable duty ratio of output waveform and is a single chip microcomputer or a DSP. The function control circuit board 6 controls and selects the matching circuits 4 with different parameters according to the load impedance obtained after initial sampling; and meanwhile, the function control circuit 6 controls the output direct-current voltage of the AC/DC power supply module 7 to regulate the amplitude of the high-frequency power amplifier 2.
The AC/DC power supply module 7 is electrically connected with the high-frequency power amplifier 2 and the function control circuit 6 to provide power, switch on alternating current commercial power and output direct current to the high-frequency signal generator 1 and the function control circuit 6. The function control circuit 6 controls the output direct current voltage of the AC/DC power supply module 7 to adjust the amplitude of the high-frequency power amplifier 2.
And a coupling sampling circuit 8 capable of sampling to a function control circuit is arranged between the high-frequency power amplifier 2 and the output circuit. The coupling sampling circuit 8 is a transformer or a resistance sampling device. The coupling sampling circuit 8 samples the load, and the sampled data may be voltage and current, and accordingly, the impedance value of the load may be obtained, and the sampled data may be transmitted to the function control circuit board 6.
The minimally invasive high-frequency electrotome equipment comprises a casing, wherein the high-frequency signal generator 1, the high-frequency power amplifier 2, the high-frequency transformer 3, the matching circuit 4, the function control circuit 6 and the AC/DC power module 7 are arranged in the casing; these electronic components may be provided on the same or different PCB boards. The panel of the shell is provided with a power switch which is electrically connected with the input commercial power. The AC/DC power module 7 is connected with the mains supply through a power switch and a cable. The output circuit of the high-frequency power amplifier 2, which is connected with the high-frequency transformer 3 and the matching circuit 4 at the output end, is electrically connected with the operation electrode 5 outside the casing, and a high-frequency signal is input to the operation electrode 5 to form a strong electromagnetic field at the end of the operation electrode 5.
The utility model discloses a high frequency electrotome equipment of wicresoft, its theory of operation as follows:
the minimally invasive high-frequency electrotome equipment is connected with alternating current mains supply, and the mains supply is normally displayed to indicate that the power supply is normal by pressing a mains supply switch on a front panel of the shell. And selecting the working mode, and enabling the equipment to enter a preparation working state. At the moment, the load impedance value is obtained through calculation after the function control circuit 6 and the coupling sampling circuit 8 perform initial sampling, the relay is controlled by the function control circuit 6 to select different matching circuits 4 according to the load impedance, and meanwhile, the function control circuit 6 controls the output direct-current voltage of the AC/DC power supply module 7 to adjust the amplitude of the high-frequency power amplifier 2. When the foot switch or the manual switch of the operation electrode 5 is stepped on, the equipment forms a strong electromagnetic field at the end of the operation electrode 5, the electromagnetic field and the body tissue of a person to be operated act together to enable the polar molecules in the cells to rapidly oscillate in a local range to form low-temperature heat energy, so that water molecules are ionized, the separation and solidification of the body tissue are realized, the purposes of cutting and hemostasis are further achieved, and the electrosurgery operation is realized.
The device is simple to operate, safe and reliable, has little thermal damage to tissues around a human body, and can perform ideal operation on different loads with large impedance range change. The device can be widely applied to the direct-view operation of common surgery, extrathoracic surgery, extracerebral surgery, ENT surgery and maxillofacial surgery, and can also be widely applied to various endoscopic operations including laparoscope, prostatectomy, gastroscope, cystoscope and hysteroscope, in particular to the abdominal duct ligation, the prostate and urethral tumor excision operation which are difficult to enter and implement by a mechanical scalpel, and the operation on diffuse bleeding parts such as liver, spleen, thyroid, mammary gland and lung.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and are intended to be within the scope of the application; the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A minimally invasive high-frequency electrotome device comprises a power supply module, a high-frequency signal generator, a high-frequency power amplifier and an operation electrode; the high-frequency signal generator outputs signals to the operation electrode through an output circuit behind the high-frequency power amplifier; the power module provides power to the high-frequency signal generator, its characterized in that: the device further comprises a function control circuit; a coupling sampling circuit which can sample the load and transmit the load to the function control circuit is arranged between the high-frequency power amplifier and the operation electrode; a matching circuit is also arranged between the output circuit of the high-frequency power amplifier and the operation electrode; the function control circuit controls the matching circuit to adjust the amplitude of the output signal of the high-frequency power amplifier according to the impedance value of the load sampled by the coupling sampling circuit; the frequency of the output signal of the device reaches more than 2 MHz.
2. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: the amplitude of the output signal frequency of the high-frequency power amplifier is adjustable; the output signal frequency of the high frequency power amplifier is 2 MHz-5 MHz.
3. The minimally invasive high-frequency electrotome device according to claim 2, characterized in that: the output power of the high-frequency power amplifier reaches 200W, and the output is isolated from the ground.
4. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: the function control circuit is a function control circuit which can set the output energy and can adjust the duty ratio of the output waveform by adopting a single chip microcomputer or a DSP.
5. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: the function control circuit selects matching circuits with different parameters to adjust the amplitude of the output signal according to the impedance value of the load obtained by the initial sampling of the coupling sampling circuit;
the selection of the matching circuits with different parameters is realized by adopting a relay, and the on-off of a coil of the relay is controlled by a function control circuit.
6. The minimally invasive high-frequency electrotome device according to claim 5, characterized in that:
the function control circuit controls the relay to select the secondary boost resonance circuit or the tertiary boost resonance circuit to regulate the output voltage amplitude of the output signal;
the secondary boost resonance circuit is formed by cascading an inductor L2, a capacitor C3, an inductor L3 and a load capacitor; when the load impedance value obtained by the initial sampling of the coupling sampling circuit to the load is small, the function control circuit controls the relays LS1 and LS2 to select the secondary boost resonance circuit;
the three-stage boosting resonant circuit is formed by cascading an inductor L2, a capacitor C31, an inductor L31, a capacitor C32, an inductor L32 and a load capacitor; when the load impedance value obtained by the initial sampling of the load by the coupling sampling circuit is large, the function control circuit controls the relays LS1 and LS2 to select the three-stage boost resonant circuit.
7. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: the coupling sampling circuit can sample voltage and current data of a load and transmit the data to the function control circuit; the coupling sampling circuit is a mutual inductor or a resistance sampling device.
8. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: the power module is an AC/DC power module and is used for connecting alternating current commercial power and converting the alternating current commercial power into direct current voltage; the AC/DC power supply module is electrically connected with the function control circuit and the high-frequency power amplifier; the function control circuit controls the direct current voltage output by the AC/DC power supply module to adjust the amplitude of the high-frequency power amplifier.
9. The minimally invasive high-frequency electrotome device according to claim 1, characterized in that: a high-frequency transformer is also arranged between the high-frequency power amplifier and the matching circuit and is used for electrically isolating the operation electrode after the input commercial power and the high-frequency power amplifier so as to protect the patient and inhibit high-frequency clutter.
10. The minimally invasive high-frequency electrotome device according to any one of claims 1 to 9, characterized in that: the equipment comprises a shell, wherein electronic components including a high-frequency signal generator, a high-frequency power amplifier, a high-frequency transformer, a matching circuit, a function control circuit and an AC/DC power supply module are arranged in the shell; the electronic components are arranged on the same or different PCB boards; the shell panel is provided with a power switch which is electrically connected with the commercial power; the AC/DC power supply module is connected with a mains supply through a power switch and a cable; the output end of the high-frequency power amplifier is electrically connected with the operation electrode outside the shell after being connected with the high-frequency transformer and the matching circuit, and is used for inputting high-frequency signals to the operation electrode so as to form a strong electromagnetic field at the end of the operation electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020974297.2U CN213310245U (en) | 2020-06-01 | 2020-06-01 | High-frequency electrotome equipment of wicresoft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020974297.2U CN213310245U (en) | 2020-06-01 | 2020-06-01 | High-frequency electrotome equipment of wicresoft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213310245U true CN213310245U (en) | 2021-06-01 |
Family
ID=76080332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020974297.2U Active CN213310245U (en) | 2020-06-01 | 2020-06-01 | High-frequency electrotome equipment of wicresoft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213310245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192186A (en) * | 2022-08-10 | 2022-10-18 | 浙江舒友仪器设备股份有限公司 | Automatic activation output system of high-frequency electrode |
-
2020
- 2020-06-01 CN CN202020974297.2U patent/CN213310245U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192186A (en) * | 2022-08-10 | 2022-10-18 | 浙江舒友仪器设备股份有限公司 | Automatic activation output system of high-frequency electrode |
| CN115192186B (en) * | 2022-08-10 | 2023-09-15 | 浙江舒友仪器设备股份有限公司 | Automatic high-frequency electrode activation output system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10973565B2 (en) | Interdigitation of waveforms for dual-output electrosurgical generators | |
| US11864814B2 (en) | System and method for harmonic control of dual-output generators | |
| US20200229860A1 (en) | Advanced simultaneous activation algorithm | |
| RU2573108C2 (en) | Medical device | |
| US9877771B2 (en) | System and method for power supply noise reduction | |
| JP6518408B2 (en) | Electrosurgical generator with continuously and arbitrarily variable crest factor | |
| US8685015B2 (en) | System and method for multi-pole phase-shifted radio frequency application | |
| US8574187B2 (en) | System and method of an electrosurgical controller with output RF energy control | |
| CN107334523B (en) | Electrosurgical generator and electrosurgical system | |
| EP2361655A1 (en) | Patient isolation in a microwave - radio frequency generator | |
| JP2017012752A (en) | Electrosurgical generator for minimizing neuromuscular stimulation | |
| EP2499983B1 (en) | Isolated current sensor | |
| JP2014180539A (en) | Crest-factor control of phase-shifted inverter | |
| JPWO2008053532A1 (en) | Induction cautery power supply | |
| CA2588075A1 (en) | System and method for reducing leakage current in an electrosurgical generator | |
| JP2015020066A (en) | Electrosurgical generators | |
| WO2021249161A1 (en) | Radiofrequency ablation power supply and radiofrequency ablation system | |
| CN105358082B (en) | Electrosurgical apparatus with RF pulse profile controller | |
| CN111494003A (en) | Digital minimally invasive high-frequency energy working system | |
| CN111214289A (en) | Radio frequency energy generation device and radio frequency ablation system | |
| CN215937635U (en) | Digital minimally invasive high-frequency energy working system | |
| CN213310245U (en) | High-frequency electrotome equipment of wicresoft | |
| CN113824309A (en) | Radio frequency ablation power supply and radio frequency ablation system | |
| CN217310556U (en) | Plasma surgical system with multiple output interfaces | |
| CN212518792U (en) | Radio frequency ablation power supply and radio frequency ablation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |