CN202173470U - Electric surgical bipolar plasma generator - Google Patents
Electric surgical bipolar plasma generator Download PDFInfo
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- CN202173470U CN202173470U CN2011202200589U CN201120220058U CN202173470U CN 202173470 U CN202173470 U CN 202173470U CN 2011202200589 U CN2011202200589 U CN 2011202200589U CN 201120220058 U CN201120220058 U CN 201120220058U CN 202173470 U CN202173470 U CN 202173470U
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Abstract
An electric surgical bipolar plasma generator comprises a high-frequency generator, and is characterized in that the high-frequency generator consists of a control circuit, a radiofrequency output circuit and a display circuit, a power circuit and the radiofrequency output circuit are connected with a surgical electrode, the surgical electrode and the control circuit form a control loop, the control circuit comprises a high-voltage power supply circuit and an overvoltage detecting circuit, a first microprocessor, a first digital to analog converter, the high-voltage power supply circuit and the overvoltage detecting circuit form another control loop, the power circuit comprises an input filtering module, a power rectifying module, a low-voltage direct-current output module, a high-voltage rectifying and filtering module, an output voltage detecting and adjusting module, a pulse generator and a pulse adjusting two-channel output module, and the surgical electrode is connected with a bipolar closing cutting hemostasis instrument. The electric surgical bipolar plasma generator seldom injures surrounding tissues, simultaneously, a limited low-temperature layer has a clotting function, cutting and clotting can be realized simultaneously, blood loss can be reduced remarkably, and accordingly surgical safety is enhanced.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, the bipolar plasma generator of especially a kind of electrosurgery, and the bipolar plasma generator of this electrosurgery is used for department of dermatologry, department of otorhinolaryngology, gynecological, urology department, surgery, neurosurgery.Not only can in direct-view operation (like common surgical procedures, breast outer operation, brain outer operation, ENT dept.'s operation, decorative sursery operation etc.), be used widely, and can be applied in the various endoscopic surgerys (like laparoscopic surgery, resection of prostate mirror art, gastroscopy, cystoscope art, hysteroscope art etc.).
Background technology
In the developing history of science, operative hemorrhage is one of key factor that hinders the surgery development outside.Seek to cut and add hemostatic surgical technic or method all the time through surgery's development process, all kinds of operating theater instruments with cutting or hemostatic function also release one after another.
The bipolar plasma generator of electrosurgery is to combine corresponding apparatus to carry out the equipment of bipolar electrosurgical operation.The apparatus that can use than other electrosurgery generator with corresponding instrument combination carries out more effectively solidifying and cutting to tissue.The bipolar plasma generator of electrosurgery is made up of with foot-operated main frame.
The outstanding advantage of the bipolar plasma generator of electrosurgery is to discern connected apparatus; The identification apparatus can make the bipolar plasma generator of electrosurgery at plasma power (Plasma Kinetics is called for short PK) mode operation, selects to produce the required acquiescence output of this kind apparatus electrosurgery effect.These characteristics are brought great convenience to equipment user, and user can change default setting, and slave unit obtains wider plasma power output.In addition, the non-plasma power output equivalent with other type of electrical surgical operation generator can also be provided.
The bipolar plasma generator of electrosurgery is universal electrosurgery equipment, carries out the soft tissue cutting and solidifies with supporting open, endoscope and the laparoscopic surgery of being used for of bipolar instruments.Equipment should be used by the skilled medical worker through the training of electrosurgery equipment.
Summary of the invention
The purpose of this utility model provides the bipolar plasma generator of a kind of electrosurgery.The plasma vaporization layer of the bipolar plasma generator of electrosurgery of this utility model is that high concentration is at welding tip; Be convenient to accurate Cutting Control position; The excision destination organization of can not only vaporizing rapidly, and in operation, can repeat to obtain effective organizational effect.
This utility model can be realized through following technical scheme:
The bipolar plasma generator of a kind of electrosurgery; It comprises high frequency generator; Described high frequency generator is made up of control circuit, rf output circuit, display circuit; Power circuit, rf output circuit are connected with procedures electrode; Procedures electrode and control circuit constitute control loop, and control circuit comprises high-voltage power supply circuit and over-voltage detection circuit, and first microprocessor, first digital to analog converter, high-voltage power supply circuit and over-voltage detection circuit constitute control loop; Power circuit includes input filtration module, power rectifier module, low-voltage direct output module, high-voltage rectifying filtration module, output voltage detection adjustment module, pulse generator, pulse regulation two-way output module, and procedures electrode connects bipolar closing of cutting hemostatic device.
Described control circuit comprises that also first microprocessor, first digital to analog converter, second digital to analog converter, first analog-digital converter, second analog-digital converter, audio amplifier circuit, radiofrequency signal produce circuit, current sampling circuit, voltage sample circuit, buffer circuit composition; The outfan of first analog-digital converter and second analog-digital converter is connected the digital quantity end of first microprocessor respectively, and the input of first digital to analog converter, second digital to analog converter connects numeral two outfans of first microprocessor respectively; Rf output circuit comprises RF driver circuit, RF power amplification circuit; The radiofrequency signal of control circuit produces circuit connects first microprocessor through NAND gate radiofrequency signal control end; NAND gate connects the RF power amplification circuit through RF driver circuit; First analog-digital converter is through the voltage sampling end of voltage sample circuit connection RF power amplification circuit, and second analog-digital converter connects the current sampling end of RF power amplification circuit through current sampling circuit; The analog signal output of second digital to analog converter connects audio amplifier circuit; Buffer circuit through latch/buffer connects the control signal end of first microprocessor, the input of buffer circuit connects Foot-controlled switch and/or manual switch.
Said radiofrequency signal produces circuit and is made up of double D trigger or door, binary system coincidence counter, TTL phase inverter.
Said current sampling circuit comprises the first sampling ring; The first sampling ring is serially connected in the load circuit; The sampling ring is secondary induced voltage after the resistance pressure limiting, and signal is directly delivered to-dc voltage changer, and the aanalogvoltage of dc voltage changer output is delivered to second analog-digital converter.
Said voltage sample circuit comprises the second sampling ring, and the second sampling ring is secondary induced voltage after resistance R 4 pressure limitings, and signal is directly delivered to-dc voltage changer, and the aanalogvoltage of dc voltage changer output is delivered to first analog-digital converter and handled.
The beneficial effect of this utility model is:
Be different from traditional one pole TURP; It is far away slightly that the bipolar plasma generator of the electrosurgery of this utility model leaves welding tip; Energy density just reduces greatly and is not enough to promote the formation of plasma vaporization layer, and this moment, plasma vaporization layer outer surface was the temperature decrease of tissue surface, forms extremely limited thermal diffusion; Damage to surrounding tissue is little, and postoperative can not take place basically stimulates disease.Limited cryosphere has coagulation function simultaneously, cuts edge and coagulate in the limit, obviously reduces and loses blood.Good haemostatic effect makes surgical field of view clear, reduces the mistake that causes because of the visual field is unclear and cuts, thereby improved the safety of performing the operation.
The supporting use of surgical attachment of bipolar plasma generator of the electrosurgery of this utility model and plasma endoscopic bipolar system, it is mainly used in the cutting and the blood coagulation of pathological tissues in prostate, tumor of bladder tissue and the gynecological's uterine cavity etc.
⑴ the plasma cutter system of this utility model: vaporization evenly, reliable, the low-temperature vaporization of haemostatic effect, normal saline as medium, need not negative plate.
⑵ the safety of this utility model strengthens: no TURP syndrome, haemostatic effect are good, go out insufficiency of blood, low-temperature vaporization, not to surrounding tissue generation damage, no muscle electric stimulation effect, protect peplos to organize automatically not cut.
⑶ this utility model have a good clinical practice property: efficiency ratio is good (goes out insufficiency of blood in operation; The operating time weak point), the easy processing of postoperative (stays the pipe time short; Bladder irrigation), complication (like water intoxication, hemorrhage, urinary incontinence) significantly reduces, and shortened the hospital stays.
Description of drawings
Fig. 1 is the functional block diagram of this utility model.
Fig. 2 is the microprocessor control circuit figure of this utility model.
Fig. 3 is acoustics circuit, the radiofrequency signal generation circuit diagram of this utility model.
Fig. 4 is the display circuit figure of this utility model.
Fig. 5 is radio-frequency driven, the RF power amplification circuit diagram of this utility model.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further specified.
The bipolar plasma generator of a kind of electrosurgery; It comprises high frequency generator; High frequency generator is made up of control circuit, rf output circuit, display circuit; Power circuit, rf output circuit are connected with procedures electrode, and procedures electrode and control circuit constitute control loop, and control circuit comprises high-voltage power supply circuit and over-voltage detection circuit; First microprocessor, first digital to analog converter, high-voltage power supply circuit and over-voltage detection circuit constitute control loop; Power circuit includes the input filtration module, and power rectifier module, low-voltage direct output module, high-voltage rectifying filtration module, output voltage detect adjustment module, pulse generator, pulse regulation two-way output module, and procedures electrode connects bipolar closing of cutting hemostatic device.
Control circuit comprises that also first microprocessor, first digital to analog converter, second digital to analog converter, first analog-digital converter, second analog-digital converter, audio amplifier circuit, radiofrequency signal produce circuit, current sampling circuit, voltage sample circuit, buffer circuit composition; The outfan of first analog-digital converter and second analog-digital converter is connected the digital quantity end of first microprocessor respectively, and the input of first digital to analog converter, second digital to analog converter connects numeral two outfans of first microprocessor respectively; Rf output circuit comprises RF driver circuit, RF power amplification circuit; The radiofrequency signal of control circuit produces circuit connects first microprocessor through NAND gate radiofrequency signal control end; NAND gate connects the RF power amplification circuit through RF driver circuit; First analog-digital converter is through the voltage sampling end of voltage sample circuit connection RF power amplification circuit, and second analog-digital converter connects the current sampling end of RF power amplification circuit through current sampling circuit; The analog signal output of second digital to analog converter connects audio amplifier circuit; Buffer circuit through latch/buffer connects the control signal end of first microprocessor, the input of buffer circuit connects Foot-controlled switch and/or manual switch.
Radiofrequency signal produces circuit and is made up of double D trigger or door, binary system coincidence counter, TTL phase inverter.
Current sampling circuit comprises the first sampling ring; The first sampling ring is serially connected in the load circuit; The sampling ring is secondary induced voltage after the resistance pressure limiting, and signal is directly delivered to-dc voltage changer, and the aanalogvoltage of dc voltage changer output is delivered to second analog-digital converter.
Voltage sample circuit comprises the second sampling ring, and the second sampling ring is secondary induced voltage after resistance R 4 pressure limitings, and signal is directly delivered to-dc voltage changer U4, and the aanalogvoltage of dc voltage changer U4 output is delivered to first analog-digital converter and handled.
The operation principle of this utility model is:
The bipolar electrosurgical operation is a kind of important electrosurgery technology.In bipolar electrosurgical operation, high frequency electric turns back to the another one electrode since the electrode biological tissue that flows through.High frequency electric only flows through some specific biological tissue positions from the part, on this biological tissue position, form high electric current density, produces required energy.Accomplish biological tissue's effect of expectation.
Because the electric current mainly biological tissue between the two poles of the earth and the two poles of the earth is interval mobile, so increased safety and accuracy.
Because electric current does not flow through patient's integral body, so just need an outside neutral electrode unlike monopolar electrosurgical operation that kind yet.
The bipolar plasma generator of electrosurgery produces the bipolar plasma generator of electrosurgery and uses the plasma motor tissue cutting PK of PK apparatus to solidify the VPC special-effect with the vaporization pulse through apparatus identification and apparatus performance optimization configuration.
Plasma motor tissue cutting PK technology.At the PK output mode, the energy of use is at the PK apparatus---and produce an ionization plasma around the electrode, ' meritorious electrode ' cuts tissue, and degree of hemostasis depends on the PK output of selection.This pattern is utilized the conduction property of liquid, no matter the liquid that to be when operation discharged by tissue or the normal saline of flushing body cavity.
The VPC technology is solidified in the vaporization pulse.VPC adopts vaporization focusing pulse energy that vessel pedicle is carried out controlled solidifying.VPC is the particular procedure of carrying out through the PK apparatus, after the tissue that need solidify is caught by the PK apparatus, uses with the same plasma power pulse energy of the used continuous output of common bipolar generator and solidifies.These characteristics can obtain controlled under various operative status and result repeatably.
The bipolar plasma generator of electrosurgery is used for the soft tissue cutting and solidifies.Form by main frame and two pedal foot control.
Embodiment recited above describes the preferred implementation of this utility model; Be not that design and scope to this utility model limits; Do not breaking away under this utility model design concept prerequisite; Common engineers and technicians make the technical scheme of this utility model in this area various modification and improvement all should fall into the protection domain of this utility model, and the technology contents that this utility model is asked for protection all is documented in claims.
Claims (5)
1. bipolar plasma generator of electrosurgery; It comprises high frequency generator; It is characterized in that described high frequency generator is made up of control circuit, rf output circuit, display circuit; Power circuit, rf output circuit are connected with procedures electrode; Procedures electrode and control circuit constitute control loop, and control circuit comprises high-voltage power supply circuit and over-voltage detection circuit, and first microprocessor, first digital to analog converter, high-voltage power supply circuit and over-voltage detection circuit constitute control loop; Power circuit includes input filtration module, power rectifier module, low-voltage direct output module, high-voltage rectifying filtration module, output voltage detection adjustment module, pulse generator, pulse regulation two-way output module, and procedures electrode connects bipolar closing of cutting hemostatic device.
2. the bipolar plasma generator of electrosurgery according to claim 1; It is characterized in that described control circuit comprises that also first microprocessor, first digital to analog converter, second digital to analog converter, first analog-digital converter, second analog-digital converter, audio amplifier circuit, radiofrequency signal produce circuit, current sampling circuit, voltage sample circuit, buffer circuit composition; The outfan of first analog-digital converter and second analog-digital converter is connected the digital quantity end of first microprocessor respectively, and the input of first digital to analog converter, second digital to analog converter connects numeral two outfans of first microprocessor respectively; Rf output circuit comprises RF driver circuit, RF power amplification circuit; The radiofrequency signal of control circuit produces circuit connects first microprocessor through NAND gate radiofrequency signal control end; NAND gate connects the RF power amplification circuit through RF driver circuit; First analog-digital converter is through the voltage sampling end of voltage sample circuit connection RF power amplification circuit, and second analog-digital converter connects the current sampling end of RF power amplification circuit through current sampling circuit; The analog signal output of second digital to analog converter connects audio amplifier circuit; Buffer circuit through latch/buffer connects the control signal end of first microprocessor, the input of buffer circuit connects Foot-controlled switch and/or manual switch.
3. the bipolar plasma generator of electrosurgery according to claim 2 is characterized in that said radiofrequency signal produces circuit and is made up of double D trigger or door, binary system coincidence counter, TTL phase inverter.
4. the bipolar plasma generator of electrosurgery according to claim 2; It is characterized in that said current sampling circuit comprises the first sampling ring; The first sampling ring is serially connected in the load circuit; The sampling ring is secondary induced voltage after the resistance pressure limiting, and signal is directly delivered to-dc voltage changer, and the aanalogvoltage of dc voltage changer output is delivered to second analog-digital converter.
5. the bipolar plasma generator of electrosurgery according to claim 2; It is characterized in that said voltage sample circuit comprises the second sampling ring; The second sampling ring is secondary induced voltage after resistance R 4 pressure limitings; Signal is directly delivered to-dc voltage changer (U4), and the aanalogvoltage of dc voltage changer (U4) output is delivered to first analog-digital converter and handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202200589U CN202173470U (en) | 2011-06-27 | 2011-06-27 | Electric surgical bipolar plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202200589U CN202173470U (en) | 2011-06-27 | 2011-06-27 | Electric surgical bipolar plasma generator |
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| CN202173470U true CN202173470U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202200589U Expired - Fee Related CN202173470U (en) | 2011-06-27 | 2011-06-27 | Electric surgical bipolar plasma generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094352A1 (en) * | 2012-12-21 | 2014-06-26 | 成都美创电子科技有限公司 | Low-temperature plasma generator used in surgery and knife system formed by same |
| CN108245235A (en) * | 2016-12-28 | 2018-07-06 | 南京森盛医疗设备有限公司 | A kind of control device of rapid blood coagulation cutter device |
| CN113262038A (en) * | 2021-06-19 | 2021-08-17 | 安徽奥弗医疗设备科技股份有限公司 | Power supply control system of plasma scalpel |
-
2011
- 2011-06-27 CN CN2011202200589U patent/CN202173470U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094352A1 (en) * | 2012-12-21 | 2014-06-26 | 成都美创电子科技有限公司 | Low-temperature plasma generator used in surgery and knife system formed by same |
| EP2937052A4 (en) * | 2012-12-21 | 2016-08-10 | Chengdu Mechan Electronic Technology Co Ltd | Low-temperature plasma generator used in surgery and knife system formed by same |
| CN108245235A (en) * | 2016-12-28 | 2018-07-06 | 南京森盛医疗设备有限公司 | A kind of control device of rapid blood coagulation cutter device |
| CN108245235B (en) * | 2016-12-28 | 2023-12-05 | 南京森盛医疗设备有限公司 | Control device of rapid coagulation cutting device |
| CN113262038A (en) * | 2021-06-19 | 2021-08-17 | 安徽奥弗医疗设备科技股份有限公司 | Power supply control system of plasma scalpel |
| CN113262038B (en) * | 2021-06-19 | 2024-04-16 | 安徽奥弗医疗设备科技股份有限公司 | Plasma scalpel power control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20130627 |