CN105266894A - Multi-electrode plasma radio frequency ablation system - Google Patents
Multi-electrode plasma radio frequency ablation system Download PDFInfo
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- CN105266894A CN105266894A CN201510559678.8A CN201510559678A CN105266894A CN 105266894 A CN105266894 A CN 105266894A CN 201510559678 A CN201510559678 A CN 201510559678A CN 105266894 A CN105266894 A CN 105266894A
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Abstract
The invention discloses a multi-electrode plasma radio frequency ablation system. The multi-electrode plasma radio frequency ablation system comprises a hoist, a power supply, a control pedal and a plasma cutter head. Every two adjacent electrodes are combined through three-level electrode nested combination, the electrodes are respectively connected to a pedal device, a first power supply and a second power supply via the host to form two sets of independent circuits which are respectively used for radio frequency and plasma radio frequency. By using the multi-electrode plasma radio frequency ablation system, low temperature plasma ablation or cutting can be achieved, and high temperature radio frequency can be output to damage nerves.
Description
Technical field
The present invention relates to medical surgical instrument field, relate in particular to a kind of multipole plasma radiofrequency ablation system.
Background technology
Operation at present for Wicresoft's pain therapy mainly adopts RF coagulation to damage art, the high frequency electric of an amplitude-controllable is produced by RF coagulation device inside, its frequency meets high frequency surgical instrument standard, be connected on procedures electrode by the plug of instrument outside and wire, hydrone vibration frictional heat under high-frequency electric field on this target spot, thus this temperature is raised, radio frequency temperature control heat setting device is this temperature value of strong side in real time, and the high frequency electric amplitude that adjustment in real time exports, thus temperature is controlled within the specific limits, reach the effect for the treatment of.But the central temperature of radio-frequency technique up to 150 DEG C, can bring abrasive calcination to histoorgan, and people seek better solution.
Plasma and radio frequency all belong to radio frequency (RadioFrequency), belong to the electromagnetic wave band of upper frequency.And plasma radiofrequency is the one end of 100kHz in radio-frequency range, electrolyte can be excited as plasma state.Under this state, electronics breaks away from nuclear constraint, does and independently moves, and electronics now and atom are charged particle freely, and high-temperature heating can obtain high-temperature plasma state, and plasma radiofrequency excites and can obtain low-temperature plasma state.By rf electric field, make charged particle obtain enough kinetic energy, interrupt molecular link, thus target tissue cell is disintegrated with molecular conformation.
Low-temperature plasma radio-frequency technique produces plasma with 100 ~ 120kHz ULF radio-frequency (RF) energy exciting media (NaCl), and the energy produced by radio-frequency technique interrupts molecular link, and protein and other By Direct Pyrolysis is become O
2, CO
2, N
2deng gas, thus complete tissue is cut, punches, is melted, the several functions such as shrinkage and hemostasis.Traditional mode of operation is divided into and melts, solidifies two kinds of mode of operations, can be used for neural and Soft tissue cutting, melts, solidifies and the treatment such as hemostasis.Central temperature, between 40 ~ 70 DEG C, reduces and organizes hot injury, realize the object of minimally-invasive treatment.
But current existing low-temperature plasma radio-frequency apparatus lacks nerve electric stimulation function.Define low-temperature plasma radio-frequency apparatus and damage the effect in peripheral nervous treatment, as nervi trigeminus, nervus glossopharyngeus, brachial plexus nerve, sciatic nerve, femoral nerve etc., owing to lacking nerve stimulation function, therefore cannot accurate localised puncture treatment position, affect therapeutic effect; On the other hand, carrying out of peripheral nervous low-temperature plasma radiofrequency ablation also can be affected.
Summary of the invention
Goal of the invention: the object of this invention is to provide and be a kind ofly applied to the clinical operations such as Pain Management, orthopaedics, rehabilitation department, Neurology Department, neurosurgery and possess the multipole plasma radiofrequency ablation system of nerve electric stimulation function and plasma radiofrequency ablation functionality simultaneously.
Technical scheme: for achieving the above object, a kind of multipole plasma radiofrequency ablation system of the present invention, comprises main frame, is connected respectively to the power supply of main frame, control pedal and plasma cutter head, and described power supply comprises the first power supply and second source; Described plasma cutter head comprises and is positioned at outermost first electrode, is positioned at second electrode in intermediate layer and is positioned at the 3rd electrode of innermost layer, described first electrode, the second electrode, the 3rd electrode is coaxial and place adjacent one another are is provided with insulating barrier, and the front end of three electrodes is to center successively in staged lordosis and outside being exposed to; Described second electrode can be connected to the first terminal or the second terminal by switching device, and the first terminal and the first Electrode connection are to the first power supply, and the second terminal and the 3rd Electrode connection are to second source.
Described first electrode rear end is connected with insulation epitheca, is provided with the insulation mesotheca of exposed second electrode front end between the first electrode and the second electrode, sheath in the insulation being provided with exposed 3rd electrode front end outside the 3rd electrode.Described insulation epitheca utilizes polyamide to make, and external diameter is 1 ~ 1.5mm; Insulation mesotheca and the interior sheath of insulation also utilize dielectric resin material to make, and are formed and have certain elastic layer structure.
The angle being in use safety and efficiency is set out, and described first electrode and the second electrode are hollow short cylinder, and rear end is connected with main frame respectively by wire.In order to increase the rigidity of plasma cutter head, facilitate inserting needle to operate, described 3rd electrode is hollow or solid body length rod, and rear end is connected with main frame by wire.Wire be generally by welding mode and electrode fix.
In order to realize the combination between each accessory, realize each electrode, the connection of insulation sheaths and fixing with epoxide resin material.Described first electrode bonds with insulation epitheca and is connected, and the second electrode is connected with the first electrode adhesion; And the 3rd electrode formed with sheath in insulation can the matched in clearance of relative sliding.In order to realize this function, the shank of described plasma cutter head is provided with the push rod that connection the 3rd electrode makes its stretching motion.The relative motion of the 3rd electrode relative to sheath in insulation is realized by push rod.When the 3rd electrode moves, the electromotive force formed between the exposed part of front end and the second electrode changes, and the thickness degree of plasmasphere also changes simultaneously, meets in the surgical demand of difference.
The present invention is relative to traditional two-layer electrode configuration, have employed three grades of new nested combinations of electrode, the combination of two that electrode is adjacent, foot pedal apparatus and the first power supply, second source is connected to respectively by main frame, form two and overlap independently circuit, the voltage of this two covers circuit release is different, the radio frequency therefore excited between the first electrode, the second electrode, and the second electrode, the radio frequency that excites between the 3rd electrode are different.By the circuit based on prior art in main frame, realize both having exported low-temperature plasma radio frequency (40 ~ 70 DEG C), high temperature radio frequency can be exported again and realize Neurolytic therapy.Adjustable radio-frequency frequency simultaneously, realizes the effect of solidifying, stopping blooding.These two circuit are switched by the switching device in main frame, and meanwhile, plasma cutter head is provided with to be located in main frame for described switching device, connect the first electrode, the wire of the second electrode and the 3rd electrode rear end and control pedal respectively.Described control pedal is provided with at least two group pedals and corresponding pressure transducer, connects respectively with the circuit being connected the first power supply and second source in main frame, exports by adopting pressure pedal scalable.
Beneficial effect: plasma radiofrequency ablation system of the present invention utilizes two switchable circuit, corresponding two arrays of electrodes combination respectively, realize the output of different radio frequency, both Collation surgery can be realized, also neural damage art can be realized, on basis of the present invention, can also carry out perfect further to three electrode shape, with the operation of applicable different occasion.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present invention;
Fig. 2 is the generalized section of plasma cutter head of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1 and Figure 2, a kind of multipole plasma radiofrequency ablation system, comprises main frame 10, is connected respectively to the first power supply 21 of main frame, second source 22, control pedal 30 and plasma cutter head 40.
Plasma cutter head 40 comprises and is positioned at outermost first electrode 51, is positioned at second electrode 52 in intermediate layer and is positioned at the 3rd electrode 53, three coaxial nested settings of electrode of innermost layer, and the front end of electrode is to center successively in staged lordosis and outside being exposed to; The rear portion of electrode is isolated by insulating barrier.First electrode 51 rear end is bonded with insulation epitheca 61, the insulation mesotheca 62 of exposed second electrode 52 front end is bonded with between first electrode 51 and the second electrode 52, sheath 63 in the insulation being provided with exposed 3rd electrode 53 front end outside 3rd electrode 53, and sheath 63 is adhered to the second electrode 52 inwall in insulation, the 3rd electrode 53 and sheath 63 in insulation are formed can the matched in clearance of relative sliding.In insulation epitheca 63, insulation mesotheca 62 and insulation, sheath 61 is all that polyamide is made, and is formed and has certain elastic layer structure.Aforesaid bonding be adopt epoxide resin material 9 to realize connecting and fixing.
First electrode 51 and the second electrode 52 are hollow short cylinder, and rear end is connected with main frame 10 respectively by welding lead 71,72, conducting wire cladding insulant.3rd electrode 53 is hollow or solid body length rod, and rear end is connected with main frame 10 by welding lead.The B end of the second electrode 52 can be connected to the first terminal 81 or the second terminal 82 by switching device 8, and the A of the first terminal 81 and the first electrode 51 holds the C being connected to the first power supply 21, second terminal 82 and the 3rd electrode 53 to hold and is connected to second source 22.
In order to realize three electrode stretching motion, the shank of plasma cutter head is provided with the push rod that connection the 3rd electrode makes its stretching motion.The relative motion of the 3rd electrode relative to sheath in insulation is realized by push rod.
Native system is relative to traditional two-layer electrode configuration, have employed three grades of new nested combinations of electrode, the combination of two that electrode is adjacent, foot pedal apparatus and the first power supply, second source is connected to respectively by main frame, form two and overlap independently circuit, the voltage of this two covers circuit release is different, excites low-temperature plasma radio frequency, excite high temperature radio frequency to damage for nerve between the second electrode, the 3rd electrode between the first electrode, the second electrode.By regulating rf frequency on main frame, realize the effect of solidifying, stopping blooding.These two circuit are switched by the switching device in main frame, and meanwhile, plasma cutter head is provided with to be located in main frame for switching device, connect the first electrode, the wire of the second electrode and the 3rd electrode rear end and control pedal respectively.Control pedal is provided with at least two group pedals and corresponding pressure transducer, connects respectively with the circuit being connected the first power supply and second source in main frame, exports by adopting pressure pedal scalable.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a multipole plasma radiofrequency ablation system, comprises main frame, is connected respectively to the power supply of main frame, control pedal and plasma cutter head, it is characterized in that: described power supply comprises the first power supply and second source; Described plasma cutter head comprises and is positioned at outermost first electrode, is positioned at second electrode in intermediate layer and is positioned at the 3rd electrode of innermost layer, described first electrode, the second electrode, the 3rd electrode is coaxial and place adjacent one another are is provided with insulating barrier, and the front end of three electrodes is to center successively in staged lordosis and outside being exposed to; Described second electrode can be connected to the first terminal or the second terminal by switching device, and the first terminal and the first Electrode connection are to the first power supply, and the second terminal and the 3rd Electrode connection are to second source.
2. a kind of multipole plasma radiofrequency ablation system according to claim 1, it is characterized in that: the first electrode rear end is connected with insulation epitheca, the insulation mesotheca of exposed second electrode front end is provided with, sheath in the insulation being provided with exposed 3rd electrode front end outside the 3rd electrode between first electrode and the second electrode.
3. a kind of multipole plasma radiofrequency ablation system according to claim 2, it is characterized in that: described first electrode and the second electrode are hollow short cylinder, rear end is connected with main frame respectively by wire, described 3rd electrode is hollow or solid body length rod, and rear end is connected with main frame by wire.
4. a kind of multipole plasma radiofrequency ablation system according to claim 3, it is characterized in that: described first electrode bonds with insulation epitheca and is connected, second electrode is connected with the first electrode adhesion, and the 3rd electrode is formed with sheath in insulation can the matched in clearance of relative sliding.
5. a kind of multipole plasma radiofrequency ablation system according to claim 4, is characterized in that: the shank of described plasma cutter head is provided with the push rod that connection the 3rd electrode makes its stretching motion.
6. a kind of multipole plasma radiofrequency ablation system according to claim 1, is characterized in that; Described switching device is located in main frame, connects the first electrode, the wire of the second electrode and the 3rd electrode rear end and control pedal respectively.
7. a kind of multipole plasma radiofrequency ablation system according to claim 6, is characterized in that: described control pedal is provided with at least two group pedals and corresponding pressure transducer, connects respectively with the circuit being connected the first power supply and second source in main frame.
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| CN201510559678.8A CN105266894B (en) | 2015-09-07 | 2015-09-07 | A kind of multipole plasma radiofrequency ablation system |
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| CN201510559678.8A CN105266894B (en) | 2015-09-07 | 2015-09-07 | A kind of multipole plasma radiofrequency ablation system |
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| CN105266894B CN105266894B (en) | 2017-12-08 |
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Cited By (9)
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|---|---|---|---|---|
| WO2017193429A1 (en) * | 2016-05-10 | 2017-11-16 | 赵志刚 | Multi-channel electrical stimulation treatment apparatus |
| US9855090B2 (en) | 2008-12-16 | 2018-01-02 | Arthrocare Corporation | Electrosurgical system with selective control of active and return electrodes |
| CN109199573A (en) * | 2018-09-04 | 2019-01-15 | 方润医疗器械科技（上海）有限公司 | A kind of plasma radiofrequency ablation system damaged for neuromodulation and nerve |
| CN109481007A (en) * | 2018-10-15 | 2019-03-19 | 江苏邦士医疗科技有限公司 | Low-temperature plasma radio frequency surgery systems and attachment |
| CN109512503A (en) * | 2017-09-18 | 2019-03-26 | 四川锦江电子科技有限公司 | A kind of Collation surgery system carrying out stimulation output |
| CN110269678A (en) * | 2019-07-18 | 2019-09-24 | 上海交通大学医学院附属第九人民医院 | A kind of decorative sursery Bipolar plasmakinetic procedures electrode |
| CN111110384A (en) * | 2018-11-01 | 2020-05-08 | 中国中医科学院广安门医院 | Construction method of animal model for medical research and corresponding equipment |
| CN113827337A (en) * | 2021-10-27 | 2021-12-24 | 南昌嘉研科技有限公司 | Plasma scalpel and plasma surgical system thereof |
| CN114376722A (en) * | 2022-03-24 | 2022-04-22 | 北京格瑞朗博科技发展有限公司 | Radio frequency and low temperature plasma operation electrode |
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| US20080021447A1 (en) * | 1998-08-11 | 2008-01-24 | Arthrocare Corporation | Instrument for electrosurgical tissue treatment |
| CN102245118A (en) * | 2008-10-21 | 2011-11-16 | 爱马仕创新有限公司 | Tissue ablation systems |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9855090B2 (en) | 2008-12-16 | 2018-01-02 | Arthrocare Corporation | Electrosurgical system with selective control of active and return electrodes |
| WO2017193429A1 (en) * | 2016-05-10 | 2017-11-16 | 赵志刚 | Multi-channel electrical stimulation treatment apparatus |
| CN109512503A (en) * | 2017-09-18 | 2019-03-26 | 四川锦江电子科技有限公司 | A kind of Collation surgery system carrying out stimulation output |
| CN109512503B (en) * | 2017-09-18 | 2020-03-31 | 四川锦江电子科技有限公司 | Low-temperature plasma ablation system capable of outputting stimulation |
| CN109199573A (en) * | 2018-09-04 | 2019-01-15 | 方润医疗器械科技（上海）有限公司 | A kind of plasma radiofrequency ablation system damaged for neuromodulation and nerve |
| CN109481007A (en) * | 2018-10-15 | 2019-03-19 | 江苏邦士医疗科技有限公司 | Low-temperature plasma radio frequency surgery systems and attachment |
| CN111110384A (en) * | 2018-11-01 | 2020-05-08 | 中国中医科学院广安门医院 | Construction method of animal model for medical research and corresponding equipment |
| CN110269678A (en) * | 2019-07-18 | 2019-09-24 | 上海交通大学医学院附属第九人民医院 | A kind of decorative sursery Bipolar plasmakinetic procedures electrode |
| CN113827337A (en) * | 2021-10-27 | 2021-12-24 | 南昌嘉研科技有限公司 | Plasma scalpel and plasma surgical system thereof |
| CN114376722A (en) * | 2022-03-24 | 2022-04-22 | 北京格瑞朗博科技发展有限公司 | Radio frequency and low temperature plasma operation electrode |
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| CN105266894B (en) | 2017-12-08 |
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