CN209392091U - Radio frequency heating probe device and radio frequency ablation equipment - Google Patents

Radio frequency heating probe device and radio frequency ablation equipment Download PDF

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Publication number
CN209392091U
CN209392091U CN201821488081.4U CN201821488081U CN209392091U CN 209392091 U CN209392091 U CN 209392091U CN 201821488081 U CN201821488081 U CN 201821488081U CN 209392091 U CN209392091 U CN 209392091U
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radio frequency
probe
conduit
flexible
frequency heating
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张晴蕾
邓中山
刘静
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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Abstract

The embodiment of the utility model provides a radio frequency heating probe device and radio frequency melt equipment, the radio frequency heating probe device includes: the probe comprises a probe head, liquid metal, a flexible probe conduit, a curvature adjusting part, a heat exchange part and a pumping part, wherein the liquid metal circularly flows in a loop formed by a flexible liquid inlet conduit, the probe head, a flexible liquid outlet conduit and the heat exchange part under the driving of the pumping part, and the curvature adjusting part is arranged in the flexible probe conduit and used for adjusting the curvature of the flexible probe conduit. The radio frequency heating probe device and the radio frequency ablation equipment provided by the embodiment of the utility model adopt the flexible bendable probe tube structure, and the bending degree of the probe tube is controlled by the temperature change of the resistance wire, so as to be better adapted to the heart environment of the human body; meanwhile, the liquid metal circulates in the guide pipe, the temperature of the probe head is effectively prevented from being too high, and the corrosion effect of the traditional cooling working medium on the probe head can be avoided.

Description

Radio frequency heating probe unit and radio frequency ablation device
Technical field
The utility model embodiment is related to electricity ablation medical instruments field, more particularly, to a kind of radio frequency heating probe Device and radio frequency ablation device.
Background technique
Heart atrial fibrillation is a kind of common tachy-arrhythmia illness, incidence with advancing age and gradually on It rises.In the treatment of heart atrial fibrillation, drug therapy is a kind of common treatment means, it can alleviate disease to a certain extent Shape also avoids the pain of patients surgery.But many times, the effect is unsatisfactory for drug therapy.And some atrial fibrillations are suffered from Person cannot mitigate slight illness by the means of drug therapy due to various reasons.With the development of science and technology, non-drug therapy Method is increasingly becoming emphasis concerned by people.Currently, most common method is in the non-pharmaceutical method for the treatment of heart atrial fibrillation Radiofrequency catheter ablation, it has become one of radical cure paroxysmal heart atrial fibrillation most efficient method.Radiofrequency catheter ablation also because Its highly-safe, few intercurrent disease, the advantages that effect is obvious, minimally invasive, are used widely in heart atrial fibrillation therapy.
In RF ablation, the heat of end of probe is exported as the increase of distance can rapid decrease.In clinical operation, it is So that energy is exported at a distance, usually can be due to temperature excessively high and cause probe surrounding tissue to be carbonized, this is unfavorable for heart The operation of the opposite fines such as atrial fibrillation.Also, the carbonization of probe surrounding tissue can also impact probe energy input, in turn Influence therapeutic effect.Cold brine perfusion radiofrequency catheter can improve the excessively high caused carbonization problem of temperature.It passes through in probe The micro perfusion hole injection correct termination electrode of cool brine of portion's setting is cooled down, to improve power output and reduce thrombus shape At.
In this pouring type radiofrequency catheter device, the cooling working medium being related to is cool brine as coolant liquid, however this Kind device will limit its function and effect there are certain disadvantage.The thermal conductivity of one side cool brine itself is not high, on the other hand The metal material of its correct termination electrode of meeting during prolonged use slowly corrodes, and influences the electromagnetic wave energy of probe head end Output performance, and then influence successive treatment effect.
In addition, RF catheter ablation operation in, conduit enter in heart need certain bending get to need The specific site to be melted, but current some radiofrequency catheters, flexibility is not high, and bending degree is undesirable, in openheart surgery In, especially ablative surgery, needing more accurately to bend makes conduit reach specified ablation site.
Utility model content
(1) technical problems to be solved
The purpose of the utility model embodiment is to provide a kind of radio frequency heating probe unit and RF ablation probe, solves Not high, the perishable disadvantage of cooling working medium conductivity in existing radio frequency heating probe unit, while also achieving probe device Flexible bending, improve the working efficiency and the scope of application of equipment.
(2) technical solution
In order to solve the above-mentioned technical problem, according to the one aspect of the utility model embodiment, a kind of radio frequency heating is provided Probe unit, comprising: probe, liquid metal, flexible stylet conduit, curvature regulating member, heat exchanger components and pump section Part, the connecting pin of the probe are separately connected flexible liquid inlet conduit and flexible eluate conduit, the flexible stylet conduit with The connecting pin of the probe is fixedly connected, and the flexibility liquid inlet conduit and flexible eluate conduit are nested in the flexible stylet and lead Inside pipe, the outlet end of the flexibility eluate conduit is connected to the arrival end of the heat exchanger components, the outlet of the heat exchanger components It holds and is connected to the arrival end of the flexible liquid inlet conduit, the pumping member is installed in the flexible liquid inlet conduit, the liquid State metal is under the driving of the pumping member through the flexible liquid inlet conduit, probe, flexible eluate conduit and heat exchanging part It is circulated in the circuit of part composition, the curvature regulating member is embedded in the flexible stylet conduit and for adjusting institute State the curvature of flexible stylet conduit.
Preferably, the curvature regulating member includes: more resistance wires, the more resistance wire parallel connection electrical connections and edge The axially spaced-apart of the flexible stylet conduit is arranged, and shape memory member is equipped between adjacent two resistance wires, described soft Property probe catheter be equipped with for control every resistance wire autonomous working regulation button.
Preferably, the flexible stylet conduit is equipped with probe handle, the regulation button far from one end of the probe It is installed in the probe handle.
Preferably, the feed liquor circulation conduit and outside of liquid circulation conduit is enclosed with thermal insulation layer out.
Preferably, the pumping member is micro fluidic device, and it is soft that drug conveying is also nested in the flexible stylet conduit Pipe, the outlet end of the drug delivery hose are located at the transmitting terminal of the probe, the arrival end of the drug delivery hose and The micro fluidic device is connected to, and is also connected with medicine storing bag on the micro fluidic device, the drug in the medicine storing bag is described micro- Outlet end outflow under the driving of flow control apparatus through the drug delivery hose.
Preferably, the liquid metal is gallium-indium alloy or gallium-indium-tin alloy.
Preferably, the transmitting terminal of the probe is equipped with miniature webcam and LED light source.
Preferably, the radio frequency heating probe unit further include: fan, the fan outer cover is equipped with radome fairing, described The setting of heat exchanger components described in the face of fan position.
According to the another aspect of the utility model embodiment, a kind of radio frequency ablation device is provided, comprising: auxiliary electrode is penetrated Take place frequently radio frequency heating probe unit described in generating apparatus and the utility model embodiment first aspect, the radio frequency generator It is equipped with the RF energy output port for connecting liquid metal in the auxiliary electrode and the radio frequency heating probe unit.
Preferably, radio frequency ablation device further include: data acquisition processing device, the transmitting terminal of the probe with it is described soft Property probe catheter side wall be equipped with multiple temperature sensors, the pumping member, fan, radio frequency generator and multiple temperature Degree sensor is electrically connected with the data acquisition processing device, and the data acquisition processing device is passed according to the multiple temperature The revolving speed of the power of pumping member, the frequency of radio frequency generator and fan described in the temperature data feedback regulation of sensor.
(3) beneficial effect
Radio frequency heating probe unit and radio frequency ablation device provided by the embodiment of the utility model, using flexible bendable Probe tube structure, and changed by the temperature of resistance wire to control the bending degree of probe tube, human body can be better adapted to Cardiac environment;Simultaneously by circulation of the liquid metal in conduit, effectively prevents probe temperature excessively high, can also avoid Corrosiveness of the tradition cooling working medium for probe.
In addition, the medical camera and LED light source of probe head end, can provide visualization function, determine that conduit exists in real time The completion quality of operation can be improved in position in heart.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of radio frequency heating probe in the utility model embodiment;
Fig. 2 is the internal structure chart of flexible stylet conduit in the utility model embodiment;
Fig. 3 is the sectional view of flexible liquid inlet conduit in the utility model embodiment;
Fig. 4 is the structural schematic diagram of radio frequency heating probe in another embodiment of the utility model;
Fig. 5 is the internal structure chart of flexible stylet conduit in another embodiment of the utility model;
Fig. 6 is the connection schematic diagram of radio frequency ablation device in the utility model embodiment;
Appended drawing reference:
1- probe;2- resistance wire;3- shape memory member;4- flexible stylet conduit;5- probe handle;6- adjusting is pressed Button;7- pumping member;8- heat exchanger components;9- liquid metal;10- radio frequency generator;11- miniature webcam;12-LED light source; 13- data acquisition processing device;14- fan;15- radome fairing;16- computer;17- auxiliary electrode;18- temperature sensor;19- Medicine storing bag;401- flexibility liquid inlet conduit;402- flexibility eluate conduit;403- drug delivery hose;404- insulating layer.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
As shown in Figure 1 to Figure 3, the utility model embodiment provides a kind of radio frequency heating probe unit, specifically includes: probe First 1, liquid metal 9, flexible stylet conduit 4, curvature regulating member, heat exchanger components 8 and pumping member 7.
Wherein, probe 1 can choose stainless steel production, and on the one hand it has certain hardness, and on the other hand it has good Good electric conductivity.Probe 1 divides for transmitting terminal and connecting pin, and transmitting terminal is used for ablation process, connecting pin with thermal energy is generated For fixed support and connect circulating cooling liquid.Specifically, probe 1 is equipped with liquid metal chamber close to the position of connecting pin 101, liquid metal chamber is connected to flexible liquid inlet conduit 401 and flexible eluate conduit 402, flexible liquid inlet conduit 401 and flexibility Eluate conduit 402 may be configured as identical caliber, and liquid metal 9 flows into liquid metal chamber from flexible liquid inlet conduit 401 101, and flow out to heat exchanger components 8 from flexible eluate conduit 402 and cooled down.The connecting pin of probe 1 is installed in flexible stylet The end of sheathed catheter 4, and flexible liquid inlet conduit 401 and flexible eluate conduit 402 are set in it by flexible stylet conduit 4 On the one hand there is the operation using probe in portion, on the other hand visit convenient for being adjusted by the curvature for controlling flexible stylet conduit 4 The position of needle.
In the above-described embodiments, the liquid metal 9 that heat exchanger components 8 are mainly used for flow out from probe 1 carries out cooling drop Temperature is simultaneously recycled, and heat exchanger components 8 include arrival end and outlet end, and for flowing in and out for circulating cooling liquid, flexibility goes out liquid The outlet end of conduit 402 is connected to the arrival end of heat exchanger components 8, and the outlet end of heat exchanger components 8 enters with flexible liquid inlet conduit 401 The connection of mouth end.Finned heat exchanger specifically can be used in heat exchanger components 8 in the present embodiment, and finned heat exchanger is that gas and liquid heat are handed over The most widely used a kind of heat exchange equipment in parallel operation, it reaches augmentation of heat transfer by installing fin additional on common base tube Purpose, heat exchange efficiency are high.
In the above-described embodiments, pumping member 7 is used to drive the flowing of liquid metal 9 in entire circulation loop, pump section Mechanical pump or electromagnetic pump can be used in part 7, is specifically installed in the outlet end in flexible liquid inlet conduit 401 and close to heat exchanger components 8.Liquid State metal 9 is filled in the circuit being made of flexible liquid inlet conduit 401, probe 1, flexible eluate conduit 402 and heat exchanger components 8 In, and circulated under the driving of pumping member 7, to cool down for probe 1.It is above-mentioned flexible liquid inlet conduit 401, flexible Eluate conduit 402 and flexible stylet conduit 4 are that flexible material is made, and are conducive to the bending control of probe unit, flexible material Material includes but is not limited to Thermostable flexible hose.The low melting point being in a liquid state under room temperature gold may be selected in liquid metal 9 in above-described embodiment Belong to, such as gallium-indium alloy or gallium-indium-tin alloy.Compared with cold brine perfusion radiofrequency catheter, the thermal conductivity of liquid metal 9 is two big The order of magnitude, big six orders of magnitude of conductivity, more traditional working medium, the probe catheter based on liquid metal can carry out more probe Effective cooling, and there is no corrosiveness to the head end electrode of probe.It can in addition, having when liquid metal is as radio-frequency antenna The features such as morphotropism and self-repairing capability, this makes its bent antenna material as function admirable, can readily pass through Blood vessel enters into the human body, to treat to patient.
In the above-described embodiments, it in order to improve the flexibility of radio frequency heating probe unit, is equipped in flexible stylet conduit 4 Curvature regulating member, it is two sections that flexible stylet conduit 4 is divided to by curvature regulating member, for adjusting flexible stylet conduit 4 Bending degree and bending direction, flexible liquid inlet conduit 401 and flexible eluate conduit 402 inside flexible stylet conduit 4 are soft Property material, thus also can synchronize realization bending, so as to be probe 1 accurately reaches specifically melt site.
The purpose of the utility model embodiment is mainly using liquid metal as the cooling working medium of probe and radio frequency day Line can either take away the heat of probe, prevent from burning, and can provide as the antenna of radio frequency generator for probe RF energy, while can also be greatly improved with flexible conduit material buckles, the flexibility of application.
In the above-described embodiments, curvature regulating member specifically includes: more resistance wires 2, and more 2 parallel connections of resistance wire are electrically connected It connects, and is arranged along the axially spaced-apart of flexible stylet conduit 4, shape memory member 3 is equipped between adjacent two resistance wires 2, quite It is arranged in resistance wire 1 and 3 alternate intervals of shape memory member.It is equipped on flexible stylet conduit 4 for controlling every resistance wire 2 The regulation button 6 of autonomous working.Specifically, resistance wire 2 can choose nickel-chromium resistance wire, and 2 temperature of resistance wire increases, shape memory Element 3 is bent, and wire temperature reduces shape memory member 3 and restores to the original state, and is added in this way by controlling different resistance wires 2 Heat can neatly control the bending degree of conduit device, realize the adjustable function of probe catheter camber.Wherein, shape is remembered Recall element 3 to be made of shape-memory material, specifically usable marmem or shape memory high molecule material.
On the basis of the above embodiments, for the ease of the hand-held of flexible stylet conduit 4, in flexible stylet conduit 4 Probe handle 5 is installed in upper one end far from probe 1, and regulation button 6 is installed in probe handle, and regulation button 6 can visited It is slided on needle handle 5, and is equipped with the identifier corresponding to different resistance wires 1 in probe handle 5, when adjusting knob 6 slides When to corresponding resistance wire identifier position, corresponding resistance wire is started to work.Heat-resisting material may be selected in probe handle 5 Production, it is preferable that polytetrafluoroethylene material can be used.
In order to improve cooling efficiency, the liquid metal of low temperature and flexible eluate conduit 402 in flexible liquid inlet conduit 401 are prevented The liquid metal of interior high temperature influences each other, and is enclosed in the outside of flexible liquid inlet conduit 401 and flexible eluate conduit 402 heat-insulated Layer 404.The design of thermal insulation layer 404 can prevent the heat exchange of high temperature, low temperature liquid metal in flexible stylet conduit 4, from And can effectively it cool down for probe 1.
On the basis of the various embodiments described above, miniature webcam 11 and LED light source are also embedded in the transmitting terminal of probe 1 12, miniature webcam 11 is mounted on inside the transmitting terminal of probe 1, with the property of transparent heat-barrier material protection miniature webcam 11 It can be not affected by high temperatures.Compared with the method for positioning probe position outside conventional bulk, on the one hand, this visualization probe can be shown in real time Show the specific location of probe in vivo;On the other hand, intracorporal tissue blood vessel environment can also be shown by miniature webcam, made It is more accurate to melt site.
On the basis of the various embodiments described above, with reference to Fig. 6, the radio frequency heating probe unit further include: fan 14, fan 14 outer covers are equipped with radome fairing 15, and for improving the fan thermal effect of fan, fan 14 is oppositely arranged with heat exchanger components 8, to improve The cooling effect of heat exchanger components 8, and it is convenient for subsequent linkage control.
On the basis of the various embodiments described above, with reference to Fig. 4 and Fig. 5, radio frequency heating provided by the utility model embodiment Difference in the structure and the various embodiments described above of probe unit is that structure is more miniaturized, the system of pump liquid-state metal with it is micro- Fluidics combines, using micro fluidic device as pumping member 7 come pump liquid-state metal 9, and the radio frequency in this example adds The function of release drug is also added into thermal probe device.
Specifically, the probe diameter of probe catheter more tinyization compared with flexible liquid inlet conduit 401 is convenient for large area ablation Afterwards, the cleaning and ablation of minimal disease.In addition, the transformation that pumping member 7 is also miniaturized, is pumped using micro fluidic device A small amount of liquid metal 9 is sent, in whole device system, since probe unit is miniaturized, liquid metal 9 is in flexible liquid inlet conduit 401 is also less with the flow of flexible eluate conduit 402, so for the radio frequency heating probe unit after micromation, heat dissipation Also become to be more easier.
In addition, also adding the function of drug delivery, there are also variations for the structure of corresponding probe catheter.Micro-fluidic It in device, can include but is not limited to the structures such as Micropump, micro-valve, on the one hand can be the circulation of liquid metal 9 and passing for drug Offer power is provided, on the other hand can control drug release and burst size.In addition, micro fluidic device is also connected with medicine storing bag 19, Medicine storing bag 19 can be replaced flexibly, and the size of medicine storing bag 19 and the drug of loading can be selected artificially.Expand probe catheter Application range in the treatment.Drug delivery hose 403, the outlet of drug delivery hose 403 are additionally provided in probe catheter End is located at the transmitting terminal of probe 1, and the arrival end of drug delivery hose 403 is connected to micro fluidic device, in micro fluidic device Under control, drug is flowed into the drug delivery hose 403 in flexible stylet conduit 4 from medicine storing bag 20, is conveyed by drug soft The outlet end of pipe 403 is flowed out, and then is discharged into specific medicine-feeding part from the transmitting terminal of probe 1.In the present embodiment, Qi Tasuo There are component and related work principle to carry out detailed and deep explanation in the above embodiments, therefore no longer superfluous It states.
On the basis of the various embodiments described above, with reference to Fig. 6, the utility model embodiment provides a kind of radio frequency ablation device, Radio frequency ablation device includes the radio frequency heating probe dress in auxiliary electrode 17, radio frequency generator 10 and the various embodiments described above It sets, radio frequency generator 10 is the device that radio frequency occurs in operative treatment.At least provided with two radio frequencies on radio frequency generator 10 Energy output port can drive more radio frequencies to add simultaneously when there is multiple RF energy output ports on radio frequency generator 10 Thermal probe device.Liquid metal 9 in flexible stylet conduit 4 is connected by transmission electric wire and one of RF energy output port It connects, so that RF energy is output to probe 1 using liquid metal 9;Auxiliary electrode 17 passes through transmission electric wire and therein another One RF energy output port connection, probe 1 and auxiliary electrode 17 form electrode pair, and what radio frequency generator 10 issued penetrates Ion in frequency wave excitation tissue shakes, and thermal energy is converted by RF energy, to reach ablation purpose.
On the basis of the above embodiments, data acquisition processing device 13 connects each important portion in radio frequency ablation device Part, including pumping member 7, radio frequency generator 10, computer 16, fan 14.Computer 16 is acquired as host computer and data Processing unit electrical connection, controls the operating status of entire radio frequency ablation device.In the transmitting terminal and flexible stylet conduit of probe 1 4 side wall is equipped with multiple temperature sensors 18, and multiple temperature sensors 18 are for real-time monitoring radio frequency heating probe unit Temperature change.Temperature sensor 18 is electrically connected with data acquisition processing device 13, the probe 1 that temperature sensor 18 detects with The real time temperature data of flexible stylet conduit 4 are sent on data acquisition processing device 13, are analyzed by the data of computer 16, Feed back to data acquisition processing device 13 and occurrence frequency and fan to the power of pumping member 7, radio frequency generator 10 14 revolving speed is controlled and is adjusted accordingly.In the present embodiment, can join about the specific structure of radio frequency heating probe unit According to the content of the various embodiments described above, no longer it is described in detail herein.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of radio frequency heating probe unit characterized by comprising probe, liquid metal, flexible stylet conduit, bending Spend regulating member, heat exchanger components and pumping member, the connecting pin of the probe is separately connected flexible liquid inlet conduit and soft Property eluate conduit, the flexible stylet conduit is fixedly connected with the connecting pin of the probe, the flexibility liquid inlet conduit and soft Property eluate conduit be nested in the flexible stylet catheter interior, the outlet end of the flexibility eluate conduit and the heat exchanger components Arrival end connection, the outlet end of the heat exchanger components are connected to the arrival end of the flexible liquid inlet conduit, the pumping member dress Be located in the flexible liquid inlet conduit, the liquid metal under the driving of the pumping member through the flexible liquid inlet conduit, It is circulated in the circuit of probe, flexible eluate conduit and heat exchanger components composition, the curvature regulating member is embedded at Curvature in the flexible stylet conduit and for adjusting the flexible stylet conduit.
2. radio frequency heating probe unit according to claim 1, which is characterized in that the curvature regulating member includes: More resistance wires, the more resistance wire parallel connections are electrically connected and are arranged along the axially spaced-apart of the flexible stylet conduit, adjacent two Shape memory member is equipped between resistance wire described in root, the flexible stylet conduit is equipped with for controlling every resistance wire independence The regulation button of work.
3. radio frequency heating probe unit according to claim 2, which is characterized in that the flexible stylet conduit is far from described One end of probe is equipped with probe handle, and the regulation button is installed in the probe handle.
4. radio frequency heating probe unit according to claim 3, which is characterized in that the feed liquor circulation conduit and liquid follows out The outside of ring conduit is enclosed with thermal insulation layer.
5. according to claim 1 to the radio frequency heating probe unit any in 4, which is characterized in that the pumping member is Micro fluidic device is also nested with drug delivery hose, the outlet end position of the drug delivery hose in the flexible stylet conduit It is connected in the arrival end of the transmitting terminal of the probe, the drug delivery hose with the micro fluidic device, it is described micro-fluidic Medicine storing bag is also connected on device, the drug in the medicine storing bag conveys under the driving of the micro fluidic device through the drug It flows out the outlet end of hose.
6. radio frequency heating probe unit according to claim 5, which is characterized in that the liquid metal be gallium-indium alloy or Gallium-indium-tin alloy.
7. radio frequency heating probe unit according to claim 5, which is characterized in that the transmitting terminal of the probe is equipped with micro- Type camera and LED light source.
8. according to claim 1 to any radio frequency heating probe unit in 4, which is characterized in that further include: fan, institute Fan outer cover is stated equipped with radome fairing, the fan is oppositely arranged with the heat exchanger components.
9. a kind of includes the radio frequency ablation device of the radio frequency heating probe unit as described in claim 1 to 8 is any, feature exists In, comprising: radio frequency heating probe unit, auxiliary electrode and radio frequency generator, the radio frequency generator are equipped with and are used for Connect the RF energy output port of liquid metal in the auxiliary electrode and the radio frequency heating probe unit.
10. radio frequency ablation device according to claim 9, which is characterized in that further include: data acquisition processing device, institute The side wall of the transmitting terminal and the flexible stylet conduit of stating probe is equipped with multiple temperature sensors, the pumping member, wind Fan, radio frequency generator and multiple temperature sensors are electrically connected with the data acquisition processing device, the data acquisition Power, the radio frequency of processing unit pumping member according to the temperature data feedback regulation of the multiple temperature sensor fill The revolving speed of the frequency and fan set.
CN201821488081.4U 2018-09-12 2018-09-12 Radio frequency heating probe device and radio frequency ablation equipment Active CN209392091U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109259856A (en) * 2018-09-12 2019-01-25 中国科学院理化技术研究所 Radio frequency heating probe device and radio frequency ablation equipment
CN115429423A (en) * 2022-11-07 2022-12-06 海杰亚(北京)医疗器械有限公司 Waterless microwave ablation needle and microwave ablation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109259856A (en) * 2018-09-12 2019-01-25 中国科学院理化技术研究所 Radio frequency heating probe device and radio frequency ablation equipment
CN115429423A (en) * 2022-11-07 2022-12-06 海杰亚(北京)医疗器械有限公司 Waterless microwave ablation needle and microwave ablation system
CN115429423B (en) * 2022-11-07 2023-01-24 海杰亚(北京)医疗器械有限公司 Waterless microwave ablation needle and microwave ablation system

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