CN104783896A - Radiofrequency ablation electrode capable of adjusting direction of electrode tip - Google Patents
Radiofrequency ablation electrode capable of adjusting direction of electrode tip Download PDFInfo
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- CN104783896A CN104783896A CN201510213678.2A CN201510213678A CN104783896A CN 104783896 A CN104783896 A CN 104783896A CN 201510213678 A CN201510213678 A CN 201510213678A CN 104783896 A CN104783896 A CN 104783896A
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Abstract
The invention provides a radiofrequency ablation electrode capable of adjusting the direction of an electrode tip. The radiofrequency ablation electrode comprises a handle, a sleeve rotating assembly, a sleeve and an electrode body, the handle, the sleeve rotating assembly and the sleeve are sequentially connected in a butted mode, and the electrode body is arranged in the handle, the sleeve rotating assembly and the sleeve. The sleeve rotating assembly controls the sleeve to rotate. The radiofrequency ablation electrode further comprises an electrode pushing assembly used for controlling the electrode body to stretch out of the sleeve or contract in the sleeve, and a sleeve bending adjusting assembly used for controlling the bending angle of the sleeve. The electrode is a soft needle electrode, and the electrode pushing assembly controls the electrode body to stretch out to the outer side of the sleeve in the bending direction of the sleeve. The sleeve bending adjusting assembly and the sleeve rotating assembly are used in cooperation, the ablation electrode can be adjusted in any direction and distance in a three-dimensional coordinate in a body, and the electrode tip reaches the target tumor area more easily. The radiofrequency ablation electrode is more suitable for treating the tumor portion not easily reached through direct piercing.
Description
Technical field
The present invention relates to a kind of radio-frequency ablation electrode, especially a kind of radio-frequency ablation electrode that can regulate the direction of electrode tip.
Background technology
At present, percutaneous puncture radio-frequency (RF) ablation is adopted to be widely usedly carry out one of minimally-invasive treatment mode to tumor.Over the course for the treatment of, under the supervision of endoscopic ultrasonic, radio-frequency ablation electrode carries out radio-frequency (RF) ablation by external Direct perforantes to tumor locus, effectively can reduce and close on the situation that internal organs are subject to hot injury, when especially privileged sites malignant tumor being treated, can reduce the damage to surrounding organ under the prerequisite of complete ablated tumor, reduce the incidence rate of complication, clinical therapeutic efficacy is better.
Because existing radio-frequency ablation electrode only carries out the puncture of single direction, and the puncture path of electrode can be subject to the stop of skeleton, blood vessel and internal organs, thus greatly limits the position that can puncture, and causes the scope of application of external puncture radio-frequency (RF) ablation to reduce.Because radio-frequency ablation electrode puncture is to the path in body and limited space, therefore, the radiofrequency ablation therapy that external penetrating electrodes is carried out cannot be adapted to the oncotherapy at most of position.
Therefore, based on the shortcoming of above-mentioned existence, be badly in need of a can puncturing into after in body by means of endoscope's tract, locate by means of endo-luminal ultrasound in vivo, can travel direction and apart from freely regulated radio-frequency ablation electrode, thus by the restriction of puncture path, the tumour ablation treating being adapted to more positions under the prerequisite damaging trunk, skeleton, internal organs can not avoided.
Summary of the invention
For the weak point existed in the problems referred to above, the invention provides a kind of radio-frequency ablation electrode that can regulate the direction of electrode tip, it guides by means of endoscope, localization by ultrasonic in mating cavity, puncturing into after in body, the radio-frequency ablation electrode of final goal adjustment can be carried out according to the position of tumor to ablating electrode, thus blood vessel, skeleton and important organ can be got around, be beyond one's reach the treatment of tumor region to be adapted to Direct perforantes.
For achieving the above object, the invention provides a kind of radio-frequency ablation electrode that can regulate the direction of electrode tip, comprise the handle (12) docked successively, sleeve rotating assembly (11) and sleeve pipe, and be arranged on described handle (12), described sleeve rotating assembly (11) and the electrode (1) in described sleeve pipe, described sleeve rotating assembly (11) controls described sleeve pipe and rotates, also comprise for controlling described electrode (1) by stretching out in described sleeve pipe or being recycled to the electrode propelling movement assembly in described sleeve pipe, with the casing buckling adjusting part for controlling described casing buckling angle,
Described electrode (1) is soft needle electrode, and described electrode pushes assembly and controls described electrode (1) and extend out to described outside of sleeve along the bending direction of described sleeve pipe.
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip; wherein; the end of described sleeve pipe is embedded on the front end face of described sleeve rotating assembly (11), and described sleeve pipe comprises the hard metal pipe (6) and metal hose (4) and the protective casing (5) being set in described hard metal pipe (6) and described metal hose (4) outside that connect.
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, in described handle (12), be provided with adapter assembly, described adapter assembly comprises the cable connector (16) be connected with temperature measurement component with described electrode (1), the water filling joint (17) be communicated with the outlet (3) being opened in described electrode (1) front end face and for pushing with described electrode the propelling movement auxiliary section (18) that assembly matches.
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, is provided with in the inside of described handle (12) slideway carrying out displacement for described adapter assembly therein;
Be provided with at the top surface of described handle (12) and be convenient to check described electrode (1) outreach graduation indication line (20).
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, described temperature measurement component is made up of multiple temperature inductor (2) and coupled temperature inductor cable (8), the end of described temperature inductor cable (8) is connected with described cable connector (16), and described temperature inductor (2) is arranged on the front end of described electrode (1) and/or the front end of described metal hose (4).
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, described casing buckling adjusting part comprises adjusting knob (10) and forms with the wire drawing (9) be wrapped in its outside wall surface, the bottom of described adjusting knob (10) is assemblied in the inside of described sleeve rotating assembly (11), the other end of described wire drawing (9) is connected with the front end of described metal hose (4), straining described wire drawing (9) by rotating described adjusting knob (10), becoming case of bending to order about described metal hose (4) from level.
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, described electrode pushes assembly and comprises and push handle and coupled have elastic propelling movement sheet (15), described propelling movement handle is made up of fixed handle portion (13) and movable hand shank (14), the end of described propelling movement sheet (15) is connected with described movable hand shank (12), and its top contact is in the rear end of described propelling movement auxiliary section (18);
That cooperatively interact, for positioning the position of described electrode (1) card-tight part (19) is equipped with in described fixed handle portion (13) and the corresponding side of described movable hand shank (14).
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, described casing buckling adjusting part comprises regulating handle, and coupled wire drawing (9), described regulating handle is made up of fixed handle portion (13) and movable hand shank (14), described fixed handle portion (13) is connected with described handle (12), the end of described wire drawing (9) is connected with described movable hand shank portion (14), the other end is then connected with the front end of described metal hose (4), described wire drawing (9) is under the drive of described regulating handle, case of bending is become from level to order about described metal hose (4).
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, that cooperatively interact, for positioning the state of described metal hose (4) card-tight part (19) is equipped with in described fixed handle portion (13) and the corresponding side of described movable hand shank (14).
The above-mentioned radio-frequency ablation electrode that can regulate the direction of electrode tip, wherein, described electrode pushes assembly for pushing sheet (15), and described propelling movement sheet (15) is trigger-like structure.
Compared with prior art, the present invention has the following advantages:
Casing buckling adjusting part in the present invention and sleeve rotating assembly with the use of time, space orientation can be carried out to ablating electrode according to the position of tumor, the front end of sleeve pipe can be made to become case of bending at any angle from level by casing buckling adjusting part, then sleeve pipe can be made to carry out the clockwise and counterclockwise rotation of 360 ° by sleeve rotating assembly, the location, arbitrfary point in three-dimensional coordinate can be realized, electrode punctures into the target region that still arbitrarily can change final puncture after in body by means of endoscope's tract, thus greatly increase the region that can melt, to be adapted to melting of more multiple location tumor.The position be convenient to case of bending and the electrode of sleeve pipe stretch out by card-tight part is positioned, and can prevent the phenomenon of regulating handle generation resilience.
Accompanying drawing explanation
Fig. 1 is the sectional view of first embodiment of the invention;
Fig. 2 is the sectional view that in Fig. 1, electrode stretches out outside of sleeve;
Fig. 3 is the sectional view of second embodiment of the invention;
Fig. 4 is the sectional view that in Fig. 3, electrode stretches out outside of sleeve.
Main Reference Numerals is described as follows:
1-electrode; 2-temperature inductor; 3-outlet; 4-metal hose; 5-protective casing; 6-hard metal pipe; 7-electrode pushes tract; 8-temperature inductor cable; 9-wire drawing; 10-adjusting knob; 11-sleeve rotating assembly; 12-hands handle; 13-fixed handle portion; 14-movable hand shank; 15-pushes sheet; The built-in portion of 151-; The external portion of 152-; 16-cable connector; 17-water filling joint; 18-pushes auxiliary section; 19-card-tight part; 20-graduation indication line; 21-slideway; 22-push chamber
Detailed description of the invention
As shown in Figures 1 and 2, the present invention mainly comprises handle 12, sleeve rotating assembly 11, sleeve pipe, electrode propelling movement assembly, casing buckling adjusting part, adapter assembly and temperature measurement component, and wherein, sleeve pipe, sleeve rotating assembly 11 dock successively with handle 12.
Wherein, the front end of handle 12 is fastened on the end of sleeve rotating assembly 11, the outside wall surface of sleeve rotating assembly is coated with nonskid coating or forms slip-resistant texture after coarse process.
The end of sleeve pipe is embedded on the front end face of sleeve rotating assembly 11, when clockwise or when rotating counterclockwise sleeve rotating assembly, coupled sleeve pipe is along with the equidirectional rotation of sleeve rotating assembly.Sleeve pipe comprises the hard metal pipe 6 and metal hose 4 that connect and the protective casing 5 be set in outside hard metal pipe 6 and metal hose 4.
In the present embodiment, electrode 1 is soft needle electrode, and electrode 1 is arranged on handle 12, sleeve rotating assembly 11 with sleeve pipe.Wherein, soft needle electrode is made up of metal electrode flexible pipe and the penetrating electrodes head that is arranged on its front end.Concentric is provided with and the electrode carrying out displacement for electrode connected pushes tract 7 in hard metal pipe 6, metal hose 4 and handle 12.
In handle 12, be provided with adapter assembly, adapter assembly comprises the cable connector 16 be connected with temperature measurement component with electrode 1, the water filling joint 17 be communicated with the outlet 3 being opened in electrode 1 front end face and for pushing with electrode the propelling movement auxiliary section 18 that assembly matches.Wherein, cable connector is all arrange in vertical mode with pushing auxiliary section, and the position of the two is mutually corresponding, and water filling joint is horizontally installed on cable connector and pushes between auxiliary section.
In addition, the rear end face of handle 12 also offers the through hole corresponding with water filling joint, so that be connected with the water delivery device of outside.
Be provided with the slideway 21 carrying out displacement for adapter assembly therein in the inside of handle 12, be provided with at the top surface of handle 12 and be convenient to check electrode 1 outreach graduation indication line 20.
Temperature measurement component is made up of multiple temperature inductor 2 and coupled temperature inductor cable 8, and the end of temperature inductor cable 8 is connected with cable connector 16, and temperature inductor 2 is arranged on the front end of electrode 1 and the front end of metal hose 4.
Casing buckling adjusting part for controlling the angle of bend of sleeve pipe, in the present embodiment, the major control of casing buckling adjusting part be the angle of bend of metal hose.
In the present embodiment, casing buckling adjusting part comprises adjusting knob 10 and forms with the wire drawing 9 be wrapped in its outside wall surface.Be assemblied in the inside of sleeve rotating assembly 11 at adjusting knob 10 by movable connection method, be embedded in the bottom of adjusting knob 10 in the part of sleeve rotating assembly 11 inside and be also provided with spin bath.The front end of wire drawing 9 is connected with the front end of metal hose 4, and end is then wrapped in the inside of spin bath.
When metal hose is set as bending structure by needs, strains wire drawing 9 by rotating adjusting knob 10, becoming case of bending to order about metal hose 4 from level, to form the angle of bend of 0 ° ~ 90 °.
Electrode pushes assembly and is used for control electrode by stretching out in sleeve pipe or being recycled in sleeve pipe.In the present embodiment, electrode pushes assembly and comprises and push handle and coupled have elastic propelling movement sheet 15.Push handle to be made up of with movable hand shank 14 fixed handle portion 13, movable hand shank 14 is connected with the top in fixed handle portion 13.Wherein, fixed handle portion 15 is connected with the bottom of handle 12, fixed handle portion 15 can also be set to integral structure with handle 12.
The end pushing sheet 15 is connected with movable hand shank 12, and its top and contact are in the rear end pushing auxiliary section 18.Wherein, pushing sheet is bending structure, and its top is divided into vertical stratification, and the outside wall surface contact of this vertical stratification is in the rear end pushing auxiliary section 18, and its underpart is incline structure, and this incline structure is connected with movable hand shank.
In addition, be equipped with that cooperatively interact, for positioning the position of electrode 1 card-tight part 19 in fixed handle portion 13 with the corresponding side of movable hand shank 14, the relative wall of two card-tight parts is provided with multiple buckle.Electrode can be made to remain on a certain resting state by buckle.
When needs by electrode by sleeve pipe in stretch out time, to hold with a firm grip movable hand shank and fixed handle portion, and tight movable hand shank is moved to the position in fixed handle portion, movable hand shank drives and pushes sheet in moving process, the propelling movement auxiliary section pushed in sheet drive sub assembly is forwards moved position, stretches out by sleeve pipe to enable electrode.Adapter assembly is when forwards position is moved, can the control electrode distance of stretching out by cable connector and graduation indication line.After electrode reaches required separation distance, by two card-tight parts, its position is locked.
When metal hose becomes case of bending under the ordering about of casing buckling assembly, because electrode is the soft pin of electrode, therefore, electrode, through the metal hose in case of bending, can become case of bending automatically; If now rotating casing rotary components, then forniciform electrode also can rotate together under the rotation of sleeve pipe, over the course for the treatment of, can locate and angular adjustment according to the demand implementation space of the position of piercing through different tumor in path, make electrode tip arrive tumor target region.
As shown in Figure 3 to Figure 4, the present invention mainly comprises handle 12, sleeve rotating assembly 11, sleeve pipe, electrode propelling movement assembly, casing buckling adjusting part, adapter assembly and temperature measurement component, and wherein, sleeve pipe, sleeve rotating assembly 11 dock successively with handle 12.
Wherein, the front end of handle 12 is fastened on the end of sleeve rotating assembly 11, the outside wall surface of sleeve rotating assembly is coated with nonskid coating or forms slip-resistant texture after coarse process.
The end of sleeve pipe is embedded on the front end face of sleeve rotating assembly 11, when clockwise or when rotating counterclockwise sleeve rotating assembly, coupled sleeve pipe with along with the equidirectional rotation of sleeve rotating assembly.Sleeve pipe comprises the hard metal pipe 6 and metal hose 4 that connect and the protective casing 5 be set in outside hard metal pipe 6 and metal hose 4.
In the present embodiment, electrode 1 is soft needle electrode.Electrode 1 is arranged on handle 12, sleeve rotating assembly 11 with sleeve pipe.Wherein, in hard metal pipe 6 with metal hose 4, be provided with concentric and the electrode carrying out displacement for electrode connected pushes tract 7, in handle 12, be also provided with the push chamber 22 pushing tract 7 with electrode and connect.
In handle 12, be provided with adapter assembly, adapter assembly comprises the cable connector 16 be connected with temperature measurement component with electrode 1, the water filling joint 17 be communicated with the outlet 3 being opened in electrode 1 front end face and for pushing with electrode the propelling movement auxiliary section 18 that assembly matches.
Wherein, the top being arranged on handle of cable connector, and be connected with the metal level covered on the internal face of push chamber, electrode is connected with cable connector by metal level with temperature measurement component.
Water filling joint 17 is in vertical configuration structure, and its bottom is connected with the inside of electrode, and its top extends upwardly to the outside of handle by push chamber.
Pushing auxiliary section 18 is the distal end faces of electrode.
Also be provided with in the upper end pushing chamber the slideway 21 carrying out displacement for adapter assembly, be provided with at the top surface of handle 12 and be convenient to check electrode 1 outreach graduation indication line 20.
Temperature measurement component is made up of multiple temperature inductor 2 and coupled temperature inductor cable 8, and the end of temperature inductor cable 8 is connected with cable connector 16, and temperature inductor 2 is arranged on the front end of electrode 1 and the front end of metal hose 4.
Casing buckling adjusting part for controlling the angle of bend of sleeve pipe, in the present embodiment, the major control of casing buckling adjusting part be the angle of bend of metal hose.
Casing buckling adjusting part comprises regulating handle and coupled wire drawing 9, and regulating handle is made up of with movable hand shank 14 fixed handle portion 13, and movable hand shank 14 is connected with the top in fixed handle portion 13.Wherein, fixed handle portion 15 is connected with the bottom of handle 12, fixed handle portion 15 can also be set to integral structure with handle 12.
The end of wire drawing 9 is connected with movable hand shank portion 14, and the other end is then connected with the front end of metal hose 4, and wire drawing 9, under the drive of regulating handle, becomes case of bending to order about metal hose 4 from level, to form the angle of bend of 0 ° ~ 90 °.
In addition, be equipped with that cooperatively interact, for positioning the state of metal hose 4 card-tight part 19 in fixed handle portion 13 with the corresponding side of movable hand shank 14, the relative wall of two card-tight parts is provided with multiple buckle.Electrode can be made to remain on a certain resting state by buckle.
Electrode pushes assembly and is used for control electrode by stretching out in sleeve pipe or being recycled in sleeve pipe.
In the present embodiment, electrode pushes assembly for pushing sheet 15, and the entirety pushing sheet 15 is trigger-like structure.
Push sheet 15 to be made up of the two parts be connected, Part I is establish the built-in portion 151 contacted with propelling movement auxiliary section in the handle, and Part II is be arranged on outside handle, for applying the external portion 152 of external force to built-in portion.Wherein, an end face matched with propelling movement auxiliary section is formed with in the upper part in built-in portion.External portion after imposing external force to built-in portion, thus orders about electrode and stretches out by sleeve pipe.
When metal hose becomes case of bending under the ordering about of casing buckling assembly, because electrode is the soft pin of electrode, therefore, electrode, through the metal hose in case of bending, can become case of bending automatically; If now rotating casing rotary components, then forniciform electrode also can rotate together under the rotation of sleeve pipe, over the course for the treatment of, can locate and angular adjustment according to the demand implementation space of the position of piercing through different tumor in path, make electrode tip arrive tumor target region.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. the radio-frequency ablation electrode that can regulate the direction of electrode tip, comprise the handle (12) docked successively, sleeve rotating assembly (11) and sleeve pipe, and be arranged on described handle (12), described sleeve rotating assembly (11) and the electrode (1) in described sleeve pipe, described sleeve rotating assembly (11) controls described sleeve pipe and rotates, it is characterized in that, also comprise for controlling described electrode (1) by stretching out in described sleeve pipe or being recycled to the electrode propelling movement assembly in described sleeve pipe, with the casing buckling adjusting part for controlling described casing buckling angle,
Described electrode (1) is soft needle electrode, and described electrode pushes assembly and controls described electrode (1) and extend out to described outside of sleeve along the bending direction of described sleeve pipe.
2. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 1; it is characterized in that; the end of described sleeve pipe is embedded on the front end face of described sleeve rotating assembly (11), and described sleeve pipe comprises the hard metal pipe (6) and metal hose (4) and the protective casing (5) being set in described hard metal pipe (6) and described metal hose (4) outside that connect.
3. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 2, it is characterized in that, in described handle (12), be provided with adapter assembly, described adapter assembly comprises the cable connector (16) be connected with temperature measurement component with described electrode (1), the water filling joint (17) be communicated with the outlet (3) being opened in described electrode (1) front end face and for pushing with described electrode the propelling movement auxiliary section (18) that assembly matches.
4. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 3, is characterized in that, is provided with in the inside of described handle (12) slideway carrying out displacement for described adapter assembly therein;
Be provided with at the top surface of described handle (12) and be convenient to check described electrode (1) outreach graduation indication line (20).
5. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 4, it is characterized in that, described temperature measurement component is made up of multiple temperature inductor (2) and coupled temperature inductor cable (8), the end of described temperature inductor cable (8) is connected with described cable connector (16), and described temperature inductor (2) is arranged on the front end of described electrode (1) and/or the front end of described metal hose (4).
6. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 5, it is characterized in that, described casing buckling adjusting part comprises adjusting knob (10) and forms with the wire drawing (9) be wrapped in its outside wall surface, the bottom of described adjusting knob (10) is assemblied in the inside of described sleeve rotating assembly (11), the other end of described wire drawing (9) is connected with the front end of described metal hose (4), described wire drawing (9) is strained by rotating described adjusting knob (10), case of bending is become from level to order about described metal hose (4).
7. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 6, it is characterized in that, described electrode pushes assembly and comprises and push handle and coupled have elastic propelling movement sheet (15), described propelling movement handle is made up of fixed handle portion (13) and movable hand shank (14), the end of described propelling movement sheet (15) is connected with described movable hand shank (12), and its top contact is in the rear end of described propelling movement auxiliary section (18);
That cooperatively interact, for positioning the position of described electrode (1) card-tight part (19) is equipped with in described fixed handle portion (13) and the corresponding side of described movable hand shank (14).
8. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 5, it is characterized in that, described casing buckling adjusting part comprises regulating handle, and coupled wire drawing (9), described regulating handle is made up of fixed handle portion (13) and movable hand shank (14), described fixed handle portion (13) is connected with described handle (12), the end of described wire drawing (9) is connected with described movable hand shank portion (14), the other end is then connected with the front end of described metal hose (4), described wire drawing (9) is under the drive of described regulating handle, case of bending is become from level to order about described metal hose (4).
9. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 8, it is characterized in that, being equipped with that cooperatively interact, for positioning the state of described metal hose (4) card-tight part (19) in described fixed handle portion (13) and the corresponding side of described movable hand shank (14).
10. the radio-frequency ablation electrode that can regulate the direction of electrode tip according to claim 8 or claim 9, is characterized in that, described electrode pushes assembly for pushing sheet (15), and described propelling movement sheet (15) is trigger-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213678.2A CN104783896A (en) | 2015-04-30 | 2015-04-30 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213678.2A CN104783896A (en) | 2015-04-30 | 2015-04-30 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
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| CN104783896A true CN104783896A (en) | 2015-07-22 |
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| CN201510213678.2A Pending CN104783896A (en) | 2015-04-30 | 2015-04-30 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
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| CN105852962A (en) * | 2016-04-29 | 2016-08-17 | 廖申扬 | Ablation catheter capable of precisely adjusting tubular tissue |
| CN106839124A (en) * | 2017-03-30 | 2017-06-13 | 谢红卫 | The unidirectional new blower fan of plasma electrostatic depuration and operation method |
| CN110115626A (en) * | 2019-05-22 | 2019-08-13 | 杨荣利 | Adjustable type double temperature sensor water injection type ablation needle |
| CN110731815A (en) * | 2019-10-30 | 2020-01-31 | 杭州市第三人民医院 | A vaporizing resectoscope for urinary system |
| CN112220556A (en) * | 2020-12-14 | 2021-01-15 | 上海微创电生理医疗科技股份有限公司 | Medical catheter and medical equipment |
| CN113367789A (en) * | 2021-07-16 | 2021-09-10 | 成都安捷畅医疗科技有限公司 | Bending adjustable cryoprobe |
| CN114569238A (en) * | 2022-02-28 | 2022-06-03 | 浙江融仕医疗科技有限公司 | Radio frequency ablation electrode with controllable bending |
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Application publication date: 20150722 |