CN106691585B - Radio frequency ablation electrode device - Google Patents
Radio frequency ablation electrode device Download PDFInfo
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- CN106691585B CN106691585B CN201611209855.0A CN201611209855A CN106691585B CN 106691585 B CN106691585 B CN 106691585B CN 201611209855 A CN201611209855 A CN 201611209855A CN 106691585 B CN106691585 B CN 106691585B
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- seal wire
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- radio frequency
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
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- A61B2018/00589—Coagulation
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
- A61B2018/00821—Temperature measured by a thermocouple
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00964—Features of probes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1465—Deformable electrodes
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
Abstract
The present invention provides a kind of radio frequency ablation electrode device, including handle, it is equipped at least one slip collar on described handle one end and the casing, the target seal wire that connect with the handle, the target seal wire, is at least connected with 1 electrode seal wire on each slip collar；The distal end of the target seal wire is connect with the distal end of the electrode seal wire opposite handle；Described sleeve pipe is sheathed on the target seal wire of part, by push-and-pull casing or push-and-pull target seal wire, each slip collar can be enable to slide along the target seal wire axial direction, to change the location and shape of the electrode seal wire.So that the electrode seal wire can adapt to different cavities, enter diseased region convenient for the electrode seal wire, and adjust the region of RF ablation according to tumor size and cavity environment, improves surgical effect.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of radio frequency ablation electrode device.
Background technique
A bad major reason of prognosis in hcc is many patient's tumor invading portal veins and forms portal vein tumor thrombus.Door
Venous cancerous embolus once being formed, has not only blocked the reflux of enteron aisle blood, aggravates portal hypertension, leads to hemorrhage of digestive tract, ascites
It is formed, influences the acquisition of liver nutrition, and also result in sending out for tumour in liver, it has been demonstrated that, liver cancer invasion transfer is latent
It can not be that cancer of late stage institute is exclusive, and liver cancer when young not may occur in which blood vessel cancer embolus yet, early stage relapse and metastasis after causing operation to cut off.
Currently, the common method for the treatment of of existing vena portae hepatica cancer embolus mainly includes the intubation perfusion of percutaneous puncture vena portae hepatica
Chemotherapy and seeds implantation, wherein both combine and formation portal vein tumor thrombus seeds implantation method
Respective curative effect can mutually be enhanced, reach better therapeutic purposes, but existing portal vein tumor thrombus seeds implantation
It is big with bleeding risk, need to repeatedly be implanted into, can not be taken out after seeds implanted, particle is present in portal vein and easily forms thrombus etc. and lack
Point.
Summary of the invention
Based on this, the radio-frequency ablation electrode that the object of the present invention is to provide a kind of for treating liver cancer and portal vein cancer is filled
It sets, can adapt to different cavities, human body can be entered by skin or femoral artery, and small to human body wound, so that on the day of patient just
It can leave hospital.
The purpose of the present invention is what is realized by technical solution below: a kind of radio frequency ablation electrode device, including hand
Handle further comprises being set to the centre set on described handle one end and the casing, the target seal wire that connect with the handle
At least one slip collar on electrode seal wire is at least connected with 1 electrode seal wire on each slip collar；The centre
The distal end of electrode seal wire opposite handle is connect with the distal end of the electrode seal wire opposite handle；Described sleeve pipe is sheathed on described in part
On target seal wire, by push-and-pull described sleeve pipe or the push-and-pull target seal wire, to enable the slip collar
It is slided along the target seal wire axial direction, to change the location and shape of the electrode seal wire.It is thus of the invention
Radio frequency ablation electrode device can adapt to different cavity environment, facilitate access for diseased region, and can according to tumor size and
Cavity environment adjusts the region of RF ablation, improves surgical effect.
In the preferred embodiment of the present invention, when being provided only with 1 electrode seal wire, the target seal wire and the electricity
The connection type of pole seal wire is one of the forming, and the junction of the target seal wire and the electrode seal wire is gooseneck shape knot
Structure.By pushing and pulling the target seal wire, the adjustable RF ablation range of one side, on the other hand in RF ablation device
Into during body cavities, direction can be adjusted into according to the camber of body cavities.
Further, in the preferred embodiment of the present invention, the target seal wire is equipped with relative to the distal end of handle and fixes
Portion, the fixed part are fixedly connected with the electrode seal wire relative to the distal end of handle, and the fixed part is equipped with end, described
End is equipped with centre bore, and the centre bore runs through the target seal wire.When the quantity of electrode seal wire is at 2 or more
When, the fixed part is used to constrain and fix the distal end of electrode seal wire.
Further, in order to guarantee the durabilities of frequency ablation electrode assemblies of the present invention, in the present invention, the fixed part and institute
The connection type of electrode seal wire is stated as welding.
Further, in the preferred embodiment of the present invention, the slip collar further includes arc sections and sliding part, the circular arc
Portion includes inner concave and arcuate surface, and the sliding part is set to the middle part of inner concave, and the cross sectional shape of the sliding part is " T " font
Structure or trapezium structure；The target seal wire is equipped with sliding slot, and the cross sectional shape of the sliding slot is " T " font structure or ladder
Shape structure；The slip collar is arranged in the sliding slot by the sliding part, and is slided in the sliding slot.The sliding
Portion is slided along the sliding slot, is avoided the electrode seal wire and is radially distorted during changing shape, cannot be good
The problem of strutting.
Further, in the preferred embodiment of the present invention, the slip collar and the electrode seal wire are relative to the handle
Proximal end connection, the slip collar and the electrode seal wire are welding relative to the proximal end connection type of the handle.
Further, in the preferred embodiment of the present invention, it is in array manner that the end face of the slip collar, which is equipped at least one,
The set annular distance of arrangement, the electrode seal wire passes through the set annular distance relative to the proximal end of the handle, and the electrode seal wire exists
The two sides of the set annular distance are equipped with fixed knot.
Further, in the preferred embodiment of the present invention, the material of the target seal wire and the electrode seal wire is shape
Shape memory alloys, the marmem are selected from least one of stainless steel, silver, nickel alloy, titanium alloy or Nitinol.
Further, in the preferred embodiment of the present invention, the handle be equipped with the first tractive unit, first tractive unit with
The target seal wire is connected relative to the proximal end of the handle, for target seal wire described in pull, to change more
The expansion and contraction of the electrode seal wire, and then adjust the ablation range of the RF ablation device.
Further, in the preferred embodiment of the present invention, the second tractive unit, second tractive unit are additionally provided on the handle
It connect with the electrode seal wire for passing through the slip collar relative to the proximal end of the handle, is led for electrode described in pull
Silk, to change the curved shape of the electrode seal wire, adapts to different cavities.
Further, in the preferred embodiment of the present invention, the end is equipped with thermocouple, and the thermocouple for supervising in real time
Survey the temperature in RF ablation region.According to the temperature change in RF ablation region, SAPMAC method can be carried out by the centre bore
Perfusion adjusts the temperature in RF ablation region, enhances RF ablation effect, avoids protein adherence on the electrode seal wire.
Further, in the preferred embodiment of the present invention, the structure of the end is selected from taper, truncated cone-shaped or cylindrical type
One kind.
It compared with the prior art, further comprise being set to the target in radio frequency ablation electrode device of the present invention
Slip collar on seal wire, the slip collar, can be along the targets when pushing and pulling casing or push-and-pull target seal wire
The sliding of seal wire axial direction, thus change the location and shape of the electrode seal wire, thus radio-frequency ablation electrode dress of the invention
It sets and can adapt to different cavity environment, facilitate access for diseased region, and radio frequency is adjusted according to tumor size and cavity environment
Surgical effect is improved in the region of ablation, in addition, the radio frequency ablation electrode device can percutaneously or femoral artery enters human body, to people
Body wound is small, can leave hospital on the day of patient, and few intercurrent disease.
Detailed description of the invention
Fig. 1 is the stereochemical structure signal of the electrode seal wire expansion of radio frequency ablation electrode device in first embodiment of the invention
Figure.
Fig. 2 is the stereochemical structure signal that the electrode seal wire of radio frequency ablation electrode device in first embodiment of the invention collapses
Figure.
Fig. 3 is the partial enlarged view in Fig. 1 at I.
Fig. 4 is the structural schematic diagram of target seal wire in Fig. 1.
Fig. 5 is the structural schematic diagram of slip collar in Fig. 1.
Fig. 6 is the structural schematic diagram of target seal wire in second embodiment of the invention.
Fig. 7 is the structural schematic diagram of slip collar in second embodiment of the invention；
Fig. 8 is the schematic perspective view of radio frequency ablation electrode device in third embodiment of the invention.
Main element symbol description:
| Radio frequency ablation electrode device | 100 | Radio frequency ablation electrode device | 100b |
| Handle | 10 | First tractive unit | 101 |
| Second tractive unit | 102 | Casing | 11 |
| Target seal wire | 12,12a,12b | Fixed part | 121 |
| Sliding slot | 122,122a | End | 123 |
| Centre bore | 124 | Thermocouple | 125 |
| Electrode seal wire | 13,13b | Fixed knot | 131 |
| Slip collar | 14,14a | Arc sections | 141 |
| Inner concave | 1411 | Arcuate surface | 1412 |
| Sliding part | 142,142a | Cover annular distance | 143 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give several embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 and Fig. 2, a kind of radio frequency ablation electrode device 100 provided in an embodiment of the present invention, including handle 10 are please referred to,
Set on described 10 one end of handle and the casing 11, the target seal wire 12 that are connect with the handle 10, symmetrically it is arranged in described
Between 2 slip collars 14 on electrode seal wire 12, be uniformly connected with 4 electrode seal wires 13 on each slip collar 14.
Specifically, 2 slip collars 14 are symmetrically set on the target seal wire 12, each in the present embodiment
4 electrode seal wires 13 are uniformly connected on the slip collar 14, being symmetrical arranged in this way is for the ease of adjusting the electricity
Shape and position between pole seal wire 13 and the target seal wire 12.
It should be understood that in other embodiments, at least one slip collar 14 on the target seal wire 12, often
1 electrode seal wire 12 is at least connected on a slip collar 14.
Fig. 2 and Fig. 4 are please referred to, the target seal wire 12 is cylindrical type, and the end of the target seal wire 12 is set
There is fixed part 121.The cross sectional shape that 2 sliding slots, 122,2 sliding slots 122 are symmetrically arranged on the target seal wire 12 is
" T " font structure, and the center line of the sliding slot 122 intersects with the axis of the target seal wire 12.The fixed part 121
It is equipped with end 123, the end 123 is equipped with centre bore 124, and the centre bore 124 runs through the target seal wire 12.
In the present embodiment, the end 123 is tapered structure.It should be understood that in other embodiments, the end
123 structure one of can be worked as selected from taper, truncated cone-shaped or cylindrical type.
It should be understood that in other embodiments, the number pair of the number of the sliding slot 122 and the slip collar 14
It answers.
Fig. 3 and Fig. 5 are please referred to, the slip collar 14 includes arc sections 141, and the cunning in the arc sections 141
Dynamic portion 142, the arc sections 141 include inner concave 1411 and arcuate surface 1412, and the sliding part 142 is set to the inner concave
1411 middle part, the cross sectional shape of the sliding part 142 are " T " font structure, the center line and the circle of the sliding part 142
The axis of arc portion 141 intersects, and the end face of the arc sections 141 is equipped with 4 set annular distances 143 in array manner arrangement.It is each
The slip collar 14 is arranged in a sliding slot 122 of the target seal wire 12 by the sliding part 142, and
It is slided in the corresponding sliding slot 122.
It should be understood that in other embodiments, at least provided with 1 set annular distance 143 in the arc sections 141.
One end of 8 electrode seal wires 13 is installed on the fixed part 121, and the other end passes through the set annular distance 143
And connect with the handle 10, the every electrode seal wire 13 is equipped with fixed knot 131 in the two sides of the set annular distance 143, described
The slip collar 14 is fixed on the electrode seal wire 13 by fixed knot 131, prevents the slip collar 14 in the electrode
It is slided on seal wire 13.
The material that the target seal wire 12, the electrode seal wire 13 all use is marmem, specifically, choosing
From at least one of stainless steel, silver, nickel alloy, titanium alloy or Nitinol, so that the target seal wire 12, the electricity
Pole seal wire 13 has certain hardness and flexibility, is convenient for adjustable shape and direction of advance, to adapt to the thin-walleds such as vena hepatica blood vessel field
It closes.
Described sleeve pipe 11 is hollow structure, convenient for accommodating the target seal wire 12 and the electrode seal wire 13.It is described
The internal diameter of casing 11 is not less than the radius of the slip collar 14, slides in described sleeve pipe 11 convenient for the slip collar 14.
The handle is equipped with the first tractive unit 101, and first tractive unit 101 is opposite with the target seal wire 12
It is connected in the proximal end of the handle 10, for target seal wire 12 described in pull, to change the more electrode seal wires 13
Expansion and contraction, and then adjust the ablation range of the RF ablation device 100.
Also be symmetrically arranged with 2 the second tractive units 102 on the handle 10, second tractive unit 102 with pass through the cunning
The electrode seal wire 13 of dynamic lantern ring 14 is connected relative to the proximal end of the handle 10, is used for electrode seal wire 13 described in pull, with
The curved shape for changing the electrode seal wire 13, adapts to different cavities, enters diseased region convenient for the electrode seal wire 13, and
The region of RF ablation is adjusted according to tumor size and cavity environment, improves surgical effect.
The end 123 is equipped with thermocouple 125, and the thermocouple 125 is used for the temperature in real-time monitoring RF ablation region
Degree, while SAPMAC method perfusion is carried out by the centre bore 124, adjust the temperature in RF ablation region, enhancing RF ablation effect
Fruit avoids protein adherence on the electrode seal wire 13.
In the above embodiment of the present invention, the corresponding cunning is adjusted by adjusting one of them described second tractive unit 102
The shape of 4 electrode seal wires 13 in lantern ring 14 is moved to adapt to different cavities, or adjusts 2 first tractions simultaneously
Portion 102 adapts to different cavities to adjust the shape of 8 electrode seal wires 13, when second traction of push 2 simultaneously
Portion 102 and first tractive unit 101 push the every electrode seal wire 13 and described sleeve pipe 11, the every electricity simultaneously
Pole seal wire 13 is contracted in described sleeve pipe 11, when drawing the every electrode seal wire 13 of pumping and pushing described sleeve pipe 11, described in 8
When electrode seal wire 13 is in unfolded state, 8 electrode seal wires 13 form " lantern " shape structure.
To sum up, since the radio frequency ablation electrode device 100 is equipped with multiple slip collars 14, each sliding sleeve
At least 1 electrode seal wire 13, each corresponding second tractive unit of the slip collar 14 are equipped on ring 14
102, and the more electrode seal wires 13 on each slip collar 14 can be adjusted by first tractive unit 102
Shape and position enter disease so that the electrode seal wire 13 can adapt to different cavities convenient for the electrode seal wire 13
Become position, and adjust the region of RF ablation according to tumor size and cavity environment, surgical effect is improved, in addition, described penetrate
Frequency ablation electrode assemblies 100 can enter human body by skin or femoral artery, small to human body wound, can leave hospital on the day of patient, and
Few intercurrent disease.
Referring to Fig. 6, for a kind of target seal wire 12a that second embodiment of the invention provides, described in the present embodiment
Target seal wire 12a and target seal wire described in first embodiment 12 are more or less the same, the difference is that, the centre
The cross sectional shape of the sliding slot 122a in electrode seal wire 12a is isosceles trapezoid.
Referring to Fig. 7, being slided described in the present embodiment for a kind of slip collar 14a that second embodiment of the invention provides
Lantern ring 14a and slip collar 14 described in first embodiment are more or less the same, the difference is that, in the slip collar 14a
The cross sectional shape of the sliding part 142a is isosceles trapezoid, is set to the target seal wire 12a convenient for the slip collar 14a
In.
Referring to Fig. 8, for a kind of radio frequency ablation electrode device 100b that third embodiment of the invention provides, in the present embodiment
Radio frequency ablation electrode device 100 is on the whole in the radio frequency ablation electrode device 100b and first embodiment
It is identical, the difference is that, in the present embodiment, an electricity is equipped in the radio frequency ablation electrode device 100b
Pole seal wire 13b, the electrode seal wire 13b and the connection type of the target seal wire 12b are one of the forming, and the electrode is led
The junction of the silk 13b and target seal wire 12b is gooseneck shape structure.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of radio frequency ablation electrode device, including handle, set on described handle one end and connect with the handle casing, in
Between electrode seal wire, it is characterised in that:
The radio frequency ablation electrode device further comprises at least one slip collar on the target seal wire, often
1 electrode seal wire is at least connected on a slip collar；
The distal end of the target seal wire opposite handle is connect with the distal end of the electrode seal wire opposite handle, the intermediate electricity
The surface of pole seal wire is equipped with sliding slot, and the cross sectional shape of the sliding slot is " T " font structure or isosceles trapezoidal structure, so that the cunning
The symmetrical center line in the section of slot intersects with the axis of the target seal wire, and the section of the sliding slot is along the intermediate electricity
The section that the radial direction of pole seal wire is formed；
The slip collar further includes arc sections and sliding part, and the arc sections include inner concave and arcuate surface, the sliding part
Set on the middle part of inner concave, the slip collar is arranged in the sliding slot by the sliding part, and sliding in the sliding slot
It is dynamic；
Described sleeve pipe is sheathed on the target seal wire of part, is led by push-and-pull described sleeve pipe or the push-and-pull target
Silk, to enable the slip collar to slide along the target seal wire axial direction, to change the electrode seal wire
Location and shape.
2. radio frequency ablation electrode device according to claim 1, which is characterized in that when being provided only with 1 electrode seal wire
When, the connection type of the target seal wire and the electrode seal wire is one of the forming, the target seal wire with it is described
The junction of electrode seal wire is gooseneck shape structure.
3. radio frequency ablation electrode device according to claim 1, which is characterized in that the target seal wire is relative to hand
The distal end of handle is equipped with fixed part, and the fixed part is fixedly connected with the electrode seal wire relative to the distal end of handle, the fixation
Portion is equipped with end, and the end is equipped with centre bore, and the centre bore runs through the target seal wire.
4. radio frequency ablation electrode device according to claim 3, which is characterized in that the fixed part and the electrode seal wire
Connection type be welding.
5. radio frequency ablation electrode device according to claim 1, which is characterized in that the cross sectional shape of the sliding part is
" T " font structure or trapezium structure.
6. radio frequency ablation electrode device according to claim 5, which is characterized in that the slip collar is led with the electrode
Silk is connected relative to the proximal end of the handle, and the slip collar is connect with the electrode seal wire relative to the proximal end of the handle
Mode is welding.
7. radio frequency ablation electrode device according to claim 5, which is characterized in that the end face of the slip collar is equipped with
At least one is in the set annular distance of array manner arrangement, and the electrode seal wire passes through the set annular distance relative to the proximal end of the handle,
And the electrode seal wire is equipped with fixed knot in the two sides of the set annular distance.
8. radio frequency ablation electrode device according to claim 1, which is characterized in that the target seal wire and the electricity
The material of pole seal wire is marmem, and the marmem is selected from stainless steel, silver, nickel alloy, titanium alloy or NiTi
Alloy is any one or more of.
9. radio frequency ablation electrode device according to claim 1, which is characterized in that the handle is equipped with the first traction
Portion, first tractive unit are connect with the target seal wire relative to the proximal end of the handle, for intermediate described in pull
Electrode seal wire.
10. radio frequency ablation electrode device according to claim 1, which is characterized in that be additionally provided with second on the handle and lead
Drawing portion, second tractive unit is connect with the electrode seal wire for passing through the slip collar relative to the proximal end of the handle,
For electrode seal wire described in pull.
11. radio frequency ablation electrode device according to claim 3, which is characterized in that the end is equipped with thermocouple, described
Thermocouple is used for the temperature in real-time monitoring RF ablation region.
12. radio frequency ablation electrode device according to claim 3, which is characterized in that the structure of the end be selected from taper,
Truncated cone-shaped or cylindrical type one of are worked as.
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| CN201611209855.0A CN106691585B (en) | 2016-12-24 | 2016-12-24 | Radio frequency ablation electrode device |
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| CN201611209855.0A CN106691585B (en) | 2016-12-24 | 2016-12-24 | Radio frequency ablation electrode device |
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| CN106691585B true CN106691585B (en) | 2019-11-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113317867B (en) * | 2021-06-23 | 2023-04-14 | 上海睿刀医疗科技有限公司 | Double-ring electrode catheter and ablation device comprising same |
| CN113729924B (en) * | 2021-09-30 | 2023-10-20 | 上海睿刀医疗科技有限公司 | Electrode catheter and ablation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07507709A (en) * | 1993-04-07 | 1995-08-31 | カーディアック パスウェイズ コーポレイション | Apparatus and method for ventricular mapping and ablation |
| JP3607231B2 (en) * | 2001-09-28 | 2005-01-05 | 有限会社日本エレクテル | High frequency heating balloon catheter |
| CN1264482C (en) * | 2003-03-28 | 2006-07-19 | 佐竹修太郎 | RF hot air bag guide tube |
| WO2004087249A2 (en) * | 2003-03-28 | 2004-10-14 | C.R. Bard, Inc. | Braided mesh catheter |
| CN201223445Y (en) * | 2008-06-23 | 2009-04-22 | 北京有色金属研究总院 | Radio frequency ablation catheter |
| AU2011329669B2 (en) * | 2010-11-19 | 2016-07-28 | Boston Scientific Scimed, Inc. | Renal nerve detection and ablation apparatus and method |
| CN102920506B (en) * | 2012-10-17 | 2015-11-25 | 上海安通医疗科技有限公司 | A kind of multipole umbrella radio frequency ablation catheter |
| CN206867277U (en) * | 2016-12-24 | 2018-01-12 | 迈德医疗科技（上海）有限公司 | Radio frequency ablation electrode device |
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