CN107822708A - A kind of radio frequency ablation needle - Google Patents
A kind of radio frequency ablation needle Download PDFInfo
- Publication number
- CN107822708A CN107822708A CN201711238325.3A CN201711238325A CN107822708A CN 107822708 A CN107822708 A CN 107822708A CN 201711238325 A CN201711238325 A CN 201711238325A CN 107822708 A CN107822708 A CN 107822708A
- Authority
- CN
- China
- Prior art keywords
- needle
- radio frequency
- handle
- needle tubing
- frequency ablation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007674 radiofrequency ablation Methods 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000002679 ablation Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 5
- 239000004917 carbon fiber Substances 0.000 abstract description 5
- 238000002595 magnetic resonance imaging Methods 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 5
- 230000003902 lesion Effects 0.000 description 18
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010019695 Hepatic neoplasm Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/0013—Coatings on the energy applicator non-sticking
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61B2018/1425—Needle
Abstract
The application provides a kind of radio frequency ablation needle, including handle and the needle body that is installed on the handle, the needle body include needle point and needle tubing, the head connection needle point of the needle tubing, and the afterbody of the needle tubing connects RF cable；Wherein, the rapidoprint of the needle point and needle tubing is carbon fibre material.Needle point and needle tubing are used as rapidoprint using carbon fibre material in radio frequency ablation needle in the present embodiment, and using the high conductivity of carbon fiber and nonmagnetic, guarantee radio frequency ablation needle will not be disturbed during magnetic resonance imaging by metal artifacts.
Description
Technical field
The application is related to field of medical technology, more particularly to a kind of radio frequency ablation needle.
Background technology
Tumour, such as death rate highest liver tumour can be treated using RF ablation mode in the medical field.Penetrate
Frequently the principle of ablation is：Ablation needle insertion lesions position is formed into a current loop, control ablation needle output energy, makes focus
Tissue vibration heating.After lesion tissue temperature reaches 3-4 minutes more than 60 DEG C, irreversible necrosis can occur for lesion tissue,
So as to reach ablation purpose.
In order to accurately be melted to lesion tissue, magnetic resonance equipment scanning lesion tissue can be used to obtain magnetic resonance figure
Picture, to adjust the output energy of ablation needle based on MRI, so as to carry out precision ablation to lesion tissue.
But the material of existing radio frequency ablation needle is mostly metal material, so its magnetic is larger, does not apply to and set in magnetic resonance
It is standby to use.
The content of the invention
In consideration of it, the application provides a kind of radio frequency ablation needle, the magnetic of ablation needle can be reduced, so as in magnetic resonance equipment
Middle use.
In order to solve the above problems, this application provides following technical characteristic：
A kind of radio frequency ablation needle, including handle and the needle body that is installed on the handle, the needle body include needle point and pin
Pipe, the head connection needle point of the needle tubing, the afterbody connection RF cable of the needle tubing；
Wherein, the rapidoprint of the needle point and needle tubing is carbon fibre material.
Optionally, the handle includes hand handle, connection member and handle body, the metal joint inside the handle body and the pin
Pipe tail end is connected, and the handle, as hollow structure, the hand handle is fixed on one end of the connection member, the connection member
The other end can stretch in the handle body.
Optionally, the metal joint of the handle inner is fixed with the needle tubing using the nonmagnetic electric glue of silver of leading.
Optionally, in addition to the sleeve pipe that is sheathed on outside the needle tubing, the afterbody of described sleeve pipe connect with the connection member
Connect, and the hand handle can drive described sleeve pipe to be moved axially along the needle tubing by connection member.
Optionally, the ablation needle outer surface is provided with teflon coatings, and its wall thickness is 0.4mm.
Optionally, the outer surface of the connection member of the handle is provided with graduation mark, and the outer surface of described sleeve pipe is provided with scale
Line.
Optionally, the graduation mark of the connection member outer surface is since the handle body and the point of interface of connection member, and
It is gradually increased to the hand handle cut-off；And it is length of needlepoint to start scale；
The graduation mark of described sleeve pipe outer surface is gradually increased to default scale since close to needle point one end.
Optionally, the needle tubing is hollow, and as water injection pipe, the needle tubing head offers to be connected with water injection pipe for hollow part
Delivery port, the opening that the needle tubing afterbody connects with water injection pipe is water inlet.
Optionally, a diameter of 1mm of the water injection pipe of the needle tubing, delivery port 10mm at needle point, delivery port are diameter
1mm。
Optionally, the needle tubing length is 15cm, and needle point is shaped as more inclined plane shapes.
Pass through above technological means, it is possible to achieve following beneficial effect：
The application provides a kind of radio frequency ablation needle, including handle and the needle body being installed on the handle, the needle body bag
Include needle point and needle tubing, the head connection needle point of the needle tubing, the afterbody connection RF cable of the needle tubing；Wherein, the needle point
Rapidoprint with needle tubing is carbon fibre material.Needle point and needle tubing are made using carbon fibre material in radio frequency ablation needle in the present embodiment
For rapidoprint, using the high conductivity of carbon fiber and nonmagnetic, ensure that radio frequency ablation needle will not during magnetic resonance imaging
Disturbed by metal artifacts.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of application, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of radio frequency ablation needle schematic diagram that the embodiment of the present application provides；
Fig. 2 is the radio frequency ablation needle schematic diagram that the embodiment of the present application provides；
Fig. 3 is the schematic diagram that the radio frequency ablation needle that the embodiment of the present application provides inserts lesion tissue；
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the application protection.
Referring to Fig. 1, this application provides a kind of radio frequency ablation needle, radio frequency ablation needle includes：Handle 100 and it is installed on described
The needle body 200 on handle 100, the needle body 200 include needle point 201 and needle tubing 202, the head connection needle point of the needle tubing 202
201, the afterbody connection RF cable of the needle tubing 202, wherein, the rapidoprint of the needle point 201 and needle tubing 202 is carbon fiber
Material.
In the present embodiment, the shape of needle point can be more inclined plane shapes, can also be certainly other shapes, not limit again
It is fixed.
Needle point and needle tubing use carbon fibre material to utilize carbon fiber as rapidoprint in radio frequency ablation needle in the present embodiment
High conductivity and nonmagnetic, ensure that ablation needle will not be disturbed during magnetic resonance imaging by metal artifacts.
Further, the handle of radio frequency ablation needle includes hand handle 101, connection member 102 and handle body 103, the handle body 103
Internal metal joint 104 is connected with the needle tubing tail end, and the metal joint of the handle inner is used without magnetic with the needle tubing
Property lead the electric glue of silver and fix, link position is indicated using label 105.
The metal joint 104 of handle 100 can be copper sheet, and copper sheet can be fixedly linked with needle tubing 202.In order to increase conduction
Property and fix needle tubing, be bonded in conducting resinl junction using medical conductive silver glue.The copper sheet other end is connected simultaneously with RF cable
Stretch out outside handle, to be connected with special radio frequency generator.
The handle body 103 is hollow structure, and the hand handle 101 is fixed on one end of the connection member 102, the connection
The part other end can stretch in the handle body 103.
Further, radio frequency ablation needle also includes being sheathed on the sleeve pipe 203 outside the needle tubing 202, described sleeve pipe 203
Afterbody is connected with connection member 102 described in handle 100, and, the hand handle 101 can drive described sleeve pipe by connection member 102
203 move axially along the needle tubing 202.It is the diagram after sleeve pipe 203 moves axially along needle tubing 202 referring to Fig. 2.
Wherein, the outer surface of sleeve pipe 203 is provided with teflon coatings, and the wall thickness of sleeve pipe can be 0.4mm.
It is understood that during sleeve pipe moves axially along needle tubing 202, thus it is possible to vary the exposed part of needle tubing 202
Length.That is, when sleeve pipe 203 moves to needle tubing afterbody, needle tubing head, which can expose, to be come, exposed part increase；In sleeve pipe 203
When being moved to needle tubing head, needle tubing head exposed part is reduced.
It is understood that conductor cable can cause the exposed part production of the needle point 201 and needle tubing of the needle body 200 after being powered
Heat energy, the needle tubing 202 that sleeve 203 is wrapped up can not outwards distribute heat, and only lesion tissue is melted with this.
It is not of uniform size due to lesion tissue, need needle tubing 202 that there is longer exposed part, pin for larger lesion tissue
To needing 202 shorter exposed part of needle tubing compared with small lesion tissue, therefore, hand handle 101 can be driven based on lesion tissue size,
The drive of hand handle 101 connection member 102, drive sleeve pipe on needle tubing 202 by way of movement by connection member 102 again, to change
Become the length of the exposed part of needle tubing 202.
In clinical practice, the needle body 200 is used to insert human body, and needle point 201 and the exposed part of needle tubing 202 are used to insert focus
Tissue, needle tubing tail end connection RF cable.RF cable is used to produce radio-frequency current by needle tubing 202, so that the pin of the needle body 200
The exposed part of point 201 and needle tubing 202 produces heat energy, so as to be melted to lesion tissue.
Understand ablation needle insertion depth for the ease of medical personnel, it is existing that two kinds of colors are generally carved with ablation needle needle tubing
Alternate scale, each color length are 1cm, understand insertion depth will pass through scale.But needle tubing 202 in the present embodiment
Rapidoprint be changed to carbon fibre material after, due to material problem itself, can not again add on needle tubing surface and graduate.
Therefore, graduation mark is provided with the present embodiment in the outer surface of the connection member 102 of handle 100, outside described sleeve pipe
Surface is provided with graduation mark.
Graduation mark based on connection member, depth (the i.e. length of needle point 201 for having a clear understanding of insertion lesion tissue can make it that
The length of degree and the exposed part of needle tubing 202).
The present embodiment is carved with scale in the connection member 102 of handle 100, in the case of optional, connection member described in scale
The graduation mark of outer surface is gradually increased to the hand handle cut-off since the handle body and the point of interface of connection member；And open
Beginning scale is length of needlepoint.
Because needle point is exposed on the outside of needle tubing, so start index should add needle point scale.Assuming that needle point is grown
Spend for 0.5cm, then the start index in connection member is 0.5cm, by length of needlepoint addition wherein.
Referring to Fig. 1, Fig. 2, for a kind of schematic diagram of connection member graduation mark, in the case of normal be not used, its graduation mark
It is 0.5cm to represent length of needlepoint；After mobile sleeve pipe 203 changes needle tubing exposed part, a part of graduation mark enters handle body 103
It is interior, so graduation mark shows length 2cm.2cm is depth (the exposed portion of length of needlepoint 0.5cm+ needle tubings for representing insertion lesion tissue
Divide length 1.5cm).
Referring to Fig. 1, Fig. 2, the graduation mark based on the outer surface of sleeve pipe 203 is apparent that jacket insertion depth (i.e. sleeve pipe
Into the depth of human body).The graduation mark of the outer surface of described sleeve pipe 203 is gradually increased to pre- since close to the one end of needle point 201
If scale.So that needle tubing length is 15cm as an example, then 15cm can be gradually increased to.
Sleeve pipe and the scale length of connection member on wherein Fig. 1 and Fig. 2, can according to needle length in actual conditions and
It is fixed, do not limit herein.
Optionally, the scale of needle tubing outer surface can also be two kinds of alternate scales of color, and each color length is 1cm,
Understand insertion depth will pass through scale.
Further, the depth 1 learnt from connection member is superimposed the depth 2 learnt from sleeve pipe 203, can obtain ablation needle
Into the total depth of human body.
It is the schematic diagram that radio frequency ablation needle inserts human body, in order to understand insertion depth referring to Fig. 3.Wherein, d1 is from even
The depth 1 that relay part is learnt, d2 are the depth 2 learnt from sleeve pipe 203, and both are superposed to total depth d, and total depth d disappears for radio frequency
Melt the total depth that pin enters human body.
Lesion tissue is melted for convenience, can include physiology salt to lesion tissue injecting fluid, liquid
Water and absolute ethyl alcohol etc. can increase the medicine of ablation effect.
In order to realize the purpose to lesion tissue injecting fluid, referring to Fig. 1, needle tubing 202 described in the present embodiment is hollow, in
As filling pipe, the head of needle tubing 202 offers the delivery port 204 connected with water injection pipe, the tail of needle tubing 202 at empty position
The opening that portion connects with water injection pipe is water inlet 205.
Optionally, a diameter of 1mm of the filling pipe of the needle tubing 202, the 10mm at needle point of delivery port 204, water outlet
Mouth is diameter 1mm.Certainly, pipe diameter, delivery port position and delivery port diameter, can be finely adjusted according to actual conditions,
Do not limit again.
The application provides a kind of radio frequency ablation needle, including handle and the needle body being installed on the handle, the needle body bag
Include needle point and needle tubing, the head connection needle point of the needle tubing, the afterbody connection RF cable of the needle tubing；Wherein, the needle point
Rapidoprint with needle tubing is carbon fibre material.Needle point and needle tubing are made using carbon fibre material in radio frequency ablation needle in the present embodiment
For rapidoprint, using the high conductivity of carbon fiber and nonmagnetic, ensure that radio frequency ablation needle will not during magnetic resonance imaging
Disturbed by metal artifacts.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the application.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from spirit herein or scope.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of radio frequency ablation needle, it is characterised in that including handle and the needle body being installed on the handle, the needle body includes
Needle point and needle tubing, the head connection needle point of the needle tubing, the afterbody connection RF cable of the needle tubing；
Wherein, the rapidoprint of the needle point and needle tubing is carbon fibre material.
2. radio frequency ablation needle as claimed in claim 1, it is characterised in that the handle includes hand handle, connection member and handle body,
Metal joint inside the handle body is connected with the needle tubing tail end, and the handle is fixed on as hollow structure, the hand handle
One end of the connection member, the connection member other end can stretch in the handle body.
3. radio frequency ablation needle as claimed in claim 2, it is characterised in that the metal joint of the handle inner and the needle tubing
Fixed using the nonmagnetic electric glue of silver of leading.
4. radio frequency ablation needle as claimed in claim 2, it is characterised in that also include being sheathed on the sleeve pipe outside the needle tubing,
The afterbody of described sleeve pipe is connected with the connection member, and the hand handle can drive described sleeve pipe along the pin by connection member
Pipe moves axially.
5. radio frequency ablation needle as claimed in claim 4, it is characterised in that the ablation needle outer surface is provided with teflon coatings,
Its wall thickness is 0.4mm.
6. radio frequency ablation needle as claimed in claim 4, it is characterised in that the outer surface of the connection member of the handle, which is provided with, carves
Line is spent, the outer surface of described sleeve pipe is provided with graduation mark.
7. radio frequency ablation needle as claimed in claim 6, it is characterised in that the graduation mark of the connection member outer surface is from described
Handle body and the point of interface of connection member start, and are gradually increased to the hand handle cut-off；And it is length of needlepoint to start scale；
The graduation mark of described sleeve pipe outer surface is gradually increased to default scale since close to needle point one end.
8. radio frequency ablation needle as claimed in claim 1, it is characterised in that the needle tubing is hollow, hollow part as water injection pipe,
The needle tubing head offers the delivery port connected with water injection pipe, and the opening that the needle tubing afterbody connects with water injection pipe is water inlet
Mouthful.
9. radio frequency ablation needle as claimed in claim 1, it is characterised in that a diameter of 1mm of water injection pipe of the needle tubing, delivery port
The 10mm at needle point, delivery port are diameter 1mm.
10. radio frequency ablation needle as claimed in claim 1, it is characterised in that the needle tubing length is 15cm, and needle point is shaped as
More inclined plane shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238325.3A CN107822708A (en) | 2017-11-30 | 2017-11-30 | A kind of radio frequency ablation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238325.3A CN107822708A (en) | 2017-11-30 | 2017-11-30 | A kind of radio frequency ablation needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107822708A true CN107822708A (en) | 2018-03-23 |
Family
ID=61646726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711238325.3A Pending CN107822708A (en) | 2017-11-30 | 2017-11-30 | A kind of radio frequency ablation needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107822708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245248A (en) * | 2018-03-26 | 2018-07-06 | 安徽大中润科技有限公司 | Radio frequency ablation needle |
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| CN106037926A (en) * | 2016-05-16 | 2016-10-26 | 安隽医疗科技(南京)有限公司 | Needle rod telescopic regulating system of adjustable water injection ablation electrode needle |
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|---|---|---|---|---|
| CN105167844A (en) * | 2010-05-21 | 2015-12-23 | 光轮概念公司 | Systems and methods for tissue ablation |
| CN103957979A (en) * | 2011-11-29 | 2014-07-30 | 皇家飞利浦有限公司 | Tube for being introduced into an object |
| CN103536356A (en) * | 2013-10-29 | 2014-01-29 | 上海魅丽纬叶医疗科技有限公司 | Guiding catheter with anti-electromagnetic-interference function |
| CN104706420A (en) * | 2015-02-06 | 2015-06-17 | 珠海和佳医疗设备股份有限公司 | Adjustable radiofrequency ablation electrode needle |
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| CN204734548U (en) * | 2015-06-26 | 2015-11-04 | 么文博 | Magnetic orientation radio frequency melts needle |
| CN105943159A (en) * | 2016-05-16 | 2016-09-21 | 安隽医疗科技(南京)有限公司 | Adjustable water-injection ablation electrode needle |
| CN106037926A (en) * | 2016-05-16 | 2016-10-26 | 安隽医疗科技(南京)有限公司 | Needle rod telescopic regulating system of adjustable water injection ablation electrode needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108245248A (en) * | 2018-03-26 | 2018-07-06 | 安徽大中润科技有限公司 | Radio frequency ablation needle |
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