CN105852962A - Ablation catheter capable of precisely adjusting tubular tissue - Google Patents
Ablation catheter capable of precisely adjusting tubular tissue Download PDFInfo
- Publication number
- CN105852962A CN105852962A CN201610284716.8A CN201610284716A CN105852962A CN 105852962 A CN105852962 A CN 105852962A CN 201610284716 A CN201610284716 A CN 201610284716A CN 105852962 A CN105852962 A CN 105852962A
- Authority
- CN
- China
- Prior art keywords
- knob
- handle
- tubular tissue
- ablation catheter
- gear
- 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.)
- Granted
Links
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
- 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
- A61B2018/00321—Head or parts thereof
- A61B2018/00327—Ear, nose or throat
-
- 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
- A61B2018/00345—Vascular system
-
- 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
- A61B2018/00482—Digestive system
-
- 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
- A61B2018/00505—Urinary tract
-
- 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
- A61B2018/0091—Handpieces of the surgical instrument or device
-
- 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
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/1253—Generators therefor characterised by the output polarity monopolar
-
- 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
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an ablation catheter capable of precisely adjusting tubular tissue, and solves the problem of incapability of safe and effective ablation due to the fact that the position of a radiofrequency ablation electrode cannot be precisely adjusted in the prior art. The ablation catheter comprises a handle as well as an adjusting knob, a display dial, a Luer taper, a cable joint, a main catheter body and an electrode section which are arranged on the handle, wherein the Luer taper and the cable joint are arranged at the tail of the handle; the display dial and the adjusting knob are arranged in the middle of the handle; the main catheter body is arranged at the front part of the handle; the electrode section is located at one end part, far away from the handle, of the main catheter body. The ablation catheter capable of precisely adjusting the tubular tissue facilitates standardized implementation of ablation operation and contributes to clinical safe and effective popularization and use of the catheter.
Description
Technical field
Present invention relates particularly to the ablation catheter of a kind of accurate regulation tubular tissue.
Background technology
Radio-frequency ablation technique is one of the most successful and most efficient method producing in-vivo tissue damage, and radio-frequency (RF) energy, by realizing melting to the heat effect of tissue and electrical effect, possesses long-tested advantage: high-frequency radio frequency electric current will not stimulate muscle and heart tissue；Rf injury stove size is controlled；The output valve of radio-frequency (RF) energy is easily controlled, and can be directly output to electrode；By impedance and the monitoring of temperature, carbonization can be avoided, burn and the untoward reaction such as adhesion.Radio-frequency ablation technique is also a kind of Minimally Interventional Therapy technology, and little to patient trauma, post-operative recovery is fast, and its application is more and more extensive.
As the most widely used apparatus, ablation catheter can be used to treat the important organ tumors such as multiple disease, such as arrhythmia, liver, lung, kidney, is the most creatively used to melt renal artery sympathetic nerve to treat part hyperpietic.CN105208957A discloses the method and system of a kind of interactive patient particular dummy for hepatic tumor ablation, can estimate patient specific anatomic's model of the blood circulation of liver and liver from the 3D medical image of patient.CN101006939A discloses a kind of focal prostate cancer conformal radiofrequency ablation electrode; the fladellum that this invention is constituted due to many roots pin and the plesiomorphism of prostate left and right lateral lobe; carcinoma of prostate can be effectively treated in the temperature field of radio frequency heating process; the structures such as urethra, rectum and prostate neurovascular bundle can be protected again from damage, reach safety and effectively treat carcinoma of prostate.The a series of ablation catheters of the patent disclosure such as CN102198015B, CN202960760U, CN103417290A, CN103142304A, US2014/0228829A1, in order to treat arrhythmia, or carry out endo vascular ablation.
Similar with radio-frequency (RF) energy, microwave energy can also act on lesion tissue so that it is is rapidly heated, solidifies, downright bad.Microwave ablation firing rate is fast, and the used time is short, and penetration depth is big, is also the most widely used a kind of ablation techniques.
But above ablation method or technology all can not control the geological information after remote electrode expansion in real time, exactly, it is difficult to the degree that reclines accurately regulating electrode with tubular tissue, the most accurately regulate the function of tubular tissue, operation process more needs doctors experience judge.But, different doctors, its surgical experience difference is objective reality, causes doctor to extend the learning time of various ablative surgeries, and operative effect is also difficult to ensure that, is unfavorable for the popularization of this technology.
Summary of the invention
It is an object of the invention to provide the ablation catheter of a kind of accurate regulation tubular tissue, solve prior art and cannot regulate the position of radio-frequency ablation electrode, the problem causing safely, effectively carrying out melting accurately.
To achieve these goals, the technical solution used in the present invention is as follows:
Precisely regulate the ablation catheter of tubular tissue, including handle, and adjusting knob, display dial, female Luer, cable connector, catheter main body and the electrode section being arranged on handle；Described female Luer and cable connector are arranged at the afterbody of handle；Described display dial and adjusting knob are arranged at the middle part of handle；Described catheter main body is arranged at the front portion of handle；Described electrode section is positioned at the catheter main body end, one end away from handle.
Further, described adjusting knob includes knob, is arranged at the gear of knob side, is arranged at the groove of knob opposite side, and for covering the knob lid of knob；Described knob outer rim is provided with annular knurl, is provided with pad in described groove；Described pad fits tightly with knob lid；Described gear is connected with display dial.
Yet further, described electrode section includes the support frame being arranged at outside catheter main body, and the electrode being arranged on support frame.
Specifically, described support frame in the form of sheets, and is provided with through hole at support frame two ends；It is provided with reinforced sheet in the middle part of described support frame.
Further, it is provided with, in described catheter main body, the driving member being fixedly linked with electrode section far-end；The slide block being positioned at handle inner it is additionally provided with on described driving member；Described driving member extends to handle afterbody in catheter main body.By slide block in the slip of handle inner, thus driving driving member to move, driving member then can pull electrode section to move, so that radial diameter or cross-sectional area change.
It addition, described display dial includes dial plate, the hand of dial being arranged on dial plate；Described hand of dial is mutually linked with slide block, knob by axle wheel.
Further, described axle wheel includes the gear wheel engaged with knob, is arranged at gear wheel one middle side part the little gear engaged with slide block, and is arranged at the little gear slotted eye away from gear wheel one middle side part；Described hand of dial is connected with slotted eye by gear train.
Specifically, described gear train is made up of 1～10 pitch wheel, and the side of one of them gear is provided with the projection matched with slotted eye.
Yet further, described slide block basal surface is provided with the teeth groove matched with little gear；Described slide block upper surface is provided with semicolumn groove, and is provided with ball in semicolumn groove；It is additionally provided with outside described ball and is connected with slide block for limiting the fender bracket that ball slides.
What deserves to be explained is, conduit that the present invention is announced and assembly thereof can by materials such as metal, inorganic non-metallic, macromolecules, through machining, extrude, be molded, 3D prints, welding, the technique such as bonding are made.Need because manufacturing, each assembly can be revised freely, split, the change in design such as merging, without departing from the essence of the present invention, all should be protected.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention is conducive to the Standardization Practice of ablative surgery, contributes to conduit and the most safely, effectively promotes the use of.
The present invention can on handle dial plate accurate show electrode section geological information, and use knob to regulate, be allowed to match with the geological information of internal tubular tissue, then carry out ablation of tissue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is partial schematic diagram at electrode section in the present invention.
Fig. 4 is the structural representation of centre shaft wheel of the present invention.
Fig. 5 is exploded perspective view at handle in the present invention.
Fig. 6 is exploded perspective view at display dial in the present invention.
Fig. 7 is the structural representation of slide block in the present invention.
Fig. 8 is the exploded perspective view after slide block is arranged on handle inner in the present invention.
Fig. 9 is the partial exploded view of adjusting knob in the present invention.
Figure 10 is for melting schematic diagram.
Wherein, the parts that in accompanying drawing, labelling is corresponding are entitled: 1-handle, 2-adjusting knob, 2a-knob, 2b-groove; 3-display dial, 4-female Luer, 5-cable connector, 6-catheter main body, 7-electrode section; 7a-support frame, 7b-through hole, 7c-reinforced sheet, 8-driving member, 9-slide block; 9a-semicolumn groove, 9b-teeth groove, 10-dial plate, 11-axle is taken turns; 11a-gear wheel, the little gear of 11b-, 11c-slotted eye, 12-gear train; 13-ball, 14-fender bracket, 15-pad, 16-knob lid.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Fig. 1～9, precisely regulate the ablation catheter of tubular tissue, including handle 1, and adjusting knob 2, display dial 3, female Luer 4, cable connector 5, catheter main body 6 and the electrode section 7 being arranged on handle；Described female Luer and cable connector are arranged at the afterbody of handle；Described display dial and adjusting knob are arranged at the middle part of handle；Described catheter main body is arranged at the front portion of handle；Described electrode section is positioned at the catheter main body end, one end away from handle.
Specifically, described adjusting knob includes knob 2a, is arranged at the gear of knob side, is arranged at the groove 2b of knob opposite side, and for covering the knob lid 16 of knob；Described knob outer rim is provided with annular knurl, is provided with pad 15 in described groove；Described pad fits tightly with knob lid；Described gear is connected with display dial.Its Intermediate gasket is made up of polyurethane, rubber, the macromolecular material such as polrvinyl chloride, preferred as one, the thickness degree deeper than the recess of pad is bigger, and pad fits tightly with knob lid, the stiction produced can prevent knob automatic rotary during regulation with fixed knob.
Specifically, described electrode section includes the support frame 7a being arranged at outside catheter main body, and the electrode being arranged on support frame.
Specifically, described support frame in the form of sheets, and is provided with through hole 7b at support frame two ends；Reinforced sheet 7c it is provided with in the middle part of described support frame.Wherein, support frame width is 0.02～2, and thickness is 0.02～0.5mm, through hole is arranged at support frame two ends, and each section have respectively at two and be provided with through hole, say, that on support frame, one total is provided with through hole everywhere, and often place is provided with 1～10 exhausting hole slit or apertures；If during slit, this slot number is 1～10 rows, and width is 0.02～0.5, a length of 0.1～10；If during aperture, this little hole number is 1～30, a diameter of the 0.02～0.5 of described aperture；Described aperture or slit can run through, it is also possible to not through.
The quantity 1 of above-mentioned reinforced sheet～10 layers, every layer thickness is 0.02～0.5, and reinforced sheet is by welding or is bonded and fixed on support frame.Described reinforced sheet can be arranged at inside support frame, it is also possible to is arranged at outside support frame.
Preferred as one, described support frame cross section is in ") " type.
Specifically, the driving member 8 being fixedly linked with electrode section far-end it is provided with in described catheter main body；The slide block 9 being positioned at handle inner it is additionally provided with on described driving member；Described driving member extends to handle afterbody in catheter main body.Above-mentioned driving member can be a material, it is also possible to be tubing, can select according to practical situation.
Specifically, described display dial includes dial plate 10, the hand of dial being arranged on dial plate；Described hand of dial is mutually linked with slide block, knob by axle wheel 11.
Specifically, the range of described dial plate is 0～30, or 0～8002.Preferred as one, the range of described dial plate is 0～12, or 0～802.Dial scale interval can be linear homogeneous interval, it is also possible to be non-linear homogeneous, can demarcate interval according to actual carrying out.
Described display dial can also is that electronic display；Described display dial can also accurately measure the displacement of slide block, after displacement being changed accordingly, it is possible to shown on display dial by the geological information of remote electrode section by displacement transducer and driving member, knob linkage by displacement transducer；Institute's displacement sensors is the one in capacitor grid transducer, grating sensor, magnetic induction sensor.
Specifically, described axle wheel includes the gear wheel 11a engaged with knob, is arranged at gear wheel one middle side part the little gear 11b engaged with slide block, and is arranged at the little gear slotted eye 11c away from gear wheel one middle side part；Described hand of dial is connected with slotted eye by gear train 12.
Specifically, described gear train is made up of 1～10 pitch wheel, and the side of one of them gear is provided with the projection matched with slotted eye.The relatively large I of each gear of described gear train is freely arranged, with the demand of satisfied regulation.Described projection and slotted eye, by together with welding or being adhesively fixed, drive hand of dial and axle wheel linkage.
Specifically, described slide block basal surface is provided with the teeth groove 9b matched with little gear；Described slide block upper surface is provided with semicolumn groove 9a, and is provided with ball 13 in semicolumn groove；It is additionally provided with outside described ball and is connected with slide block for limiting the fender bracket 14 that ball slides.
As shown in Figure 10, reality of the present invention application is as follows: by preoperative diagnosis, and renal artery intends the section of melting A, and the average diameter of B, C point is respectively 4.8mm, 4.5mm, 4.6mm.After ablation catheter electrode section is delivered to renal artery A-B-C section, promote knob, regulate the electrode section diameter of distal end of catheter, as a diameter of 5mm of the electrode section that dial plate shows, feasible electricity irritation, one pole or bipolar ablation.After melting end, turn round knob, then ablation catheter electrode section is delivered to opposite side renal artery, can again melt.Similarly, by preoperative diagnosis, renal artery intends the section of melting A, and the cross-sectional area of B, C point is respectively 18mm2, 15mm2,
16mm2, after ablation catheter electrode section is delivered to renal artery A-B-C section, promoting knob, the electrode section of regulation distal end of catheter, the electrode section cross-sectional area shown when dial plate is 20mm2Time, feasible electricity irritation, one pole or bipolar ablation.
It is pointed out that the tubular tissue in blood circulation such as it is also possible to apply the invention to heart, pulmonary artery, pulmonary vein melts it can also be used to the tubular tissue in digestive system, respiratory system, urinary system and reproductive system melts.Present invention is also not necessarily limited to the using method of above example, for solving similar problem, also reasonably can adjust and perfect on the basis of the method that the present invention announces.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is; on the premise of designing based on said structure, for solving same technical problem, even if some made in the present invention are without substantial change or polishing; the essence of the technical scheme used is still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (10)
1. precisely regulate the ablation catheter of tubular tissue, it is characterised in that include handle (1), and adjusting knob (2), display dial (3), female Luer (4), cable connector (5), catheter main body (6) and the electrode section (7) being arranged on handle；Described female Luer and cable connector are arranged at the afterbody of handle；Described display dial and adjusting knob are arranged at the middle part of handle；Described catheter main body is arranged at the front portion of handle；Described electrode section is positioned at the catheter main body end, one end away from handle.
The ablation catheter of accurate regulation tubular tissue the most according to claim 1, it is characterized in that, described adjusting knob includes knob (2a), is arranged at the gear of knob side, it is arranged at the groove (2b) of knob opposite side, and for covering the knob lid (16) of knob；Described knob outer rim is provided with annular knurl, is provided with pad (15) in described groove；Described pad fits tightly with knob lid；Described gear is connected with display dial.
The ablation catheter of accurate regulation tubular tissue the most according to claim 1, it is characterised in that described electrode section includes the support frame (7a) being arranged at outside catheter main body, and the electrode being arranged on support frame.
The ablation catheter of accurate regulation tubular tissue the most according to claim 3, it is characterised in that described support frame in the form of sheets, and is provided with through hole (7b) at support frame two ends；Reinforced sheet (7c) it is provided with in the middle part of described support frame.
The ablation catheter of accurate regulation tubular tissue the most according to claim 2, it is characterised in that be provided with the driving member (8) being fixedly linked with electrode section far-end in described catheter main body；The slide block (9) being positioned at handle inner it is additionally provided with on described driving member；Described driving member extends to handle afterbody in catheter main body.
The ablation catheter of accurate regulation tubular tissue the most according to claim 5, it is characterised in that described display dial includes dial plate (10), the hand of dial being arranged on dial plate；Described hand of dial is mutually linked with slide block, knob by axle wheel (11).
The ablation catheter of accurate regulation tubular tissue the most according to claim 6, it is characterized in that, described axle wheel includes the gear wheel (11a) engaged with knob, it is arranged at gear wheel one middle side part the little gear (11b) engaged with slide block, and is arranged at the little gear slotted eye (11c) away from gear wheel one middle side part；Described hand of dial is connected with slotted eye by gear train (12).
The ablation catheter of accurate regulation tubular tissue the most according to claim 7, it is characterised in that described slide block basal surface is provided with the teeth groove (9b) matched with little gear；Described slide block upper surface is provided with semicolumn groove (9a), and is provided with ball (13) in semicolumn groove；It is additionally provided with outside described ball and is connected with slide block for limiting the fender bracket (14) that ball slides.
The ablation catheter of accurate regulation tubular tissue the most according to claim 7, it is characterised in that described gear train is made up of 1～10 pitch wheel, and the side of one of them gear is provided with the projection matched with slotted eye.
The ablation catheter of accurate regulation tubular tissue the most according to claim 5, it is characterised in that described display dial is mutually linked with slide block, knob by displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284716.8A CN105852962B (en) | 2016-04-29 | 2016-04-29 | Precisely adjust the ablation catheter of tubular tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284716.8A CN105852962B (en) | 2016-04-29 | 2016-04-29 | Precisely adjust the ablation catheter of tubular tissue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105852962A true CN105852962A (en) | 2016-08-17 |
| CN105852962B CN105852962B (en) | 2018-08-28 |
Family
ID=56630040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610284716.8A Active CN105852962B (en) | 2016-04-29 | 2016-04-29 | Precisely adjust the ablation catheter of tubular tissue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105852962B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007349A (en) * | 2017-05-20 | 2017-08-04 | 王新 | A kind of stomach esophagus radio-frequency ablation electrode |
| CN112932654A (en) * | 2021-01-26 | 2021-06-11 | 四川省人民医院 | Ablation electrode device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800428A (en) * | 1996-05-16 | 1998-09-01 | Angeion Corporation | Linear catheter ablation system |
| CN202982206U (en) * | 2012-10-15 | 2013-06-12 | 陈平根 | Multi-electrode radio frequency ablation catheter |
| CN103549993A (en) * | 2013-11-21 | 2014-02-05 | 何芬 | Guide wire and catheter system for radiofrequency ablation of renal artery sympathetic nerves |
| CN103584909A (en) * | 2012-08-17 | 2014-02-19 | 王涛 | Open-type meshed radiofrequency ablation electrode |
| CN104783896A (en) * | 2015-04-30 | 2015-07-22 | 常承忠 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
| CN205672072U (en) * | 2016-04-29 | 2016-11-09 | 廖申扬 | Precisely regulate the ablation catheter of tubular tissue |
-
2016
- 2016-04-29 CN CN201610284716.8A patent/CN105852962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5800428A (en) * | 1996-05-16 | 1998-09-01 | Angeion Corporation | Linear catheter ablation system |
| CN103584909A (en) * | 2012-08-17 | 2014-02-19 | 王涛 | Open-type meshed radiofrequency ablation electrode |
| CN202982206U (en) * | 2012-10-15 | 2013-06-12 | 陈平根 | Multi-electrode radio frequency ablation catheter |
| CN103549993A (en) * | 2013-11-21 | 2014-02-05 | 何芬 | Guide wire and catheter system for radiofrequency ablation of renal artery sympathetic nerves |
| CN104783896A (en) * | 2015-04-30 | 2015-07-22 | 常承忠 | Radiofrequency ablation electrode capable of adjusting direction of electrode tip |
| CN205672072U (en) * | 2016-04-29 | 2016-11-09 | 廖申扬 | Precisely regulate the ablation catheter of tubular tissue |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007349A (en) * | 2017-05-20 | 2017-08-04 | 王新 | A kind of stomach esophagus radio-frequency ablation electrode |
| CN112932654A (en) * | 2021-01-26 | 2021-06-11 | 四川省人民医院 | Ablation electrode device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105852962B (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190209236A1 (en) | Catheter electrode assemblies and methods of construction therefor | |
| US7593778B2 (en) | Electrosurgical device with improved visibility | |
| EP3089688B1 (en) | Elongate medical device including chamfered ring electrode and variable shaft | |
| US20160374743A1 (en) | Neuromodulation catheters and related devices, systems, and methods | |
| EP2907464A1 (en) | Methods and systems for treating nerve structures | |
| EP3123973A1 (en) | Renal rf ablation system with a movable virtual electrode and related methods of use | |
| US20090093810A1 (en) | Electrophysiology Electrodes and Apparatus Including the Same | |
| EP2851030A1 (en) | Irrigated catheter with fluid evacuation | |
| EP2906135A2 (en) | Renal nerve modulation devices and methods | |
| US20150150624A1 (en) | Device For Therapeutic Delivery of Radio Frequency Energy | |
| US10413212B2 (en) | Methods and systems for enhanced mapping of tissue | |
| CN205672072U (en) | Precisely regulate the ablation catheter of tubular tissue | |
| CN105852962A (en) | Ablation catheter capable of precisely adjusting tubular tissue | |
| CN112704558A (en) | Thermal ablation catheter with profiled tip, thermal ablation device and method of operating same | |
| CN207804367U (en) | A kind of Cardiological radio frequency ablation catheter | |
| CN203208117U (en) | Local single-needle single-side radio frequency ablation electrode | |
| CN211381730U (en) | Integrated radio frequency sleeve | |
| CN106137380A (en) | A kind of modular catheter and use the radio frequency ablation catheter of this handle | |
| CN215606225U (en) | Thermal ablation catheter with profiled tip and thermal ablation device | |
| EP3897435B1 (en) | Cooled radiofrequency ablation probe | |
| CN203226895U (en) | Radiofrequency ablation catheter and guide wire accurately and electrically controlled with attitudes and positions | |
| CN105686819A (en) | An electrophysiological catheter | |
| EP4277557A1 (en) | Microcatheter | |
| AU2019398352A1 (en) | Introducer for use with an RF ablation probe and associated RF ablation probe assembly | |
| CN111685864A (en) | Integrated radio frequency sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |