CN1559351A - Radio frequency ablation electrode for treating auricular fibrillation - Google Patents
Radio frequency ablation electrode for treating auricular fibrillation Download PDFInfo
- Publication number
- CN1559351A CN1559351A CNA2004100165566A CN200410016556A CN1559351A CN 1559351 A CN1559351 A CN 1559351A CN A2004100165566 A CNA2004100165566 A CN A2004100165566A CN 200410016556 A CN200410016556 A CN 200410016556A CN 1559351 A CN1559351 A CN 1559351A
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- China
- Prior art keywords
- radiofrequency
- radio
- printed circuit
- tube
- silicone rubber
- 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
- 206010003658 Atrial Fibrillation Diseases 0.000 title claims abstract description 22
- 238000007674 radiofrequency ablation Methods 0.000 title claims description 11
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 229920002379 silicone rubber Polymers 0.000 claims description 28
- 239000004945 silicone rubber Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 6
- 239000000377 silicon dioxide Substances 0.000 abstract 3
- 238000002679 ablation Methods 0.000 description 8
- 230000001225 therapeutic effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000037237 body shape Effects 0.000 description 2
- 206010028851 Necrosis Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
A RF electrode for treating atrial fibrillation is composed of a silica rubber tube, a plastic rod in said silica rubber tube, a plastic handle, PCB fixed to the handle, a RF head and 7 RF tubes on said silica rubber tube at intervals, RF connectors between two adjacent RF tubes, and two temp-measuring thermocouples.
Description
Technical field
The present invention relates to a kind of treatment atrial fibrillation radio-frequency ablation electrode, be applied to radio-frequency (RF) ablation maze operation treatment atrial fibrillation (AF), recover sinus rhythm, belong to the biomedical engineering technology field.
Background technology
Treatment atrial fibrillation radio-frequency ablation electrode is one of critical component of atrial fibrillation rf ablation therapeutic instrument, it continues to use the maze operation circuit opening under the breast direct-view, utilizes the radio-frequency (RF) ablation effect to make the tissue coagulation necrosis, effectively blocking-up causes and keeps the reentrant cycle of atrial fibrillation, thereby eliminates atrial fibrillation.
Only have at present treatment atrial fibrillation that U.S. Boston Scientific EP technologies company produces with radio-frequency ablation electrode (supporting) with the products C obra Electrosurgical Unit of the said firm FDA authenticate and put on market.But, constitute special, the processing difficulties of each electrode section shape of its operative body; Use special Plastic Forming material, thereby cost an arm and a leg.In addition, it begins auto-destruct in back 12 hours in treatment, can only disposablely use, and brings heavy financial burden to patient, has limited its scope of application widely.
Summary of the invention
The objective of the invention is to deficiency at existing product, implement the radio-frequency (RF) ablation maze operation for patients with atrial fibrillation a kind of cheap and good-quality treatment atrial fibrillation radio-frequency ablation electrode is provided, it is simple in structure, use common material, Plastic Forming is functional, melt function admirable, easy-to-operate, reusable.
For realizing such purpose, the treatment atrial fibrillation of the present invention's design mainly comprises effect main body, rustless steel arm, plastic outer sleeve, plastic handle, movable bonnet, printed circuit board (PCB), printed circuit board plug, printed circuit connector, thermocouple lead, radio frequency leads and connection cord with radio-frequency ablation electrode.Effect main body wherein is made of radiofrequency head sleeve, radiofrequency tube, temperature thermocouple, silicone rubber tube, Plastic Forming rod etc.Concrete structure is: radiofrequency head sleeve and 7 radiofrequency tubes tightly are enclosed within outside the silicone rubber tube equally spacedly successively.The built-in radio-frequency joint in middle part of radiofrequency head sleeve and each radiofrequency tube, the left and right sides is built-in temperature thermocouple respectively, and radio-frequency joint and temperature thermocouple rely on the tension force of silicone rubber tube to be securely fixed between silicone rubber tube and radiofrequency head sleeve or the radiofrequency tube.The Plastic Forming rod is built in the center of silicone rubber tube.The rear end tight fit of silicone rubber tube is inserted in the rustless steel arm.The rear end of Plastic Forming rod is fastened on the rustless steel arm.The front end of rustless steel arm is with plastic outer sleeve, and the rear end is fastened on the plastic handle.All connect the radio frequency leads of radio-frequency joints all via silicone rubber tube and rustless steel arm draws with the lead-in wire that is connected temperature thermocouple (40) totally, is divided into then that thermocouple lead makes up (32), radio frequency leads makes up (8) and is connected to printed circuit board (PCB).Printed circuit board (PCB) is fastened on the plastic handle.There is a movable bonnet at the rear portion of plastic handle, can insert or unload the connection cord that has printed circuit connector when it is opened.
Radiofrequency tube is coiled to form by the stainless steel silk of Φ 0.3.The front end of radio frequency leads is removed insulating blanket and is formed radio-frequency joint, communicates with radiofrequency tube or radiofrequency head sleeve to constitute the radio-frequency feed path.Temperature thermocouple is placed at radiofrequency tube or radiofrequency head sleeve two ends respectively, for the atrial fibrillation rf ablation therapeutic instrument provides two groups of real time temperature data simultaneously.Radiofrequency head sleeve and each radiofrequency tube are to there being one group of lead-in wire combination, and it comprises 1 radio frequency leads and 4 thermocouple leads.
During work, the effect main body can manually be shaped by the maze operation circuit, and participating in the actual radiofrequency head sleeve that melts, radiofrequency tube can be selected flexibly as required, can be successive successively several, also can be to be interrupted several of arrangement, at most can eight sections work simultaneously.But operation back effect body shape manual restoration.
Novel structure compactness of the present invention, selection is common, cheap, can be correctly, manually be shaped by the maze operation circuit easily, participating in the actual radiofrequency head sleeve that melts, radiofrequency tube can be selected flexibly as required, safe and reliable, for the atrial fibrillation rf ablation therapeutic instrument provides a kind of treatment atrial fibrillation radio-frequency ablation electrode of high performance price ratio, have broad application prospects and market potential.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Among Fig. 1,1 is the effect main body, and 2 is radiofrequency head sleeve, 3 is radiofrequency tube, and 4 is silicone rubber tube, and 5 are the Plastic Forming rod, 6 is printed circuit connector, and 7 is thermocouple lead, and 8 is radio frequency leads, 9 is connection cord, and 10 is the rustless steel arm, and 11 is plastic outer sleeve, 12 is plastic handle, 13 is movable bonnet, and 14 is printed circuit board (PCB), and 15 is printed circuit board plug.
Fig. 2 is the partial enlarged drawing of effect main body of the present invention.
Among Fig. 2,2 is radiofrequency head sleeve, and 3 is radiofrequency tube, and 4 is silicone rubber tube, and 5 are the Plastic Forming rod, and 7 is thermocouple lead, and 8 is radio frequency leads, and 16 is radio-frequency joint, and 17,18 is thermocouple.
The specific embodiment
In order to understand technical scheme of the present invention better, be described in further detail below in conjunction with accompanying drawing.
Overall structure of the present invention mainly comprises effect main body 1, rustless steel arm 10, plastic outer sleeve 11, plastic handle 12, movable bonnet 13, printed circuit board (PCB) 14, printed circuit board plug 15, printed circuit connector 6 and connection cord 9 as shown in Figure 1.Effect main body 1 wherein is made of two temperature thermocouples in radiofrequency head sleeve 2, seven radiofrequency tubes 3, silicone rubber tube 4, Plastic Forming rod 5 and radiofrequency head sleeve 2 and each radiofrequency tubes 3. Radiofrequency head sleeve 2 and 7 radiofrequency tubes 3 tightly are enclosed within outside the silicone rubber tube 4 equally spacedly successively, Plastic Forming rod 5 is built in the center of silicone rubber tube 4, the rear end tight fit of silicone rubber tube 4 is inserted in the rustless steel arm 10, and the rear end of Plastic Forming rod 5 is fastened on the rustless steel arm 10.The front end of rustless steel arm 10 is with plastic outer sleeve 11, and the rear end is fastened on the plastic handle 12.All radio frequency leads 8 and temperature thermocouple lead-in wire 7 are all drawn via silicone rubber tube 4 and rustless steel arm 10, are connected to printed circuit board (PCB) 14.Printed circuit board (PCB) 14 is fastened on the plastic handle 12, printed circuit board plug 15 and printed circuit connector 6 are positioned at the rear portion of plastic handle 12, there is movable bonnet 13 at the rear portion of plastic handle 12, can insert or unload the connection cord 9 that has printed circuit connector 6 when it is opened.
The partial enlarged drawing of effect main body 1 of the present invention as shown in Figure 2, effect main body 1 of the present invention is made of two temperature thermocouples in radiofrequency head sleeve 2, seven radiofrequency tubes 3, silicone rubber tube 4, Plastic Forming rod 5 and radiofrequency head sleeve 2 and each radiofrequency tubes 3, and radiofrequency head sleeve 2 and 7 radiofrequency tubes 3 tightly are enclosed within outside the silicone rubber tube 4 equally spacedly successively.It shown in Fig. 2 the structural representation of radiofrequency head sleeve 2 and first radiofrequency tube.The middle part of radiofrequency head sleeve 2 and each radiofrequency tube 3 is built-in with radio-frequency joint 16, the left and right sides is built-in with two temperature thermocouples respectively---and 1# temperature thermocouple 17 and 2# temperature thermocouple 18, radio-frequency joint 16 and two temperature thermocouples rely on the tension force of silicone rubber tube 4 to be securely fixed between silicone rubber tube 4 and radiofrequency head sleeve 2 or the radiofrequency tube 3.Plastic Forming rod 5 is built in the center of silicone rubber tube 4.The rear end tight fit of silicone rubber tube 4 is inserted in the rustless steel arm 10.The rear end of Plastic Forming rod 5 is fastened on the rustless steel arm 10.Radiofrequency head sleeve 2 and each radiofrequency tube 3 are drawn a radio frequency leads 8 from radio-frequency joint 16 separately respectively, draw four temperature thermocouple lead-in wires 7 from temperature thermocouple 17,18, all connect the radio frequency leads 8 of radio-frequency joint 16 all draws via silicone rubber tube 4 and rustless steel arm 10 with the temperature thermocouple lead-in wire 7 that is connected temperature thermocouple 17,18, is connected to printed circuit board (PCB) 14.
Radiofrequency tube 3 is coiled to form by the stainless steel silk of Φ 0.3.The front portion of radio frequency leads 8 one ends is removed insulating blanket and is formed radio-frequency joint 16, communicates with radiofrequency tube 3 or radiofrequency head sleeve 2 to constitute the radio-frequency feed path.The temperature thermocouple 17,18 that place respectively at radiofrequency tube 3 or radiofrequency head sleeve 2 two ends is for the atrial fibrillation rf ablation therapeutic instrument provides two groups of real time temperature data simultaneously.
Temperature thermocouple 17,18 is selected T type thermocouple for use, and the thermo wires diameter is 0.1 ± 0.005mm.Thermo wires directly goes between as temperature thermocouple.
During work, effect main body 1 can manually be shaped by the maze operation circuit, and participating in the actual radiofrequency head sleeve that melts 2, radiofrequency tube 3 can select as required flexibly, can be successive successively several, also can be several that be interrupted to arrange, at most can eight sections work simultaneously.But operation back effect body shape manual restoration.
In an embodiment of the present invention, optimized choice has been made in the selection of each parts, to guarantee the treatment atrial fibrillation with radio-frequency ablation electrode function admirable not only, its biocompatibility meets the requirement of GB/T 16886.1-2001, and cheap.Handle adopts nontoxic polyester material, and Shooting Technique is made.Radiofrequency tube is coiled to form by stainless steel silk.The Plastic Forming rod adopts common plastic metal material.The rustless steel arm adopts 1Cr18Ni9Ti.Insulation is by second mining poly-tetrafluoro alkene.Temperature measuring thermocouple is selected T type thermocouple for use.
Claims (2)
1, a kind of treatment atrial fibrillation radio-frequency ablation electrode, it is characterized in that comprising effect main body (1), rustless steel arm (10), plastic outer sleeve (11), plastic handle (12), movable bonnet (13), printed circuit board (PCB) (14), printed circuit board plug (15), printed circuit connector (6) and connection cord (9), wherein act on main body (1) by radiofrequency head sleeve (2), seven radiofrequency tubes (3), silicone rubber tube (4), Plastic Forming rod (5), and two temperature thermocouples in radiofrequency head sleeve (2) and each radiofrequency tube (3) constitute, radiofrequency head sleeve (2) and seven radiofrequency tubes (3) tightly are enclosed within outside the silicone rubber tube (4) equally spacedly successively, the built-in radio-frequency joint in middle part (16) of radiofrequency head sleeve (2) and each radiofrequency tube (3), the left and right sides is built-in temperature thermocouple (17 respectively, 18), radio-frequency joint (16) and temperature thermocouple (17,18) rely on the tension force of silicone rubber tube (4) to be fixed between silicone rubber tube (4) and radiofrequency head sleeve (2) or the radiofrequency tube (3), Plastic Forming rod (5) is built in the center of silicone rubber tube (4), the rear end tight fit of silicone rubber tube (4) is inserted in the rustless steel arm (10), the rear end of Plastic Forming rod (5) is fastened on the rustless steel arm (10), the front end of rustless steel arm (10) is with plastic outer sleeve (11), the rear end is fastened on the plastic handle (12), all radio frequency leads (8) and temperature thermocouple lead-in wire (7) are drawn via silicone rubber tube (4) and rustless steel arm (10), be connected to printed circuit board (PCB) (14), printed circuit board (PCB) (14) is fastened on the plastic handle (12), printed circuit board plug (15) and printed circuit connector (6) are positioned at the rear portion of plastic handle (12), there is a movable bonnet (13) at the rear portion of plastic handle (12), can insert or unload the connection cord (9) that has printed circuit connector (6) when it is opened.
2, treatment atrial fibrillation radio-frequency ablation electrode as claimed in claim 1, it is characterized in that described radiofrequency tube (3) is coiled to form by the stainless steel silk of Φ 0.3, the front portion of radio frequency leads (8) one ends is removed insulating blanket and is formed radio-frequency joint (16), communicates with radiofrequency tube (3) or radiofrequency head sleeve (2) to constitute the radio-frequency feed path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410016556 CN1254217C (en) | 2004-02-26 | 2004-02-26 | Radio frequency ablation electrode for treating auricular fibrillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410016556 CN1254217C (en) | 2004-02-26 | 2004-02-26 | Radio frequency ablation electrode for treating auricular fibrillation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1559351A true CN1559351A (en) | 2005-01-05 |
| CN1254217C CN1254217C (en) | 2006-05-03 |
Family
ID=34440528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410016556 Expired - Lifetime CN1254217C (en) | 2004-02-26 | 2004-02-26 | Radio frequency ablation electrode for treating auricular fibrillation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1254217C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237826B (en) * | 2005-08-11 | 2010-10-13 | 卡迪尔生命研究股份有限公司 | Surgical retractor |
| CN103717164A (en) * | 2011-03-08 | 2014-04-09 | T·J·科亨 | Ablation catheter system with safety features |
| CN104582615A (en) * | 2012-06-27 | 2015-04-29 | 麦迪尼治疗公司 | Systems and methods for treating tissue with radio frequency energy |
| CN106456247A (en) * | 2014-06-20 | 2017-02-22 | 波士顿科学国际有限公司 | Medical device for sympathetic nerve ablation with printed components |
| CN108272504A (en) * | 2017-12-08 | 2018-07-13 | 武汉市海沁医疗科技有限公司 | A kind of radio-frequency ablation electrode |
| US10386990B2 (en) | 2009-09-22 | 2019-08-20 | Mederi Rf, Llc | Systems and methods for treating tissue with radiofrequency energy |
| US10624690B2 (en) | 2009-09-22 | 2020-04-21 | Mederi Rf, Llc | Systems and methods for controlling use and operation of a family of different treatment devices |
| WO2021031448A1 (en) * | 2019-08-22 | 2021-02-25 | 浙江舒友仪器设备有限公司 | Electrosurgical pencil |
| CN115153814A (en) * | 2022-06-23 | 2022-10-11 | 上海玮琅医疗科技有限公司 | Bracket type radio frequency ablation catheter |
-
2004
- 2004-02-26 CN CN 200410016556 patent/CN1254217C/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237826B (en) * | 2005-08-11 | 2010-10-13 | 卡迪尔生命研究股份有限公司 | Surgical retractor |
| US10386990B2 (en) | 2009-09-22 | 2019-08-20 | Mederi Rf, Llc | Systems and methods for treating tissue with radiofrequency energy |
| US10624690B2 (en) | 2009-09-22 | 2020-04-21 | Mederi Rf, Llc | Systems and methods for controlling use and operation of a family of different treatment devices |
| US11507247B2 (en) | 2009-09-22 | 2022-11-22 | Mederi Rf, Llc | Systems and methods for treating tissue with radiofrequency energy |
| CN103717164A (en) * | 2011-03-08 | 2014-04-09 | T·J·科亨 | Ablation catheter system with safety features |
| CN104582615A (en) * | 2012-06-27 | 2015-04-29 | 麦迪尼治疗公司 | Systems and methods for treating tissue with radio frequency energy |
| CN104582615B (en) * | 2012-06-27 | 2017-02-22 | 麦迪尼治疗公司 | Systems and methods for treating tissue with radio frequency energy |
| CN106456247A (en) * | 2014-06-20 | 2017-02-22 | 波士顿科学国际有限公司 | Medical device for sympathetic nerve ablation with printed components |
| CN108272504A (en) * | 2017-12-08 | 2018-07-13 | 武汉市海沁医疗科技有限公司 | A kind of radio-frequency ablation electrode |
| WO2021031448A1 (en) * | 2019-08-22 | 2021-02-25 | 浙江舒友仪器设备有限公司 | Electrosurgical pencil |
| CN115153814A (en) * | 2022-06-23 | 2022-10-11 | 上海玮琅医疗科技有限公司 | Bracket type radio frequency ablation catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1254217C (en) | 2006-05-03 |
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Denomination of invention: Radio frequency ablation electrode for treating auricular fibrillation Effective date of registration: 20101222 Granted publication date: 20060503 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. Registration number: 2010990001019 |
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Denomination of invention: Radio frequency ablation electrode for treating auricular fibrillation Effective date of registration: 20120105 Granted publication date: 20060503 Pledgee: Zhongguancun Beijing science and technology Company limited by guarantee Pledgor: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. Registration number: 2012990000008 |
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Address after: 101111 street Beijing economic and Technological Development Zone Branch No. 100 block C Patentee after: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. Address before: 100085, 2 floor, building 1, No. four, 3 Street, Beijing, Haidian District Patentee before: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. |
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Denomination of invention: Radio frequency ablation electrode for treating auricular fibrillation Effective date of registration: 20170703 Granted publication date: 20060503 Pledgee: Pudong Development Silicon Valley Bank Co.,Ltd. Beijing branch Pledgor: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. Registration number: 2017990000564 |
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Denomination of invention: Radio frequency ablation electrode for treating auricular fibrillation Effective date of registration: 20200527 Granted publication date: 20060503 Pledgee: Pudong Development Silicon Valley Bank Co.,Ltd. Beijing branch Pledgor: SYNAPTIC MEDICAL (BEIJING) Co.,Ltd. Registration number: Y2020110000006 |
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