KR20220014621A - 혈관 치료용 바이폴라 카테타 - Google Patents
혈관 치료용 바이폴라 카테타 Download PDFInfo
- Publication number
- KR20220014621A KR20220014621A KR1020200094438A KR20200094438A KR20220014621A KR 20220014621 A KR20220014621 A KR 20220014621A KR 1020200094438 A KR1020200094438 A KR 1020200094438A KR 20200094438 A KR20200094438 A KR 20200094438A KR 20220014621 A KR20220014621 A KR 20220014621A
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- electrode tip
- insulating cover
- driving motor
- catheter
- 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
- 238000002560 therapeutic procedure Methods 0.000 title 1
- 230000003902 lesion Effects 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000002792 vascular Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000006378 damage Effects 0.000 abstract description 7
- 238000001356 surgical procedure Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 description 24
- 238000010438 heat treatment Methods 0.000 description 6
- 206010046996 Varicose vein Diseases 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000027185 varicose disease Diseases 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 244000208734 Pisonia aculeata Species 0.000 description 2
- 206010067171 Regurgitation Diseases 0.000 description 2
- 206010039580 Scar Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000019553 vascular disease Diseases 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 208000012641 Pigmentation disease Diseases 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 206010048038 Wound infection Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003229 sclerosing agent Substances 0.000 description 1
- 238000007632 sclerotherapy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
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
- 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
- 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
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart 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
-
- 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
- A61B18/1206—Generators therefor
- A61B18/1233—Generators therefor with circuits for assuring patient safety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
-
- 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
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
-
- 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
- A61B2018/00184—Moving parts
- A61B2018/00196—Moving parts reciprocating lengthwise
-
- 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
- A61B2018/00184—Moving parts
- A61B2018/00202—Moving parts rotating
-
- 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
- A61B2018/00184—Moving parts
- A61B2018/00202—Moving parts rotating
- A61B2018/00208—Moving parts rotating actively driven, e.g. by a motor
-
- 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
- A61B2018/00345—Vascular system
- A61B2018/00404—Blood vessels other than those in or around the heart
-
- 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
- A61B2018/00595—Cauterization
-
- 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
-
- 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
- A61B2018/1475—Electrodes retractable in or deployable from a housing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M2025/0095—Catheter tip comprising a tool being one or more needles protruding from the distal tip and which are not used for injection nor for electro-stimulation, e.g. for fixation purposes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
도 2는 전극부의 분해구성을 도시한 도면.
도 3은 도 1에 도시된 바이폴라 카테타의 정면을 도시한 도면.
도 4는 도 3에 도시된 A-A선을 기준으로 하는 단면구성을 개략적으로 도시한 도면.
도 5는 도 4를 기준으로 가이드부가 전방으로 슬라이딩 이동된 상태를 도시한 도면.
도 6은 도 4를 기준으로 롤러부재의 조작에 의해 절연커버가 전방으로 이동되어 전극팁의 노출 길이가 가변된 형태를 부분적으로 도시한 도면.
도 7은 도 4에 도시된 B 부분을 확대 도시한 도면.
도 8a는 도 7에 도시된 C-C선을 기준으로 하는 단면구성을 개략적으로 도시한 도면이고 도 8b는 도 8a에 도시된 실린더가 일정 각도 회전이동된 상태를 도시한 도면.
도 9는 도 7에 도시된 D-D선을 기준으로 하는 단면구성을 개략적으로 도시한 도면.
도 10은 본 발명에 따른 바이폴라 카테타의 다른 실시예를 설명하기 위한 도면.
도 11은 병변 부위에 고주파 중첩부분과 미접촉부가 발생되는 상황을 예시적으로 도시한 도면.
20: 가이드부
30: 전극부
40: 구동부
50: 커넥터
11: 가이드레일
21: 하판
22: 본체
23: 구동모터
24: 출력단
25: 파지클립
31: 전극체
32: 절연커버
33: 고정홀더
34: 롤러부재
Claims (5)
- 베이스부;
상기 베이스부에 슬라이딩 가능하게 설치되며 회전구동력을 발생시키는 구동모터가 내장되는 가이드부;
상기 구동모터에 연동되어 회전되며, 병변부위로 삽입되어 병변부위를 소작하는 전극부; 및
상기 가이드부를 베이스부에서 전, 후 방향 슬라이딩 시키는 구동부;를 포함하는 것을 특징으로 하는 혈관 치료용 바이폴라 카테타. - 청구항 1에 있어서,
상기 가이드부는,
상기 베이스부의 상면에 접속되는 하판과 일체로 이루어지며 상기 구동모터가 내장되되, 전면으로 구동모터의 출력단이 노출되게 구성되는 본체; 및
상기 본체의 전방에 이격 배치되며 상기 전극부의 외주면을 파지하는 파지클립;을 포함하는 것을 특징으로 하는 혈관 치료용 바이폴라 카테타. - 청구항 2에 있어서,
상기 전극부는,
고주파 전류가 인가되며, 일단에는 고주파 전류에 의해 발열되는 전극팁이 형성되는 전극체;
내부로 상기 전극체를 수용하는 중공체로 이루어지되, 전극팁은 노출시키는 절연커버; 및
내부로 상기 절연커버의 타단 부위를 수용하는 중공체로 이루어지며, 상기 파지클립에 끼움 결합되는 고정홀더;를 포함하는 것을 특징으로 하는 혈관 치료용 바이폴라 카테타. - 청구항 3에 있어서,
상기 가이드부의 전, 후 방향 슬라이딩 되는 거리에 따라 병변부위로의 전극팁 삽입 깊이가 제어되는 것을 특징으로 하는 혈관 치료용 바이폴라 카테타. - 청구항 3에 있어서,
상기 전극팁의 외직경은 상기 절연커버의 내직경보다 작게 구성되는 것을 특징으로 하는 혈관 치료용 바이폴라 카테타.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200094438A KR102442172B1 (ko) | 2020-07-29 | 2020-07-29 | 혈관 치료용 바이폴라 카테타 |
PCT/KR2021/009775 WO2022025616A1 (ko) | 2020-07-29 | 2021-07-28 | 혈관 치료용 바이폴라 카테타 |
US18/160,585 US20230165637A1 (en) | 2020-07-29 | 2023-01-27 | Bipolar catheter for vascular treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200094438A KR102442172B1 (ko) | 2020-07-29 | 2020-07-29 | 혈관 치료용 바이폴라 카테타 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20220014621A true KR20220014621A (ko) | 2022-02-07 |
KR102442172B1 KR102442172B1 (ko) | 2022-09-08 |
Family
ID=80036558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020200094438A Active KR102442172B1 (ko) | 2020-07-29 | 2020-07-29 | 혈관 치료용 바이폴라 카테타 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20230165637A1 (ko) |
KR (1) | KR102442172B1 (ko) |
WO (1) | WO2022025616A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20250055198A (ko) * | 2023-10-17 | 2025-04-24 | 재단법인 아산사회복지재단 | 고주파 소작장치 |
CN117679148B (zh) * | 2024-02-02 | 2024-05-03 | 浙江伽奈维医疗科技有限公司 | 适用于影像引导下手术的长度可伸缩式消融针及电极针 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130128926A (ko) | 2012-05-18 | 2013-11-27 | (주) 태웅메디칼 | 고주파 열치료용 중첩형 바이폴라 전극 |
KR20170000663A (ko) * | 2015-06-24 | 2017-01-03 | 재단법인 아산사회복지재단 | 카테터 제어용 마스터 유닛 및 이를 포함하는 카테터 제어 시스템 |
KR101912745B1 (ko) * | 2018-07-19 | 2018-10-30 | 권승열 | 복합 카테터 |
KR20180138202A (ko) * | 2016-03-18 | 2018-12-28 | 로보카슈 | 세장형 가요성 의료기기의 삽입을 위한 로봇 및 부속 액세서리 |
KR20200018886A (ko) * | 2018-08-13 | 2020-02-21 | 광주과학기술원 | 의료용 카테터 모듈 장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040181219A1 (en) * | 2000-02-08 | 2004-09-16 | Gyrus Medical Limited | Electrosurgical instrument and an electrosugery system including such an instrument |
KR101133268B1 (ko) * | 2009-11-25 | 2012-04-06 | 고려대학교 산학협력단 | 카테터 원격 제어 시스템 |
-
2020
- 2020-07-29 KR KR1020200094438A patent/KR102442172B1/ko active Active
-
2021
- 2021-07-28 WO PCT/KR2021/009775 patent/WO2022025616A1/ko active Application Filing
-
2023
- 2023-01-27 US US18/160,585 patent/US20230165637A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130128926A (ko) | 2012-05-18 | 2013-11-27 | (주) 태웅메디칼 | 고주파 열치료용 중첩형 바이폴라 전극 |
KR20170000663A (ko) * | 2015-06-24 | 2017-01-03 | 재단법인 아산사회복지재단 | 카테터 제어용 마스터 유닛 및 이를 포함하는 카테터 제어 시스템 |
KR20180138202A (ko) * | 2016-03-18 | 2018-12-28 | 로보카슈 | 세장형 가요성 의료기기의 삽입을 위한 로봇 및 부속 액세서리 |
KR101912745B1 (ko) * | 2018-07-19 | 2018-10-30 | 권승열 | 복합 카테터 |
KR20200018886A (ko) * | 2018-08-13 | 2020-02-21 | 광주과학기술원 | 의료용 카테터 모듈 장치 |
Also Published As
Publication number | Publication date |
---|---|
US20230165637A1 (en) | 2023-06-01 |
WO2022025616A1 (ko) | 2022-02-03 |
KR102442172B1 (ko) | 2022-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6190382B1 (en) | Radio-frequency based catheter system for ablation of body tissues | |
US10828088B2 (en) | Radio frequency ablation device for the destruction of tissue masses | |
JP7075922B2 (ja) | 双極型組織切除装置及びその使用方法 | |
JP5320065B2 (ja) | 吸引式凝固プローブ | |
US7815637B2 (en) | Radio-frequency-based catheter system with improved deflection and steering mechanisms | |
JP6377613B2 (ja) | 可撓性のある拡張可能な電極及びパルスパワーを管腔内送達する方法 | |
US6106521A (en) | Apparatus for thermal treatment of tissue | |
US20230165637A1 (en) | Bipolar catheter for vascular treatment | |
WO2003011157A1 (en) | Catheter system and methods for repairing a valvular annulus | |
EP2667812A1 (en) | Ablation catheter equipped with a shape memory material | |
JP2014524788A (ja) | ステアリングカテーテルのシステムと方法 | |
JP2007500035A (ja) | 組織切除プローブの案内カテーテル | |
JP2022530792A (ja) | 電気外科システム | |
JPH11318926A (ja) | 高周波治療用処置具 | |
TW495354B (en) | Radio-frequency based co-axial cable and catheter system for ablation of body tissues | |
HK1037313B (en) | Radio-frequency based catheter system and hollow co-axial cable for ablation of body tissues |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20200729 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20220126 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20220818 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20220905 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20220905 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration |