CA2978890A1 - Contact sensing systems and methods - Google Patents
Contact sensing systems and methodsInfo
- Publication number
- CA2978890A1 CA2978890A1 CA2978890A CA2978890A CA2978890A1 CA 2978890 A1 CA2978890 A1 CA 2978890A1 CA 2978890 A CA2978890 A CA 2978890A CA 2978890 A CA2978890 A CA 2978890A CA 2978890 A1 CA2978890 A1 CA 2978890A1
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- contact
- impedance
- khz
- electrode
- 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.)
- Abandoned
Links
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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
- 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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6885—Monitoring or controlling sensor contact pressure
-
- 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
- A61B2018/00297—Means for providing haptic feedback
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00827—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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00875—Resistance or impedance
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00892—Voltage
-
- 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
- A61B2018/128—Generators therefor generating two or more frequencies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
- A61B2090/065—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension for measuring contact or contact pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Cardiology (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562138338P | 2015-03-25 | 2015-03-25 | |
| US62/138,338 | 2015-03-25 | ||
| US201562195717P | 2015-07-22 | 2015-07-22 | |
| US62/195,717 | 2015-07-22 | ||
| US201562243289P | 2015-10-19 | 2015-10-19 | |
| US62/243,289 | 2015-10-19 | ||
| PCT/US2015/061311 WO2016153561A1 (en) | 2015-03-25 | 2015-11-18 | Contact sensing systems and methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2978890A1 true CA2978890A1 (en) | 2016-09-29 |
Family
ID=56978425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2978890A Abandoned CA2978890A1 (en) | 2015-03-25 | 2015-11-18 | Contact sensing systems and methods |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP3273855A4 (enExample) |
| JP (1) | JP6962817B2 (enExample) |
| AU (1) | AU2015387440A1 (enExample) |
| CA (1) | CA2978890A1 (enExample) |
| WO (1) | WO2016153561A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016081611A1 (en) | 2014-11-19 | 2016-05-26 | Advanced Cardiac Therapeutics, Inc. | High-resolution mapping of tissue with pacing |
| US9636164B2 (en) | 2015-03-25 | 2017-05-02 | Advanced Cardiac Therapeutics, Inc. | Contact sensing systems and methods |
| CN110809448B (zh) * | 2017-04-27 | 2022-11-25 | Epix疗法公司 | 确定导管尖端与组织之间接触的性质 |
| JP7025541B2 (ja) * | 2017-10-24 | 2022-02-24 | セント・ジュード・メディカル，カーディオロジー・ディヴィジョン，インコーポレイテッド | 医療デバイスの複数の電極間のインピーダンスを測定するためのシステム |
| US11389078B2 (en) * | 2018-08-09 | 2022-07-19 | Biosense Webster (Israel) Ltd. | Reducing capacitance effects in active current location (ACL) |
| US11642166B2 (en) | 2018-10-05 | 2023-05-09 | Epix Therapeutics, Inc. | Lesion formation assessment and display |
| EP3763289A1 (en) * | 2019-07-12 | 2021-01-13 | Koninklijke Philips N.V. | Estimating contact angle between a catheter and tissue, and associated devices, systems and methods |
| PL3903710T3 (pl) * | 2020-04-27 | 2023-09-04 | Rob Surgical Systems, Sl | Układ chirurgiczny z percepcją sensoryczną do chirurgii laparoskopowej wspomaganej robotem |
| JP2022152469A (ja) * | 2021-03-29 | 2022-10-12 | 吉野川電線株式会社 | 焼灼装置 |
| CN113456050B (zh) * | 2021-07-23 | 2023-12-19 | 芯海科技（深圳）股份有限公司 | 人体阻抗测量装置及人体阻抗测量方法 |
| US20240366295A1 (en) | 2021-07-26 | 2024-11-07 | Sigt, Llc | Tissue Ablation and Lesion Assessment System |
| WO2023052935A1 (en) * | 2021-09-29 | 2023-04-06 | Cilag Gmbh International | Surgical devices, systems, and methods for control of one visualization with another |
| CN115887909B (zh) * | 2022-11-29 | 2025-09-19 | 赛福凯尔(绍兴)医疗科技有限公司 | 一种用于抑制肿瘤细胞的可穿戴设备 |
| CN115998303B (zh) * | 2023-03-24 | 2023-06-16 | 中国医学科学院阜外医院 | 非接触式标测系统 |
| CN116807605B (zh) * | 2023-06-19 | 2024-10-22 | 上海方润医疗科技股份有限公司 | 一种参数灵活配置的射频消融电极及射频消融系统 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2106410C (en) * | 1991-11-08 | 2004-07-06 | Stuart D. Edwards | Ablation electrode with insulated temperature sensing elements |
| US5447529A (en) * | 1994-01-28 | 1995-09-05 | Philadelphia Heart Institute | Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation |
| US5944022A (en) * | 1997-04-28 | 1999-08-31 | American Cardiac Ablation Co. Inc. | Catheter positioning system |
| US6391024B1 (en) * | 1999-06-17 | 2002-05-21 | Cardiac Pacemakers, Inc. | RF ablation apparatus and method having electrode/tissue contact assessment scheme and electrocardiogram filtering |
| US20090030332A1 (en) * | 2005-01-26 | 2009-01-29 | Schecter Stuart O | microfabricated cardiac sensor with tactile feedback and method and apparatus for calibrating the same using a plurality of signals |
| US8998890B2 (en) * | 2005-12-06 | 2015-04-07 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Assessment of electrode coupling for tissue ablation |
| AU2006321918B2 (en) * | 2005-12-06 | 2011-08-25 | St. Jude Medical, Atrial Fibrillation Division Inc. | Assessment of electrode coupling for tissue ablation |
| US20080312521A1 (en) * | 2007-06-14 | 2008-12-18 | Solomon Edward G | System and method for determining electrode-tissue contact using phase difference |
| US8954161B2 (en) * | 2012-06-01 | 2015-02-10 | Advanced Cardiac Therapeutics, Inc. | Systems and methods for radiometrically measuring temperature and detecting tissue contact prior to and during tissue ablation |
| CN104246855B (zh) * | 2009-06-29 | 2017-08-15 | 皇家飞利浦电子股份有限公司 | 肿瘤消融培训系统 |
| US8834388B2 (en) * | 2010-04-30 | 2014-09-16 | Medtronic Ablation Frontiers Llc | Method and apparatus to regulate a tissue temperature |
| US10595937B2 (en) * | 2011-12-29 | 2020-03-24 | St. Jude Medical, Atrial Fibrillation Division, Inc. | System for optimized coupling of ablation catheters to body tissues and evaluation of lesions formed by the catheters |
| US9168004B2 (en) * | 2012-08-20 | 2015-10-27 | Biosense Webster (Israel) Ltd. | Machine learning in determining catheter electrode contact |
| SG11201703943VA (en) * | 2014-11-19 | 2017-06-29 | Advanced Cardiac Therapeutics Inc | Ablation devices, systems and methods of using a high-resolution electrode assembly |
-
2015
- 2015-11-18 EP EP15886706.9A patent/EP3273855A4/en not_active Withdrawn
- 2015-11-18 JP JP2017549525A patent/JP6962817B2/ja active Active
- 2015-11-18 CA CA2978890A patent/CA2978890A1/en not_active Abandoned
- 2015-11-18 WO PCT/US2015/061311 patent/WO2016153561A1/en not_active Ceased
- 2015-11-18 EP EP20171803.8A patent/EP3750500B1/en active Active
- 2015-11-18 AU AU2015387440A patent/AU2015387440A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015387440A1 (en) | 2017-10-12 |
| JP2018510709A (ja) | 2018-04-19 |
| JP6962817B2 (ja) | 2021-11-05 |
| EP3273855A1 (en) | 2018-01-31 |
| WO2016153561A1 (en) | 2016-09-29 |
| EP3750500A1 (en) | 2020-12-16 |
| EP3273855A4 (en) | 2018-12-05 |
| EP3750500B1 (en) | 2022-04-13 |
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| US12121291B2 (en) | Methods of determining catheter orientation | |
| US11642167B2 (en) | Electrode assembly with thermal shunt member | |
| WO2016081611A1 (en) | High-resolution mapping of tissue with pacing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20210831 |
|
| FZDE | Discontinued |
Effective date: 20210831 |