CA2978890A1 - Contact sensing systems and methods - Google Patents

Contact sensing systems and methods

Info

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
Application number
CA2978890A
Other languages
English (en)
French (fr)
Inventor
Jessi E. Johnson
Dorin Panescu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Epix Therapeutics Inc
Original Assignee
Advanced Cardiac Therapeutics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advanced Cardiac Therapeutics Inc filed Critical Advanced Cardiac Therapeutics Inc
Publication of CA2978890A1 publication Critical patent/CA2978890A1/en
Abandoned legal-status Critical Current

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
    • 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)
CA2978890A 2015-03-25 2015-11-18 Contact sensing systems and methods Abandoned CA2978890A1 (en)

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) EP3750500B1 (https=)
JP (1) JP6962817B2 (https=)
AU (1) AU2015387440A1 (https=)
CA (1) CA2978890A1 (https=)
WO (1) WO2016153561A1 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
EP3614946B1 (en) * 2017-04-27 2024-03-20 EPiX Therapeutics, Inc. Determining nature of contact between catheter tip and tissue
CN111246816B (zh) 2017-10-24 2023-07-14 圣犹达医疗用品心脏病学部门有限公司 用于测量医疗设备的多个电极之间的阻抗的系统
US11389078B2 (en) * 2018-08-09 2022-07-19 Biosense Webster (Israel) Ltd. Reducing capacitance effects in active current location (ACL)
CN112804955B (zh) 2018-10-05 2024-10-11 Epix疗法公司 用于损伤形成评估和显示的系统
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
ES2949693T3 (es) * 2020-04-27 2023-10-02 Rob Surgical Systems Sl Sistema quirúrgico de percepción sensorial para la cirugía laparoscópica asistida por robot
US11864844B2 (en) * 2020-12-22 2024-01-09 Biosense Webster (Israel) Ltd. Distal end assembly guidance
JP7574462B2 (ja) * 2021-02-18 2024-10-28 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 接触クオリティシステムと方法
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69233091T2 (de) * 1991-11-08 2004-05-06 Boston Scientific Ltd., St. Michael Ablationselektrode mit isoliertem temperaturmesselement
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
US8369922B2 (en) * 2005-12-06 2013-02-05 St. Jude Medical Atrial Fibrillation Division, Inc. Method for displaying catheter electrode-tissue contact in electro-anatomic mapping and navigation system
WO2007070361A2 (en) * 2005-12-06 2007-06-21 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
US11562665B2 (en) * 2009-06-29 2023-01-24 Koninklijke Philips N.V. Tumor ablation training system
US8834388B2 (en) * 2010-04-30 2014-09-16 Medtronic Ablation Frontiers Llc Method and apparatus to regulate a tissue temperature
CN104023663B (zh) * 2011-12-29 2018-12-21 圣犹达医疗用品电生理部门有限公司 用于最优化耦合消融导管至身体组织以及评估由导管形成的损伤的系统
US9168004B2 (en) * 2012-08-20 2015-10-27 Biosense Webster (Israel) Ltd. Machine learning in determining catheter electrode contact
WO2016081650A1 (en) * 2014-11-19 2016-05-26 Advanced Cardiac Therapeutics, Inc. Ablation devices, systems and methods of using a high-resolution electrode assembly

Also Published As

Publication number Publication date
JP6962817B2 (ja) 2021-11-05
JP2018510709A (ja) 2018-04-19
EP3273855A1 (en) 2018-01-31
EP3273855A4 (en) 2018-12-05
EP3750500A1 (en) 2020-12-16
AU2015387440A1 (en) 2017-10-12
WO2016153561A1 (en) 2016-09-29
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