HK1125015A1 - Relative impedance measurement - Google Patents

Relative impedance measurement

Info

Publication number
HK1125015A1
HK1125015A1 HK09102829.4A HK09102829A HK1125015A1 HK 1125015 A1 HK1125015 A1 HK 1125015A1 HK 09102829 A HK09102829 A HK 09102829A HK 1125015 A1 HK1125015 A1 HK 1125015A1
Authority
HK
Hong Kong
Prior art keywords
impedance measurement
electrodes
surface electrodes
relative impedance
currents
Prior art date
Application number
HK09102829.4A
Other languages
English (en)
Inventor
Daniel Osadchy
Original Assignee
Biosense Webster 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 Biosense Webster Inc filed Critical Biosense Webster Inc
Publication of HK1125015A1 publication Critical patent/HK1125015A1/xx

Links

Classifications

    • 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 
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/063—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using impedance measurements
    • 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
    • A61B5/05—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
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2051—Electromagnetic tracking systems
    • A61B2034/2053—Tracking an applied voltage gradient

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Human Computer Interaction (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
HK09102829.4A 2005-07-08 2009-03-24 Relative impedance measurement HK1125015A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/177,861 US7848787B2 (en) 2005-07-08 2005-07-08 Relative impedance measurement

Publications (1)

Publication Number Publication Date
HK1125015A1 true HK1125015A1 (en) 2009-07-31

Family

ID=37460335

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09102829.4A HK1125015A1 (en) 2005-07-08 2009-03-24 Relative impedance measurement

Country Status (14)

Country Link
US (1) US7848787B2 (xx)
EP (4) EP1982651A1 (xx)
JP (1) JP5052832B2 (xx)
KR (1) KR20070006582A (xx)
CN (1) CN1895166B (xx)
AT (3) ATE490728T1 (xx)
AU (1) AU2006202909B2 (xx)
BR (1) BRPI0602648A (xx)
CA (2) CA2551201C (xx)
DE (2) DE602006018790D1 (xx)
ES (1) ES2345900T3 (xx)
HK (1) HK1125015A1 (xx)
IL (1) IL176650A (xx)
MX (1) MXPA06007836A (xx)

Families Citing this family (215)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7869865B2 (en) * 2005-01-07 2011-01-11 Biosense Webster, Inc. Current-based position sensing
US7848787B2 (en) * 2005-07-08 2010-12-07 Biosense Webster, Inc. Relative impedance measurement
US7536218B2 (en) * 2005-07-15 2009-05-19 Biosense Webster, Inc. Hybrid magnetic-based and impedance-based position sensing
TWI403387B (zh) * 2005-09-22 2013-08-01 Kuraray Co 高分子材料、由它得到之發泡體及使用它之研磨墊
US7962195B2 (en) * 2006-06-01 2011-06-14 Biosense Webster, Inc. Model-based correction of position measurements
US7515954B2 (en) * 2006-06-13 2009-04-07 Rhythmia Medical, Inc. Non-contact cardiac mapping, including moving catheter and multi-beat integration
US7729752B2 (en) * 2006-06-13 2010-06-01 Rhythmia Medical, Inc. Non-contact cardiac mapping, including resolution map
US7505810B2 (en) * 2006-06-13 2009-03-17 Rhythmia Medical, Inc. Non-contact cardiac mapping, including preprocessing
US20080190438A1 (en) * 2007-02-08 2008-08-14 Doron Harlev Impedance registration and catheter tracking
US8460189B2 (en) 2007-09-14 2013-06-11 Corventis, Inc. Adherent cardiac monitor with advanced sensing capabilities
WO2009036326A1 (en) * 2007-09-14 2009-03-19 Corventis, Inc. Adherent athletic monitor
US8897868B2 (en) 2007-09-14 2014-11-25 Medtronic, Inc. Medical device automatic start-up upon contact to patient tissue
EP2194847A1 (en) 2007-09-14 2010-06-16 Corventis, Inc. Adherent device with multiple physiological sensors
US20090076343A1 (en) * 2007-09-14 2009-03-19 Corventis, Inc. Energy Management for Adherent Patient Monitor
US8684925B2 (en) 2007-09-14 2014-04-01 Corventis, Inc. Injectable device for physiological monitoring
WO2009036319A1 (en) * 2007-09-14 2009-03-19 Corventis, Inc. Adherent emergency patient monitor
WO2009036327A1 (en) 2007-09-14 2009-03-19 Corventis, Inc. Adherent device for respiratory monitoring and sleep disordered breathing
EP2194864B1 (en) 2007-09-14 2018-08-29 Medtronic Monitoring, Inc. System and methods for wireless body fluid monitoring
EP2195076A4 (en) * 2007-09-14 2014-12-31 Corventis Inc ADHERENT DEVICE FOR THE MANAGEMENT OF HEART RATE
US8103327B2 (en) 2007-12-28 2012-01-24 Rhythmia Medical, Inc. Cardiac mapping catheter
US8364277B2 (en) * 2008-01-10 2013-01-29 Bioness Inc. Methods and apparatus for implanting electronic implants within the body
WO2009114548A1 (en) 2008-03-12 2009-09-17 Corventis, Inc. Heart failure decompensation prediction based on cardiac rhythm
US8538509B2 (en) 2008-04-02 2013-09-17 Rhythmia Medical, Inc. Intracardiac tracking system
US8663120B2 (en) 2008-04-18 2014-03-04 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
US8260395B2 (en) 2008-04-18 2012-09-04 Medtronic, Inc. Method and apparatus for mapping a structure
US8532734B2 (en) 2008-04-18 2013-09-10 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
US8494608B2 (en) 2008-04-18 2013-07-23 Medtronic, Inc. Method and apparatus for mapping a structure
US8839798B2 (en) 2008-04-18 2014-09-23 Medtronic, Inc. System and method for determining sheath location
WO2009146214A1 (en) 2008-04-18 2009-12-03 Corventis, Inc. Method and apparatus to measure bioelectric impedance of patient tissue
US9014778B2 (en) * 2008-06-24 2015-04-21 Biosense Webster, Inc. Disposable patch and reusable sensor assembly for use in medical device localization and mapping systems
US20100191310A1 (en) * 2008-07-29 2010-07-29 Corventis, Inc. Communication-Anchor Loop For Injectable Device
US8456182B2 (en) * 2008-09-30 2013-06-04 Biosense Webster, Inc. Current localization tracker
US9023027B2 (en) 2008-09-30 2015-05-05 Biosense Webster (Israel), Ltd. Current localization tracker
US8137343B2 (en) 2008-10-27 2012-03-20 Rhythmia Medical, Inc. Tracking system using field mapping
US8400164B2 (en) * 2008-11-12 2013-03-19 Biosense Webster, Inc. Calibration and compensation for errors in position measurement
US7996085B2 (en) * 2008-11-12 2011-08-09 Biosense Webster, Inc. Isolation of sensing circuit from pace generator
US8478379B2 (en) * 2008-11-12 2013-07-02 Biosense Webster, Inc. Probe visualization based on mechanical properties
US8175681B2 (en) 2008-12-16 2012-05-08 Medtronic Navigation Inc. Combination of electromagnetic and electropotential localization
US9398862B2 (en) 2009-04-23 2016-07-26 Rhythmia Medical, Inc. Multi-electrode mapping system
US8571647B2 (en) 2009-05-08 2013-10-29 Rhythmia Medical, Inc. Impedance based anatomy generation
US8103338B2 (en) 2009-05-08 2012-01-24 Rhythmia Medical, Inc. Impedance based anatomy generation
US8494613B2 (en) 2009-08-31 2013-07-23 Medtronic, Inc. Combination localization system
US8494614B2 (en) 2009-08-31 2013-07-23 Regents Of The University Of Minnesota Combination localization system
US8790259B2 (en) 2009-10-22 2014-07-29 Corventis, Inc. Method and apparatus for remote detection and monitoring of functional chronotropic incompetence
US8355774B2 (en) 2009-10-30 2013-01-15 Medtronic, Inc. System and method to evaluate electrode position and spacing
US8583215B2 (en) 2009-11-05 2013-11-12 Biosense Webster (Israel) Ltd. Reduction of catheter electrode loading
US10624553B2 (en) * 2009-12-08 2020-04-21 Biosense Webster (Israel), Ltd. Probe data mapping using contact information
US9451897B2 (en) 2009-12-14 2016-09-27 Medtronic Monitoring, Inc. Body adherent patch with electronics for physiologic monitoring
US8965498B2 (en) 2010-04-05 2015-02-24 Corventis, Inc. Method and apparatus for personalized physiologic parameters
US9131869B2 (en) 2010-05-11 2015-09-15 Rhythmia Medical, Inc. Tracking using field mapping
US9039687B2 (en) 2010-10-28 2015-05-26 Medtronic Ablation Frontiers Llc Reactance changes to identify and evaluate cryo ablation lesions
US8478383B2 (en) * 2010-12-14 2013-07-02 Biosense Webster (Israel), Ltd. Probe tracking using multiple tracking methods
US9113807B2 (en) * 2010-12-29 2015-08-25 St. Jude Medical, Atrial Fibrillation Division, Inc. Dynamic adaptive respiration compensation with automatic gain control
US9414770B2 (en) 2010-12-29 2016-08-16 Biosense Webster (Israel) Ltd. Respiratory effect reduction in catheter position sensing
US8428700B2 (en) 2011-01-13 2013-04-23 Rhythmia Medical, Inc. Electroanatomical mapping
US9002442B2 (en) 2011-01-13 2015-04-07 Rhythmia Medical, Inc. Beat alignment and selection for cardiac mapping
US9113824B2 (en) 2011-01-31 2015-08-25 Biosense Webster (Israel), Ltd. Compensation for respiratory motion
US8900228B2 (en) * 2011-09-01 2014-12-02 Biosense Webster (Israel) Ltd. Catheter adapted for direct tissue contact and pressure sensing
EP2793696B1 (en) 2011-12-23 2016-03-09 Cardiac Pacemakers, Inc. Physiological status indicator apparatus
US20130310673A1 (en) 2012-05-17 2013-11-21 Assaf Govari Guide wire with position sensing electrodes
JP6240751B2 (ja) 2013-05-06 2017-11-29 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． リアルタイム又はプレイバック電気生理学的データ視覚化中の直近の心拍特性の持続的表示のための解剖学的マッピングシステム
EP2996550B1 (en) 2013-05-14 2019-07-31 Boston Scientific Scimed Inc. Representation and identification of activity patterns during electro-physiology mapping using vector fields
WO2015057521A1 (en) 2013-10-14 2015-04-23 Boston Scientific Scimed, Inc. High resolution cardiac mapping electrode array catheter
US11103174B2 (en) 2013-11-13 2021-08-31 Biosense Webster (Israel) Ltd. Reverse ECG mapping
US9629570B2 (en) 2013-11-21 2017-04-25 Biosense Webster (Israel) Ltd. Tracking of catheter from insertion point to heart using impedance measurements
JP2017522923A (ja) 2014-06-03 2017-08-17 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． 非外傷性の遠位チップを備えた電極アセンブリ
JP2017516588A (ja) 2014-06-04 2017-06-22 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． 電極組立体
EP3282995B1 (en) 2015-06-19 2019-04-24 St. Jude Medical, Cardiology Division, Inc. Electromagnetic dynamic registration for device navigation
JP6656271B2 (ja) 2015-06-19 2020-03-04 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 インピーダンス・シフトおよびドリフトの検出および補正
US10758144B2 (en) 2015-08-20 2020-09-01 Boston Scientific Scimed Inc. Flexible electrode for cardiac sensing and method for making
US11033201B2 (en) * 2015-09-04 2021-06-15 Biosense Webster (Israel) Ltd. Inconsistent field-based patch location coordinate correction
EP3352648B1 (en) 2015-09-26 2022-10-26 Boston Scientific Scimed Inc. Multiple rhythm template monitoring
EP3353753A1 (en) 2015-09-26 2018-08-01 Boston Scientific Scimed Inc. Systems and methods for anatomical shell editing
US10405766B2 (en) 2015-09-26 2019-09-10 Boston Scientific Scimed, Inc. Method of exploring or mapping internal cardiac structures
EP3352662B1 (en) 2015-09-26 2019-08-14 Boston Scientific Scimed Inc. Intracardiac egm signals for beat matching and acceptance
US10350423B2 (en) 2016-02-04 2019-07-16 Cardiac Pacemakers, Inc. Delivery system with force sensor for leadless cardiac device
US11147610B2 (en) 2017-02-10 2021-10-19 Biosense Webster (Israel) Ltd. Tissue thickness using pulsed power
US10456056B2 (en) 2017-06-21 2019-10-29 Biosense Webster (Israel) Ltd. Combination torso vest to map cardiac electrophysiology
US10751121B2 (en) 2017-06-29 2020-08-25 Biosense Webster (Israel) Ltd. Ultrasound transducers on predetermined radii of balloon catheter
US11304603B2 (en) 2017-08-21 2022-04-19 Biosense Webster (Israel) Ltd. Advanced current location (ACL) automatic map rotation to detect holes in current position map (CPM) mapping
US10682181B2 (en) 2017-09-06 2020-06-16 Biosense Webster (Israel) Ltd. Methods and systems for modeling and registration of 3-dimensional images of the heart
US10441188B2 (en) 2017-09-12 2019-10-15 Biosense Webster (Israel) Ltd. Automatic display of earliest LAT point
US10595938B2 (en) 2017-12-13 2020-03-24 Biosense Webster (Israel) Ltd. Estimating cardiac catheter proximity to the esophagus
US11135008B2 (en) 2017-12-13 2021-10-05 Biosense Webster (Israel) Ltd. Graphical user interface (GUI) for displaying estimated cardiac catheter proximity to the esophagus
US10575746B2 (en) 2017-12-14 2020-03-03 Biosense Webster (Israel) Ltd. Epicardial mapping
US10918310B2 (en) 2018-01-03 2021-02-16 Biosense Webster (Israel) Ltd. Fast anatomical mapping (FAM) using volume filling
JP6991572B2 (ja) * 2018-01-18 2022-01-12 国立大学法人 東京大学 人工三次元組織のバリア機能測定システム、人工三次元組織のバリア機能測定方法及び人工三次元組織を用いた薬剤評価方法
US20190307511A1 (en) 2018-04-10 2019-10-10 Biosense Webster (Israel) Ltd. Catheter localization using fiber optic shape sensing combined with current location
US10722141B2 (en) 2018-04-30 2020-07-28 Biosense Webster (Israel) Ltd. Active voltage location (AVL) resolution
US20190350489A1 (en) 2018-05-21 2019-11-21 Biosense Webster (Israel) Ltd. Scaling impedance location measurements of a balloon catheter
US11877840B2 (en) 2018-05-29 2024-01-23 Biosense Webster (Israel) Ltd. Catheter localization using current location combined with magnetic-field sensing
US11185274B2 (en) 2018-06-18 2021-11-30 Biosense Webster (Israel) Ltd. Identifying orthogonal sets of active current location (ACL) patches
US20200038638A1 (en) 2018-08-06 2020-02-06 Biosense Webster (Israel) Ltd. Balloon positioning using magnetic resonance imaging (mri) blood flow measurements
US11399735B2 (en) 2018-08-09 2022-08-02 Biosense Webster (Israel) Ltd. Nonlinear electric field location system
US11389078B2 (en) 2018-08-09 2022-07-19 Biosense Webster (Israel) Ltd. Reducing capacitance effects in active current location (ACL)
US10952637B2 (en) 2018-09-25 2021-03-23 Biosense Webster (Israel) Ltd. Radiofrequency (RF) transmission system to find tissue proximity
EP3860484A1 (en) * 2018-10-05 2021-08-11 EPiX Therapeutics, Inc. Lesion formation assessment and display
US11596324B2 (en) 2018-10-25 2023-03-07 Biosense Webster (Israel) Ltd. Combined active current location (ACL) and tissue proximity indication (TPI) system
US11452484B2 (en) 2018-10-25 2022-09-27 Biosense Webster (Israel) Ltd. Electrodes on double-sided printed circuit board (PCB) to cancel far-held signal
US10726588B2 (en) 2018-10-31 2020-07-28 Biosense Webster (Israel) Ltd. Magnetic resonance imaging (MRI) image filtration according to different cardiac rhythms
US11246505B2 (en) 2018-11-01 2022-02-15 Biosense Webster (Israel) Ltd. Using radiofrequency (RF) transmission system to find opening in tissue wall
US11918334B2 (en) * 2018-11-07 2024-03-05 St Jude Medical International Holding, Sa.R.L. Impedance transformation model for estimating catheter locations
US11213235B2 (en) 2018-12-04 2022-01-04 Biosense Webster (Israel) Ltd. Coronary sinus (CS) catheter movement detection
US11324556B2 (en) 2018-12-11 2022-05-10 Biosense Webster (Israel) Ltd. Combining catheter visualization from different coordinate frames
US11457995B2 (en) 2018-12-27 2022-10-04 Biosense Webster (Israel) Ltd. Accurate balloon computation and visualization
US11826088B2 (en) 2018-12-28 2023-11-28 Biosense Webster (Israel) Ltd. Adjusting phases of multiphase ablation generator to detect contact
IL272254B2 (en) 2019-02-15 2023-04-01 Biosense Webster Israel Ltd Catheter for insertion through the esophagus with a carbon dioxide transfer system for thermal protection of the esophagus
US11642172B2 (en) 2019-03-05 2023-05-09 Biosense Webster (Israel) Ltd. Showing catheter in brain
US11850051B2 (en) 2019-04-30 2023-12-26 Biosense Webster (Israel) Ltd. Mapping grid with high density electrode array
US11426126B2 (en) 2019-05-23 2022-08-30 Biosense Webster (Israel) Ltd. Indicating electrode contact
US20200375492A1 (en) 2019-05-28 2020-12-03 Biosense Webster (Israel) Ltd. Brain signal tracking
US20200375461A1 (en) 2019-05-28 2020-12-03 Biosense Webster (Israel) Ltd. Flexible brain probe over guidewire
US20200397338A1 (en) 2019-06-19 2020-12-24 Biosense Webster (Israel) Ltd. Multi-Arm Probe Rendering
US20210045805A1 (en) 2019-08-15 2021-02-18 Biosense Webster (Israel) Ltd. Dynamic ablation and sensing according to contact of segmented electrodes
US20210059743A1 (en) 2019-08-27 2021-03-04 Biosense Webster (Israel) Ltd. Estimation of Electrode-Tissue Contact Using Stem and Edge Electrodes
US11918298B2 (en) 2019-09-12 2024-03-05 Biosense Webster (Israel) Ltd. Very narrow probe with coil
US11432754B2 (en) 2019-09-24 2022-09-06 Biosense Webster (Israel) Ltd. Intracardiac electrocardiogram presentation
US11633228B2 (en) 2019-10-04 2023-04-25 Biosense Webster (Israel) Ltd. Identifying pulmonary vein occlusion by dimension deformations of balloon catheter
US11633229B2 (en) 2019-10-07 2023-04-25 Biosense Webster (Israel) Ltd. 3D electrical activity representation
US11541212B2 (en) 2019-10-18 2023-01-03 Biosense Wester (Israel) Ltd. Verifying proper withdrawal of catheter into sheath
US20210162210A1 (en) 2019-12-03 2021-06-03 Biosense Webster (Israel) Ltd. Using reversible electroporation on cardiac tissue
KR20210071607A (ko) * 2019-12-06 2021-06-16 삼성전자주식회사 가이드 정보를 제공하기 위한 전자 장치
US11931182B2 (en) 2019-12-09 2024-03-19 Biosense Webster (Israel) Ltd. Catheter with plurality of sensing electrodes used as ablation electrode
US11950930B2 (en) 2019-12-12 2024-04-09 Biosense Webster (Israel) Ltd. Multi-dimensional acquisition of bipolar signals from a catheter
US11998265B2 (en) 2019-12-23 2024-06-04 Biosense Webster (Israel) Ltd. Respiration control during cardiac ablation
US20210187242A1 (en) 2019-12-23 2021-06-24 Ethicon, Inc. Fluid Delivery System for Creating Separation Between Biological Surfaces
US20210186601A1 (en) 2019-12-23 2021-06-24 Ethicon, Inc. Transesophageal Catheter for Thermal Protection of the Esophagus
US20210186642A1 (en) 2019-12-23 2021-06-24 Ethicon, Inc. Esophageal Protection Pathways
US11006902B1 (en) 2019-12-23 2021-05-18 Biosense Webster (Israel) Ltd. GUI for selective operation of multi-electrode catheters
US11484367B2 (en) 2019-12-27 2022-11-01 Biosense Webster (Israel) Ltd. Device and method of determining location of sheath using electromagnetic sensors on sheath
US11730414B2 (en) 2020-01-21 2023-08-22 Biosense Webster (Israel) Ltd. Automatic pattern acquisition
US20210278936A1 (en) 2020-03-09 2021-09-09 Biosense Webster (Israel) Ltd. Electrophysiological user interface
US20210290094A1 (en) 2020-03-23 2021-09-23 Biosense Webster (Israel) Ltd. Pacing induced electrical activation grading
US20210345902A1 (en) 2020-05-05 2021-11-11 Biosense Webster (Israel) Ltd. Catheter shape and position detection using flexible magnetic sensor
EP3915477A1 (en) 2020-05-29 2021-12-01 Biosense Webster (Israel) Ltd Electrode apparatus for diagnosis of arrhythmias
US20210369338A1 (en) 2020-06-01 2021-12-02 Biosense Webster (Israel) Ltd. Application of irreversible electroporation (ire) ablation using catheter with electrode array
US11794004B2 (en) 2020-06-10 2023-10-24 Biosense Webster (Israel) Ltd. Electroporation with cooling
US20220008123A1 (en) 2020-07-13 2022-01-13 Biosense Webster (Israel) Ltd. Sequential activation of electrode-pairs during irreversible electroporation (ire)
US20220096150A1 (en) 2020-09-28 2022-03-31 Biosense Webster (Israel) Ltd. Displaying Indications of Mutual Distances Among Electrodes of a Flexible Ablation Catheter
US11918281B2 (en) 2020-10-07 2024-03-05 Biosense Webster (Israel) Ltd. Folding fan catheter with electrodes
US20220117656A1 (en) 2020-10-15 2022-04-21 Biosense Webster (Israel) Ltd. Determining shape of expandable distal member of a catheter
US20220183748A1 (en) 2020-12-16 2022-06-16 Biosense Webster (Israel) Ltd. Accurate tissue proximity
US11864844B2 (en) 2020-12-22 2024-01-09 Biosense Webster (Israel) Ltd. Distal end assembly guidance
EP4079243A1 (en) * 2021-04-23 2022-10-26 Koninklijke Philips N.V. Sensing for a catheter
US20220369968A1 (en) 2021-05-19 2022-11-24 Biosense Webster (Israel) Ltd. Catheter with blood o2/co2 concentration measurement
US20220387099A1 (en) 2021-06-07 2022-12-08 Biosense Webster (Israel) Ltd. Automatic anatomical feature identification and map segmentation
US20220387100A1 (en) 2021-06-07 2022-12-08 Biosense Webster (Israel) Ltd. Bipolar electrode pair selection
US20220395214A1 (en) 2021-06-09 2022-12-15 Biosense Webster (Israel) Ltd. Wave propagation control enhancement
US20220395321A1 (en) 2021-06-10 2022-12-15 Biosense Webster (Israel) Ltd. Follow wave propagation
WO2022264011A1 (en) 2021-06-14 2022-12-22 Ethicon, Inc. Catheter with carbon dioxide delivery system and methods
US20230008606A1 (en) 2021-07-06 2023-01-12 Biosense Webster (Israel) Ltd. Contact assessment for balloon catheter
US20230051310A1 (en) 2021-08-16 2023-02-16 Biosense Webster (Israel) Ltd. Phrenic nerve warning
US20230112251A1 (en) 2021-10-08 2023-04-13 Biosense Webster (Israel) Ltd. Measuring tissue proximity for multi-electrode catheter
US20230146716A1 (en) 2021-10-14 2023-05-11 Biosense Webster (Israel) Ltd. Digital twin of atria for atrial fibrillation patients
US20230120856A1 (en) 2021-10-14 2023-04-20 Biosense Webster (Israel) Ltd. High frequency unipolar electroporation ablation
US20230149069A1 (en) 2021-11-16 2023-05-18 Biosense Webster (Israel) Ltd. Planar catheter with overlapping electrode pairs
US20230157569A1 (en) 2021-11-22 2023-05-25 Biosense Webster (Israel) Ltd. Mapping System with Real Time Electrogram Overlay
US20230157616A1 (en) 2021-11-22 2023-05-25 Biosense Webster (Israel) Ltd. Transient Event Identification
US20230172512A1 (en) 2021-12-06 2023-06-08 Biosense Webster (Israel) Ltd. Catheter connection configuration system
WO2023105493A1 (en) 2021-12-10 2023-06-15 Biosense Webster (Israel) Ltd. Cardiac vein ablation visualization system and catheter
WO2023111798A1 (en) 2021-12-13 2023-06-22 Biosense Webster (Israel) Ltd. Intracardiac unipolar far field cancelation using multiple electrode catheters
US20230190366A1 (en) 2021-12-17 2023-06-22 Biosense Webster (Israel) Ltd. High-frequency tissue ablation using coated electrodes
US20230210437A1 (en) 2021-12-30 2023-07-06 Biosense Webster (Israel) Ltd. Intuitive Mapping System
US20230210592A1 (en) 2021-12-30 2023-07-06 Biosense Webster (Israel) Ltd. Dual balloons for pulmonary vein isolation
US20230210433A1 (en) 2021-12-31 2023-07-06 Biosense Webster (Israel) Ltd. Reconfigurable electrode apparatus for diagnosis of arrhythmias
US20230263452A1 (en) 2022-02-22 2023-08-24 Biosense Webster (Israel) Ltd. Automatic storage and display of ecg signals indicative of atrial fibrillation
US20230309853A1 (en) 2022-03-31 2023-10-05 Biosense Webster (Israel) Ltd. Noise in electro-anatomic signals
US20230329678A1 (en) 2022-04-14 2023-10-19 Biosense Webster (Israel) Ltd. Augmented ultrasonic images
US20230346465A1 (en) 2022-04-28 2023-11-02 Biosense Webster (Israel) Ltd. Irrigation hub for an ablation catheter
US20240020926A1 (en) 2022-07-14 2024-01-18 Biosense Webster (Israel) Ltd. Correcting a segmentation curve in an anatomical model
US20240050017A1 (en) 2022-08-10 2024-02-15 Biosense Webster (Israel) Ltd. Visualizing and Clustering Multiple Electrodes of a High-Definition Catheter Projected on Tissue Surface
EP4338695A1 (en) 2022-09-11 2024-03-20 Biosense Webster (Israel) Ltd. System for combined ablation modalities
US20240108402A1 (en) 2022-10-03 2024-04-04 Biosense Webster (Israel) Ltd. Seamless switching between different modes of tissue ablation
US20240115312A1 (en) 2022-10-04 2024-04-11 Biosense Webster (Israel) Ltd. Detection of electrophysiological (ep) conduction gaps in ablation line
US20240122639A1 (en) 2022-10-18 2024-04-18 Biosense Webster (Israel) Ltd. Displaying a transition zone between heart chambers
IL307780A (en) 2022-10-24 2024-05-01 Biosense Webster Israel Ltd Position tracking for pulsed field ablation
US20240138906A1 (en) 2022-10-28 2024-05-02 Biosense Webster (Israel) Ltd. Alignment Aid for Ablation Procedures
US20240156524A1 (en) 2022-11-11 2024-05-16 Biosense Webster (Israel) Ltd. Electrode catheter with corrugated support structure
US20240156530A1 (en) 2022-11-16 2024-05-16 Biosense Webster (Israel) Ltd. Method and system for analysis and presentation of distances between ablation points
US20240164693A1 (en) 2022-11-22 2024-05-23 Biosense Webster (Israel) Ltd. Focal arrhythmia source finder using directed graphs
US20240164686A1 (en) 2022-11-22 2024-05-23 Biosense Webster (Israel) Ltd. Three-dimensional display of a multi-electrode catheter and signals acquired over time
US20240173016A1 (en) 2022-11-29 2024-05-30 Biosense Webster (Israel) Ltd. Assessment of tissue ablation using intracardiac ultrasound catheter
WO2024116025A1 (en) 2022-12-01 2024-06-06 Biosense Webster (Israel) Ltd. Point of interest (poi) map for cardiac arrhythmia diagnosis
US20240181215A1 (en) 2022-12-05 2024-06-06 Biosense Webster (Israel) Ltd. Catheter shaft grip apparatus
US20240180615A1 (en) 2022-12-06 2024-06-06 Biosense Webster (Israel) Ltd. Electrodes for basket catheters
US20240189021A1 (en) 2022-12-07 2024-06-13 Biosense Webster (Israel) Ltd. Pulsed field ablation synchronization
US20240189023A1 (en) 2022-12-09 2024-06-13 Biosense Webster (Israel) Ltd. Force sensors for basket catheters
US20240203035A1 (en) 2022-12-14 2024-06-20 Biosense Webster (Israel) Ltd. Using signed distance functions to visualize pulsed field ablation (pfa) tags
US20240197233A1 (en) 2022-12-14 2024-06-20 Biosense Webster (Israel) Ltd. Identifying and indicating cardiac areas exhibiting progressively slowing activation (psa)
US20240197231A1 (en) 2022-12-15 2024-06-20 Biosense Webster (Israel) Ltd. Catheter end effector with woven flex circuit
US20240197234A1 (en) 2022-12-15 2024-06-20 Biosense Webster (Israel) Ltd. Identifying focal sources of arrhythmia with multi electrode catheter
US20240197389A1 (en) 2022-12-16 2024-06-20 Biosense Webster (Israel) Ltd. Catheter with pull ring coupler
US20240197254A1 (en) 2022-12-16 2024-06-20 Biosense Webster (Israel) Ltd. Single Sensor for Position and Tissue Proximity Indication
US20240197392A1 (en) 2022-12-20 2024-06-20 Biosense Webster (Israel) Ltd. Multi-electrode basket end effector of a catheter
US20240206792A1 (en) 2022-12-21 2024-06-27 Biosense Webster (Israel) Ltd. Detecting local activation source in atrial fibrillation
US20240206906A1 (en) 2022-12-23 2024-06-27 Biosense Webster (Israel) Ltd. Recommending transseptal needle curvature based on anatomy
US20240206943A1 (en) 2022-12-27 2024-06-27 Biosense Webster (Israel) Ltd. Ablation pulse generator with parallel power bank
US20240206965A1 (en) 2022-12-27 2024-06-27 Biosense Webster (Israel) Ltd. Deformed spine electrode basket and methods of the same
US20240206961A1 (en) 2022-12-27 2024-06-27 Biosense Webster (Israel) Ltd. Precise irrigation rate for ablation catheter
US20240206761A1 (en) 2022-12-27 2024-06-27 Biosense Webster (Israel) Ltd. Systems and methods for mapping tissue contact via triangulation
US20240206978A1 (en) 2022-12-27 2024-06-27 Biosense Webster (Israel) Ltd. Electrophysiology mapping using catheter splines deflection modeling
EP4393401A2 (en) 2022-12-28 2024-07-03 Biosense Webster (Israel) Ltd. Method and system for displaying ecg signals from multiple channels
DE202023102294U1 (de) 2022-12-28 2024-04-09 Biosense Webster (Israel) Ltd. Korbendeffektor mit distalem Positionssensor
EP4393433A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Basket catheters with compatible irrigation and staggered electrodes
EP4393429A2 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Fractal cylindrical cage systems and methods for distributed tissue contact for mapping and ablation
EP4393400A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Systems and methods for cylindrical cage mapping and ablation catheters having integrated electrodes
EP4393390A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Tilt detection for a basket catheter
EP4393427A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Cylindrical cage systems and methods for distributed tissue contact for mapping and ablation
EP4393434A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Basket catheter with combination of spine structures
EP4393430A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Systems and methods for cylindrical cage mapping and ablation catheters having flexible circuits
EP4393428A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Contact force sensors for basket catheters and methods of using thereof
EP4393377A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Cage deformation modeling
EP4393392A1 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Catheter with distal tilt detection
EP4393432A2 (en) 2022-12-29 2024-07-03 Biosense Webster (Israel) Ltd. Ablation catheter with expandable woven mesh having electrically conductive strands
EP4393438A2 (en) 2022-12-30 2024-07-03 Biosense Webster (Israel) Ltd. Position and force sensors for catheters

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642570A (en) 1983-03-25 1987-02-10 Conoco Inc. Method and apparatus for complex resistivity measurements with elimination of electromagnetic coupling effects
US5365461A (en) 1992-04-30 1994-11-15 Microtouch Systems, Inc. Position sensing computer input device
US5341807A (en) 1992-06-30 1994-08-30 American Cardiac Ablation Co., Inc. Ablation catheter positioning system
JPH0779996A (ja) * 1993-08-20 1995-03-28 Ep Technol Inc 組織のインピーダンスをモニタしながら組織を切除する装置及び方法
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
US5598848A (en) 1994-03-31 1997-02-04 Ep Technologies, Inc. Systems and methods for positioning multiple electrode structures in electrical contact with the myocardium
US5941251A (en) 1994-10-11 1999-08-24 Ep Technologies, Inc. Systems for locating and guiding operative elements within interior body regions
US5876336A (en) 1994-10-11 1999-03-02 Ep Technologies, Inc. Systems and methods for guiding movable electrode elements within multiple-electrode structure
US5697377A (en) * 1995-11-22 1997-12-16 Medtronic, Inc. Catheter mapping system and method
SE9603314D0 (sv) 1996-09-12 1996-09-12 Siemens Elema Ab Förfarande och anordning för att bestämma läget hos en kateter inuti kroppen hos en patient
US5944022A (en) 1997-04-28 1999-08-31 American Cardiac Ablation Co. Inc. Catheter positioning system
US6050267A (en) * 1997-04-28 2000-04-18 American Cardiac Ablation Co. Inc. Catheter positioning system
US5836990A (en) 1997-09-19 1998-11-17 Medtronic, Inc. Method and apparatus for determining electrode/tissue contact
US6471693B1 (en) 1999-09-10 2002-10-29 Cryocath Technologies Inc. Catheter and system for monitoring tissue contact
US6546270B1 (en) * 2000-07-07 2003-04-08 Biosense, Inc. Multi-electrode catheter, system and method
US6569160B1 (en) 2000-07-07 2003-05-27 Biosense, Inc. System and method for detecting electrode-tissue contact
US6636754B1 (en) * 2000-07-10 2003-10-21 Cardiodynamics International Corporation Apparatus and method for determining cardiac output in a living subject
US6714806B2 (en) 2000-09-20 2004-03-30 Medtronic, Inc. System and method for determining tissue contact of an implantable medical device within a body
US6740080B2 (en) 2001-08-31 2004-05-25 Cardiac Pacemakers, Inc. Ablation system with selectable current path means
US7171258B2 (en) * 2003-06-25 2007-01-30 Cardiac Pacemakers, Inc. Method and apparatus for trending a physiological cardiac parameter
CN1543912A (zh) * 2003-11-18 2004-11-10 华中科技大学 一种生物组织多频率阻抗测量方法及其装置
US7848787B2 (en) * 2005-07-08 2010-12-07 Biosense Webster, Inc. Relative impedance measurement

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EP2233070A1 (en) 2010-09-29
CA2859340A1 (en) 2007-01-08
CN1895166B (zh) 2010-06-23
DE602006015128D1 (de) 2010-08-12
IL176650A0 (en) 2006-10-31
DE602006018790D1 (de) 2011-01-20
ATE490728T1 (de) 2010-12-15
EP1743573B1 (en) 2010-06-30
CA2551201A1 (en) 2007-01-08
EP1982651A1 (en) 2008-10-22
CN1895166A (zh) 2007-01-17
AU2006202909A1 (en) 2007-01-25
KR20070006582A (ko) 2007-01-11
US7848787B2 (en) 2010-12-07
EP1974664A1 (en) 2008-10-01
BRPI0602648A (pt) 2007-05-22
EP1743573A3 (en) 2007-07-25
ES2345900T3 (es) 2010-10-05
IL176650A (en) 2012-07-31
US20070038078A1 (en) 2007-02-15
CA2859340C (en) 2016-10-11
ATE545366T1 (de) 2012-03-15
JP2007014786A (ja) 2007-01-25
EP1743573A2 (en) 2007-01-17
JP5052832B2 (ja) 2012-10-17
EP1974664B1 (en) 2010-12-08
ATE472293T1 (de) 2010-07-15
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AU2006202909B2 (en) 2011-04-28
MXPA06007836A (es) 2007-01-26

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