CA2276755A1 - Branched structures for supporting multiple electrode elements - Google Patents

Branched structures for supporting multiple electrode elements Download PDF

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Publication number
CA2276755A1
CA2276755A1 CA002276755A CA2276755A CA2276755A1 CA 2276755 A1 CA2276755 A1 CA 2276755A1 CA 002276755 A CA002276755 A CA 002276755A CA 2276755 A CA2276755 A CA 2276755A CA 2276755 A1 CA2276755 A1 CA 2276755A1
Authority
CA
Canada
Prior art keywords
branch
electrode elements
supporting multiple
multiple electrode
branched structures
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
Application number
CA002276755A
Other languages
French (fr)
Other versions
CA2276755C (en
Inventor
James G. Whayne
Russell B. Thompson
David K. Swanson
Yi Yang
Sidney D. Fleischman
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.)
Boston Scientific Ltd Barbados
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2276755A1 publication Critical patent/CA2276755A1/en
Application granted granted Critical
Publication of CA2276755C publication Critical patent/CA2276755C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053Mechanical features of the instrument of device
    • A61B2018/00059Material properties
    • A61B2018/00065Material properties porous
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00797Temperature measured by multiple temperature sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00815Temperature measured by a thermistor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00821Temperature measured by a thermocouple
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1407Loop
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1425Needle
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002Irrigation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M2025/0163Looped catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M25/0144Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M25/0147Tip steering devices with movable mechanical means, e.g. pull wires

Abstract

A catheter assembly comprises a first branch (44) having a first axis, a second branch (32) extending in a non-parallel relationship with respect to the first axis and at least one electrode (28) carried by the second branch body (32). In use, the first branch body (44) can be located within a pulmonary vein within the left atrium, while the electrode (28) carried by the second branch body (32) is located in contact with endocardial tissue outside the pulmonary vein. Ablation energy can be transmitted from the electrode (28) to contacted endocardial tissue while the first branch (44) body is located within the pulmonary vein.
CA002276755A 1996-12-19 1997-12-11 Branched structures for supporting multiple electrode elements Expired - Fee Related CA2276755C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/771,217 US6071279A (en) 1996-12-19 1996-12-19 Branched structures for supporting multiple electrode elements
US08/771,217 1996-12-19
PCT/US1997/022997 WO1998026724A1 (en) 1996-12-19 1997-12-11 Branched structures for supporting multiple electrode elements

Publications (2)

Publication Number Publication Date
CA2276755A1 true CA2276755A1 (en) 1998-06-25
CA2276755C CA2276755C (en) 2006-05-16

Family

ID=25091096

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002276755A Expired - Fee Related CA2276755C (en) 1996-12-19 1997-12-11 Branched structures for supporting multiple electrode elements

Country Status (5)

Country Link
US (5) US6071279A (en)
EP (1) EP0957794B1 (en)
CA (1) CA2276755C (en)
DE (1) DE69737941T2 (en)
WO (1) WO1998026724A1 (en)

Families Citing this family (463)

* Cited by examiner, † Cited by third party
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US20060189975A1 (en) 2006-08-24
US20020133150A1 (en) 2002-09-19
CA2276755C (en) 2006-05-16
US20110166569A1 (en) 2011-07-07
EP0957794A1 (en) 1999-11-24
EP0957794A4 (en) 2001-12-12
US7837681B2 (en) 2010-11-23
US7025766B2 (en) 2006-04-11
WO1998026724A1 (en) 1998-06-25
DE69737941T2 (en) 2008-04-24
EP0957794B1 (en) 2007-07-18
US6071279A (en) 2000-06-06
US8114073B2 (en) 2012-02-14
DE69737941D1 (en) 2007-08-30
US6402746B1 (en) 2002-06-11

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