WO2001037925A3 - Atrial annulus ablation loop with expandable pusher - Google Patents

Atrial annulus ablation loop with expandable pusher Download PDF

Info

Publication number
WO2001037925A3
WO2001037925A3 PCT/EP2000/011638 EP0011638W WO0137925A3 WO 2001037925 A3 WO2001037925 A3 WO 2001037925A3 EP 0011638 W EP0011638 W EP 0011638W WO 0137925 A3 WO0137925 A3 WO 0137925A3
Authority
WO
WIPO (PCT)
Prior art keywords
ablation loop
atrial
annulus
body tissue
expandable
Prior art date
Application number
PCT/EP2000/011638
Other languages
French (fr)
Other versions
WO2001037925A2 (en
Inventor
Thomas R Jenkins
Russell B Thompson
Robert Burnside
Anant V Hegde
David K Swanson
Original Assignee
Boston Scient Ltd
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 Boston Scient Ltd filed Critical Boston Scient Ltd
Priority to JP2001539535A priority Critical patent/JP4404513B2/en
Priority to EP00987281A priority patent/EP1233717B1/en
Priority to DE60030314T priority patent/DE60030314T2/en
Priority to CA2392194A priority patent/CA2392194C/en
Publication of WO2001037925A2 publication Critical patent/WO2001037925A2/en
Publication of WO2001037925A3 publication Critical patent/WO2001037925A3/en

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
    • 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
    • A61B2018/00107—Coatings on the energy applicator
    • 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
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • 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
    • A61B2018/00273—Anchoring means for temporary attachment of a device to tissue
    • A61B2018/00279—Anchoring means for temporary attachment of a device to tissue deployable
    • A61B2018/00285—Balloons
    • 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
    • A61B2018/00351—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
    • A61B2018/00577—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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00797—Temperature measured by multiple temperature sensors
    • 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
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop

Abstract

An apparatus that facilitates the creation of circumferential lesions in body tissue. The apparatus includes a first probe having a loop structure that supports electrodes or other operative elements against the body tissue and a second probe with an expandable push structure that may be used to urge the loop structure against body tissue.
PCT/EP2000/011638 1999-11-22 2000-11-22 Atrial annulus ablation loop with expandable pusher WO2001037925A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001539535A JP4404513B2 (en) 1999-11-22 2000-11-22 Atrial annular resection loop with expandable pusher
EP00987281A EP1233717B1 (en) 1999-11-22 2000-11-22 Atrial annulus ablation loop with expandable pusher
DE60030314T DE60030314T2 (en) 1999-11-22 2000-11-22 ABLATION CIRCUIT FOR THE VORHOFRING WITH EXPANDABLE PUSHING DEVICE
CA2392194A CA2392194C (en) 1999-11-22 2000-11-22 Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue and expandable push devices for use with same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/447,180 1999-11-22
US09/447,180 US6645199B1 (en) 1999-11-22 1999-11-22 Loop structures for supporting diagnostic and therapeutic elements contact with body tissue and expandable push devices for use with same

Publications (2)

Publication Number Publication Date
WO2001037925A2 WO2001037925A2 (en) 2001-05-31
WO2001037925A3 true WO2001037925A3 (en) 2001-12-13

Family

ID=23775316

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/011638 WO2001037925A2 (en) 1999-11-22 2000-11-22 Atrial annulus ablation loop with expandable pusher

Country Status (8)

Country Link
US (2) US6645199B1 (en)
EP (1) EP1233717B1 (en)
JP (1) JP4404513B2 (en)
AT (1) ATE336955T1 (en)
CA (1) CA2392194C (en)
DE (1) DE60030314T2 (en)
ES (1) ES2270892T3 (en)
WO (1) WO2001037925A2 (en)

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US8974445B2 (en) 2009-01-09 2015-03-10 Recor Medical, Inc. Methods and apparatus for treatment of cardiac valve insufficiency

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