CA2514036A1 - Catheter design that facilitates positioning at tissue to be diagnosed or treated - Google Patents

Catheter design that facilitates positioning at tissue to be diagnosed or treated Download PDF

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Publication number
CA2514036A1
CA2514036A1 CA002514036A CA2514036A CA2514036A1 CA 2514036 A1 CA2514036 A1 CA 2514036A1 CA 002514036 A CA002514036 A CA 002514036A CA 2514036 A CA2514036 A CA 2514036A CA 2514036 A1 CA2514036 A1 CA 2514036A1
Authority
CA
Canada
Prior art keywords
diagnosed
tissue
treated
distal portion
active region
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
CA002514036A
Other languages
French (fr)
Other versions
CA2514036C (en
Inventor
Guy Vanney
Jeremy Dando
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.)
St Jude Medical Atrial Fibrillation Division Inc
Original Assignee
St. Jude Medical Daig Division Inc.
Guy Vanney
Jeremy Dando
St. Jude Medical, Atrial Fibrillation Division, 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 St. Jude Medical Daig Division Inc., Guy Vanney, Jeremy Dando, St. Jude Medical, Atrial Fibrillation Division, Inc. filed Critical St. Jude Medical Daig Division Inc.
Priority to CA002651207A priority Critical patent/CA2651207A1/en
Publication of CA2514036A1 publication Critical patent/CA2514036A1/en
Application granted granted Critical
Publication of CA2514036C publication Critical patent/CA2514036C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • 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
    • A61B2018/00059—Material properties
    • A61B2018/00065—Material properties porous
    • 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
    • A61B2018/00375—Ostium, e.g. ostium of pulmonary vein or artery
    • 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
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0041—Catheters; Hollow probes characterised by the form of the tubing pre-formed, e.g. specially adapted to fit with the anatomy of body channels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/12—Shape memory

Abstract

A catheter used for diagnosing and treating, for example, atrial fibrillation. The catheter includes a catheter shaft that has a proximal portion and a distal portion. The distal portion is adapted to be inserted into a body cavity having tissue to be diagnosed or treated and is disposed remotely from the proximal portion. The distal portion, which may be curved or straight, comprises an outer peripheral wall having an active region, and the distal portion has a cross-sectional configuration along the active region. The cross-sectional configuration is adapted to bias the active region against the tissue to be diagnosed or treated.
CA002514036A 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated Expired - Fee Related CA2514036C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002651207A CA2651207A1 (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US44182403P 2003-01-21 2003-01-21
US60/441,824 2003-01-21
US10/608,257 US7387629B2 (en) 2003-01-21 2003-06-27 Catheter design that facilitates positioning at tissue to be diagnosed or treated
US10/608,257 2003-06-27
PCT/US2004/001460 WO2004064893A2 (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002651207A Division CA2651207A1 (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated

Publications (2)

Publication Number Publication Date
CA2514036A1 true CA2514036A1 (en) 2004-08-05
CA2514036C CA2514036C (en) 2008-12-02

Family

ID=32718232

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002514036A Expired - Fee Related CA2514036C (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated
CA002651207A Abandoned CA2651207A1 (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002651207A Abandoned CA2651207A1 (en) 2003-01-21 2004-01-20 Catheter design that facilitates positioning at tissue to be diagnosed or treated

Country Status (8)

Country Link
US (2) US7387629B2 (en)
EP (1) EP1626754B1 (en)
JP (1) JP4933098B2 (en)
AT (1) ATE484253T1 (en)
AU (1) AU2004206921B2 (en)
CA (2) CA2514036C (en)
DE (1) DE602004029566D1 (en)
WO (1) WO2004064893A2 (en)

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ATE484253T1 (en) 2010-10-15
US8864758B2 (en) 2014-10-21
JP4933098B2 (en) 2012-05-16
CA2514036C (en) 2008-12-02
DE602004029566D1 (en) 2010-11-25
US20040143254A1 (en) 2004-07-22
US7387629B2 (en) 2008-06-17
AU2004206921B2 (en) 2007-11-08
WO2004064893A3 (en) 2006-01-12
JP2006518606A (en) 2006-08-17
EP1626754A4 (en) 2007-11-07
EP1626754A2 (en) 2006-02-22
EP1626754B1 (en) 2010-10-13
CA2651207A1 (en) 2004-08-05
US20080228183A1 (en) 2008-09-18
WO2004064893A2 (en) 2004-08-05
AU2004206921A1 (en) 2004-08-05

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