DE69330519D1 - Katheter mit einer nadelelektrode zur hochfrequenz-ablation - Google Patents

Katheter mit einer nadelelektrode zur hochfrequenz-ablation

Info

Publication number
DE69330519D1
DE69330519D1 DE69330519T DE69330519T DE69330519D1 DE 69330519 D1 DE69330519 D1 DE 69330519D1 DE 69330519 T DE69330519 T DE 69330519T DE 69330519 T DE69330519 T DE 69330519T DE 69330519 D1 DE69330519 D1 DE 69330519D1
Authority
DE
Germany
Prior art keywords
catheter
needle electrode
frequency ablation
ablation
frequency
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.)
Expired - Fee Related
Application number
DE69330519T
Other languages
English (en)
Other versions
DE69330519T2 (de
Inventor
A Imran
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.)
Cardiac Pathways Corp
Original Assignee
Cardiac Pathways Corp
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 Cardiac Pathways Corp filed Critical Cardiac Pathways Corp
Application granted granted Critical
Publication of DE69330519D1 publication Critical patent/DE69330519D1/de
Publication of DE69330519T2 publication Critical patent/DE69330519T2/de
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
    • 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
    • A61B18/1477Needle-like probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • 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
    • A61B2018/00184Moving parts
    • A61B2018/00196Moving parts reciprocating lengthwise
    • 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
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
    • A61F2210/0023Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at different temperatures whilst inside or touching the human body, heated or cooled by external energy source or cold supply
    • A61F2210/0033Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at different temperatures whilst inside or touching the human body, heated or cooled by external energy source or cold supply electrically, e.g. heated by resistor
    • 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
DE69330519T 1992-06-05 1993-06-02 Katheter mit einer nadelelektrode zur hochfrequenz-ablation Expired - Fee Related DE69330519T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/894,409 US5281218A (en) 1992-06-05 1992-06-05 Catheter having needle electrode for radiofrequency ablation
PCT/US1993/005289 WO1993025273A1 (en) 1992-06-05 1993-06-02 Catheter having needle electrode for radiofrequency ablation

Publications (2)

Publication Number Publication Date
DE69330519D1 true DE69330519D1 (de) 2001-09-06
DE69330519T2 DE69330519T2 (de) 2002-05-16

Family

ID=25403038

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330519T Expired - Fee Related DE69330519T2 (de) 1992-06-05 1993-06-02 Katheter mit einer nadelelektrode zur hochfrequenz-ablation

Country Status (7)

Country Link
US (1) US5281218A (de)
EP (1) EP0643601B1 (de)
JP (1) JPH07507471A (de)
AU (1) AU672611B2 (de)
CA (1) CA2137152A1 (de)
DE (1) DE69330519T2 (de)
WO (1) WO1993025273A1 (de)

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DE69330519T2 (de) 2002-05-16
AU672611B2 (en) 1996-10-10
EP0643601A1 (de) 1995-03-22
US5281218A (en) 1994-01-25
EP0643601B1 (de) 2001-08-01
WO1993025273A1 (en) 1993-12-23
AU4404993A (en) 1994-01-04
EP0643601A4 (de) 1995-12-06
JPH07507471A (ja) 1995-08-24

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