ATE347325T1 - Spiralförmiger catheter für elektrophisiologische verwendung - Google Patents

Spiralförmiger catheter für elektrophisiologische verwendung

Info

Publication number
ATE347325T1
ATE347325T1 AT02734096T AT02734096T ATE347325T1 AT E347325 T1 ATE347325 T1 AT E347325T1 AT 02734096 T AT02734096 T AT 02734096T AT 02734096 T AT02734096 T AT 02734096T AT E347325 T1 ATE347325 T1 AT E347325T1
Authority
AT
Austria
Prior art keywords
shaft section
electrophisiological
spiral
shaped catheter
distal shaft
Prior art date
Application number
AT02734096T
Other languages
English (en)
Inventor
Eric K Y Chan
Richard E Hill Iii
Alex L Lim
Tim Huynh
Original Assignee
Cardima 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 Cardima Inc filed Critical Cardima Inc
Application granted granted Critical
Publication of ATE347325T1 publication Critical patent/ATE347325T1/de

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
    • A61B2018/0016—Energy applicators arranged in a two- or three dimensional array
    • 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
    • A61B2018/00636—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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00898—Alarms or notifications created in response to an abnormal condition
    • 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
    • A61B2018/1435—Spiral
    • 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
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electrotherapy Devices (AREA)
AT02734096T 2001-05-01 2002-04-29 Spiralförmiger catheter für elektrophisiologische verwendung ATE347325T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/847,181 US6972016B2 (en) 2001-05-01 2001-05-01 Helically shaped electrophysiology catheter

Publications (1)

Publication Number Publication Date
ATE347325T1 true ATE347325T1 (de) 2006-12-15

Family

ID=25299993

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02734096T ATE347325T1 (de) 2001-05-01 2002-04-29 Spiralförmiger catheter für elektrophisiologische verwendung

Country Status (9)

Country Link
US (2) US6972016B2 (de)
EP (2) EP1383437B1 (de)
JP (1) JP2005512609A (de)
CN (2) CN1279876C (de)
AT (1) ATE347325T1 (de)
AU (1) AU2002305285A2 (de)
CA (1) CA2446061A1 (de)
DE (1) DE60216578T2 (de)
WO (1) WO2002087453A1 (de)

Families Citing this family (219)

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AU2002305285A2 (en) 2002-11-11
CN1549694A (zh) 2004-11-24
CN1927131A (zh) 2007-03-14
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DE60216578D1 (de) 2007-01-18
CN1279876C (zh) 2006-10-18
US20050015084A1 (en) 2005-01-20
CA2446061A1 (en) 2002-11-07
EP1383437B1 (de) 2006-12-06
EP1733689A1 (de) 2006-12-20
EP1383437A1 (de) 2004-01-28
US6972016B2 (en) 2005-12-06
WO2002087453A1 (en) 2002-11-07
CN100563594C (zh) 2009-12-02
JP2005512609A (ja) 2005-05-12

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