CA2543524C - Catheter and method, in particular for ablation and like technique - Google Patents

Catheter and method, in particular for ablation and like technique Download PDF

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Publication number
CA2543524C
CA2543524C CA2543524A CA2543524A CA2543524C CA 2543524 C CA2543524 C CA 2543524C CA 2543524 A CA2543524 A CA 2543524A CA 2543524 A CA2543524 A CA 2543524A CA 2543524 C CA2543524 C CA 2543524C
Authority
CA
Canada
Prior art keywords
electrode
catheter according
elongate body
coupled
catheter
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
CA2543524A
Other languages
English (en)
French (fr)
Other versions
CA2543524A1 (en
Inventor
Frederik Henricus Matheus Wittkampf
Hiroshi Nakagawa
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.)
Universitair Medisch Centrum Utrecht
Original Assignee
Universitair Medisch Centrum Utrecht
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 Universitair Medisch Centrum Utrecht filed Critical Universitair Medisch Centrum Utrecht
Publication of CA2543524A1 publication Critical patent/CA2543524A1/en
Application granted granted Critical
Publication of CA2543524C publication Critical patent/CA2543524C/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
    • 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
    • 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
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • 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
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
    • 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
    • A61B2018/00089—Thermal conductivity
    • A61B2018/00101—Thermal conductivity low, i.e. thermally insulating
    • 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
    • A61B2018/00315—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
    • A61B2018/00363—Epicardium
    • 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
    • A61B2018/00815—Temperature measured by a thermistor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
CA2543524A 2003-10-29 2004-10-20 Catheter and method, in particular for ablation and like technique Expired - Fee Related CA2543524C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1024658 2003-10-29
NL1024658A NL1024658C2 (nl) 2003-10-29 2003-10-29 Katheter en werkwijze, in het bijzonder voor ablatie en dergelijke techniek.
PCT/NL2004/000741 WO2005048858A1 (en) 2003-10-29 2004-10-20 Catheter and method, in particular for ablation and like technique

Publications (2)

Publication Number Publication Date
CA2543524A1 CA2543524A1 (en) 2005-06-02
CA2543524C true CA2543524C (en) 2012-10-09

Family

ID=34617593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2543524A Expired - Fee Related CA2543524C (en) 2003-10-29 2004-10-20 Catheter and method, in particular for ablation and like technique

Country Status (11)

Country Link
US (3) US7815635B2 (enExample)
EP (1) EP1686908B1 (enExample)
JP (1) JP4776542B2 (enExample)
KR (1) KR101218957B1 (enExample)
CN (1) CN100586393C (enExample)
AU (1) AU2004290563B2 (enExample)
BR (1) BRPI0415696B8 (enExample)
CA (1) CA2543524C (enExample)
NL (1) NL1024658C2 (enExample)
RU (1) RU2006118345A (enExample)
WO (1) WO2005048858A1 (enExample)

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BRPI0415696B1 (pt) 2018-04-03
JP2007509693A (ja) 2007-04-19
US7998141B2 (en) 2011-08-16
US20080045943A1 (en) 2008-02-21
US20110022046A1 (en) 2011-01-27
KR20060123207A (ko) 2006-12-01
AU2004290563A1 (en) 2005-06-02
WO2005048858A1 (en) 2005-06-02
RU2006118345A (ru) 2007-12-10
CN1897885A (zh) 2007-01-17
BRPI0415696A (pt) 2006-12-26
US7815635B2 (en) 2010-10-19
CN100586393C (zh) 2010-02-03
BRPI0415696B8 (pt) 2021-06-22
US8287533B2 (en) 2012-10-16
KR101218957B1 (ko) 2013-01-04
US20110301596A1 (en) 2011-12-08
EP1686908A1 (en) 2006-08-09
JP4776542B2 (ja) 2011-09-21
EP1686908B1 (en) 2014-12-03
CA2543524A1 (en) 2005-06-02
AU2004290563B2 (en) 2010-09-23

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