WO2007136979A3 - Ablation electrode assembly and methods for improved control of temperature - Google Patents

Ablation electrode assembly and methods for improved control of temperature Download PDF

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Publication number
WO2007136979A3
WO2007136979A3 PCT/US2007/068037 US2007068037W WO2007136979A3 WO 2007136979 A3 WO2007136979 A3 WO 2007136979A3 US 2007068037 W US2007068037 W US 2007068037W WO 2007136979 A3 WO2007136979 A3 WO 2007136979A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
electrode assembly
ablation electrode
temperature
improved control
Prior art date
Application number
PCT/US2007/068037
Other languages
French (fr)
Other versions
WO2007136979A2 (en
Inventor
Huisun Wang
Jeremy D Dando
Dale Just
Allen P Moore
Original Assignee
St Jude Medical Atrial Fibrill
Huisun Wang
Jeremy D Dando
Dale Just
Allen P Moore
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 Atrial Fibrill, Huisun Wang, Jeremy D Dando, Dale Just, Allen P Moore filed Critical St Jude Medical Atrial Fibrill
Priority to AU2007253995A priority Critical patent/AU2007253995B2/en
Priority to CN2007800176276A priority patent/CN101442950B/en
Priority to CA002652546A priority patent/CA2652546A1/en
Priority to EP07761750A priority patent/EP2019640B1/en
Priority to JP2009511148A priority patent/JP5254214B2/en
Publication of WO2007136979A2 publication Critical patent/WO2007136979A2/en
Publication of WO2007136979A3 publication Critical patent/WO2007136979A3/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
    • A61B18/148—Probes or electrodes therefor having a short, rigid shaft for accessing the inner body transcutaneously, e.g. for neurosurgery or arthroscopy
    • 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
    • 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
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00744—Fluid flow
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Neurology (AREA)
  • Plasma & Fusion (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

The present invention pertains to multiple piece irrigated ablation electrode assemblies (10) wherein the irrigation channels (24) are insulated or separated from at least one temperature sensing mechanism (26) within the distal portion (18) of the electrode assembly (10). The present invention further pertains to methods for improved assembly and accurate measurement and control of the electrode temperatures while effectively irrigating the device and target areas.
PCT/US2007/068037 2006-05-16 2007-05-02 Ablation electrode assembly and methods for improved control of temperature WO2007136979A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2007253995A AU2007253995B2 (en) 2006-05-16 2007-05-02 Ablation electrode assembly and methods for improved control of temperature
CN2007800176276A CN101442950B (en) 2006-05-16 2007-05-02 Ablation electrode assembly and methods for improved control of temperature
CA002652546A CA2652546A1 (en) 2006-05-16 2007-05-02 Ablation electrode assembly and methods for improved control of temperature
EP07761750A EP2019640B1 (en) 2006-05-16 2007-05-02 Ablation electrode assembly for improved control of temperature
JP2009511148A JP5254214B2 (en) 2006-05-16 2007-05-02 Ablation electrode assembly and method with improved temperature control

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/434,220 2006-05-16
US11/434,220 US7857810B2 (en) 2006-05-16 2006-05-16 Ablation electrode assembly and methods for improved control of temperature and minimization of coagulation and tissue damage

Publications (2)

Publication Number Publication Date
WO2007136979A2 WO2007136979A2 (en) 2007-11-29
WO2007136979A3 true WO2007136979A3 (en) 2008-09-25

Family

ID=38712897

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/068037 WO2007136979A2 (en) 2006-05-16 2007-05-02 Ablation electrode assembly and methods for improved control of temperature

Country Status (7)

Country Link
US (2) US7857810B2 (en)
EP (1) EP2019640B1 (en)
JP (1) JP5254214B2 (en)
CN (1) CN101442950B (en)
AU (1) AU2007253995B2 (en)
CA (1) CA2652546A1 (en)
WO (1) WO2007136979A2 (en)

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AU2007253995B2 (en) 2011-06-09
JP2009537243A (en) 2009-10-29
US7857810B2 (en) 2010-12-28
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US8449539B2 (en) 2013-05-28
US20110092969A1 (en) 2011-04-21
CN101442950A (en) 2009-05-27
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US20070270791A1 (en) 2007-11-22
CA2652546A1 (en) 2007-11-29

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