CA2475901A1 - Radiofrequency arthroscopic ablation device - Google Patents

Radiofrequency arthroscopic ablation device Download PDF

Info

Publication number
CA2475901A1
CA2475901A1 CA002475901A CA2475901A CA2475901A1 CA 2475901 A1 CA2475901 A1 CA 2475901A1 CA 002475901 A CA002475901 A CA 002475901A CA 2475901 A CA2475901 A CA 2475901A CA 2475901 A1 CA2475901 A1 CA 2475901A1
Authority
CA
Canada
Prior art keywords
electrode
shaft
surgical device
elongated shaft
coupled
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.)
Abandoned
Application number
CA002475901A
Other languages
English (en)
French (fr)
Inventor
Hugh R. Sharkey
Katherine A. Knudsen
Duane W. Marion
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.)
Individual
Original Assignee
Oratec Interventions 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 Oratec Interventions Inc filed Critical Oratec Interventions Inc
Publication of CA2475901A1 publication Critical patent/CA2475901A1/en
Abandoned 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
    • A61B18/148—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
    • A61B2018/00053—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
    • 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
    • A61B18/16—Indifferent or passive electrodes for grounding
    • A61B2018/162—Indifferent or passive electrodes for grounding located on the probe body
    • 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)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Neurology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Plasma & Fusion (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Particle Accelerators (AREA)
CA002475901A 2002-02-12 2003-02-12 Radiofrequency arthroscopic ablation device Abandoned CA2475901A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35661202P 2002-02-12 2002-02-12
US60/356,612 2002-02-12
PCT/US2003/004139 WO2003068095A1 (en) 2002-02-12 2003-02-12 Radiofrequency arthroscopic ablation device

Publications (1)

Publication Number Publication Date
CA2475901A1 true CA2475901A1 (en) 2003-08-21

Family

ID=27734661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002475901A Abandoned CA2475901A1 (en) 2002-02-12 2003-02-12 Radiofrequency arthroscopic ablation device

Country Status (8)

Country Link
US (1) US7481807B2 (enExample)
EP (1) EP1474057B1 (enExample)
JP (3) JP4994573B2 (enExample)
AT (1) ATE357882T1 (enExample)
AU (2) AU2003215170B2 (enExample)
CA (1) CA2475901A1 (enExample)
DE (1) DE60312821T2 (enExample)
WO (1) WO2003068095A1 (enExample)

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JP2009153993A (ja) 2009-07-16
AU2003215170A1 (en) 2003-09-04
EP1474057B1 (en) 2007-03-28
US20050027235A1 (en) 2005-02-03
JP4994573B2 (ja) 2012-08-08
EP1474057A1 (en) 2004-11-10
WO2003068095A1 (en) 2003-08-21
AU2009202599A1 (en) 2009-07-16
JP4970513B2 (ja) 2012-07-11
US7481807B2 (en) 2009-01-27
JP5107295B2 (ja) 2012-12-26
DE60312821T2 (de) 2007-12-13
DE60312821D1 (de) 2007-05-10
AU2009202599B2 (en) 2012-08-09
AU2003215170B2 (en) 2009-03-26
JP2005516725A (ja) 2005-06-09
ATE357882T1 (de) 2007-04-15
JP2010012297A (ja) 2010-01-21

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