WO2004075947A3 - Tissue separating catheter assembly and method - Google Patents

Tissue separating catheter assembly and method Download PDF

Info

Publication number
WO2004075947A3
WO2004075947A3 PCT/US2004/005167 US2004005167W WO2004075947A3 WO 2004075947 A3 WO2004075947 A3 WO 2004075947A3 US 2004005167 W US2004005167 W US 2004005167W WO 2004075947 A3 WO2004075947 A3 WO 2004075947A3
Authority
WO
WIPO (PCT)
Prior art keywords
shaft portion
distal
distal shaft
tissue
separator
Prior art date
Application number
PCT/US2004/005167
Other languages
French (fr)
Other versions
WO2004075947A2 (en
Inventor
Eric L Buehlmann
George A Morrison
Robert J Laird
Original Assignee
Artemis Medical 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 Artemis Medical Inc filed Critical Artemis Medical Inc
Priority to AU2004216179A priority Critical patent/AU2004216179A1/en
Priority to EP04713415A priority patent/EP1601299A4/en
Priority to JP2006503766A priority patent/JP2006518645A/en
Publication of WO2004075947A2 publication Critical patent/WO2004075947A2/en
Publication of WO2004075947A3 publication Critical patent/WO2004075947A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • 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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • 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
    • A61B2018/1407—Loop
    • 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
    • A61B2018/144—Wire
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/12—Shape memory

Landscapes

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

Abstract

A tissue-separating catheter assembly comprises a rotatable shaft, having a distal shaft portion, and a tissue separator device extending along the shaft. The tissue separator device has a distal separator part at the distal shaft portion movable between a retracted state, towards the distal shaft portion, and an outwardly extending, operational state, away from the distal shaft portion. A pivot joint may be used to pivotally connect the distal separator end to the distal shaft portion. The distal shaft portion may comprise a distally-facing transition surface at a proximal end of the distal shaft portion. First and second energizable tissue separator elements may be used at the transition surface and the tip of the device, respectively.
PCT/US2004/005167 2003-02-25 2004-02-20 Tissue separating catheter assembly and method WO2004075947A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2004216179A AU2004216179A1 (en) 2003-02-25 2004-02-20 Tissue separating catheter assembly and method
EP04713415A EP1601299A4 (en) 2003-02-25 2004-02-20 Tissue separating catheter assembly and method
JP2006503766A JP2006518645A (en) 2003-02-25 2004-02-20 Tissue separation catheter assembly and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/374,582 2003-02-25
US10/374,582 US7534242B2 (en) 2003-02-25 2003-02-25 Tissue separating catheter assembly and method

Publications (2)

Publication Number Publication Date
WO2004075947A2 WO2004075947A2 (en) 2004-09-10
WO2004075947A3 true WO2004075947A3 (en) 2005-03-24

Family

ID=32868907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/005167 WO2004075947A2 (en) 2003-02-25 2004-02-20 Tissue separating catheter assembly and method

Country Status (5)

Country Link
US (3) US7534242B2 (en)
EP (1) EP1601299A4 (en)
JP (1) JP2006518645A (en)
AU (1) AU2004216179A1 (en)
WO (1) WO2004075947A2 (en)

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US8469955B2 (en) 2013-06-25
US20130231675A1 (en) 2013-09-05
AU2004216179A1 (en) 2004-09-10
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US9211130B2 (en) 2015-12-15
JP2006518645A (en) 2006-08-17
EP1601299A2 (en) 2005-12-07
US7534242B2 (en) 2009-05-19
US20090198180A1 (en) 2009-08-06
WO2004075947A2 (en) 2004-09-10
US20040167511A1 (en) 2004-08-26

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