WO2004022155A3 - Methods and apparatus for treating intervertebral discs - Google Patents

Methods and apparatus for treating intervertebral discs Download PDF

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Publication number
WO2004022155A3
WO2004022155A3 PCT/US2003/027745 US0327745W WO2004022155A3 WO 2004022155 A3 WO2004022155 A3 WO 2004022155A3 US 0327745 W US0327745 W US 0327745W WO 2004022155 A3 WO2004022155 A3 WO 2004022155A3
Authority
WO
WIPO (PCT)
Prior art keywords
devices
methods
systems
methods described
intervertebral discs
Prior art date
Application number
PCT/US2003/027745
Other languages
French (fr)
Other versions
WO2004022155A2 (en
Inventor
David C Hovda
Brian E Martini
Allison C Johnson
Norman R Sanders
Original Assignee
Arthrocare Corp
David C Hovda
Brian E Martini
Allison C Johnson
Norman R Sanders
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 Arthrocare Corp, David C Hovda, Brian E Martini, Allison C Johnson, Norman R Sanders filed Critical Arthrocare Corp
Priority to AU2003268458A priority Critical patent/AU2003268458A1/en
Priority to EP03749423A priority patent/EP1545362A4/en
Publication of WO2004022155A2 publication Critical patent/WO2004022155A2/en
Publication of WO2004022155A3 publication Critical patent/WO2004022155A3/en

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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
    • 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
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00434—Neural system
    • A61B2018/0044—Spinal cord
    • 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
    • A61B2018/1475—Electrodes retractable in or deployable from a housing
    • 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

Abstract

The systems, devices and methods described herein selectively apply electrical energy and thermal energy to structures within a patient's body, such as the intervertebral disc. The systems, devices and methods thereof are useful for shrinkage, ablation, and/or hemostasis of tissue and other body structures in open and endoscopic spine surgery. In particular the systems, devices and methods described herein provide advantages in the treatment of disc tissue. The system, devices and methods described herein also treat a disc via a microdiscectomy which require little or no annulotomy.
PCT/US2003/027745 2002-09-05 2003-09-05 Methods and apparatus for treating intervertebral discs WO2004022155A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003268458A AU2003268458A1 (en) 2002-09-05 2003-09-05 Methods and apparatus for treating intervertebral discs
EP03749423A EP1545362A4 (en) 2002-09-05 2003-09-05 Methods and apparatus for treating intervertebral discs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40896702P 2002-09-05 2002-09-05
US60/408,967 2002-09-05

Publications (2)

Publication Number Publication Date
WO2004022155A2 WO2004022155A2 (en) 2004-03-18
WO2004022155A3 true WO2004022155A3 (en) 2004-08-26

Family

ID=31978711

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/027745 WO2004022155A2 (en) 2002-09-05 2003-09-05 Methods and apparatus for treating intervertebral discs

Country Status (4)

Country Link
US (1) US20040116922A1 (en)
EP (1) EP1545362A4 (en)
AU (1) AU2003268458A1 (en)
WO (1) WO2004022155A2 (en)

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