CA2169560A1 - Electrosurgical Apparatus - Google Patents

Electrosurgical Apparatus

Info

Publication number
CA2169560A1
CA2169560A1 CA2169560A CA2169560A CA2169560A1 CA 2169560 A1 CA2169560 A1 CA 2169560A1 CA 2169560 A CA2169560 A CA 2169560A CA 2169560 A CA2169560 A CA 2169560A CA 2169560 A1 CA2169560 A1 CA 2169560A1
Authority
CA
Canada
Prior art keywords
wire
introducer
electric current
body lumen
electrosurgical apparatus
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.)
Granted
Application number
CA2169560A
Other languages
French (fr)
Other versions
CA2169560C (en
Inventor
Claude Tihon
Scott W. Andrus
Ronald Svejkovsky
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.)
American Medical Systems LLC
Original Assignee
Claude Tihon
Scott W. Andrus
Ronald Svejkovsky
American Medical Systems 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22431328&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2169560(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Claude Tihon, Scott W. Andrus, Ronald Svejkovsky, American Medical Systems Inc. filed Critical Claude Tihon
Publication of CA2169560A1 publication Critical patent/CA2169560A1/en
Application granted granted Critical
Publication of CA2169560C publication Critical patent/CA2169560C/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
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00274—Prostate operation, e.g. prostatectomy, turp, bhp treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • 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
    • A61B2018/00547—Prostate
    • 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
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol

Abstract

An apparatus for electrosurgical incision of a stricture within or adjacent to a body lumen, which comprises an electrically conducting, deflecting wire (1) associated with an introducer (6) for introducing the wire into the body lumen, wherein a proximal portion of the wire is deflectable outwardly relative to the introducer, and a source of RF electric current connected to the wire whereby RF electric current may be transmitted through the wire when it is in the deflected position.
CA002169560A 1993-09-28 1994-09-01 Electrosurgical apparatus Expired - Fee Related CA2169560C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/127,674 1993-09-28
US08/127,674 US5415656A (en) 1993-09-28 1993-09-28 Electrosurgical apparatus
PCT/IB1994/000262 WO1995008957A1 (en) 1993-09-28 1994-09-01 Electrosurgical apparatus

Publications (2)

Publication Number Publication Date
CA2169560A1 true CA2169560A1 (en) 1995-04-06
CA2169560C CA2169560C (en) 2000-06-27

Family

ID=22431328

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002169560A Expired - Fee Related CA2169560C (en) 1993-09-28 1994-09-01 Electrosurgical apparatus

Country Status (8)

Country Link
US (1) US5415656A (en)
EP (1) EP0720449B2 (en)
JP (1) JP2763963B2 (en)
AT (1) ATE186191T1 (en)
AU (1) AU690136B2 (en)
CA (1) CA2169560C (en)
DE (2) DE9490463U1 (en)
WO (1) WO1995008957A1 (en)

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WO1995008957A1 (en) 1995-04-06
US5415656A (en) 1995-05-16
DE69421543D1 (en) 1999-12-09
EP0720449A1 (en) 1996-07-10
EP0720449B2 (en) 2006-09-06
EP0720449B1 (en) 1999-11-03
DE69421543T2 (en) 2000-05-25
JP2763963B2 (en) 1998-06-11
CA2169560C (en) 2000-06-27
DE69421543T3 (en) 2007-01-04
AU7466994A (en) 1995-04-18
ATE186191T1 (en) 1999-11-15
DE9490463U1 (en) 1996-05-23
JPH08509894A (en) 1996-10-22
AU690136B2 (en) 1998-04-23

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