WO2012058205A8 - Electrosurgical cutting devices - Google Patents

Electrosurgical cutting devices Download PDF

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Publication number
WO2012058205A8
WO2012058205A8 PCT/US2011/057643 US2011057643W WO2012058205A8 WO 2012058205 A8 WO2012058205 A8 WO 2012058205A8 US 2011057643 W US2011057643 W US 2011057643W WO 2012058205 A8 WO2012058205 A8 WO 2012058205A8
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
ring
cutting edge
tissue separation
electrical energy
Prior art date
Application number
PCT/US2011/057643
Other languages
French (fr)
Other versions
WO2012058205A1 (en
Inventor
Eliot F. Bloom
Denise C. Lane
Vaclav O. Podany
Brian M. Conley
Original Assignee
Salient Surgical Technologies, 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 Salient Surgical Technologies, Inc. filed Critical Salient Surgical Technologies, Inc.
Publication of WO2012058205A1 publication Critical patent/WO2012058205A1/en
Publication of WO2012058205A8 publication Critical patent/WO2012058205A8/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
    • A61B18/1492—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
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601—Cutting
    • 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
    • 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
    • A61B2218/007—Aspiration

Abstract

A cutting device for tissue separation includes a cutting edge using electrical energy such as RF power that is coupled to, but thermally insulated from, a catheter in an elongated medical device. Thermal insulation between a ring-type cutting device and the catheter is provided by a gap, slots within the ring, and/or slanted slots within the ring. In one embodiment, tissue separation occurs by rotation of a ring-type electrically-powered cutting edge having internal cross-bar elements. In an alternate embodiment, tissue separation occurs by longitudinal movement of an offset electrically-powered cutting edge that is pressed against tissue by an inflatable balloon. In a further alternate embodiment, a cutting edge is coupled longitudinally to a catheter, is provided electrical energy by wired connection to the braided catheter, but is thermally isolated from the catheter.
PCT/US2011/057643 2010-10-26 2011-10-25 Electrosurgical cutting devices WO2012058205A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/912,659 2010-10-26
US12/912,659 US9023040B2 (en) 2010-10-26 2010-10-26 Electrosurgical cutting devices

Publications (2)

Publication Number Publication Date
WO2012058205A1 WO2012058205A1 (en) 2012-05-03
WO2012058205A8 true WO2012058205A8 (en) 2012-06-14

Family

ID=44908135

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/057643 WO2012058205A1 (en) 2010-10-26 2011-10-25 Electrosurgical cutting devices

Country Status (2)

Country Link
US (1) US9023040B2 (en)
WO (1) WO2012058205A1 (en)

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US11013599B2 (en) 2008-04-16 2021-05-25 Heart Repair Technologies, Inc. Percutaneous transvalvular intraannular band for mitral valve repair
US11083579B2 (en) 2008-04-16 2021-08-10 Heart Repair Technologies, Inc. Transvalvular intraanular band and chordae cutting for ischemic and dilated cardiomyopathy
US9427281B2 (en) 2011-03-11 2016-08-30 Medtronic Advanced Energy Llc Bronchoscope-compatible catheter provided with electrosurgical device
US9592069B2 (en) 2012-04-28 2017-03-14 Physcient, Inc. Methods and devices for soft tissue dissection
AU2013251330B2 (en) 2012-04-28 2018-07-12 Physcient, Inc. Methods and devices for soft tissue dissection
US10631914B2 (en) 2013-09-30 2020-04-28 Covidien Lp Bipolar electrosurgical instrument with movable electrode and related systems and methods
WO2015161249A1 (en) 2014-04-18 2015-10-22 Physcient, Inc. Methods and devices for soft tissue dissection
US10383651B2 (en) 2014-04-22 2019-08-20 Physcient, Inc. Instruments, devices, and related methods for soft tissue dissection
US10952785B2 (en) 2016-08-01 2021-03-23 Medtronic Advanced Energy, Llc Device for medical lead extraction
CN109715571A (en) 2016-11-14 2019-05-03 美敦力先进能量有限公司 Controlled optical property glaze ceramic composite for electrosurgical tool
JP2020501842A (en) * 2016-12-22 2020-01-23 ハート・リペアー・テクノロジーズ・インコーポレーテッド Percutaneous delivery system for securing an implant to a heart valve annulus
CN109009411A (en) * 2018-08-02 2018-12-18 芝麻开花医疗器械（上海）有限公司 Electrosurgery rotating angle control device

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