EP1372487A1 - Electrosurgical instrument reducing flashover - Google Patents

Electrosurgical instrument reducing flashover

Info

Publication number
EP1372487A1
EP1372487A1 EP01920937A EP01920937A EP1372487A1 EP 1372487 A1 EP1372487 A1 EP 1372487A1 EP 01920937 A EP01920937 A EP 01920937A EP 01920937 A EP01920937 A EP 01920937A EP 1372487 A1 EP1372487 A1 EP 1372487A1
Authority
EP
European Patent Office
Prior art keywords
electrode assembly
insulating substrate
electrodes
assembly according
sealing surface
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.)
Withdrawn
Application number
EP01920937A
Other languages
German (de)
English (en)
French (fr)
Inventor
Kate Ryland Lawes
Sean T. Dycus
Kristin D. Johnson
Steven Paul Buysse
Philip Mark Tetzlaff
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.)
Covidien AG
Original Assignee
Sherwood Service AG
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 Sherwood Service AG filed Critical Sherwood Service AG
Publication of EP1372487A1 publication Critical patent/EP1372487A1/en
Priority to AU2006201480A priority Critical patent/AU2006201480B2/en
Withdrawn legal-status Critical Current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
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2945—Curved jaws
    • 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
    • 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
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar
    • 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
    • A61B2018/1425—Needle
    • A61B2018/1432—Needle curved

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
EP01920937A 2001-04-06 2001-04-06 Electrosurgical instrument reducing flashover Withdrawn EP1372487A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2006201480A AU2006201480B2 (en) 2001-04-06 2006-04-07 Electrosurgical instrument reducing flashover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/011411 WO2002080785A1 (en) 2001-04-06 2001-04-06 Electrosurgical instrument reducing flashover

Publications (1)

Publication Number Publication Date
EP1372487A1 true EP1372487A1 (en) 2004-01-02

Family

ID=21742480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01920937A Withdrawn EP1372487A1 (en) 2001-04-06 2001-04-06 Electrosurgical instrument reducing flashover

Country Status (5)

Country Link
EP (1) EP1372487A1 (ja)
JP (1) JP2004524920A (ja)
AU (1) AU2006201480B2 (ja)
CA (1) CA2442706A1 (ja)
WO (1) WO2002080785A1 (ja)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7118570B2 (en) 2001-04-06 2006-10-10 Sherwood Services Ag Vessel sealing forceps with disposable electrodes
US7364577B2 (en) 2002-02-11 2008-04-29 Sherwood Services Ag Vessel sealing system
US7887535B2 (en) 1999-10-18 2011-02-15 Covidien Ag Vessel sealing wave jaw
US10849681B2 (en) 2001-04-06 2020-12-01 Covidien Ag Vessel sealer and divider
US7473253B2 (en) 2001-04-06 2009-01-06 Covidien Ag Vessel sealer and divider with non-conductive stop members
US20030229344A1 (en) 2002-01-22 2003-12-11 Dycus Sean T. Vessel sealer and divider and method of manufacturing same
US7101371B2 (en) 2001-04-06 2006-09-05 Dycus Sean T Vessel sealer and divider
US7276068B2 (en) 2002-10-04 2007-10-02 Sherwood Services Ag Vessel sealing instrument with electrical cutting mechanism
US7799026B2 (en) 2002-11-14 2010-09-21 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7776036B2 (en) 2003-03-13 2010-08-17 Covidien Ag Bipolar concentric electrode assembly for soft tissue fusion
AU2004237772B2 (en) 2003-05-01 2009-12-10 Covidien Ag Electrosurgical instrument which reduces thermal damage to adjacent tissue
US7160299B2 (en) 2003-05-01 2007-01-09 Sherwood Services Ag Method of fusing biomaterials with radiofrequency energy
US8128624B2 (en) 2003-05-01 2012-03-06 Covidien Ag Electrosurgical instrument that directs energy delivery and protects adjacent tissue
ES2368488T3 (es) 2003-05-15 2011-11-17 Covidien Ag Sellador de tejidos con miembros de tope variables de forma selectiva y no conductores.
US7150749B2 (en) 2003-06-13 2006-12-19 Sherwood Services Ag Vessel sealer and divider having elongated knife stroke and safety cutting mechanism
USD956973S1 (en) 2003-06-13 2022-07-05 Covidien Ag Movable handle for endoscopic vessel sealer and divider
US7156846B2 (en) 2003-06-13 2007-01-02 Sherwood Services Ag Vessel sealer and divider for use with small trocars and cannulas
US9848938B2 (en) 2003-11-13 2017-12-26 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7367976B2 (en) 2003-11-17 2008-05-06 Sherwood Services Ag Bipolar forceps having monopolar extension
US7252667B2 (en) 2003-11-19 2007-08-07 Sherwood Services Ag Open vessel sealing instrument with cutting mechanism and distal lockout
US7811283B2 (en) 2003-11-19 2010-10-12 Covidien Ag Open vessel sealing instrument with hourglass cutting mechanism and over-ratchet safety
US7131970B2 (en) 2003-11-19 2006-11-07 Sherwood Services Ag Open vessel sealing instrument with cutting mechanism
US7442193B2 (en) 2003-11-20 2008-10-28 Covidien Ag Electrically conductive/insulative over-shoe for tissue fusion
DE102004016630B4 (de) * 2004-03-29 2009-04-09 Aesculap Ag Chirurgisches Instrument
US7686827B2 (en) 2004-10-21 2010-03-30 Covidien Ag Magnetic closure mechanism for hemostat
US7686804B2 (en) 2005-01-14 2010-03-30 Covidien Ag Vessel sealer and divider with rotating sealer and cutter
US7909823B2 (en) 2005-01-14 2011-03-22 Covidien Ag Open vessel sealing instrument
US7837685B2 (en) 2005-07-13 2010-11-23 Covidien Ag Switch mechanisms for safe activation of energy on an electrosurgical instrument
US7628791B2 (en) 2005-08-19 2009-12-08 Covidien Ag Single action tissue sealer
US7789878B2 (en) 2005-09-30 2010-09-07 Covidien Ag In-line vessel sealer and divider
US7722607B2 (en) 2005-09-30 2010-05-25 Covidien Ag In-line vessel sealer and divider
CA2561034C (en) 2005-09-30 2014-12-09 Sherwood Services Ag Flexible endoscopic catheter with an end effector for coagulating and transfecting tissue
US7922953B2 (en) 2005-09-30 2011-04-12 Covidien Ag Method for manufacturing an end effector assembly
AU2006225175B2 (en) 2005-09-30 2012-08-30 Covidien Ag Insulating boot for electrosurgical forceps
US8298232B2 (en) 2006-01-24 2012-10-30 Tyco Healthcare Group Lp Endoscopic vessel sealer and divider for large tissue structures
US8882766B2 (en) 2006-01-24 2014-11-11 Covidien Ag Method and system for controlling delivery of energy to divide tissue
US8734443B2 (en) 2006-01-24 2014-05-27 Covidien Lp Vessel sealer and divider for large tissue structures
US7846158B2 (en) 2006-05-05 2010-12-07 Covidien Ag Apparatus and method for electrode thermosurgery
US7776037B2 (en) 2006-07-07 2010-08-17 Covidien Ag System and method for controlling electrode gap during tissue sealing
US7744615B2 (en) 2006-07-18 2010-06-29 Covidien Ag Apparatus and method for transecting tissue on a bipolar vessel sealing instrument
US8597297B2 (en) 2006-08-29 2013-12-03 Covidien Ag Vessel sealing instrument with multiple electrode configurations
US8267935B2 (en) * 2007-04-04 2012-09-18 Tyco Healthcare Group Lp Electrosurgical instrument reducing current densities at an insulator conductor junction
US8241283B2 (en) 2007-09-28 2012-08-14 Tyco Healthcare Group Lp Dual durometer insulating boot for electrosurgical forceps
US9023043B2 (en) 2007-09-28 2015-05-05 Covidien Lp Insulating mechanically-interfaced boot and jaws for electrosurgical forceps
US8388646B2 (en) * 2008-02-22 2013-03-05 Covidien Lp Monocoque jaw design
US8469956B2 (en) 2008-07-21 2013-06-25 Covidien Lp Variable resistor jaw
US9603652B2 (en) 2008-08-21 2017-03-28 Covidien Lp Electrosurgical instrument including a sensor
US8968314B2 (en) 2008-09-25 2015-03-03 Covidien Lp Apparatus, system and method for performing an electrosurgical procedure
US9375254B2 (en) 2008-09-25 2016-06-28 Covidien Lp Seal and separate algorithm
US8016827B2 (en) 2008-10-09 2011-09-13 Tyco Healthcare Group Lp Apparatus, system, and method for performing an electrosurgical procedure
US8114122B2 (en) 2009-01-13 2012-02-14 Tyco Healthcare Group Lp Apparatus, system, and method for performing an electrosurgical procedure
US8187273B2 (en) 2009-05-07 2012-05-29 Tyco Healthcare Group Lp Apparatus, system, and method for performing an electrosurgical procedure
US8133254B2 (en) 2009-09-18 2012-03-13 Tyco Healthcare Group Lp In vivo attachable and detachable end effector assembly and laparoscopic surgical instrument and methods therefor
US8112871B2 (en) 2009-09-28 2012-02-14 Tyco Healthcare Group Lp Method for manufacturing electrosurgical seal plates
US9113940B2 (en) 2011-01-14 2015-08-25 Covidien Lp Trigger lockout and kickback mechanism for surgical instruments
US9844384B2 (en) 2011-07-11 2017-12-19 Covidien Lp Stand alone energy-based tissue clips
US8888771B2 (en) 2011-07-15 2014-11-18 Covidien Lp Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same
US8845636B2 (en) 2011-09-16 2014-09-30 Covidien Lp Seal plate with insulation displacement connection
USD726910S1 (en) 2013-08-07 2015-04-14 Covidien Lp Reusable forceps for open vessel sealer with mechanical cutter
CN105451670B (zh) 2013-08-07 2018-09-04 柯惠有限合伙公司 外科手术钳
USD736920S1 (en) 2013-08-07 2015-08-18 Covidien Lp Open vessel sealer with mechanical cutter
EP3488805A1 (en) * 2013-08-07 2019-05-29 Covidien LP Bipolar surgical instrument
USD744644S1 (en) 2013-08-07 2015-12-01 Covidien Lp Disposable housing for open vessel sealer with mechanical cutter
EP3351198B1 (de) * 2013-09-10 2019-08-14 Erbe Elektromedizin GmbH Instrument zur gefässversiegelung
US20150324317A1 (en) 2014-05-07 2015-11-12 Covidien Lp Authentication and information system for reusable surgical instruments
PL2982325T3 (pl) 2014-08-04 2020-07-13 Erbe Elektromedizin Gmbh Sposób wytwarzania ramienia i instrument chirurgiczny z przyrządem mającym ramiona
US10213250B2 (en) 2015-11-05 2019-02-26 Covidien Lp Deployment and safety mechanisms for surgical instruments
US10856933B2 (en) 2016-08-02 2020-12-08 Covidien Lp Surgical instrument housing incorporating a channel and methods of manufacturing the same
US10918407B2 (en) 2016-11-08 2021-02-16 Covidien Lp Surgical instrument for grasping, treating, and/or dividing tissue
US11166759B2 (en) 2017-05-16 2021-11-09 Covidien Lp Surgical forceps
US11844562B2 (en) 2020-03-23 2023-12-19 Covidien Lp Electrosurgical forceps for grasping, treating, and/or dividing tissue

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2176479A (en) 1937-03-20 1939-10-17 David A Willis Apparatus for finding and removing metal particles from human and animal bodies
US4031898A (en) 1974-12-03 1977-06-28 Siegfried Hiltebrandt Surgical instrument for coagulation purposes
US4005714A (en) 1975-05-03 1977-02-01 Richard Wolf Gmbh Bipolar coagulation forceps
US4370980A (en) 1981-03-11 1983-02-01 Lottick Edward A Electrocautery hemostat
US5116332A (en) 1981-03-11 1992-05-26 Lottick Edward A Electrocautery hemostat
US5026370A (en) 1981-03-11 1991-06-25 Lottick Edward A Electrocautery instrument
CA1192465A (en) 1981-03-11 1985-08-27 Edward A. Lottick Removable switch electrocautery instruments
US4763669A (en) * 1986-01-09 1988-08-16 Jaeger John C Surgical instrument with adjustable angle of operation
US5484436A (en) 1991-06-07 1996-01-16 Hemostatic Surgery Corporation Bi-polar electrosurgical instruments and methods of making
DE4130064A1 (de) 1991-09-11 1993-03-18 Wolf Gmbh Richard Endoskopische koagulationsfasszange
DE4131176C2 (de) 1991-09-19 1994-12-08 Wolf Gmbh Richard Medizinische Zange
US5443463A (en) 1992-05-01 1995-08-22 Vesta Medical, Inc. Coagulating forceps
US5827274A (en) 1995-07-18 1998-10-27 Richard Wolf Gmbh Electrode for vaporizing tissue
US5951549A (en) 1996-12-20 1999-09-14 Enable Medical Corporation Bipolar electrosurgical scissors
EP1011493B1 (en) * 1997-09-10 2005-03-23 Sherwood Services AG Bipolar instrument for vessel fusion
US6050996A (en) * 1997-11-12 2000-04-18 Sherwood Services Ag Bipolar electrosurgical instrument with replaceable electrodes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02080785A1 *

Also Published As

Publication number Publication date
AU2006201480A1 (en) 2006-04-27
AU2006201480B2 (en) 2008-03-06
WO2002080785A1 (en) 2002-10-17
CA2442706A1 (en) 2002-10-17
WO2002080785A8 (en) 2003-01-03
JP2004524920A (ja) 2004-08-19

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20031015

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: TETZLAFF, PHILIP MARK

Inventor name: BUYSSE,STEVEN PAUL

Inventor name: JOHNSON, KRISTIN, D.

Inventor name: DYCUS, SEAN, T.

Inventor name: LAWES, KATE, RYLAND

RIN1 Information on inventor provided before grant (corrected)

Inventor name: TETZLAFF, PHILIP MARK

Inventor name: BUYSSE,STEVEN PAUL

Inventor name: JOHNSON, KRISTIN, D.

Inventor name: DYCUS, SEAN, T.

Inventor name: LAWES, KATE, RYLAND

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SHERWOOD SERVICES AG

17Q First examination report despatched

Effective date: 20040909

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060105