Nova Patents
ZA9799B

An electrosurgical instrument

Abstract

An electrosurgical instrument, which is used for the treatment of tissue in the presence of an electrically-conductive fluid medium, comprises an instrument shaft (10), and an electrode assembly (12) at one end of the shaft. The electrode assembly (12) comprises a tissue treatment electrode (14) and a return electrode (18) which is electrically insulated from the tissue treatment electrode by means of an insulation member (16). The tissue treatment electrode (14) is exposed at the distal end portion of the instrument (10), and the return electrode (18) has a fluid contact surface spaced proximally from the exposed end of the tissue treatment electrode by the insulation member (16). The exposed end of the tissue treatment electrode (14) is constituted by a single coiled filament (94) made of an electrically-conductive material. <IMAGE> <IMAGE> <IMAGE> <IMAGE>

Term

Term ended

Expired 7 January 2017, 9.7 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

155 members in 16 offices

This recordMember, by publication datePriority claim6 more offices are in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
9600377United KingdomA
GB19960000377–––

Members155

Family members, oldest first
DocumentOfficeKind
GB9512888D0United KingdomD0
GB9512889D0United KingdomD0
GB9526627D0United KingdomD0
GB9600352D0United KingdomD0
GB9600355D0United KingdomD0
GB9600356D0United KingdomD0
GB9600377D0United KingdomD0
GB9604770D0United KingdomD0
GB9607746D0United KingdomD0
GB9609280D0United KingdomD0
GB9612996D0United KingdomD0
IL118702A0IsraelA0
CA2179144A1CanadaA1
ZA965227BSouth AfricaB
AU5613296AAustraliaA
CA2224858A1CanadaA1
CA2224975A1CanadaA1
WO9700646A1World Intellectual Property Organization (WIPO)A1
WO9700647A1World Intellectual Property Organization (WIPO)A1
JPH0910223AJapanA
AU6132096AAustraliaA
AU6132196AAustraliaA
EP0754437A2European Patent Office (EPO)A2
EP0754437A3European Patent Office (EPO)A3
MX9602451AMexicoA
EP0771176A1European Patent Office (EPO)A1
CA2241456A1CanadaA1
WO9724073A1World Intellectual Property Organization (WIPO)A1
GB2308979AUnited KingdomA
GB2308980AUnited KingdomA
CA2241662A1CanadaA1
WO9724994A1World Intellectual Property Organization (WIPO)A1
ZA9799BThis recordSouth AfricaB
AU1103797AAustraliaA
AU1390397AAustraliaA
ZA965330BSouth AfricaB
ZA965225BSouth AfricaB
AR002569A1ArgentinaA1
AR002570A1ArgentinaA1
AR002571A1ArgentinaA1
EP0833593A1European Patent Office (EPO)A1
BR9602864ABrazilA
GB9806624D0United KingdomD0
GB9807303D0United KingdomD0
MX9800222AMexicoA
MX9800249AMexicoA
IL122713A0IsraelA0
CN1193268AChinaA
ZA9610685BSouth AfricaB
EP0869742A1European Patent Office (EPO)A1
EP0873089A1European Patent Office (EPO)A1
MX9805297AMexicoA
CN1209047AChinaA
AU703433B2AustraliaB2
BR9706969ABrazilA
KR19990028364ARepublic of KoreaA
KR19990028365ARepublic of KoreaA
AR005315A1ArgentinaA1
AR005405A1ArgentinaA1
BR9609421ABrazilA
BR9612395ABrazilA
JPH11507856AJapanA
JPH11507857AJapanA
AU710619B2AustraliaB2
WO9948430A1World Intellectual Property Organization (WIPO)A1
CA2326526A1CanadaA1
WO9951158A1World Intellectual Property Organization (WIPO)A1
AU3157599AAustraliaA
AU3160799AAustraliaA
KR19990076905ARepublic of KoreaA
KR19990077133ARepublic of KoreaA
US6004319AUnited States of AmericaA
US6015406AUnited States of AmericaA
US6027501AUnited States of AmericaA
JP2000502578AJapanA
US6056746AUnited States of AmericaA
AU719565B2AustraliaB2
JP2000506405AJapanA
US6074386AUnited States of AmericaA
AU721220B2AustraliaB2
EP0771176B1European Patent Office (EPO)B1
EP1025807A2European Patent Office (EPO)A2
DE69609473D1GermanyD1
EP1025807A3European Patent Office (EPO)A3
EP1050278A1European Patent Office (EPO)A1
ES2150676T3SpainT3
EP1065981A1European Patent Office (EPO)A1
US6174308B1United States of AmericaB1
EP0833593B1European Patent Office (EPO)B1
EP1082944A1European Patent Office (EPO)A1
AU730895B2AustraliaB2
DE69611912D1GermanyD1
ES2154824T3SpainT3
DE69609473T2GermanyT2
IL122713AIsraelA
IL118702AIsraelA
US6261286B1United States of AmericaB1
DE69611912T2GermanyT2
US6277114B1United States of AmericaB1
US6293942B1United States of AmericaB1
Showing 100 of 155