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1. WO2002021992 - SURGICAL CAUTERIZING INSTRUMENT PARTICULARLY USEFUL AS A CAUTERIZING SCALPEL

Publication Number WO/2002/021992
Publication Date 21.03.2002
International Application No. PCT/IL2001/000837
International Filing Date 05.09.2001
Chapter 2 Demand Filed 13.03.2002
IPC
A61B 17/32 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
32Surgical cutting instruments
A61B 18/08 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
08by means of electrically-heated probes
CPC
A61B 17/3211
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
32Surgical cutting instruments
3209Incision instruments
3211Surgical scalpels, knives; Accessories therefor
A61B 18/082
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04by heating
08by means of electrically-heated probes
082Probes or electrodes therefor
Applicants
  • A.T.C.T ADVANCED THERMAL CHIPS TECHNOLOGIES LTD. [IL]/[IL] (AllExceptUS)
  • GOLAN, Gady [IL]/[IL] (UsOnly)
Inventors
  • GOLAN, Gady
Agents
  • G. E. EHRLICH
Priority Data
60/231,94012.09.2000US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SURGICAL CAUTERIZING INSTRUMENT PARTICULARLY USEFUL AS A CAUTERIZING SCALPEL
(FR) INSTRUMENT DE CAUTERISATION CHIRURGICAL PARTICULIEREMENT UTILE COMME SCALPEL DE CAUTERISATION
Abstract
(EN)
A surgical instrument having a handle (21) at one end, a metal cauterizing element, e.g., a cutting blade (31), at the opposite end, and an electrical heater (4) for electrically heating the cauterizing element; the electrical heater including at least one positive temperature coefficient (PTC) heater which heats the cauterizing element and maintains a relatively constant temperature therein despite variations in the thermal load, such that the electrical power consumed by the surgical instrument automatically changes with changes in pressure applied to the cauterizing element.
(FR)
Cette invention se rapporte à un instrument chirurgical comportant un manche à une extrémité, un élément de cautérisation en métal, par exemple une lame de coupe, à l'extrémité opposée, et un élément chauffant électrique destiné à chauffer électriquement l'élément de cautérisation. L'élément chauffant électrique contient au moins un élément chauffant à coefficient de température positif (PTC) qui chauffe l'élément de cautérisation et le maintient à une température relativement constante, malgré les variations de la charge thermique, de telle sorte que la puissance électrique consommée par l'instrument chirurgical varie automatiquement avec les variations de pression appliquées à l'élément de cautérisation.
Also published as
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