Hand activated ultrasonic instrument

A - Human Necessities – 61 – B

Patent

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A61B 17/32 (2006.01)

Patent

CA 2529740

An ultrasonic surgical clamp coagulator apparatus (120) is configured to effect cutting, coagulation, and clamping of tissue by cooperation of a clamping mechanism of the apparatus with an associated ultrasonic end- effector. The handle of the apparatus is configured to permit hand activation for cutting, coagulation, and clamping of tissue during surgical procedures. In order to promote convenient and efficient use of the apparatus, the fingertip controls (36a), (36b) are provided directly into the disposal shears handle in a position that allows surgeons to activate the device without repositioning their hand. The two buttons provide independent control of the two power levels available from the generator, matching the two foot pedal configuration of the prior art.

L'invention concerne un dispositif de coagulation de pince chirurgicale à ultrasons, conçu pour réaliser le découpage, la coagulation, et le pincement de tissus grâce à la coopération d'un mécanisme de pincement du dispositif, avec un organe terminal à ultrasons associé. La poignée du dispositif est conçue pour permettre une activation manuelle pour le découpage, la coagulation, et le pincement de tissus au cours de procédures chirurgicales. Pour permettre une utilisation simple et efficace du dispositif, des éléments de placement de pointes de doigts sont disposés directement dans la poignée de ciseaux jetables, selon une disposition qui permet au chirurgien d'activer le dispositif sans avoir à replacer ses doigts. Les deux boutons permettent de commander de façon indépendante les deux niveaux de puissance fournis par le générateur, pour correspondre à la configuration à double pédale de l'état de la technique.

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