A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/32 (2006.01) A61B 17/28 (2006.01)
Patent
CA 2653942
An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be configured for endoscopic applications and has an outside diameter of less than 6mm. The construction includes a clamping mechanism, including a clamp arm pivotally mounted at the distal portion of the instrument, which is specifically configured to create a desired level of tissue clamping forces. The clamping mechanism includes a two-piece pad design and pad material that enables the higher tissue clamping forces and a force-limiting mechanism that effectively smoothes out abusive tissue forces.
L'invention concerne un ensemble coagulateur et clamp ultrasonique conçu pour permettre de couper, de coaguler et de comprimer sélectivement un tissu durant des actes chirurgicaux. Une partie allongée de l'instrument peut être configurée pour des applications endoscopiques et présente un diamètre externe inférieur à 6 mm. La structure comprend un mécanisme de compression comportant un clamp monté de manière à pouvoir pivoter au niveau de la partie distale de l'instrument, ce mécanisme étant spécifiquement conçu pour créer un niveau souhaité de forces de compression du tissu. Le mécanisme de compression comporte une structure de coussinet en deux parties et un matériau de coussinet supportant des forces de compression du tissu plus élevées, ainsi qu'un mécanisme de limitation de force qui permet de supprimer les forces excessives appliquées sur le tissu.
Adams Thomas E.
Dannaher William D.
Fortson Reginald D.
Noschang Sarah A.
Weed John A. III
Ethicon Endo-Surgery Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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