A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/32 (2006.01)
Patent
CA 2499171
Disclosed is an ultrasonic surgical device having a distally/proximally movable fluid management system consisting of single lumen or multiple lumens.. The invention provides for the delivery of irrigation fluid or the removal of fluid, debris or vapor from the tissue-effecting portion of the blade while minimizing the loading on the blade. The blades of the surgical device, when excited at a natural blade system frequency, will have modal shapes characterized by longitudinal, transverse and / or torsional motion and will have nodal locations for these motions at positions along the tissue effecting length of the blade. The instrument is designed to allow for the fluid management system to be positioned at one or more motion nodes to facilitate efficient removal of tissue or fluid, which tends to accumulate at such nodes of the ultrasonic surgical blades.
L'invention concerne un dispositif médical ultrasonore ayant un système de gestion de fluide mobile de manière distale/proximale constitué d'une seule lumière ou de multiples lumières. L'invention concerne l'administration d'un fluide d'irrigation ou l'élimination d'un fluide, de débris ou d'une vapeur provenant de la partie effectrice de tissu de la lame et la réduction au minimum du chargement sur la lame. Les lames du dispositif chirurgical, une fois excitées à une fréquence naturelle du système de lames, vont présenter des formes modales caractérisées par un mouvement longitudinal, transversal et/ou de torsion et vont présenter des emplacements nodaux pour ces mouvements à des positions longeant la longueur effectrice de tissu de la lame. L'instrument est destiné à permettre au système de gestion du fluide d'être placé au niveau d'un ou plusieurs noeuds de mouvement afin de faciliter l'élimination efficace du tissu ou fluide, qui tend à s'accumuler au niveau de tels noeuds des lames chirurgicales ultrasonores.
Faller Craig N.
Messerly Jeffrey D.
Ethicon Endo-Surgery Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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