A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/138 (2006.01)
Patent
CA 2557652
An ultrasonic surgical shears includes an ultrasonic surgical blade, a clamping arm operable to open and close toward the blade, and a tissue pad attached to the clamping arm. A method for sealing a blood vessel of a patient includes obtaining an ultrasonic surgical shears and positioning the blood vessel between the blade and the tissue pad. The clamping arm is operated to exert an average coaptation pressure on the blood vessel between and including 60 psi and 210 psi. The blade is ultrasonically vibrated to transect and seal the blood vessel.
L'invention concerne des ciseaux chirurgicaux à ultrasons comprenant une lame chirurgicale à ultrasons, un bras de clampage fonctionnant en direction de la lame afin d'ouvrir et de fermer lesdits ciseaux chirurgicaux et un tampon de tissu fixé au bras de clampage. L'invention concerne également un procédé permettant d'obturer un vaisseau sanguin d'un patient qui consiste à utiliser des ciseaux chirurgicaux à ultrasons et à positionner le vaisseau sanguin entre la lame et le tampon de tissu. Le bras de clampage fonctionne afin d'exercer une pression moyenne de coaptation sur le vaisseau sanguin comprise entre 60 psi et 210 psi inclus. On fait vibrer la lame par ultrasons afin de couper transversalement le vaisseau sanguin et de l'obturer.
Houser Kevin L.
Noschang Sarah A.
Ethicon Endo-Surgery Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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