A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/00 (2006.01) A61B 17/02 (2006.01) A61B 19/00 (2006.01) A61B 17/30 (2006.01) A61B 17/34 (2006.01)
Patent
CA 2367626
This invention is a vacuum actuated tissue-lifting device (30), and method for performing a surgical procedure in an operative space of a patient. The device (30) has a shell (33) with a profile configured to surround a tissue surface of the patient, a vacuum port (35) located on the shell (33) for applying a vacuum between the shell (33), the tissue surface, and an air conduit (36) extending through the shell (33) to permit air to pass into the operative space of the patient when vacuum is applied. The device (30)also has an entry port (37) located on the shell (33), and a perforable membrane (38) located on the entry port (37) to provide a seal when a surgical instrument is inserted through the membrane (38) during the procedure. The device (30), and method of the invention eliminate the need for carbon dioxide insufflation, mechanical lifting devices which create obstruction, and high stress zones on tissues within the operative space created, and unwanted displacement of internal organs when the targeted tissue surface is lifted.
L'invention porte sur un dispositif (30) de soulèvement de tissus commandé par dépression et sur un procédé permettant d'effectuer un acte chirurgical dans l'espace opératoire d'un patient. Le dispositif (30) comporte une coquille (33) au profil configuré pour entourer la surface du tissu d'un patient, un orifice (35) d'évacuation percé dans la coquille (33) et permettant d'appliquer une dépression entre la coquille (33) et la surface du tissu, et un conduit (36) d'air traversant la coquille et permettant à l'air de passer dans l'espace opératoire du patient lorsqu'on applique la dépression. Le dispositif (30) présente par ailleurs un orifice (37) d'introduction percé dans la coquille (33) et une membrane (38) perforable placée sur ledit orifice (37) et constituant un joint servant lors de l'insertion de l'instrument chirurgical dans la membrane (38) pendant l'acte chirurgical. Le dispositif et le procédé de l'invention évitent l'insufflation de CO ou les dispositifs mécaniques qui créent des obstructions et des zones de contraintes élevées sur les tissus dans l'espace opératoire créé ainsi que les déplacements non intentionnels des organes internes lors du soulèvement du tissus.
Fox William D.
Harper Kevin A.
Sackman Jill E.
Ethicon Endo-Surgery Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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