Apparatus for use in surgery and a valve

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01) A61B 17/34 (2006.01) A61B 19/12 (2006.01) A61B 17/00 (2006.01) A61F 5/445 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2171177

Apparatus for use in surgery comprises a sleeve (1) having an entry opening (4) at an outer end and an exit opening (5) at an inner end to access a patient's body. Exit scaling means (10) are provided for sealing the exit opening (5) to a body. Entry sealing means (20) are provided for sealing the outer entry against an arm passing therethrough to create a controlled environment within the sleeve. A valve (101) comprises an outer ring (105, 106) and a sealing sleeve (107) of flexible material mounted to the ring (105, 106) and extending into the opening defined by the ring to terminate in a substantially centrally disposed inlet opening (108). Through the opening (108) a member such as a trocar (103) or surgical instrument may be passed. The sealing sleeve (107) remains in sealing engagement with the member (103) as it is passed therthrough.

Un appareil selon l'invention destiné à être utilisé en chirurgie comprend un manchon (1) dont une extrémité externe présente une ouverture d'admission (4) et une extrémité interne présente une ouverture de sortie (5) permettant d'accéder au corps du patient. Des moyens (10) d'étanchéité de sortie permettent de fermer de manière étanche l'ouverture externe (5) donnant sur le corps du patient. Des moyens (20) d'étanchéité d'admission permettent de fermer de manière étanche l'entrée externe contre un bras passé dans cette dernière de manière à créer un environnement contrôlé à l'intérieur du manchon. Un obturateur (101) selon l'invention comporte un anneau externe (105, 106) sur lequel est monté un manchon d'étanchéité (107) en matière flexible s'étendant dans l'ouverture définie par ledit anneau jusqu'à une ouverture d'admission centrale (108). Il est possible de passer un élément tel qu'un trocart (103) ou un instrument chirurgical par ladite ouverture (108). Le manchon d'étanchéité (107) traversé par ledit élément (103) reste en contact étanche avec celui-ci.

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