Access device with expandable containment member

Details Access device with expandable containment member Access device with expandable containment member

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61B 17/22 (2006.01) A61B 17/3207 (2006.01)

Patent

CA 2276209

An access device (30) having a single sheath (32) is inserted into a body passage puncture, with an expandable member (43) of the access device (30) held to a minimum diameter using structure that does not increase the diameter of the access device, rather than a large diameter external sheath. The structure (34) for holding the expandable member (43) to a minimum diameter can subsequently be removed from the lumen of the access device (30), once the expandable member (43) has been expanded.

L'invention concerne un dispositif d'accès (30) comprenant une enveloppe unique (32), qui est introduit dans une ouverture de passage organique, un élément extensible (43) du dispositif d'accès (30) étant maintenu à un diamètre minimal à l'aide d'une structure qui n'augmente pas le diamètre du dispositif d'accès, plutôt qu'à l'aide d'une enveloppe externe à grand diamètre. La structure (34) qui maintient l'élément extensible (43) à un diamètre minimum peut ensuite être sortie par le lumen du dispositif d'accès (30), une fois que l'élément extensible (43) s'est dilaté.

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