Valved introducer assembly and method therefor

Details Valved introducer assembly and method therefor Valved introducer assembly and method therefor

A - Human Necessities

61

M

A61M 25/06 (2006.01) A61M 39/06 (2006.01)

Patent

CA 2575055

An introducer assembly includes a sheath having a sheath proximal end and distal end, and a passage therethrough. The introducer assembly further includes a valve assembly (130) that is sealingly associated with the passage of the sheath. The valve assembly includes a valve having a first seal and a second seal, where the first and second seal optionally have different sealing properties. For example, the first seal and the second seal have different thicknesses, different sealing durometers, or otherwise different sealing features. In another option, the sheath is removable from the instrument disposed therethrough. In yet another option, the valve of the valve assembly further includes a chamber disposed between the first and second seals. The seals are spaced to accommodate devices with multiple flow holes therein.

Un ensemble introducteur comprend une gaine possédant une extrémité proximale et une extrémité distale de gaine et, un passage à travers cette gaine. Cet ensemble introducteur comprend aussi un ensemble vanne qui est associé de manière étanche avec le passage de la gaine. Cet ensemble vanne comprend une vanne possédant un premier joint et un second joint, le premier joint et le second joint possédant éventuellement différentes propriétés d'étanchéité. Par exemple, le premier joint et le second joint possèdent des épaisseurs différentes, des duretés d'étanchéité différentes ou encore des caractéristiques d'étanchéité différentes. Dans une autre variante, la gaine peut-être retirée de l'instrument placé dans celle-ci. Dans encore une autre variante, la vanne de l'ensemble vanne comprend aussi une chambre placée entre le premier et le second joint. Les joints sont espacés de façon à recevoir des dispositifs possédant des trous d'écoulement multiples.

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