Introducer system having kink resistant splittable sheath

Details Introducer system having kink resistant splittable sheath Introducer system having kink resistant splittable sheath

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61M 25/06 (2006.01) A61N 1/05 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2134735

This invention relates to a flexible kink resistant introducer system for introducing an elongated object into the venous system and especially for introducing a cardiac pacemaker lead. The introducer system features a sheath having a kink resistant section allowing the sheath to be bent in that region and still allow a lead to be introduced therethrough. The kink resistant section comprises a series of bellows or pleats. The bellows or pleats may further be arranged to form a screw about a portion of the sheath to thereby permit the sheath to be screwed into body tissue. The sheath preferably is constructed to readily tear in a longitudinal direction and thus permits the system to be removed from the venous system without having to withdraw the sheath over an end of the pacemaker lead.

Introducteur flexible résistant aux faux plis, servant à introduire un objet allongé dans le système veineux, et plus particulièrement à introduire une électrode de stimulateur cardiaque. L'introducteur comprend une gaine munie d'une partie résistante aux faux plis, qui permet de plier la gaine à cet endroit sans bloquer le passage de l'électrode. La section résistante aux faux plis comporte une série de soufflets ou de plis qui peuvent en outre être disposés pour former un fil de vis autour d'une section de la gaine afin de permettre de visser cette dernière dans les tissus d'un organisme. La gaine est de préférence fabriquée pour pouvoir se déchirer facilement dans un axe longitudinal, ce qui permet de retirer l'introducteur du système veineux sans avoir à faire passer la gaine par-dessus l'extrémité de l'électrode du stimulateur cardiaque.

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