Medical insertion device with hemostatic valve

Details Medical insertion device with hemostatic valve Medical insertion device with hemostatic valve

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61M 39/06 (2006.01)

Patent

CA 2236608

A medical insertion device that reduces the drag force exerted on an elongated member such as a catheter 43b that is inserted through the device, increases maneuverability of the elongated member throughout the procedure in which the device is used and provides hemostasis. The device comprises a sheath housing 20 and shuttle housing 22 wherein the shuttle housing moves relative to the sheath housing. An elastomeric valve 28 that contains an openable radial slit 60 is provided in the sheath housing and provides hemostasis until the shuttle housing is biased towards the sheath housing. When the shuttle housing is biased forward, a generally tubular shuttle tube 44 in the shuttle housing opens the slit in the elastomeric valve. The device is constructed so that, within the shuttle housing, hemostasis is provided after the shuttle tube has biased the elastomeric valve open.

L'invention porte sur un dispositif médical d'introduction qui réduit la force de résistance exercée sur un élément allongé, tel qu'un cathéter 43b, introduit au moyen du dispositif, améliore la maniabilité de l'élément allongé tout au long de l'intervention pour laquelle on utilise ce dernier et permet d'exécuter une hémostase. Le dispositif comporte un boîtier manchon 20 et un boîtier navette 22 se déplaçant par rapport au boîtier manchon. L'invention prévoit, dans ce dernier, un obturateur élastomérique 28 doté d'une fente radiale 60 pouvant s'ouvrir et permet d'exécuter une hémostase jusqu'à ce que le boîtier navette soit poussé vers le boîtier manchon. Lorsque le boîtier navette est poussé vers l'avant, un tube navette 44 généralement cylindrique ouvre la fente de l'obturateur élastomérique. Le dispositif est construit de sorte à permettre, à l'intérieur du boîtier navette, l'exécution d'une hémostase une fois que le tube navette a ouvert l'obturateur élastomérique.

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