Detachable hemostasis valve and splittable sheath assembly

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/06 (2006.01)

Patent

CA 2531644

A system for connecting a hemostasis valve (70) to a splittable sheath (100) includes an interface formed between a ledge (206) on the proximal end of a cannula portion (200) of the hemostasis valve (70) and an engagement structure (214) aligned with the handles (220) of the splittable sheath (100). Pulling the handles (220) to split the sheath (100) likewise disengages the ledge (206) from the engagement structure (214). A snap ring (202) on the cannula portion (200) engages a snap ring (212) in the lumen of a sheath hub (208) formed on the proximal end of the splittable sheath (100). An O-ring (204) between the cannula portion 200) and the sheath hub (208) provides a fluid- tight seal.

La présente invention concerne un système permettant de monter une valve hémostatique (70) sur une gaine à dédoublement (100). Ce système comprend une interface entre un épaulement (206) de l'extrémité proximale d'une partie en canule (200) de la valve hémostatique (70) et une structure prenante (214) dans l'alignement des languettes (220) de la gaine à dédoublement (100). Ainsi, une traction sur les languettes (220) pour dédoubler la gaine (100) dégage l'épaulement (206) de la structure prenante (214). Une bague ressort (220) située sur la partie en canule (200) se bloque sur une bague ressort (212) située dans la lumière d'un mandrin de gaine (208) formé sur l'extrémité proximale de la gaine à dédoublement (100). Un joint torique (204) placé entre la partie en canule (200) et le mandrin de gaine (208) réalise une étanchéité aux fluides.

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