Systems and methods for luminal access

Details Systems and methods for luminal access Systems and methods for luminal access

A - Human Necessities

61

M

A61M 5/178 (2006.01)

Patent

CA 2587872

A luminal access system (20) comprises an evertable, lubricious sleeve (30), a pusher tube (22), and optionally a lumen tube (40). The evertable, lubricious sleeve is attached to a non-evertable sheath (36) which is coaxially received over the pusher tube. A distal portion of the evertable sleeve folds or everts into an axial passage of the pusher tube where it is connected to a lumen tube. A distal portion of the pusher tube may be bendable, typically comprising a relatively soft polymer which is circumferentially reinforced to enhance hoop strength.

Système d'accès luminal comprenant un manchon inversable et lubrifiant, un tube de poussée, et éventuellement un tube luminal. Le manchon est fixé à une gaine non inversable qui est reçue coaxialement sur le tube de poussée. Une partie distale du manchon se plie ou est renversée dans un passage axial du tube de poussée où il est fixé à un tube luminal. Une partie distale du tube de poussée peut être fléchie, et comprend normalement un polymère relativement mou qui est renforcé sur le pourtour afin d'améliorer sa résistance ou distorsions de son pourtour.

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