Vascular access sheath for interventional devices

Details Vascular access sheath for interventional devices Vascular access sheath for interventional devices

1994-12-28

1998-07-14

Rimell, Sam

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604296, A61M 5178

Patent

active

057796815

ABSTRACT:
A vascular access sheath is provided for introducing catheters, stents, and other interventional devices into blood vessels. The invention comprises a stiff tubular catheter segment, which is designed to remain outside the body, having two hemostatic valves, most preferably of an iris valve design disposed at each end. A flexible sheath extends from one of the valves for insertion into the blood vessel. In operation, the valves are opened and closed one at a time, to allow relatively large devices to be introduced into the blood vessel without the valve pressing against the devices and with minimal loss of blood.

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