Multiple-layered leak resistant tube

Details Multiple-layered leak resistant tube Multiple-layered leak resistant tube

1997-11-24

1999-08-03

McDermott, Corrine

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent structure

604264, A61F 206

Patent

active

059318651

ABSTRACT:
The present invention is an improved tubular device for carrying liquids or gases that is resistant to leakage following a puncture. In its preferred form, the tubular device employs two or more concentrically mounted tube elements that are adapted to move relative to one another following puncture and removal of the puncturing device. This relative movement creates a discontinuous opening through the device that is resistant to fluid leakage. The device may likewise be constructed to cause at least one of the puncture holes to contract, thus further limiting fluid loss. The device of the present invention is particularly useful as an implantable device, such as a vascular graft.

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