PTFE implantable tubular prostheses with external coil support
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United States of America Patent
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Sep 17, 1996
Grant Date -
N/A
app pub date -
Aug 2, 1994
filing date -
Aug 2, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flexible implantable luminal device is disclosed, which is made from a porous cylindrical tube manufactured from extruded fluoropolymer. A fluoropolymer filament is wrapped helically around the external surface of the tube. The filament is fused to the tube to form a unitary composite structure by heating the wrapped tube to a temperature above the melting points of the fluoropolymers. The resulting composite is a radially reinforced flexible luminal prosthesis suitable for implantation, particularly, as a vascular graft or endoprosthesis. Also disclosed is a method for manufacturing the prosthesis.
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