Fabrics for heart valve and vascular prostheses and methods of f

Details Fabrics for heart valve and vascular prostheses and methods of f Fabrics for heart valve and vascular prostheses and methods of f

1978-04-28

1980-03-04

Kee Chi, James

Textiles: weaving

Fabrics

Drier felts

139387R, 139420R, 3 14, 28155, 87 7, 87 8, D03D 700, D03D 302, A61F 122, D04C 100

Patent

active

041912187

ABSTRACT:
Prostheses for inadequate or diseased heart valves and blood vessels, formed of fabrics comprising multifilament synthetic yarns. For a heart valve the fabric is supported on a three-lobed frame. During manufacture, the fabric is subjected to a plural step compressive shrinking and crimping process to impart nonisotropic elastic compliance approximating the natural mechanical properties. The resulting composite structures are free of thrombogenic complications.

REFERENCES:
patent: 2836181 (1958-05-01), Tapp
patent: 2978787 (1961-04-01), Liebig
patent: 2990605 (1961-07-01), Demsyk
patent: 3011527 (1961-12-01), Corbiere
patent: 3096560 (1963-07-01), Liebig
patent: 3130418 (1964-04-01), Head et al.
patent: 3409960 (1968-11-01), Dusenbury et al.
patent: 3429219 (1969-02-01), Wood, Jr.
patent: 3588920 (1971-06-01), Wesolowski

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