Tubular prostheses prepared from pericardial tissue

Details Tubular prostheses prepared from pericardial tissue Tubular prostheses prepared from pericardial tissue

1982-08-12

1985-03-05

Apley, Richard J.

Surgery

Truss

Pad

3 1, 128 1R, A61F 100

Patent

active

045021597

ABSTRACT:
Novel tubular prostheses, e.g. vascular or ureteral prostheses, prepared by sewing the opposed edges of a sheet of pericardial tissue together with a thread to form a longitudinal seam are disclosed. By disposing the thread in a suitable configuration along the seam, for example in a plurality of stitches each of which is secured with a knot, a tubular prosthesis results that can be cut transversely between its ends without unravelling the thread and substantially damaging the same. Use of bovine pericardial tissue is preferred since the range of compliances of tubular prostheses made therefrom is approximately comparable to the range in human arteries and veins, whereas tubular prostheses made from porcine pericardial tissue tend to be too compliant.

REFERENCES:
patent: 2978787 (1961-04-01), Liebig
patent: 3142067 (1964-07-01), Liebig
patent: 4209859 (1980-07-01), Hoffman
patent: 4222377 (1980-09-01), Burton
Sako, "Prevent. of Dilation in Autogenous Venous and Pericardial Grafts in the Thoracic Aorta", Surgery, 30, pp. 148-160 (1951).
Allen R. et al., "Modified Blalock Shunts Utilizing Pericardial Tube Grafts", Jour. Pediatr. Surg., 12(3), pp. 287-294 (1977).
Zapolanski A. et al., "Pericardial Graft for Intraoperative Balloon Pump Insertion", Ann. Thoracic Surg., 33(5), pp. 516-517 (May 1982).
Ornvold K. et al., "Structural Changes of Stabilized Porcine Pericardium After Experimental and Clinical Implantation", in Proc. Eur. Soc. for Artif. Organs, vol. VI, pp. 248-257, Geneva, Switzerland (1979).
"Polystan Bioprostheses", Polystan A/S, Copenhagen, Denmark, Oct. 1979 Brochure.

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