A Solution Grade Biostable Polyurethane Elastomer: ChronoFlex® AR

Hill, F.B. 1960. "Polytetramethylene Ether Polyurethane Polymers;' U.S. patent 2,929,800.

Hunt, O. L. 1971. U.S. patent 3,553,290.

Ketterer, C. C. 1985. U.S. patent 4,504,612.

Pierce, W.S. , Turner, M.C. et al. 1967. "Mechanical Left Ventricular Assistance: Experimental Studies Using an Implantable Roller Pump ," Trans. Am. Soc Artif. Inter. Org., 13:299.

Rossitto, C., A. Andover and D. B. Taylor. 1973. U.S. patent 3,752,786.

Gilding, D. K. and J. A. Taylor. 1977. U.S. patent 4,062,834.

Stephenson, M. 1977. "Antimicrobial Sutures," U.S. patent 4,024,871.

Levy, A.J. 1985. "Segmented Polyurethane Surgical Buttressing Pledgets ;' Oct. 29, U.S. patent 4,549,545.

Rinke, H. H., H. Schild and W. Siefken. 1938. U.S. patent 2,511,544.

Belisle, J. , S.K. Maier and J.A. Tucker. 1990. "Compositional Analysis of Biomer;' J. Biomed. Mater. Res., 24:1585-1598.

Szycher, M. , A.M. Reed and A.A. Siciliano. 1991. "In vivo Testing of a Biostable Polyurethane," J. Biomat. Appl., 6:110-130.

Szycher, M. and W.A. McArthur. 1985. "Surface Fissuring of Polyurethanes Following in vivo Exposure," Corrosion and Degradation of Implant Materials , ASTM STP 859, Fraker and Griffin , eds., Philadelphia, PA: pp. 308-321.

Szycher, M. 1988. "Biostability of Polyurethane Elastomers: A Critical Review;' J. Biomat. Appln., 3(2):299-402.

Stokes, K.B. , P. Urbanski and R. Cobian. 1987. "New Test Methods for the Evaluation of Stress Cracking and Metal Catalyzed Oxidation in Implanted Polymers," in Polyurethanes in Biomedical Engineering II, H. Planck et al., eds., Amsterdam: Elsevier, pp. 109-127.