Colavos, G.C., H.W. Bonk and H. Ulrich. "Thermoplastic Polyurethane: An Alternative to PVC for Food and Medical Applications," SPE National Technical Conference, Nov. 8 to 10, 1977, Denver, Colorado .
7.
Szycher, M., V.L. Poirier and D. Dempsey. "Synthesis and Fabrication of Polyurethane Elastomers for Cardiac Assist Systems;' Proc. SPE 35th Annual Technical Conference, 35:743 (1977).
8.
Szycher, M. "Extrudable Polyurethane for Prosthetic Devices Prepared from a Diisocyanate, an Ether Glycol and 1,4 Butane Diol," U.S. Patent No. 4,447,590 (May, 1984).
9.
Szycher, M. and V.L. Poirier. "Synthetic Polymers in Artificial Hearts: A Progress Report ," Industrial Chemistry Engineering, 22(4):588 (1983).
10.
Pentz, W.J. and R.G. Krawiec. "Hydrolytic Stability of Polyurethane Elastomers," Rubber Age, 107(2):39-43 (1975).
11.
Gahimer, F.H. and F.W. Nieske. "Hydrolytic Stability of Urethanes and Polyacrylate Elastomers in a Human Environment," J. Elast. Plast., 1:266 (1969).
12.
Ossefort, Z.T. and F.B. Testtroet. "Hydrolytic Stability of Urethane Elastomers ," Rubber Chem. and Tech., 39(4) (1966).
13.
Poirier, V.L. "Fabrication and Testing of Flocked Blood Pump Bladders," in Synthetic Biomedical Polymers. M. Szycher and W. Robinson , eds. Lancaster, PA:Technomic Publishing Co., p. 106 (1980).
14.
Darby, T.D. , H.J. Johnson and S.J. Northrup. "An Evaluation of a Polyure. thane for Use as a Medical-Grade Plastic," ToxicoL Appl. Pharmacol. , 46: 449 (1978).
15.
Steinhoff, D. and E. Grundmann. "Zur Cancerogenen Wirkung Von 3-3'dicholoro-4,4'-diaminodiphenylmethan Bei Ratten," Naturwissenschaften, 58:578 (1971).
16.
NationalToxicology Program Technical Report on the Carcinogenesis Bioassay of 4,4'-Methylene-dianiline Dihydrochloride, NTP-81-143, NIH Publication No. 82-2504, National Institutes of Health, Bethesda, Maryland (1982).
17.
Shimizur, H. and N. Takemura. "Mutagenicity of Some Aromatic Amino Compounds, and Its Relation to Carcinogenicity," Sangyo Igaku , 18:138 (1976).
18.
McLaughlin, J. , Jr., P.P. Marliac, M.J. Verrett, M.K. Mutchler and J.G. Fitzhugh. "The Injection of Chemicals Into the Yolk Sac of Fertile Eggs Prior to Incubation as a Toxicity Test;' Toxicol. Appl. Pharmacol., 5:760 (1963).
19.
Casarett, L.J. "Toxicologic Evaluation," in Toxicology: The Basic Science of Poisons. L. H. Casarett and J. Daull, eds. New York: Macmillan, p. 24 (1976).
20.
Szycher, M., V.L. Poirier and D.J. Dempsey. "Development of an Aliphatic Biomedical.Grade Polyurethane Elastomer,"J. Elast. Plast., 15:81 (1983).
21.
Ulrich, H. and H.W. Bonk. "Emerging Biomedical Applications of Polyurethane Elastomers ," Proc. SPI 27th Annu. Conf, Bal Harbor, Florida, p. 143 (1982).
22.
Szycher, M. , V. Poirier, D. Dempsey and W. Robinson. "Development and Testing of Melt-Processable Aliphatic Polyurethane Elastomers," Trans. Soc. Biomater. , 6:49 (1983).
23.
Szycher, M. and V.L. Poirier. "Polyurethanes in Implantable Devices ," MDDI, 6:5, 46 (1984).
24.
"Clinical Applications of Biomaterials," presented at the Consensus Development Conference, National Institutes of Health, Bethesda, Maryland, Nov. 1-3, 1982.
25.
Zdrahala, R.J. , D.E. Spielvogel and M.A. Strand. "Softening of Thermoplastic Polyurethanes: A Structure/Property Study," J. Biomat. Appl. , 4(2):544 (1988).
26.
Lyman, D.J. , F.J. Fazzio, H. Voorhees, G. Robinson and D. Albo, Jr.J. of Biomat. Res., 12:337 (1978).
27.
Martz, H., R. Paynter, J.C. Forest, A. Downs and R. Guidoin.Biomaterials, 8:3 (1987).
28.
Stenquist, O., I.D. Linder and B. Gustavsson.Acta. Anaesthesiol. Scand., 27:153 (1983).
29.
Zdrahala, R.J. , D.D. Solomon, D.J. Lentz and C.W. McGary, Jr.Polyurethanes in Biomedical Engineering, II. H. Planck et al., eds. Elsevier Science Publishing Co., p. 1 (1987).
30.
Zdrahala, R.J. and C.W. McGary, Jr.Mat. Res. Society Symposium Proc , 55:407 (1986).
Altman, L.K. "U.S. Panel Strongly Endorses Artificial Heart," The New York Times, Sec. A, p. 1, col. 3 (May 24, 1985).
40.
Szycher, M. and W.A. McArthur. "Surface Fissuring of Polyurethanes Following in vivo Exposure ," in Corrosion and Degradation of Implant Materials. Fraker and Griffin, eds. Second Symposium, ASTM, STP, 859, Philadelphia, Pennsylvania, pp. 308-321 (1985).
Szycher, M., D. Dempsey and V.L. Poirier. "Surface Fissuring of Polyurethane-Based Pacemaker Leads ," Second World Congress on Biomaterials, Tenth Annual Meeting of the Society for Biomaterials, Washington, DC, p. 24 ( 1984).
43.
Lelah, M.D. and S.L. Cooper.Polyurethanes in Medicine, 6. CRC Press (1986).
44.
Lemm, W., L. Pirling and E.S. Bucherl. "Biodegradation of Some Biomaterials in vitro," Proc. Europ. Soc. Artif. Organs, 7:86-90 (1980).
45.
Lemm, W., T. Krukenberg and G. Regier, et al. "Biodegradation of Some Biomaterials After Subcutaneous Implantation," Proc. Europ. Soc. Artif. Organs, 8:71-75 (1981).
46.
Williams, D.F. "The Biodegradation of Surgical Polymers," in Polyurethanes in Biomedical Engineering. Planck, ed. Elsevier Science Publishing Co. (1984).
47.
Ratner, B.D., R.W. Paynter and H.R. Thomas. "Polyurethane Surfaces-An XPS Study," Trans. 9th Annual Meeting, Society for Biomaterials, Birmingham, Alabama, p. 21 ( 1983).
48.
Davis, M.W. and K.B. Stokes. "In vivo Oxidative Stress Cracking of Polyether Polyurethanes ," Trans. 11th Annual Meeting, Society for Biomaterials , p. 54 (1985 ).