Two mechanisms have been discovered that can cause failure of polyurethane insulation; a form of stress cracking (SC) and metal catalyzed oxidation (MO). This report summarizes the results of investigation into cardiovascular lead insulation failures due to MO. The paper concentrates on four P80A insulated devices manufactured by Medtronic, Inc.
CITATION STYLE
Stokes, K. B., Berthelsen, W. A., & Davis, M. W. (1985). METAL CATALYZED OXIDATIVE DEGRADATION OF IMPLANTED POLYURETHANE DEVICES. In Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Material (Vol. 53, pp. 6–10). ACS. https://doi.org/10.1007/978-1-4613-1829-3_17
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