Life Testing of Vascular Prostheses

K Botzko; R Snyder; J Larkin; WS Edwards

doi:10.1520/STP35938S

SYMPOSIA PAPER Published: 01 October 1979

STP35938S

Life Testing of Vascular Prostheses

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A real-time in-vitro life tester for vascular prostheses has been developed and demonstrated. The existing tester can be used for initial testing of new materials and structures for vascular prostheses, minimizing expensive and difficult long-term animal implants. The in-vivo/in-vitro data suggest that a mechanical fatigue mode of failure must be investigated for new types of vascular prostheses. The short-term data achieved to date indicate that the most commonly used vascular prostheses material, Dacron yarn, initially loses some strength but then appears to stabilize. Teflon yarn, in a textile structure, demonstrates a slight gain in strength. Long-term explant data confirm these observations.

Author Information

Botzko, K

USCI Surgical Products, Billerica, Mass

Snyder, R

USCI Surgical Products, Billerica, Mass

Larkin, J

Albuquerque Veterans Administration Hospital, Albuquerque, N. Mex.

Edwards, WS

University of New Mexico School of Medicine, Albuquerque, N. Mex.

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Details

Developed by Committee: F04

Pages: 76–88

DOI: 10.1520/STP35938S

ISBN-EB: 978-0-8031-4751-5

ISBN-13: 978-0-8031-0313-9

Life Testing of Vascular Prostheses

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