A FAILURE ANALYSIS OF INTRAMUSCULAR RIGID IMPLANTS FOR MUSCLE CONTRACTIONS

Author:

KIM YOUNG-HO1,LOEB GERALD E.2,PECK RAYMOND A.2,SINGH JASSPREET2,DESHPANDE SUDEEP2,BAKER LUCINDA L.3,BRYANT J. TIMOTHY4

Affiliation:

1. Dept. of Biomedical Engineering, Institute of Medical Engineering, Yonsei University, 220-710 Heungup, Maeji, Wonju, Gangwon, 220-710, South Korea

2. Alfred E. Mann Institute for Biomedical Engineering, University of Southern California Los Angeles, CA 90089-1112, USA

3. Dept. of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, CA 90089-9006, USA

4. Clinical Mechanics Group, Queen's University, Kingston, ON, K7L 3N6, Canada

Abstract

Several studies have been made to develop different versions of new leadless, permanently implanted small electronic devices that allow to be injected into muscles (BIONs™). Their circuitry should be protected from body fluids by thin-walled hermetic capsules of rigid and brittle materials such as glass or ceramic to include feed through for their electrodes. These packages experience repetitive stresses due to the muscle contraction from their excitations. This study provides a worst-case analysis of such stresses and methods to test and validate devices intended for such usage, along with the failure analysis and remediation strategy for a design that experienced unanticipated failures in vivo.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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