A system to measure 3-directional relative displacements for a biomedical application

V.L. Spiering, V. Gass, S. Jeanneret, N.F. de Rooij, K.H. Widmer, B. Zurfluh, E. Morscher

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    1 Citation (Scopus)
    76 Downloads (Pure)

    Abstract

    A micro system for measuring the relative displacements between a bone and an implant in a prosthetic hip of a human being has been realized. Novel are the small dimensions of the system combined with the possibility to measure relative displacements in three directions. The system consists of a microsensor body, a mechanical transducer element made by precision mechanics, electronics, and the final package. The realization and test results of a prototype system are presented. Typical ranges for these prototypes are ±500 μm for lateral directions and ±50 μm in axial direction.
    Original languageEnglish
    Pages (from-to)88-92
    JournalMicrosystem technologies
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 1995

    Keywords

    • Operating procedure
    • Axial direction
    • Biomedical application
    • Relative displacement
    • Small dimension

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