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Integrated sensor for medical applications

  • US 9,943,265 B2
  • Filed: 01/08/2014
  • Issued: 04/17/2018
  • Est. Priority Date: 06/30/2009
  • Status: Active Grant
First Claim
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1. A sensing assemblage for measuring a parameter of the musculoskeletal system comprising:

  • a waveguide having a reflective feature at a first end wherein the waveguide comprises polyethylene or urethane; and

    a transducer coupled to a second end of the waveguide wherein the waveguide and the transducer are configured to measure loading applied to an insert when placed in a prosthetic knee joint, wherein the transducer is configured to emit ultrasound waves into the waveguide and detect reflected ultrasound waves from the reflective feature, wherein the transducer is configured to output a signal upon detecting reflected energy waves that relates to a load magnitude applied to the insert and corresponds to a dimension of the waveguide under load.

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