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Cantilevered spring contact for an implantable medical device

  • US 8,784,143 B2
  • Filed: 03/30/2012
  • Issued: 07/22/2014
  • Est. Priority Date: 04/20/2011
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a housing that is rigid, defining a housing passage extending along a longitudinal axis, from a proximal portion including a proximal lip that defines a proximal opening, to a distal portion including a distal lip that defines a distal opening, the housing including an inner surface; and

    an electrical contact spring disposed in the housing, the electrical contact spring defining an electrical contact spring passage concentric to the housing passage, the electrical contact spring comprising;

    a distal ring portion disposed adjacent the distal portion of the housing and physically coupled to the housing;

    a proximal ring portion disposed near the proximal portion of the housing, the proximal ring portion being cantilevered and suspended inside of the housing and spaced apart from the inner surface of the housing, and a plurality of electrical contact spring elements coupled to and extending from the distal ring portion to the proximal ring portion.

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