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System for detecting probe dislodgement

  • US 4,294,263 A
  • Filed: 09/13/1979
  • Issued: 10/13/1981
  • Est. Priority Date: 12/07/1977
  • Status: Expired due to Term
First Claim
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1. Apparatus for sensing skin contact probe dislodgement, comprising:

  • (a) housing means defining a skin contact surface for said probe;

    (b) photoreceptive means located on said skin contact surface of said housing means;

    (c) alarm means energized by reception by said photoreceptive means of light, said light having an intensity exceeding a predetermined level, said alarm means being placed a distance away from said housing means; and

    (d) photo transmitting means extending out from said housing means for connecting said photoreceptive means and said distant light receptive alarm means.

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