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Body surface contour deformation sensor

  • US 4,122,838 A
  • Filed: 08/09/1976
  • Issued: 10/31/1978
  • Est. Priority Date: 08/09/1976
  • Status: Expired due to Term
First Claim
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1. A detector for detecting body swelling or edema, comprising:

  • a chamber defined by a stiff portion encircled by a skirt of specified width and which skirt is exposed for contact and sealing against a selected area of a patient to enable localized swelling or edema of the patient;

    the chamber being generally rectangular and open on one side thereof;

    the skirt extending outwardly along four edges in a common plane;

    a side wall appended to said skirt and which side wall is interrupted by an opening means connected through a hollow tube adapted to be connected to an alarm device; and

    wherein said surrounding skirt is notched at a portion thereof to define an alignment means for a needle or catheter.

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