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Medical apparatus for monitoring body liquid discharge

  • US 4,658,834 A
  • Filed: 03/16/1983
  • Issued: 04/21/1987
  • Est. Priority Date: 03/16/1983
  • Status: Expired due to Term
First Claim
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1. Medical apparatus useful for measuring the discharge of a liquid, such as urine, from a patients body, comprising:

  • housing means including a cavity having a floor surface;

    a substantially rigid wall container removably receivable in said cavity with a bottom wall portion of said container supported on said floor surface;

    conduit means for supplying said discharged liquid to the interior of said container to form a pool on an interior surface of said bottom wall portion;

    transducer means mounted in said floor surface for engaging an exterior surface of said container bottom wall portion whereby said transducer means is bacteriologically isolated from the liquid in said container;

    means for periodically energizing said transducer means to transmit energy through said bottom wall portion and said pool; and

    means for determining the time duration required for said transmitted energy to travel from said transducer means to the upper surface of said pool.

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