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Disposable sensing device for real time fluid analysis

  • US 5,096,669 A
  • Filed: 09/15/1988
  • Issued: 03/17/1992
  • Est. Priority Date: 09/15/1988
  • Status: Expired due to Term
First Claim
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1. A disposable sensing device, adapted for insertion into reading apparatus, for sensing at least one component concentration in a fluid sample, comprising:

  • a housing;

    at least one sensor located in a sensor region within the housing;

    sample retaining means within the housing, for retaining the sample out of contact with the sensor, prior to sensing;

    sample collection means within the housing including an orifice for drawing the sample into the sample retaining means;

    a sample conduit connecting the sample retaining means with the sensor; and

    sample displacement means for automatically displacing the sample by actively forcing the sample through the sample conduit and into contact with the sensor to permit sensing, the automatic displacement of the sample being under the control of the reading apparatus.

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