×

Microdroplet dispensing for a medical diagnostic device

  • US 6,830,934 B1
  • Filed: 12/03/1999
  • Issued: 12/14/2004
  • Est. Priority Date: 06/15/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A diagnostic reagent device for measuring an analyte concentration or characteristic of a biological fluid, including a non-absorbent substrate comprising:

  • a) a sample application area for accepting a sample of the biological fluid for analysis; and

    b) a predetermined hydrophilic surface area for receiving, by nonimpact printing, a pulsed stream of microdroplets of a diagnostic reagent liquid comprising thromboplastin that interacts with the sample to cause in the sample a physically-measurable change that can be related to the analyte concentration or characteristic of the fluid.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×