Microneedle device for extraction and sensing of bodily fluids

  • US 7,344,499 B1
  • Filed: 12/02/1999
  • Issued: 03/18/2008
  • Est. Priority Date: 06/10/1998
  • Status: Expired due to Fees
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First Claim
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1. A device for collecting a sample of a biological fluid comprising:

  • one or more hollow or porous microneedles, each having a base end and a tip;

    a substrate to which the base end is attached or integrated; and

    at least one collection chamber suitable for collecting said sample of said biological fluid, said collection chamber selectably in fluid communication with the base end, and wherein said collection chamber comprises a one-way valve and an upper portion which is formed of a deformable material.

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  • 3 Assignments

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