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System for withdrawing blood

  • US 9,839,387 B2
  • Filed: 01/21/2014
  • Issued: 12/12/2017
  • Est. Priority Date: 10/31/2000
  • Status: Expired due to Term
First Claim
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1. A lancing unit, comprising:

  • a plurality of lancets, wherein each of the plurality of lancets includes a needle and a needle tip, wherein the needle tip is embedded in an elastomer before a puncture, and wherein the elastomer is pierced by the needle during a puncture process in order to free the needle tip, characterized in that the elastomer remains on the needle when the lancet is at a fully retracted position and the needle tip is exposed at the fully retracted position; and

    a magazine containing the plurality of lancets which can be successively coupled to a plunger of a drive unit.

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