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Hypodermic device

  • US 4,676,256 A
  • Filed: 03/24/1986
  • Issued: 06/30/1987
  • Est. Priority Date: 03/24/1986
  • Status: Expired due to Fees
First Claim
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1. A device for extracting blood comprising:

  • a main body having a plurality of sockets with each socket having a needle therein with the longitudinal axis of each of the needles being substantially parallel to the longitudinal axis of each respective socket;

    an axially movable plug coaxially mounted within each socket adjacent an end of each needle;

    means interconnecting each of said needles to a main passage through said body;

    a hypodermic needle connected to said main passage; and

    one or more tubes, each having a sealed end with a predetermined amount of vacuum therein with each tube being operatively inserted into a selected socket for piercing the sealed end of the tube with a needle end and with the movable plug being axially displaced by the movement of the tube within the socket.

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