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Punctur device, its manufacture method, pump mechanism and suction device

  • US 20040059366A1
  • Filed: 07/11/2003
  • Published: 03/25/2004
  • Est. Priority Date: 01/12/2001
  • Status: Active Grant
First Claim
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1. A lancing device incorporating a vacuum generating mechanism, comprising:

  • a housing;

    a moving body movable relatively to the housing for forward movement of a needle;

    a driving mechanism for forward movement of the moving body;

    a hollow pressing portion at a front end of the housing for contact with a part where a puncture is to be made; and

    a pump mechanism capable of causing a vacuum to act inside the pressing portion, wherein the pump mechanism is capable of adjusting the vacuum.

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