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Puncture device

  • US 7,611,492 B2
  • Filed: 11/09/2006
  • Issued: 11/03/2009
  • Est. Priority Date: 11/10/2005
  • Status: Expired due to Fees
First Claim
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1. A puncture device for puncturing a skin by a puncture needle, the puncture device comprising:

  • a device main body having a contact surface which contacts said skin;

    a puncture needle having a needlepoint and a curvature portion curved along the lengthwise direction of the puncture needle and possessing a predetermined curvature radius;

    an indwelling device configured to be indwelled in a living body by said puncture needle; and

    a puncture needle moving means provided in said device main body for moving said puncture needle along a circular trajectory which said curvature radius draws so that the puncture needle punctures said skin,wherein the puncture device is configured to prevent the needlepoint from protruding out of a surface of the skin while the puncture needle punctures the skin.

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