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PRICKING DEVICE

  • US 20100168774A1
  • Filed: 12/23/2009
  • Published: 07/01/2010
  • Est. Priority Date: 12/25/2008
  • Status: Abandoned Application
First Claim
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1. A pricking device comprising:

  • a lancet unit integrally formed with a needle; and

    a housing that houses said lancet unit for movement therein;

    wherein said lancet unit includesa unit body member movable within said housing in connection with a pricking operation to cause said needle to pop out of said housing; and

    a resilient piece;

    wherein said resilient piece includes a cam bump that may be engaged with a cam groove formed in said housing;

    said resilient piece being integrally formed with said unit body member, said resilient piece storing a force of elasticity as said unit body member is moved in connection with said pricking operation, said cam bump engaging within a foremost part of said cam groove when said unit body member has returned into said housing after the pricking operation, said cam bump being kept engaged within said foremost part under said force of elasticity stored in said resilient piece to keep a state of inhibiting re-popping out of said needle;

    said unit body member or said housing including a restoration member that stores therein another force of elasticity as said unit body member is moved in connection with said pricking operation, said restoration member causing said needle to be returned into the inside of said housing under said another force of elasticity after the pricking operation.

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