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Reusable lancet device

DC
  • US 5,464,418 A
  • Filed: 12/09/1993
  • Issued: 11/07/1995
  • Est. Priority Date: 12/09/1993
  • Status: Expired due to Term
First Claim
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1. To be used with a disposable lancet, an improved, reusable lancet device comprising:

  • an elongate housing of triangular cross-section,said housing including a closed first end, an open second end, and an elongate channel therein extending from said first end to said second end,an elongate needle holding member disposed within said channel and being movable therein between a cocked, retracted position and an extended position,said needle holder member including a distal segment, a central segment, and a proximal segment,said proximal segment being structured and disposed to protrude from said open second end of said housing and to hold the disposable lancet therein such that a point of the disposable lancet extends away from said needle holding member,biasing means structured and disposed to urge said needle holding member into said extended position, said biasing means including a spring disposed about said distal segment of said needle holding member, said spring abutting a flanged lip formed in said needle holding member between said distal segment and said central segment such that extension of said spring results in corresponding movement of said needle holding member,stopper means structured and disposed to limit an amount which said needle holding member moves axially and an amount which said needle holding member will protrude through said open second end of said housing, thereby retaining said needle holding member within said channel, said stopper means including an elongate slot disposed in said distal segment of said needle holding member, and a peg extending from an interior of said housing through said slot so as to limit movement of said needle holding member to a length of said slot,trigger means structured and disposed to maintain said needle holding member in said cocked, retracted position until released by a user, releasing by the user resulting in immediate movement of said needle holding member to said extended position, anda cap segment of triangular cross-section including an open first side structured and disposed to be matingly fitted over said open second end of said housing, and a piercing opening disposed in a second side thereof, said piercing opening being structured and disposed to enable the point of the lancet to extend therethrough into a piercing position upon release of said needle holding member from said cocked, retracted position.

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