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Puncturing device

  • US 6,248,120 B1
  • Filed: 01/10/2000
  • Issued: 06/19/2001
  • Est. Priority Date: 01/10/2000
  • Status: Expired due to Term
First Claim
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1. A puncturing device comprising a sleeve, a push element mounted at one end of the sleeve, a piston with a puncturing tip slidably mounted in the sleeve, a drive spring positioned between a face end of the push element and the piston and a return spring positioned inside the sleeve between another end of the sleeve and the piston, wherein the sleeve (1) has breakable wings (11) directed inwardly and the piston (5) has an external projection (12) which rests on said wings (11).

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