Puncturing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 19, 2001
Grant Date -
N/A
app pub date -
Jan 10, 2000
filing date -
Jan 10, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A puncturing device according to the invention comprises a sleeve (1), a push element (2) mounted at one end of the sleeve (1), a piston (5) having a puncturing tip (7) slidably mounted in the sleeve (1), a drive spring (9) positioned between the face end of the push element (2) and the piston (5) and a return spring (10) positioned inside the said sleeve (1) between its bottom (3) with an opening (4) for the puncturing tip (7) and the said piston (5) characterized in that the sleeve (1) has wings (11) directed inwardly and the projection (12) of the piston (5) rests on the said wings (11).
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