Needle-insertion device
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United States of America Patent
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-
Nov 16, 2010
Grant Date -
Jun 15, 2006
app pub date -
Dec 11, 2003
filing date -
Dec 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a lancing apparatus (A1) used for inserting an insertion element (21) into a human skin (Sk) for sampling a body fluid. The lancing apparatus (A1) includes a housing (1) with a cylindrical portion (12) brought into contact with the skin (Sk), a negative pressure generator (6) that generates a negative pressure inside the cylindrical portion (12) to cause the skin (Sk) to swell upward, and a detector (5) that detects that the skin (Sk) has been raised to a predetermined height inside the cylindrical portion (12).
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