System and method for piercing dermal tissue
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United States of America Patent
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N/A
Issued Date -
Aug 10, 2006
app pub date -
Feb 3, 2004
filing date -
Mar 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for piercing dermal tissue includes a skin-piercing element (e.g., an integrated micro-needle and biosensor medical device), at least one electrical contact (e.g., an electrical skin contact) and a meter configured for measuring an electrical characteristic (e.g., resistance and/or impedance) existent between the skin-piercing element and the electrical contact(s) when the system is in use. The electrical contact(s) can be integrated with a pressure/contact ring of the meter to provide a compact and inexpensive system compatible with integrated micro-needle and biosensor medical devices. Also, a method for piercing dermal tissue that includes contacting dermal tissue (e.g., skin) with at least one electrical contact and inserting a skin-piercing element into the dermal tissue while measuring an electrical characteristic existent between the skin-piercing element and the electrical contact(s).
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