Device and method for delivering or withdrawing a substance through the skin
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United States of America Patent
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-
Oct 26, 2004
Grant Date -
Nov 27, 2003
app pub date -
Feb 4, 2003
filing date -
Feb 4, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for delivering or withdrawing a fluid through at least one layer of the skin is provided. A device includes a body having a top face, a bottom face, a side edge and at least one channel. The bottom face includes a first surface area and a second surface area adjacent to and recessed at a first distance from the first surface area. The bottom face further includes at least one raised protrusion disposed on the second surface area. The protrusion has a height from the first surface greater than the first distance. At least one dermal-access member is provided in the protrusion and is in fluid communication with the channel to deliver or withdraw the fluid. The dermal-access member extends at least 1 mm from the protrusion. A mechanism drives the device against the skin at a calculated speed of about 6 m/s to about 18 m/s.
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