Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith
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United States of America Patent
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Aug 2, 2016
Issued Date -
N/A
app pub date -
Apr 1, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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Abstract
A fluid delivery device comprising a fluid reservoir; a transcutaneous access tool fluidly coupled to the fluid reservoir; and a drive mechanism for driving fluid from the reservoir, the drive mechanism comprising a plunger received in the reservoir; a leadscrew extending from the plunger; a nut threadably engaged with the leadscrew; a drive wheel; and a clutch mechanism coupled to the drive wheel, wherein the clutch mechanism is configured to allow the nut to pass through when disengaged and is configured to grip the nut when engaged such that the drive wheel rotates the nut to advance the drive rod and the plunger into the reservoir.
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