Injection system with hidden needles
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United States of America Patent
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Nov 17, 2009
Grant Date -
Feb 14, 2008
app pub date -
Aug 9, 2006
filing date -
Aug 9, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An auto-injector confines all functional components inside an enclosed housing, to keep its needle out-of-sight, at all times. Within the housing, a needle holder positions a needle at a location. A drive mechanism then simultaneously engages the needle with a fluid source and accelerates it with a predetermined momentum for insertion into a patient. After fluid delivery, the withdrawn needle is moved to storage within the housing for subsequent disposal.
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