Disposable injection device
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United States of America Patent
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-
Jul 19, 2005
Grant Date -
N/A
app pub date -
May 25, 2000
filing date -
Jun 10, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A single-use injection device, includes a pre-filled syringe (1), a syringe body (5) which is integral with the said syringe, and a protective case (10), the syringe body and protective case being provided with elements (9, 14, 15, 21) for relative locking in translation, which permit their relative displacement between a position of injection and a position of protection after use. The injection device includes a locking ring (23), which is provided with digital support elements (24), and locking units (25), which can lock the syringe body (5) and the protective case (10), in their position of injection, during injection, and can be displaced axially, such as to permit relative displacement of the syringe body and protective case, towards their position of protection after use, under the effect of the action of resilient member (27), only when the plunger (4) has reached its end of travel.
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