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AUTO-INJECTION DEVICE WITH NEEDLE PROTECTING CAP HAVING OUTER AND INNER SLEEVES

  • US 20110098656A1
  • Filed: 05/28/2004
  • Published: 04/28/2011
  • Est. Priority Date: 09/27/2005
  • Status: Active Grant
First Claim
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1. An injection device comprising:

  • a housing adapted to receive a syringe having a discharge nozzle and having a boot that covers its discharge nozzle, so that the syringe is movable between a retracted position in which the discharge nozzle is contained within the housing and an extended position in which the discharge nozzle extends from the housing through an exit aperture;

    a releasable locking mechanism that retains the syringe in its retracted position; and

    a housing closure member that can occupy a first position, in which it locates on the housing and prevents the locking mechanism from being released, and a second position, in which it does not prevent the locking mechanism from being released, the first position of the housing closure member being one in which it engages the boot, so that movement of the housing closure member to its second position results in removal of the boot from the syringe.

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