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Injection device

  • US 7,758,545 B2
  • Filed: 07/11/2007
  • Issued: 07/20/2010
  • Est. Priority Date: 07/14/2006
  • Status: Expired due to Fees
First Claim
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1. An injection device for the injection into a patient of a medical agent contained within a vial, comprising:

  • a housing;

    a compartment configured to receive the vial;

    a needle that is movable in a first direction in order to puncture the patient; and

    a pressing member configured to force the medical agent from the vial and through the needle into the patient;

    wherein the needle is movable from an initial position in accordance with a first motion profile in which the needle moves a first distance relative to the housing followed by a rest period, and in accordance with a second motion profile in which the needle is returned to the initial position without a rest period after moving relative to the housing to puncture the patient.

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