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Front loading injector with pressure jacket assembly

  • US 6,921,384 B2
  • Filed: 09/22/2003
  • Issued: 07/26/2005
  • Est. Priority Date: 08/25/1995
  • Status: Expired due to Fees
First Claim
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1. A fluid injection apparatus for use with a syringe, the fluid injection apparatus comprising:

  • an injector comprising a housing defining a front opening therein and a drive piston extendable through the front opening of the housing for imparting motive force to a plunger disposed within the syringe; and

    a pressure jacket assembly operably associated with the housing for substantially enclosing the syringe during an injection procedure, the pressure jacket assembly comprising;

    a jacket cylinder comprising a rear end coupled to the injector housing and an open front end for receiving the syringe therethrough;

    at least one support member comprising a rear end pivotally coupled to the injector housing and a front end; and

    a front member pivotally coupled to the front end of the at least one support member, wherein the front member is pivotable between a closed position for retaining the syringe within the jacket cylinder and an open position for allowing the syringe to he inserted into and removed from the front end of the jacket cylinder.

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