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Controlling Plunger Drives for Fluid Injections in Animals

  • US 20080167615A1
  • Filed: 03/20/2008
  • Published: 07/10/2008
  • Est. Priority Date: 11/24/1993
  • Status: Active Grant
First Claim
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1. A medical fluid injector comprising:

  • a plunger drive for moving a plunger of a syringe forward and rearward inside the syringe;

    an electronic control circuit controlling the plunger drive; and

    a hall effect sensor connected to the control circuit for delivering a first signal to the control circuit indicative of a magnetic field, the control circuit responding to the first signal to alter operating functions of the injector.

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