Mallinckrodt, Inc.

Liebel-Flarsheim Company LLC

Jonathon D Gibbs

Frank M Fago

Charles S Neer

An injector automatic limiting of the operating pressure of the injector as determined by the selection of a flow rate; a syringe cradle having a warming capability; a purge/retract trigger for control of the injection procedure having intuitive direction (i.e., forward for injecting, reverse for filing), non-contact control transmission through the housing of an injector for an improved seal integrity, a speed lock, and/or the ability to change the concentration and/or flow rate of media or other fluid during an injection procedure; a switch to determine when the drive ram is in a 'home' position; a 'soft' on/off power switch separate from the injector; and a structure to prevent rotation of the drive ram about its axis of symmetry. Additionally, the injector system includes software for the control of various components.

Injector

An injectorthat may be used to deliver radiographic contrast media and/or flushing solution into a patient's vascular system for the purposes such as obtaining enhanced diagnostic x-ray images. The injector includes the following features: (1) a syringe mountfor attachment of a syringeto the injector; (2) displayand controlsfor volume and flow rates; (3) automatic limiting of the operating pressure of the injectoras determined by the selection of a flow rate; (4) a syringe cradlehaving a warming capability; (5) a purge/retract triggerfor control of the injection procedure having intuitive direction (i.e., forward for injecting, reverse for filing), non-contact control transmission through the housing of an injectorfor an improved seal integrity, a speed lock, and/or the ability to change the concentration and/or flow rate of media or other fluid during an injection procedure; (6) a switch to determine when the drive ramis in a 'home' position; (7) a 'soft' on/off power switch separate from the injector; and (8) a structure to prevent rotation of the drive ramabout its axis of symmetry. Additionally, the injector system includes software for the control of various components.

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Mason, OH, United States of America

Jonathon D Gibbs