Bayer Healthcare LLC

Medrad, Inc.

Joelle A Rudnick

Michael A Spohn

Thomas P Joyce

Joseph B Havrilla

Adam J Hahn

Michael J Masters

William J Nolan, Jr

William J Nolan

Jason A Zaperach

Injector systems which include a syringe and a powered injector to inject a fluid into a patient are described. The powered injector includes a drive member, an energy source, at least one sensor for detecting energy from the energy source, and at least one contact member axially movable in the injector and in communication with the sensor. The syringe includes at least one indicator positioned at a predetermined position, such as on a rear surface of an attachment flange, which may transmit or reflect energy from the energy source to the sensor. The contact member may contact and be moved by the indicator when the syringe is attached to the powered injector, so that the energy detected by the sensor may be determined by the position of the indicator. The position of the indicator thereby provides information about the syringe configuration.

Injector system for encoding and sensing of syringe information

Injector systems including a syringe for use with a powered injector having a drive membre to inject a fluid into a patient having a first indicator positioned on the syringe at a predetermined position are described. The position of the first indicator may be associated with information about the syringe configuration. The first indicator can, for example, be positioned on a rear surface of an attachment flange of the syringe. The injector system includes sensors each having on and off states, and a shutter mechanism configured to place sensors in the on or off states. The state of each of the sensors provides a digital code corresponding to information on the syringe configuration.

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Moon Township, PA, United States of America

Joelle A Rudnick