Sims Deltec, Inc.

Jia Hu

Jay Gregory Johnson

James M Olsen

The present invention concerns a pump provided with a control module and an attachable fluid reservoir cassette. The control module includes a pumping mechanism for pumping fluid from the fluid reservoir to the patient. The cassette is provided with appropriate indicia to identify differences between a plurality of cassettes. The control module further includes cassette indicia identification structure for identifying indicia on the cassette. One type of cassette identification system includes a projection extending from the cassette and structure associated with the control module which engages the projection. Another type of cassette identification system includes a light reflecting system which utilizes light from the control module and reflected off the cassette. Still other types of cassette identification systems utilize other non-contact switches or sensors to sense indicia on the cassette to identify the cassette from a plurality of cassettes.

Systems and methods for cassette identification for drug pumps

The present invention describes a free-flow protection device. A pump and tube are provided where the pump affects the flow of fluid through the tube. The device occludes the tube when the tube becomes disengaged from the pump. The device may be internal or external to the tube. The tube may attach to the pump with a pressure plate.

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New Brighton, MN, United States of America

Jia Hu