Syringe content detection using rf energy

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/36 (2006.01) A61M 5/00 (2006.01) A61M 5/145 (2006.01) A61M 5/168 (2006.01) G01F 23/28 (2006.01)

Patent

CA 2660357

The present invention includes medical fluid injector systems that detect the contents and/or volume of such contents within a syringe of the system. For example, an RF signal from a first antenna of a medical fluid injector may be transmitted through a syringe associated with the medical fluid injector. At least some of the transmitted RF signal may be received by a second antenna of the medical fluid injector. An amount of the RF signal received by the second antenna may be measured to provide information regarding the contents and/or volume of such contents within the syringe.

La présente invention concerne des systèmes d'injecteur de fluide médical qui détectent le contenu et/ou le volume d'un tel contenu dans une seringue du système. Par exemple, un signal RF provenant d'une première antenne d'un injecteur de fluide médical peut être transmis à travers une seringue associée à l'injecteur de fluide médical. Au moins une partie du signal RF transmis peut être reçue par une seconde antenne de l'injecteur de fluide médical. Une quantité du signal RF reçu par la seconde antenne peut être mesurée pour fournir des informations sur le contenu et/ou le volume d'un tel contenu dans la seringue.

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