ENHANCED SIGNAL DETECTION FOR ACCESS DISCONNECTION SYSTEM

PROBLEM TO BE SOLVED: To provide enhanced devices, apparatuses, systems and methods for detecting dislodgement or disconnection of an access device, such as dislodgement of a needle inserted in a patient during dialysis therapy.SOLUTION: An access disconnection system includes an extracorporeal circ...

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Hauptverfasser:	LASSO ANGEL M, LAMBERSON GEORGE T, ROGER RODOLFO G, HARTRANFT THOMAS P, WARIAR RAMESH
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide enhanced devices, apparatuses, systems and methods for detecting dislodgement or disconnection of an access device, such as dislodgement of a needle inserted in a patient during dialysis therapy.SOLUTION: An access disconnection system includes an extracorporeal circuit; first and second contacts 48 and 50 provided in the extracorporeal circuit; a current source communicating with the first contact and configured to generate a current within fluid flowing through the extracorporeal circuit; and an apparatus positioned to apply a signal at multiple points along a path from the extracorporeal circuit, the signals tending to prevent at least a portion of the current from traveling through a ground path in parallel to the extracorporeal circuit.