Patent ID: 6817986
Filing Date: 2004-11-16
Classification: A61M,Y10S

Abstract:
A system for determining the time duration (&Dgr;t) of an injection for use in a compliance monitoring program, said system comprising:a fluid medicament injector having a first switch for changing states at the start of the injection and a second switch for changing states at the end of the injection; and an electronic clock connected to said first and second switches to establish an injection start time (to) in response to said first switch changing states and an injection end time (te) in response to said second switch changing states, said start time (to) and said end time (te) for calculating the time duration (&Dgr;t) where &Dgr;t=teâˆ’to; wherein said injector has a trigger to initiate the injection and said first switch is a trigger release.