Patent ID: 11872355
Assignee: COVIDIEN LP
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 14:
15. The method of claim 14,
wherein injecting the plurality of fluorescent microbeads into the fluid comprises injecting a plurality of discrete boluses of the plurality of fluorescent microbeads into the fluid upstream of the light source at a predetermined time delay between each of the plurality of discrete boluses,
wherein each of the plurality of discrete boluses includes a predetermined volume of the plurality of fluorescent microbeads, and
wherein determining the flow rate of the fluid comprises determining the flow rate of the fluid based on:
a duration of the detected fluorescence response of at least two discrete boluses of fluorescent microbeads of the plurality of discrete boluses; and
a time delay between detection of the detected fluorescence response of the at least two discrete boluses of fluorescent microbeads.