US 12,343,500 B2
Ultrasonic infusion monitor
Maurice James Hennessy, Limerick (IE); Ronald Hidalgo, Killaloe (IE); Kevin O'Brien, Thurles (IE); and Thomas Cleary, Nenagh (IE)
Assigned to CAREFUSION 303, INC., San Diego, CA (US)
Filed by CAREFUSION 303, INC., San Diego, CA (US)
Filed on Aug. 31, 2022, as Appl. No. 17/900,350.
Claims priority of provisional application 63/240,324, filed on Sep. 2, 2021.
Prior Publication US 2023/0061369 A1, Mar. 2, 2023
Int. Cl. A61M 5/168 (2006.01); A61M 39/10 (2006.01); G01F 1/66 (2022.01); G01F 1/667 (2022.01)
CPC A61M 5/16886 (2013.01) [A61M 5/16804 (2013.01); A61M 39/10 (2013.01); G01F 1/662 (2013.01); G01F 1/667 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A flow rate detector comprising:
a reusable sensor chassis configured to fit over an outer surface of a disposable conduit section, the reusable sensor chassis configured to attach along a length of the disposable conduit section by way of first and second transducer guides formed with an outer surface of the disposable conduit, and comprising first and second transducers configured to, when the reusable sensor chassis is attached to the disposable conduit section, measure a flow rate of a fluid passing through the disposable conduit section by measuring an electronic transmission between the first and second transducers through the fluid,
wherein the reusable sensor chassis comprises a first inverted cavity that houses the first transducer and a second inverted cavity that houses the second transducer, each inverted cavity configured to slide over a corresponding transducer guide and align a corresponding transducer with the corresponding transducer guide when the reusable sensor chassis is attached along the length of the disposable conduit,
wherein when each inverted cavity is slid over the respective transducer guide, a flat surface of the respective transducer guide slides into the respective inverted cavity of the inverted cavity and interfaces with a floor of the inverted cavity.