Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2006-03-04
2009-12-08
Le, Long V (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S459000
Reexamination Certificate
active
07628756
ABSTRACT:
An emboli detector device receives a blood flow in a perfusion circuit. The connector-like device has a rigid plastic smooth body hermetically sealed from the blood. There is a calculated thin, but rigid window formed as part of the flow-through tubing wall to allow ultrasonic waves to interrogate the flowing blood. A dampening material is included in the ultrasound path to adjust the acoustic levels to an applicable range to monitor emboli. The device incorporates a mechanism to securely hold the transducer during operation and a sensing system for automatically informing a control system of which one of several standard perfusion circuit tubing diameters is being used. The ultrasound echoes detected by the transducer are provided to a controller which detects the emboli and provides a detection signal to warn the surgeon or other operating room personnel of the embolic event.
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Allen Brent William
Hacker Thomas G.
Le Long V
MacMillian Sobanski & Todd, LLC
Nguyen Hien
Terumo Cardiovascular Systems Corporation
Tisack, Esq. Gael Diane
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