Multiple frequency doppler ultrasound probe

Details Multiple frequency doppler ultrasound probe Multiple frequency doppler ultrasound probe

2006-05-04

2009-06-23

Casler, Brian (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C073S625000, C073S626000, C367S157000, C367S180000

Reexamination Certificate

active

07549964

ABSTRACT:
A method of measuring blood flow through a blood vessel is provided using a single quasi-continuous mode probe that can support multiple frequencies without increasing the probe tip size. A plurality of elements are provided in the probe tip. Each element emits ultrasound waves using a long pulsed signal with each element having a different resonant frequency. Each element also receives ultrasound energy in a continuous mode. A selector is manually controlled by a practitioner to select the active element. The output may take a variety of forms. For example, the output may be printed, displayed, recorded to a memory, and/or played through a speaker or headset.

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