Doppler dead zone avoidance

Details Doppler dead zone avoidance Doppler dead zone avoidance

1994-11-22

1995-10-17

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

054581290

ABSTRACT:
A doppler dead zone avoidance method is used in an ultrasound imaging apparatus to avoid the situation where time of flight equals PRI, or the time between doppler firings. Initially, range gate size and transmit parameters are optimized. This optimization of range gate size and transmit parameters is used to minimally adjust an operator selected velocity scale, as needed. Higher velocity scales can be achieved, based on optimization and minimization.

REFERENCES:
patent: 5156154 (1992-10-01), Valenta, Jr. et al.

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