Programmable phase velocity in an ultrasonic imaging system
First Claim
1. An ultrasonic image scanning system for scanning an organic object comprising:
- a beam former includes a phase velocity adjustment function for producing an ultrasonic image with a programmable phase velocity.
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Abstract
An ultrasonic image scanning system for scanning an organic object includes a beam former that provides a phase velocity adjustment function for producing an ultrasonic image with a programmable phase velocity. The ultrasonic image scanning system further includes a beam profile analysis function for calculating an optimal phase velocity with a user controller to adjust the phase velocity until a scan image of best image quality is achieved. Alternately, the system may provide an automatic phase velocity-scanning controller for automatically scanning through a range of phase velocities and selecting a best phase velocity generating a scanning image of a best quality. The system further includes a region of interest (ROI) controller for a user to select a region for scanning with a specific focal area for optimizing the phase velocity. The system may further provide a maximum gradient analyzer for selecting an image of a best quality in optimizing the phase velocity. A digital controller may also provide a real time programmable control by applying different control algorithms with combination of phase velocity and attenuation adjustment. A hardness computational processor is implemented to determine a tissue hardness using the phase velocity and in combination with the attenuation parameter.
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Citations
23 Claims
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1. An ultrasonic image scanning system for scanning an organic object comprising:
a beam former includes a phase velocity adjustment function for producing an ultrasonic image with a programmable phase velocity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for applying an ultrasound energy to acquire an ultrasonic image comprising:
changing a phase velocity in a beam forming process until a best-focused image is acquired. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
Specification