Ultrasound bean shaping
AssigneeOxford University Innovation Limited
InventorsLuke RICHARDS, Robin CLEVELAND, Eleanor STRIDE
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Abstract
An ultrasound beam shaping device, and method of designing an ultrasound beam shaping device are disclosed. The beam shaping device comprises an array of waveguides formed in a structure that is capable of reflecting ultrasound. The lengths and cross-sections of the waveguides of the array are selected based on a desired shape of the ultrasound beam at a target, such that the amplitude and phase of the ultrasound emitted from the waveguides of the array provides the desired shape of the ultrasound beam at the target.
Claims39
A method of designing a beam shaping device for shaping an ultrasound beam from an ultrasound source, the beam shaping device comprising an array of waveguides formed in a structure that is capable of reflecting ultrasound, the method comprising:
- determining a desired shape of the ultrasound beam at a target;
- selecting lengths and cross-sections of the waveguides of the array based on the desired shape of the ultrasound beam and on an ultrasound field produced by an ultrasound source such that the amplitude and phase of the ultrasound emitted from the waveguides of the array provides the desired shape of the ultrasound beam at the target.
(canceled)
A beam shaping device for shaping an ultrasound beam from an ultrasound source, the beam shaping device comprising an array of waveguides formed in a structure that is capable of reflecting ultrasound, wherein the waveguides have lengths and cross-sections selected such that the amplitude and phase of the ultrasound emitted from the waveguides of the array provides a desired shape of an ultrasound beam at a target.
38-61. (canceled)
Dependencies are inferred from the claim text.