System and method for measuring sound velocity of tissue in an o

Details System and method for measuring sound velocity of tissue in an o System and method for measuring sound velocity of tissue in an o

1985-05-24

1987-03-31

Howell, Kyle L.

Surgery

Truss

Pad

73597, A61B 1000

Patent

active

046535055

ABSTRACT:
A system and method for measuring the sound velocity of the tissue within an object to be investigated. A pulse of ultrasonic energy is transmitted along a steered transmitting beam into the object by a first sub-array of transducer elements that are a distinct part of an array of transducer elements. The echoes of the pulses return to the array along a steered receiving beam activated by a second sub-array of transducer, and the system measures the propagation time for the pulse to leave and return to the array. The average sound velocity within the object can be determined from the measured propagation time and the known geometric characteristics of the array, sub-array, and steered angles. The system and method can also be modified to determine the sound velocity of an inner tissue body, such as a lever, within a larger object, such as a human body, being investigated.

REFERENCES:
patent: 4121468 (1978-10-01), Glover et al.
patent: 4252025 (1981-02-01), Robinson
patent: 4395909 (1983-08-01), Steinberg et al.
patent: 4523468 (1985-06-01), Derkocs et al.
patent: 4566459 (1986-01-01), Umemura et al.

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