Ultrasonic internal examination system
First Claim
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1. An ultrasonic internal examination apparatus, which comprises:
- a probe having an insert section with a rigid tip portion at a distal end thereof for being inserted into an intracavitary portion of interest, said tip portion having a substantially spherically shaped cavity and a substantially cylindrical outer profile such that said insert section has a substantially uniform diameter over the length thereof;
an ultrasonic vibratory element positioned in said cavity; and
an ultrasonic transmissive medium of a predetermined acoustic impedance located in said cavity for transmission and reception of ultrasonic signals and for forming an acoustic lens wherein said cavity has an inner wall surface of a substantially circular shape along an axial cross-section thereof for focusing of said ultrasonic signals transmitted from said vibratory element.
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Abstract
Described herein is an ultrasonic internal examination system of the type having a rigid tip portion at the distal end of an ultrasonic probe to be inserted into an intracavitary portion of interest, and an ultrasonic vibratory element accommodated in a cavity formed in the rigid tip portion and filled with an ultrasonic transmissive medium for transmission and reception of signals. The rigid tip portion is formed with a cylindrical shaped outer configuration and internally defines a cavity having a radially concave curved inner wall surface of a predetermined radius of curvature on the inner periphery thereof.
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Citations
2 Claims
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1. An ultrasonic internal examination apparatus, which comprises:
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a probe having an insert section with a rigid tip portion at a distal end thereof for being inserted into an intracavitary portion of interest, said tip portion having a substantially spherically shaped cavity and a substantially cylindrical outer profile such that said insert section has a substantially uniform diameter over the length thereof; an ultrasonic vibratory element positioned in said cavity; and an ultrasonic transmissive medium of a predetermined acoustic impedance located in said cavity for transmission and reception of ultrasonic signals and for forming an acoustic lens wherein said cavity has an inner wall surface of a substantially circular shape along an axial cross-section thereof for focusing of said ultrasonic signals transmitted from said vibratory element. - View Dependent Claims (2)
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Specification