Medical diagnosis device for sensing cardiac activity and blood flow
First Claim
1. A medical device comprising:
- a casing small enough to hold in one'"'"'s hand, said casing having a surface adapted for engagement with the skin of a patient;
acoustoelectric transducer means mounted to said casing for sensing an acoustic vibration originating within the patient and for converting the sensed vibration to a first electrical signal;
transmitter means mounted to said casing and operatively coupled to said transducer means for wirelessly transmitting, to a receiver, a second electrical signal incorporating information from said first electrical signal;
ultrasonic wave generating means mounted to said casing for generating an ultrasonic pressure wave; and
ultrasonic sensor means mounted to said casing for detecting a reflected ultrasonic pressure wave returning to said casing upon generation of said wave by said wave generating means, said transmitter means being operatively connected to said sensor means for transmitting a signal encoding ultrasonic information from said sensor means.
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Accused Products
Abstract
A medical diagnostic method comprises the steps of automatically sensing an acoustic vibration inside a person, converting the sensed acoustic vibration to an electrical signal, amplifying the electrical signal, and converting the amplified electrical signal to an acoustic pressure wave. The steps of sensing and converting the sensed acoustic vibration to an electrical signal are implemented by operating an acoustoelectric transducer in a hand held device, and the method further comprises the step of holding the hand held device against a skin surface of the person. The method further comprises the steps of wirelessly transmitting the amplified signal to a receiver and printing or displaying the transmitted acoustic information after a processing thereof. The acoustic information or the processed information derived therefrom is advantageously printed in graphic form. Original acoustic information or processed information may be stored for subsequent use in diagnosing a patient. In another embodiment, the device is further provided with an ultrasonic generator, sensor, and processing circuitry for providing an indication of moving fluid, such as blood.
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Citations
7 Claims
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1. A medical device comprising:
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a casing small enough to hold in one'"'"'s hand, said casing having a surface adapted for engagement with the skin of a patient; acoustoelectric transducer means mounted to said casing for sensing an acoustic vibration originating within the patient and for converting the sensed vibration to a first electrical signal; transmitter means mounted to said casing and operatively coupled to said transducer means for wirelessly transmitting, to a receiver, a second electrical signal incorporating information from said first electrical signal; ultrasonic wave generating means mounted to said casing for generating an ultrasonic pressure wave; and ultrasonic sensor means mounted to said casing for detecting a reflected ultrasonic pressure wave returning to said casing upon generation of said wave by said wave generating means, said transmitter means being operatively connected to said sensor means for transmitting a signal encoding ultrasonic information from said sensor means. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A medical device comprising:
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a casing small enough to hold in one'"'"'s hand, said casing having a surface adapted for engagement with the skin of a patient; acoustoelectric transducer means mounted to said casing for sensing an acoustic vibration originating within the patient and for converting the sensed vibration to a first electrical signal; transmitter means mounted to said casing and operatively coupled to said transducer means for widely transmitting, to a receiver, a second electrical signal incorporating information from said first electrical signal; ultrasonic wave generating means mounted to said casing for generating an ultrasonic pressure wave; ultrasonic sensor means mounted to said casing for detecting a reflected ultrasonic pressure wave returning to said casing upon generation of said wave by said wave generating means; ultrasound analyzing means mounted to said casing and operatively connected to said sensor means for analyzing the reflected ultrasonic pressure wave detected by said sensor means; and indicator means mounted to said casing and operatively connected to said analyzing means for generating a signal sensible by an operator and indicating moving fluid.
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Specification