Surgery – Truss – Pad
Patent
1976-09-30
1979-05-29
Truluck, Dalton L.
Surgery
Truss
Pad
73626, A61B 500
Patent
active
041563042
ABSTRACT:
The combination of a "C" mode scan electronics in a portable, battery powered biomedical ultrasonoscope having "A" and "M" mode scan electronics, the latter including a clock generator for generating clock pulses, a cathode ray tube having X, Y and Z axis inputs, a sweep generator connected between the clock generator and the X axis input of the cathode ray tube for generating a cathode ray sweep signal synchronized by the clock pulses, and a receiver adapted to be connected to the Z axis input of the cathode ray tube. The "C" mode scan electronics comprises a plurality of transducer elements arranged in a row and adapted to be positioned on the skin of the patient's body for converting a pulsed electrical signal to a pulsed ultrasonic signal, radiating the ultrasonic signal into the patient's body, picking up the echoes reflected from interfaces in the patient's body and converting the echoes to electrical signals; a plurality of transmitters, each transmitter being coupled to a respective transducer for transmitting a pulsed electrical signal thereto and for transmitting the converted electrical echo signals directly to the receiver, a sequencer connected between the clock generator and the plurality of transmitters and responsive to the clock pulses for firing the transmitters in cyclic order; and a staircase voltage generator connected between the clock generator and the Y axis input of the cathode ray tube for generating a staircase voltage having steps synchronized by the clock pulses.
REFERENCES:
patent: 3274821 (1966-09-01), Weighart
patent: 3292018 (1966-12-01), Clynes
patent: 3554013 (1971-01-01), Berg
patent: 3881466 (1975-05-01), Wilcox
patent: 3884325 (1975-05-01), Cowles
patent: 3942358 (1976-03-01), Pies
patent: 4016862 (1977-04-01), Lancee et al.
Brekke Darrell G.
Manning John R.
McMillan Armand
Thaler Michael H.
The United States of America as represented by the Administrator
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