Ultrasonic transducer probe drive mechanism with position sensor

Details Ultrasonic transducer probe drive mechanism with position sensor Ultrasonic transducer probe drive mechanism with position sensor

1985-01-14

1987-03-17

Howell, Kyle L.

Surgery

Truss

Pad

73620, A61B 1000

Patent

active

046499253

ABSTRACT:
An ultrasonic transducer probe is provided, in which the transducer is oscillated by a crank shaft for sector scanning. The crank shaft is driven by a motor having a moving magnet stack assembly in a tubular set of electromagnetic coils. The motor also moves a bimetallic pin through a position sensor coil so that the position of the transducer is represented by the detected inductance change of the coil.

REFERENCES:
patent: 3741004 (1973-06-01), Posakony
patent: 4094306 (1978-06-01), Kossoff
patent: 4130022 (1976-12-01), Goodrich et al.
patent: 4375818 (1983-03-01), Suwaki et al.
patent: 4407293 (1983-10-01), Suarez, Jr. et al.
patent: 4421118 (1983-12-01), Dow et al.

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