Neonate ultrasonic scanner

Details Neonate ultrasonic scanner Neonate ultrasonic scanner

1984-04-09

1985-05-21

Cohen, Lee S.

Surgery

Truss

Pad

73620, A61B 1000

Patent

active

045179859

ABSTRACT:
An ultrasonic scanner for medical diagnostics is disclosed. The scanner includes an upper head assembly and a lower drive assembly. The upper head assembly includes a fluid chamber filled with a liquid acoustic couplant. An oscillating transducer is driven in an asymmetric motion by a linkage coupled off-center to a flywheel within the fluid chamber. An inflatable bladder is provided in the upper assembly which is in fluid communication with the fluid chamber. The application of force to the membrane boot of the scanner forces fluid into the bladder. Once the external pressure is removed, the bladder is biased such that it is compressed, thereby forcing fluid to return to the fluid chamber and maintaining a generally constant pressure within the chamber. Supporting electronics are provided including means for compensating for the asymmetric motion of the transducer.

REFERENCES:
patent: 3990300 (1976-11-01), Kusoff
patent: 4059098 (1977-11-01), Murdock
patent: 4130022 (1978-12-01), Goodrich et al.
patent: 4141347 (1979-02-01), Green et al.
patent: 4151834 (1979-05-01), Sato et al.
patent: 4287767 (1981-09-01), Kretz
patent: 4375818 (1983-03-01), Suwaki et al.
patent: 4383447 (1983-05-01), Kretz
patent: 4424813 (1984-01-01), Havlice et al.

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