Gradient coils in magnetic resonance imaging machines

Details Gradient coils in magnetic resonance imaging machines Gradient coils in magnetic resonance imaging machines

1997-01-06

1998-10-13

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01V 300

Patent

active

058217487

ABSTRACT:
In magnetic resonance imaging machines the gradient coils which generate fast changing magnetic fields vibrate and generate considerable levels of sound. In this invention the vibration of the gradient coils is utilized to generate sounds to communicate with a patient in the machine. The sounds may originate from an operator via a microphone, or may be computer generated.

REFERENCES:
patent: 5384537 (1995-01-01), Ito et al.
patent: 5427102 (1995-06-01), Shimode et al.
patent: 5481192 (1996-01-01), Mehlkopf et al.
patent: 5577504 (1996-11-01), Salloway et al.

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