초록 ▼

A nuclear magnetic resonance imaging apparatus capable of considerably reducing the disturbing acoustic noises originating from the vibration of the gradient coil. The apparatus includes a sandwich structure which is located between the body to be examined and the main magnet, comprising a viscoelas

A nuclear magnetic resonance imaging apparatus capable of considerably reducing the disturbing acoustic noises originating from the vibration of the gradient coil. The apparatus includes a sandwich structure which is located between the body to be examined and the main magnet, comprising a viscoelastic layer sandwiched by a first and a second sandwiching members.

대표청구항 ▼

A nuclear magnetic resonance imaging apparatus, comprising: a main magnet for generating a static magnetic field in a measurement space in which a body to be examined is to be placed; gradient coil means for producing gradient magnetic fields over the static magnetic field; means for detecting signa

A nuclear magnetic resonance imaging apparatus, comprising: a main magnet for generating a static magnetic field in a measurement space in which a body to be examined is to be placed; gradient coil means for producing gradient magnetic fields over the static magnetic field; means for detecting signals from the body in the static and gradient magnetic fields due to a nuclear magnetic resonance phenomenon; means for processing the detected signals so as to obtain tomographic images of the body at arbitrary cross sections; and a sandwich structure which is located between the body and the main magnet, comprising a viscoelastic layer sandwiched by a first and a second sandwiching members.