MR apparatus provided with an open magnet system and a...

Details MR apparatus provided with an open magnet system and a... MR apparatus provided with an open magnet system and a...

2005-03-22

2005-03-22

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

C335S299000

Reexamination Certificate

active

06870453

ABSTRACT:
The invention relates to an MR apparatus that is provided with an open magnet system and a quadrature coil system that includes a resonator that is tuned by tuning capacitors on at least one of the two sides of the steady magnetic field, said resonator including two large-area electrical conductors that are situated at a distance from one another and are connected to one another in a number of connection points that are distributed along the circumference, and are also provided with at least two terminals that are distributed along the circumference in order to receive or generate RF magnetic fields that are mutually offset in phase. The invention also relates to a corresponding quadrature coil system.

REFERENCES:
patent: 4567017 (1986-01-01), Vaidyanathan et al.
patent: 5128615 (1992-07-01), Oppelt et al.
patent: 5212450 (1993-05-01), Murphy-Boesch et al.
patent: 5467017 (1995-11-01), Duerr et al.
patent: 6441615 (2002-08-01), Fujita et al.
patent: 20020145428 (2002-10-01), Nistler et al.
patent: 20030100826 (2003-05-01), Savelainen

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