RF coil identification and testing interface for NMR systems

Details RF coil identification and testing interface for NMR systems RF coil identification and testing interface for NMR systems

1998-09-02

2000-01-11

Casler, Brian L.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

324318, 324322, A61B 5055

Patent

active

RE0364959

ABSTRACT:
A movable patient supporting portion (10) of a patient couch (A) includes a socket (26) for receiving a mating plug (24) on a localized coil (B). The patient couch selectively inserts the localized coil and a supported patient into a bore (14) of a cryogenic magnet system (C). The localized coil includes a resistor (86) whose magnitude identifies the coil. A coil identification interrogator (84) interrogates the coil identification resistor and derives a corresponding binary coil identification. The coil identification addresses a look-up table (90) to retrieve diagnostic test information, an identification of a coil for a human-readable display, and, preferably, an identification of an isocenter of the coil. A diagnostic test unit (92) electrically tests the coil through the plug and socket connection with the diagnostic tests prescribed by the look-up table. A display interface (94) converts error messages from the diagnostic test unit and the coil identification from the look-up table into appropriate format for a display (40). A couch computer (18) controls a motor (20) in accordance with the isocenter of the coil from the look-up table to control positioning of the patient and the localized coil.

REFERENCES:
patent: 4972852 (1990-11-01), Koob et al.
patent: 5065760 (1991-11-01), Krause et al.
patent: 5144244 (1992-09-01), Kess
patent: 5457387 (1995-10-01), Patrick et al.
patent: 5461314 (1995-10-01), Arakawa et al.

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