| 摘要 |
A device is provided for maintaining the head of a patient in predetermined spatial relationship to the body of the patient. The device comprises an truncated elliptical member (halo) adapted to fit around the patient's head from front to back. The device also includes a superstructure for attaching the open-backed halo to a vest worn by the patient. The superstructure includes both horizontal and vertical rack and pinion adjustments for adjusting the height and angulation of the halo.
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