Work holders – Miscellaneous
Patent
1978-01-26
1978-08-22
Watson, Robert C.
Work holders
Miscellaneous
A61G 1300
Patent
active
041084268
ABSTRACT:
A device for holding the head of a patient in a fixed position during a surgical operation characterized by a base support, a ring-like curved element having a sufficient radius of curvature to enable receiving the head of a patient within the element, means for supporting the ring-like element on the base support including a ball and socket joint having means for manually arresting the joint in any desired position, a pad supported on a rod acting as a headrest, a pin supported on a rod for holding the head in a fixed position on the pads, and means for mounting the rods supporting the pad and the rod for supporting the pins so that a head is clamped therebetween within the curved element. Preferably, the curved element is a ring having an opening along one side and the mounting means for each of the rods includes a bolt extending through spaced apertures in the ring so that the position of the rods can be adjusted on the ring. In addition, the supporting means for the ring preferably includes a clamp which enables displacement of the ring or curved element within the clamp to vary the position of the opening relative to the supporting means.
REFERENCES:
patent: 2966383 (1960-12-01), Boetcker et al.
patent: 3835861 (1974-09-01), Kees et al.
Kvaerna Sverre
Lindstroem Harry
Siemens Aktiengesellschaft
Watson Robert C.
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