Motorized patient support for eye examination or treatment

Details Motorized patient support for eye examination or treatment Motorized patient support for eye examination or treatment

2008-07-22

2008-07-22

Stultz, Jessica T (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Support

C351S246000

Reexamination Certificate

active

07401921

ABSTRACT:
A motorized head supporting and positioning apparatus is disclosed, such as is useful for eye examination or treatment. The apparatus includes head-receiving supports, which can include a forehead rest and a chinrest, which can be linked by a single arm assembly. A main assembly of the apparatus contains a motor assembly, which can include three motors driven in a coupled manner to guide a head along a three-dimensional path at a speed that is comfortable to the patient. The apparatus can be relatively compact, owing at least in part to a pivoted approximate Z-axis movement along the optical axis. In addition to open-loop operation, the apparatus can be used with a tracking subsystem to achieve closed-loop positioning in real time, as well as to enable the activation of an examination/treatment instrument when the eye is brought within an acceptable tolerance of a desired position.

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