US PATENT SUBCLASS 600 / 489
.~.~.~ Ophthalmodynamometer

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
481  DF  .~ Cardiovascular {6}
485  DF  .~.~ Measuring pressure in heart or blood vessel {3}
489.~.~.~ Ophthalmodynamometer

DEFINITION

Classification: 600/489

Ophthalmodynamometer:

(under subclass 485) Subject matter including means for applying pressure against the eye to close the retinal artery.

(1) Note. As is well known, pressure applied to the surface of the eye affects pulsation of the retinal artery and can be correlated to pressure within the artery.

SEE OR SEARCH CLASS

351, Optics: Eye Examining, Vision Testing and Correcting,

6+, for ophthalmoscopes and retinoscopes.