US PATENT SUBCLASS 600 / 232
.~.~.~.~ Three sided rectangular frame

Current as of: June, 1999
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600 /   HD   SURGERY

184  DF  SPECULA {2}
201  DF  .~ Retractor {12}
227  DF  .~.~ With holder {3}
231  DF  .~.~.~ Supporting frame {2}
232.~.~.~.~ Three sided rectangular frame

DEFINITION

Classification: 600/232

Three sided rectangular frame:

(under subclass 231) Subject matter wherein the supporting frame surrounds the area of the patient to be retracted on three sides.