US PATENT SUBCLASS 600 / 224
.~.~.~ Three or more members (e.g., trivalve speculum)

Current as of: June, 1999
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600 /   HD   SURGERY

184  DF  SPECULA {2}
201  DF  .~ Retractor {12}
219  DF  .~.~ With cooperating retracting members {3}
224.~.~.~ Three or more members (e.g., trivalve speculum)

DEFINITION

Classification: 600/224

Three or more members (e.g., trivalve specula):

(under subclass 219) Subject matter wherein the retractor comprises more than two connected elements adapted to separate from each other to hold open a natural body orifice or a surgically created opening to push aside tissue in opposing directions.