US PATENT SUBCLASS 600 / 219
.~.~ With cooperating retracting members

Current as of: June, 1999
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600 /   HD   SURGERY

184  DF  SPECULA {2}
201  DF  .~ Retractor {12}
219.~.~ With cooperating retracting members {3}
220  DF  .~.~.~> Duck-Billed specula (e.g., vagina) {3}
224  DF  .~.~.~> Three or more members (e.g., trivalve speculum)
225  DF  .~.~.~> Pivots along longitudinal axis

DEFINITION

Classification: 600/219

With cooperating retracting members:

(under subclass 201) Subject matter wherein the retractor comprises at least two pivotally connected elements which are adapted to separate from each other to hold open a natural body orifice or a surgical incision or to push aside tissue in opposing directions.