US PATENT SUBCLASS 600 / 222
.~.~.~.~ With means to change parallel distance between blades

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}
220  DF  .~.~.~ Duck-Billed specula (e.g., vagina) {3}
222.~.~.~.~ With means to change parallel distance between blades

DEFINITION

Classification: 600/222

With means to change parallel distance between blades:

(under subclass 220) Subject matter wherein the vaginal-type specula comprises means to separate and enlarge the distance between the proximal portion of the jaws.