US PATENT SUBCLASS 600 / 220
.~.~.~ Duck-Billed specula (e.g., vagina)

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.~.~.~ Duck-Billed specula (e.g., vagina) {3}
221  DF  .~.~.~.~> With auxiliary instrument
222  DF  .~.~.~.~> With means to change parallel distance between blades
223  DF  .~.~.~.~> With illuminating means

DEFINITION

Classification: 600/220

Duck-Billed specula (e.g., vagina):

(under subclass 219) Subject matter wherein the cooperating retracting members comprises a pair of blade-like jaws opening at a proximal portion and having a distal portion shaped to conform to the interior passage leading from external genital orifice of a female mammal to a uterus.