US PATENT SUBCLASS 604 / 105
.~.~.~.~ Expanding bow

Current as of: June, 1999
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604 /   HD   SURGERY

19  DF  MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.) {7}
48  DF  .~ Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin {9}
93  DF  .~.~ Material introduced or removed through conduit, holder, or implantable reservoir inserted in body {30}
104  DF  .~.~.~ Having means expanding body orifice or canal (e.g., dilator, retaining means, etc.) {2}
105.~.~.~.~ Expanding bow

DEFINITION

Classification: 604/105

Expanding bow:

(under subclass 104) Subject matter wherein the means for expanding the body opening is one or more bowlike members carried upon the conduit which are secured at their ends and in which expansion is produced by causing the ends of said bowlike members to approach each other to dilate said body opening.