US PATENT SUBCLASS 604 / 122
.~.~.~ Having means for eliminating and/or preventing injection of air into body

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}
122.~.~.~ Having means for eliminating and/or preventing injection of air into body {4}
123  DF  .~.~.~.~> From pump injection device
124  DF  .~.~.~.~> From injection means moved by person to impel material into body {1}
126  DF  .~.~.~.~> By hydrophilic or hydrophobic filters
127  DF  .~.~.~.~> By low level float cutoff

DEFINITION

Classification: 604/122

Having means for eliminating and/or preventing injection of air into body:

(under subclass 93) Subject matter including means for removing air from a body treating material or from the means for placing the material in the body for the purpose of preventing injection of the air into the body.