US PATENT SUBCLASS 604 / 228
.~.~.~.~.~.~ Specific structure of means coupling piston to piston actuator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
181  DF  .~.~.~ Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir {3}
187  DF  .~.~.~.~ Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) {13}
218  DF  .~.~.~.~.~ With piston or plunger for expelling material from body or injector reservoir {15}
228.~.~.~.~.~.~ Specific structure of means coupling piston to piston actuator

DEFINITION

Classification: 604/228

Specific structure of means coupling piston to piston actuator:

(under subclass 218) Subject matter wherein significance is attributed to the means for connecting an initially separated piston and piston actuator, whereafter the actuator can be operated to impel material to or from the reservoir.

(1) Note. For patents to be classified herein, the specific structure of the connecting or coupling structure must be claimed.