US PATENT SUBCLASS 604 / 68
.~.~ Needleless hypodermic injector

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}
68.~.~ Needleless hypodermic injector {4}
69  DF  .~.~.~> Material expelled from injector by explosive charge
70  DF  .~.~.~> Material expelled from injector by pressurized fluid
71  DF  .~.~.~> Multidose type
72  DF  .~.~.~> Structure of material reservoir replaceably held in injector

DEFINITION

Classification: 604/68

Needleless hypodermic injector:

(under subclass 48) Subject matter wherein a body treating material is forced through the skin without the use of a piercing conduit or needle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

131+, for devices for automatically forcing material into the body through piercing conduits.