US PATENT SUBCLASS 604 / 187
.~.~.~.~ Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.)

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}
181  DF  .~.~.~ Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir {3}
187.~.~.~.~ Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) {13}
188  DF  .~.~.~.~.~> Having body piercing conduit mounted on syringe for rotation about its longitudinal axis
189  DF  .~.~.~.~.~> Having medical information (e.g., name of patient or medicament, etc.) means
190  DF  .~.~.~.~.~> Having fluid filter
191  DF  .~.~.~.~.~> Having plural material reservoirs
192  DF  .~.~.~.~.~> Having cover or protector for body entering conduit {5}
199  DF  .~.~.~.~.~> Having structure for facilitating sterilization of syringe or preventing contamination of material therein
200  DF  .~.~.~.~.~> Means broken, cut, pierced, or torn to permit material flow to or from body {1}
207  DF  .~.~.~.~.~> Having means for metering material flow to or from body {1}
212  DF  .~.~.~.~.~> Having collapsible material reservoir (e.g., squeeze bulb, etc.) {4}
217  DF  .~.~.~.~.~> Reservoir pressurized or exhausted by squeeze bulb
218  DF  .~.~.~.~.~> With piston or plunger for expelling material from body or injector reservoir {15}
239  DF  .~.~.~.~.~> Specific structure of body entering or piercing conduit
240  DF  .~.~.~.~.~> Specific structure of means connecting body entering conduit to syringe {3}

DEFINITION

Classification: 604/187

Injector or aspirator syringe supported only by person during use (e.g., handheld hypodermic syringe, douche tube with forced injector, etc.):

(under subclass 181) Subject matter wherein an injecting or aspirating syringe means for inserting or removing a body treating material into or from the body is entirely supported by a person or persons during the injection or removal of said material from the body.

(1) Note. To be included here, an injector or aspirator syringe must be entirely supported by a person or persons during the injection or removal of material into or from the body. A syringe means which is partially supported by a person and partialy supported by other means, such as a handheld nozzle attached to a supply hose leading to a

reservoir of body treating material which is not supported by a person (e.g., a gravity feed reservoir mounted on a stanchion), is not classifiable in this subclass or its indents. However, a hypodermic syringe having its needle inserted in the body of a patient (which thereby provides some support for the needle) and it barrel and other appurtenances supported by an attendant, is classifiable in this subclass or its indents, because the injector is entirely supported by persons.

SEE OR SEARCH CLASS

216, Etching a Substrate: Processes,

11, for the use of etching in the forming or treating of an article whose final configuration has a projection.