US PATENT SUBCLASS 604 / 9
.~ With flow control means (e.g., check valves, hydrocephalus pumps, etc.)

Current as of: June, 1999
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604 /   HD   SURGERY

8  DF  DEVICES TRANSFERRING FLUIDS FROM WITHIN ONE AREA OF BODY TO ANOTHER (E.G., SHUNTS, ETC.) {1}
9.~ With flow control means (e.g., check valves, hydrocephalus pumps, etc.) {1}
10  DF  .~.~> With antisiphon means

DEFINITION

Classification: 604/9

With flow control means (e.g., check valves, hydrocephalus pumps, etc.):

(under subclass 8) Subject matter including means to regulate the rate, direction, and pressure of flow within the transferring conduit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

247, for fluid responsive means mounted in other devices for controlling flow into or out of the body.