Jacobson, Price, Holman & Stern
Device for use in controlling intravenous drip
 A device for use in controlling the intravenous drip comprises a cap and a dripping vessel. The cap is connected with a solution bottle of the intravenous drip by means of an upper connecting tube while the dripping vessel is in communication with a hypodermic needle by means of a lower connecting tube. The cap is provided thereon with a gas column having therein a gas duct in which a press rod is movably disposed. The gas in the upper connecting tube and the dripping vessel can be let out rapidly by means of the press rod. 
A A F
A61M A61M F16K
inventional inventional inventional
Yueh-Horng
Chen