Liquid flow regulator and monitor for infusion system

Claim 1

Apparatus for administering medicated liquid to a patient including a container for the liquid, a drip chamber immediately adjacent to said container and connected thereto with a hose line, and an extended hose line connecting said fluid in the container through said drip chamber to a body insertable cannula, means for suspending said liquid container above the body of the patient for gravitational flow of said liquid through said drip chamber and said extended hose line; the improvement comprising: liquid flow control means having an input fluid passage directly connected to the terminal end of said extended hose line opposite to that of said drip chamber, and an output fluid passage; said control means including metering means for metering and indicating the liquid passing therethrough; means for securing said control and metering means to the body of a patient adjacent to the point of entry of said body insertable cannula; said output fluid passage in said control means directly connected to said body insertable cannula and; valve means connected with said control means to vary the size of said fluid passage; whereby said control and metering means controls and meters the fluid passage at the point of entry of said body insertable cannula.