Patent ID: 7658726

Claim:
A drip chamber for medical lines, including: a generally cylindrical body having an inlet and an outlet and a precision flow regulator integrated therewith; said precision flow regulator comprising a first body having an inlet fitting and a second body having an outlet fitting, said first and second body being coupled together in a rotary way with the interposition of a gasket so as to open progressively the communication between said inlet fitting and said outlet fitting through dosage passages, said second body having an annular attachment skirt permanently fixed on said inlet end of the body of the drip chamber; said second body bearing a peripheral graduated scale co-operating with an indicator of said first body, said indicator consisting of an integral side appendage of said first body shaped as a window projecting from a side wall of said first body and over said graduated scale, so as to form a raised window framing at least one value of said peripheral graduated scale while leaving other values thereof visible.