Patent ID: 6348046
Filing Date: 2002-02-19
Classification: A61B

Abstract:
A urine measuring device comprising a measuring device housing (20; 21) defined by two housing parts (20; 21) attached to each other with one housing part (20) forming a front part and the other housing part (21) forming a back part of the measuring device housing (20; 21) and said two housing parts (20; 21) jointly defining a drip chamber (15) having a bottom and at least one measuring chamber (11), said bottom being located between said drip chamber (15) and said at least one measuring chamber (11), said measuring device further comprising a dropper (18) leading into the drip chamber (15), an anti-reflux valve (26, 30) arranged on said bottom for preventing flow from said at least one measuring chamber (11) into said drip chamber (15), the anti-reflux valve (26, 30) including a valve opening (26) defined by a circumferential valve seat (27) located at an underside of said valve opening (26), a valve plate (30) for closing the valve opening (26), the valve plate (30) being a non-spring-biased freely movable loose part guided between lateral guide elements (31), the valve opening (26) and the guide elements (31) being components of a first one of said housing parts of said measuring device housing (20; 21), and a bracket (28) supporting the valve plate (30) being a component of a second one of said housing parts of said measuring device housing (20; 21).