IMPLANTABLE SHUNT FOR TREATING THE CASES OF HYDROCEPHALIA Russian patent published in 2003 - IPC

FIELD: medical engineering. SUBSTANCE: device has flexible pump unit with chamber, ventricular and cardiac catheters connected to input and output connective pipes of the pump. Shield has the second chamber communicating to the first pump chamber and having flexible membrane with openings in its middle part dividing the second chamber into two parts. The flexible membrane is tightly adjacent to ring-shaped protrusion manufactured in the lower part of the second chamber body to enable one to periodically shut the openings in the membrane. EFFECT: enhanced effectiveness in draining cerebrospinal fluid. 3 dwg