A valve member for use in a medical manifold valve assembly, wherein the valve member comprises a valve stem having a handle formed thereon for rotating the valve stem within the bore of a manifold. The valve stem has at least one pathway therethrough that can be aligned with channels through the manifold...http://www.google.es/patents/US20020084437?utm_source=gb-gplus-sharePatente US20020084437 - Valve assembly for medical manifold
