Patent ID: 6090061
Filing Date: 2000-07-18
Classification: A61M

Abstract:
An extracorporeal cuvette for blood constituent monitoring, said cuvette comprising:an inlet;an outlet:a conduit, in fluid communication between said inlet and said outlet, said conduit being made from material which permits transmission of electromagnetic radiation therethrough and including first and second opposed walls having a first predetermined separation therebetween, said first wall having a planar inner surface and a planar outer surface; said second wall having a planar inner surface and a planar outer surface;said inner surface of said first wall facing said inner surface of said second wall to allow blood to flow from said inlet to said outlet through said conduit;a pedestal emanating outwardly from said inner surface of said first wall a predetermined distance in the direction of said inner surface of said second wall, said pedestal having a planar end surface having a second predetermined separation from said inner surface of said second wall, said planar end surface being essentially parallel to said inner surface of said second wall, said predetermined distance being greater than said second predetermined separation;said outer surface of said first wall adapted to receive an emitter for emitting radiation into the blood flow in the conduit; andsaid outer surface of said second wall adapted to receive a sensor for sensing radiation passing through the blood, the first wall, the second wall and the pedestal.