Patent ID: 9285305
Filing Date: 2016-03-15
CPC Classification: A61B,A61M,G01N

Claim Text:
1. A blood chamber for use in a system for monitoring extracorporeal blood flow, the blood chamber comprising: an inlet, an outlet and an internal blood flow cavity; a main body made of a material having an opaque color, the opaque color of the material being configured to attenuate ducting of light through the main body; and a clear first lens and a clear second lens, wherein the first and second lenses are constructed as mirror images of one another, and wherein the first lens is disposed in a recess on the first side of the main body and the second lens is disposed to a second recess on the second side of the main body; wherein the internal blood flow cavity is disposed within a space within the main body between the first and second lenses; wherein the blood chamber further comprises: an anti-rotation tab for preventing rotation of a sensor clip assembly attached to the blood chamber relative to the blood chamber, wherein the anti-rotation tab extends inwardly from a peripheral wall of at least one of the first and second lenses.