Patent ID: 6955652
Filing Date: 2005-10-18
Classification: A61B,G01N

Abstract:
1. A breath monitoring apparatus for medical diagnostic analysis comprising: a container having a mixture of gases, wherein said mixture comprises one of CO, N a collector adapted to connect a subject to said container for collecting a breath sample that includes said gas mixture; a breathing tube connected to said collector, said breathing tube having a mouthpiece, said container of gases and a flow control valve between the tube and said container; a sample cell connected to said collector for receiving said breath sample; a radiation emitter for irradiating said sample cell; a beamsplitter for splitting beams received from said radiation emitter after said beams pass through said sample cell; a bandpass filter for filtering each of said split beams and isolating a particular spectral region; and at least one detector for detecting said spectral region received from said bandpass filter and producing an electrical signal.