公开(公告)号：US4907166A

公开(公告)日：1990-03-06

申请号：US101931

申请日：1987-09-25

Applicant: James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

Inventor： James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

IPC: A61B5/08 ,  A61B5/083 ,  G01N21/31 ,  G01N21/35 ,  G01N21/61 ,  G06F15/42

CPC classification number: A61B5/083 ,  G01N21/3504 ,  G01N2021/3129 ,  G01N21/61 ,  G01N2201/121

Abstract: An improved gas analyzer system (FIG. 1) and method of use for detecting and displaying the partial pressures of certain constituent gases in a respiratory gas stream, the system comprising an optical bench (111) through which a respiratory gas flows and in which measurements of the gas are taken; analog input circuits (122) for receiving signals output from the optical bench (111) through which a respiratory gas flows and in which measurements of the gas are taken; analog processing circuits (124) for processing signals output from the analog input circuits (122); display processing circuits (128) for processing the signals output from the analog processing circuits (124) and other system circuitry; pixel logic circuits/analog outputs (130) for processing signals output from the display processing circuitry (128) and providing analog output ports; a five button panel (148), an alarm/knob board (144), and a speaker driver (152) for operator interface and activation of audible and visual alarms; a CRT driver for driving a CRT; and a power supply (158) for powering the system.