DocumentCode
3498610
Title
Quadrupole mass spectrometer for multiple gas expirograms
Author
Neufeld, Gordon R. ; Schwardt, Jeffrey B.
Author_Institution
Philadelphia VA Med. Center, PA, USA
fYear
1988
fDate
4-7 Nov. 1988
Firstpage
842
Abstract
Hardware and software have been developed to sample and analyze multiple expired gases. A computer-controlled spectrometer system was designed, using commercially available components, to obtain continuous breath-by-breath expirograms of CO/sub 2/ and other evolved gases between 0 and 300 atomic mass units. The unique feature of the system is its ability to monitor a single gas along with respiratory flow signals in real time, while storing sampled gas in a long capillary line. Subsequent offline analysis of the stored capillary gas can then be time-aligned to the original flow data for multiple gas expirograms.<>
Keywords
biomedical equipment; computerised instrumentation; mass spectrometers; pneumodynamics; CO/sub 2/; computer-controlled spectrometer system; continuous breath-by-breath expirograms; hardware; multiple gas expirograms; offline analysis; quadrupole mass spectrometer; respiratory flow signals; software; stored capillary gas;
fLanguage
English
Publisher
ieee
Conference_Titel
Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE
Conference_Location
New Orleans, LA, USA
Print_ISBN
0-7803-0785-2
Type
conf
DOI
10.1109/IEMBS.1988.95101
Filename
95101
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