Document Detail

The desflurane (Tec 6) vaporizer: design, design considerations and performance evaluation.
MedLine Citation:
PMID:  8155456     Owner:  NLM     Status:  MEDLINE    
We have described the design and design considerations of the desflurane Tec 6 "vaporizer" and have tested its performance characteristics. The vaporizer differs from previous vaporizers designed for anaesthesia in that electromechanical rather than mechanical controls accommodate the different physical characteristics of desflurane. This design, while offering perhaps an increased risk of failure (owing to sophisticated electronic components and circuitry), on the other hand offers the decreased likelihood of accidental delivery of very large concentrations of liquid anaesthetic resulting from tilting or overfilling and alarms and warnings not previously incorporated into the design of anaesthetic vaporizers. The output characteristics of the vaporizer are as expected, based on the design: desflurane concentration output in oxygen has accuracy (+/- 15%) which is similar to that of the mechanical vaporizers; output decreases when nitrous oxide is added owing to the lower viscosity, but remains within 20% of the dial setting or 0.5% absolute.
R B Weiskopf; D Sampson; M A Moore
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of anaesthesia     Volume:  72     ISSN:  0007-0912     ISO Abbreviation:  Br J Anaesth     Publication Date:  1994 Apr 
Date Detail:
Created Date:  1994-05-19     Completed Date:  1994-05-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  474-9     Citation Subset:  IM    
Department of Anesthesia, University of California, San Francisco 94143-0648.
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MeSH Terms
Anesthesia, Inhalation
Anesthesiology / instrumentation*
Equipment Design
Equipment Failure
Isoflurane / analogs & derivatives*
Nebulizers and Vaporizers*
Nitrous Oxide
Reg. No./Substance:
10024-97-2/Nitrous Oxide; 26675-46-7/Isoflurane; 57041-67-5/desflurane

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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