Document Detail

Failure of exhalation during ventilation with the Dräger Oxylog 2000 ventilator.
MedLine Citation:
PMID:  10470397     Owner:  NLM     Status:  MEDLINE    
We describe three cases in which there was failure of exhalation during mechanical ventilation with the Dräger Oxylog 2000 ventilator. Two potential mechanisms for this failure were identified, and were then experimentally reproduced on a test lung. First, a manufacturing fault in the silicone diaphragm in the ventilation valve was discovered. When a small hole in the diaphragm was incompletely perforated, a possible flap valve was formed, limiting exhalation. Second, failure of the one-way rubber disc valve to seat properly in its housing also prevented exhalation. These two previously unreported modes of ventilator failure have been identified. Careful checking of the ventilator circuit before each use is required.
R Morris; L Macken; G Tall
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Anaesthesia and intensive care     Volume:  27     ISSN:  0310-057X     ISO Abbreviation:  Anaesth Intensive Care     Publication Date:  1999 Aug 
Date Detail:
Created Date:  1999-10-07     Completed Date:  1999-10-07     Revised Date:  2006-08-28    
Medline Journal Info:
Nlm Unique ID:  0342017     Medline TA:  Anaesth Intensive Care     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  400-4     Citation Subset:  IM    
Department of Trauma, St George Hospital, Sydney, N.S.W.
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MeSH Terms
Equipment Design
Equipment Failure
Ventilators, Mechanical / adverse effects*

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

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