Specification for oro-nasal oxygen mask assemblies for use in demand systems

1990 ◽  
Keyword(s):  
Demand Systems ◽  
Oxygen Mask

A New Oxygen Mask: Comparison with Other Clinical Methods of Giving Oxygen

1974 ◽  
Vol 2 (3) ◽  
pp. 214-219 ◽  
Author(s):  
W A Crosbie ◽  
J P Warren ◽  
L A Smith
Keyword(s):  
Carbon Dioxide ◽  
Oxygen Concentration ◽  
Cor Pulmonale ◽  
Blood Levels ◽  
Supplementary Oxygen ◽  
Arterial Blood ◽  
Oxygen Mask ◽  
Clinical Methods ◽  
Expired Air

The performance of a new mask (Mix-O-Mask) for giving supplementary oxygen in clinical situations was compared with three other methods in a patient with cor pulmonale. Measurements were made of the intra-tracheal gas concentrations and arterial blood levels of oxygen and carbon dioxide. The new mask was as reliable as Ventimasks in delivering a claimed oxygen concentration and did not cause rebreathing of expired air. The mask proved durable when worn for sixteen hours in a day and was preferred for comfort by the patient.

Fractional demand systems

1987 ◽  
Vol 36 (3) ◽  
pp. 311-337 ◽  
Author(s):  
Arthur Lewbel
Keyword(s):  
Demand Systems
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