Device for treating respiratory deficiency of a patient
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United States of America Patent
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-
Feb 4, 1986
Grant Date -
N/A
app pub date -
Jun 24, 1983
filing date -
Jul 13, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A duct opening close to the patient's respiratory passages provides a supply of additional oxygen from a source. The device comprises a heat sensor element exposed to the temperature changes between the air inhaled and the air exhaled which cause corresponding voltage changes across its terminals; a coupler supplying signals which are a function of these voltage changes; an electromagnetic valve in the duct and controlled by a control element during the patient's various stages of respiration. The invention is applicable more particularly to oxygen therapy devices worn on the person e.g. in the fashion of spectacles.
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