| 摘要 |
PROBLEM TO BE SOLVED: To provide an oxygen enrichment apparatus which can be used when a patient is at home and/or goes out (including in-car traveling or the like). SOLUTION: The oxygen enrichment apparatus which can be driven by a removable battery includes a compression means to compress the air taken from an air intake port, an adsorption means which adsorbs the prescribed components other than oxygen in the compressed air in an adsorption column and removes them from the compressed air, and an oxygen sensor which is disposed at a position to communicate with a duct at the downstream side of a product tank to store the enriched oxygen without the prescribed components and a pressure regulator, wherein the oxygen sensor is an ultrasonic type that performs a respiration tuning control when the apparatus is driven by the battery and reads a flow rate (L/minute) of the enriched oxygen at the prescribed rate or more. COPYRIGHT: (C)2005,JPO&NCIPI
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