| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an oxygen concentrator capable of detecting whether or not a patient breathes concentrated oxygen in respiration.SOLUTION: An oxygen concentrator 10 is an oxygen concentrator supplying a patient with generated concentrated oxygen through a cannula 22, and includes a main body part 11 and a microphone 800 which is placed in a pipe 24R delivering the concentrated oxygen in the main body part 11 and is a sound detection part for detecting a breathing sound with which a patient inhales the concentrated oxygen.</p> |
