An Inhalation Device With Inertial Measurement Unit for Monitoring Inhaler Technique

Shunya Takano, Tomoyuki Shimono, Katsunori Masaki, Koichi Fukunaga, Hiroki Kabata, Miyuki Nishie, Taiko Ezaki, Hideo Nakada, Jun Hakamata, Atsushi Hasegawa

研究成果: Article査読

1 被引用数 (Scopus)


Inhalers are commonly used to treat asthma and chronic obstructive pulmonary disease. Regular and correct usage of inhalers is necessary for effective use. However, approximately 70% of patients do not use their inhalers as directed. This is due to a lack of understanding about the medication and misunderstanding of directions. Assessment of patients' inhaler techniques are usually conducted in person. However, doctors or pharmacists have no objective information regarding how patients use their inhalers at home. Therefore, monitoring daily inhaler use is necessary for precise medical treatment. This article proposes an inhalation monitoring device using an inertial measurement unit (IMU). The IMU is used to measure a patient's inhalation motion. Incorrect inhalation usage can be determined by comparing the measurement data against data that indicate correct usage. The experimental results show the utility of the proposed device.

ジャーナルIEEE/ASME Transactions on Mechatronics
出版ステータスPublished - 2022 8月 1

ASJC Scopus subject areas

  • 制御およびシステム工学
  • コンピュータ サイエンスの応用
  • 電子工学および電気工学


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