NDLI: A development of pillow for detection and restraining of snoring

Content Provider	IEEE Xplore Digital Library
Author	Ran Wei Hee Sun Kim Xing Li Jae Joong Im Hyun Jeong Kim
Copyright Year	2010
Description	Author affiliation: Department of Dental Anesthesiology, Seoul National University, School of Dentistry, Korea (Hyun Jeong Kim) \|\| Department of Electronic Engineering, Chonbuk National University, JeonJu, Korea (Ran Wei; Hee Sun Kim) \|\| UnC Co., Ltd., JeonJu, Korea (Xing Li) \|\| Department of Electronic Engineering, Chonbuk National University, Korea (Jae Joong Im)
Abstract	Snoring is a breathing noise caused by coupled oscillation of the walls of the airway as the air passes through. It occurs in at least 20% of the general population. Snoring is recognized as a cardinal symptom of sleep apnea. The snorers, compared with non-snorers, generate more negative inspiration pressure, prolonged inspiration time, and limitation of respiratory flow. Therefore, it may cause impaired daytime performance, sleepiness and nocturnal awakenings, which may increase traffic accidents. In this study, a pillow with contact microphones was developed to detect snoring sounds and restrain snoring by inflation of air bladder located inside the pillow. Experiment was performed to adjust the threshold value in order to separate the snoring sounds from the environment sounds. Then, clinical evaluation was performed at the sleep center to verify the effectiveness of the pillow. A volunteer was participated for two nights. Regular foam pillow and developed pillows were used for the first and second nights, respectively. Snoring times were reduced 49.8%, the average snoring episodes in minutes were increased 0.2 minutes (12 seconds), and longest snoring episodes were reduced down to 43.8% with the use of developed pillow. It means that the volunteer underwent much less snoring with the use of the developed pillow. The further study would be continued for more wide clinical studies with various inflation/deflation conditions of air bladder.
Starting Page	1381
Ending Page	1385
File Size	259247
Page Count	5
File Format	PDF
ISBN	9781424464951
e-ISBN	9781424464982
DOI	10.1109/BMEI.2010.5639391
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	contact microphone air bladder Noise snoring Bladder pillow Sleep apnea Neck polysomnograph Digital filters sleep apnea Microphones
Content Type	Text
Resource Type	Article

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