Document Detail

A robust wheelchair pressure relief monitoring system.
MedLine Citation:
PMID:  23367322     Owner:  NLM     Status:  MEDLINE    
It is essential to prevent pressure ulcers for people with spinal cord injuries (SCI). Pressure ulcer is likely to develop when there is excessive pressure on the body tissue for lengthy durations. Therefore, persons with SCI, who usually spend long time sitting in wheelchairs, are advised to perform regular pressure reliefs in their daily lives. This paper proposes a system for the monitoring of wheelchair users' pressure relief behaviors. The system utilizes piezo resistive sensors beneath a wheelchair cushion to monitor pressure, and employs supervised learning techniques to classify a wheelchair user's pressure relief status. Key features of the system include robustness and not interfering with cushion performance or the daily activities of wheelchair users. The system works well on different types of cushions, and achieves 91% sensitivity and 89% specificity based on tests on different wheelchair users.
Rui Dai; Sharon Eve Sonenblum; Stephen Sprigle
Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference     Volume:  2012     ISSN:  1557-170X     ISO Abbreviation:  Conf Proc IEEE Eng Med Biol Soc     Publication Date:  2012  
Date Detail:
Created Date:  2013-01-31     Completed Date:  2013-07-23     Revised Date:  2014-08-21    
Medline Journal Info:
Nlm Unique ID:  101243413     Medline TA:  Conf Proc IEEE Eng Med Biol Soc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  6107-10     Citation Subset:  IM    
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MeSH Terms
Biosensing Techniques
Monitoring, Physiologic*
Pressure Ulcer / physiopathology,  prevention & control*

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