title: Utilization of an alternative Communication Device using the Anal Sphincter (CDAS).
abstract: The purpose of this study was to invent a new communication system for terminal amyotrophic lateral sclerosis (ALS) patients who are in a state of complete motor paralysis with intact sensory and cognitive functions whose speech are disrupted due to the weakness of muscles involved in speaking and/ or to tracheostomy and ventilator dependence.
authors.affiliation: Department of Biomedical Engineering, College of Health Science, Yonsei University, Wonju, Gangwon, Korea.
authors.forename: J
authors.initials: J
authors.lastname: Lee
authors.forename: K
authors.initials: K
authors.lastname: Hong
authors.forename: H
authors.initials: H
authors.lastname: Shim
authors.forename: Y
authors.initials: Y
authors.lastname: Yoon
authors.forename: S
authors.initials: S
authors.lastname: Kang
authors.forename: J
authors.initials: J
authors.lastname: Kim
authors.forename: H
authors.initials: H
authors.lastname: Lee