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The Multi-Port Sip-and-Puff Switch

By Haley, Kaylen J.; Lachance, Kerri-Anne; Pinnock, Kerrie J.; Proceedings of the RESNA 25th International Conference, Vol. 22, No. 1, pp. 32-35
Publication Date: June/July 2002

Paper discussing an invention that allows for the control of multiple adaptive devices via a single sip-and-puff switch. The multi-port sip-and-puff switch, called the EZPuff, was designed to reduce the congestion of multiple switches around the mouth. A diagram of the EZPuff system is shown. The core of the device is a Motorola 68HC811 microprocessor. The only input to the microprocessor is a sip-and-puff switch. The outputs include four electrical ports, each providing an off-switch from a relay. The EZPuff simplifies the use of multiple assistive technology devices and greatly reduces the need for assistance, as only one switch is used. The device can be adapted to serve the switching needs of patients, which broadens the application area.
Published by: Rehabilitation Engineering & Assistive Technology Society of North America (RESNA)   (Website:http://www.resna.org)

ISBN: 00-932101-44-5
This publication is included in the library of the National Rehabilitation Information Center (NARIC), accession number O14468
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