Assistive Technology for People who use Wheelchairs Module Five OTA

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Assistive Technology for People who use Wheelchairs

Device	What it is	How it is used	Who would use it – diagnoses	Examples	Video Links	Photos
Head control	A device that allows switches to be mounted on or near the headrest of a wheelchair.	Switches are activated by moving the head to press the switch.	Quadriplegia due to: -spinal cord injury C4-C5 -cerebral palsy -advanced multiple sclerosis -advanced muscular dystrophy	A man with quadriplegic cerebral palsy turns on his radio by tilting his head to the side to press a switch mounted to the side of his headrest.	A teenager with athetoid cerebral palsy uses a head switch to operate his computer.
Head pointer	A pointing device that is mounted to head gear.	The head gear for the device is worn on top of the head. The head is moved to maneuver the pointer.	Quadriplegia due to: -spinal cord injury C4-C5 -advanced multiple sclerosis -advanced muscular dystrophy	A woman with advanced multiple sclerosis uses her head pointer to turn the pages of her book.	Boy with multiple disabilities using a head pointer to communicate with his teachers.
Sip ‘n’ Puff switch	A switch that is activated by blowing or sucking on a tube.	The mouth is used to blow through the tube for some functions or suck on the tube for other functions.	Quadriplegia due to: -spinal cord injury C1-C3 -advanced amyotro-phic lateral sclerosis	A man with a C3 spinal cord injury uses a sip n puff interface to operate his computer.	Man with a spinal cord injury using a Jouse 2 sip n puff switch.
Track ball	A computer mouse that incur-porates a ball held in by a socket. The ball is connected to sensors within the mouse that detect its movement	The thumb or fingers are used to roll the ball to move the pointer on the computer screen.	-spinal cord injury C7-C8 -multiple sclerosis Muscular dystrophy -cerebral palsy -advanced seizure disorder -severe traumatic brain injury (TBI)	A boy with a severe TBI uses a track ball to move the computer cursor while doing his homework.	Man with quadriplegia using a track ball on his computer.
Dual-hand-ed key-board	A keyboard with keys placed in several ergonomic positions to allow easy access to all keys.	Both hands are used to type on the keyboard. The keys are placed to allow for minimal hand and wrist movement while typing.	-spinal cord injury C7-C8 -multiple sclerosis -muscular dystrophy -severe rheumatoid arthritis	A secretary with severe rheumatoid arthritis uses a dual-handed keyboard on her computer at work.	Testimonials about the Maltron dual and single handed keyboards.