Alameda County, California

custom-adaptation

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This is a standard wheelchair with custom adaptations converted into a manual stand up wheelchair designed for use by individuals with lower extremity, mobility, or neurological disabilities or spinal cord injury. By putting the body in a standing position, the chair provides users with better blood circulation, kidney and bladder functioning, as well as muscle tone. In addition the ability to place persons in a standing position reduces muscle contracture and bone decalcification, thereby reducing the risk of osteoporosis.

Technical Specifications:

The Department of Veterans Affairs (VA) has developed a conceptual model for a manual mobile standing wheelchair. The basic principles of the manual mobile standing wheelchair include the ability to move easily between seated and standing positions and the ability to use the wheel rims for propulsion in either of these positions. The initial design utilizes a four bar linkage system which allows a simple transition between sitting and standing while maintaining the same orientation of the trunk. The drive system is designed to allow a normal standard wheelchair gearing (1:1 ratio of arc lengths of wheel rim to drive wheel), one slower gear for climbing hills, and one faster gear to allow faster propulsion in the sitting position.