Organizational Unit:
Center for Inclusive Design and Innovation

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Author: Maurer, Chris ×

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Inventor-Driven Product Development

2010 , Sprigle, Stephen , Maurer, Chris , Kong, Linghua

Inventors of assistive technology often lack resources to support product development and this may hinder their ability to develop useful and commercially viable devices. The purpose of this on‐going project is to support inventor and small company development of promising mobility-­‐related technologies. Specifically, the process includes: 1) an informal brainstorming session addressing technical, market and user issues; 2) formal screening of device potential and RERC capacity to assist in development; 3) invitation to engage inventors/companies with promising technologies; and 4) product testing and/or development of promising technologies. This paper describes the project’s approach and reviews activities over the past year.

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Understanding Wheelchair Use Patterns: Tilt-in-Space

2008-03 , Sonenblum, Sharon Eve , Sprigle, Stephen , Harris, Frances , Maurer, Chris

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Monitoring Power Upright and Tilt-In-Space Wheelchair Use

2006 , Sonenblum, Sharon Eve , Sprigle, Stephen , Maurer, Chris

This study examines the use of power upright and power tilt-in-space (TIS) wheelchairs. An occupancy detector, wheel revolution counter, and position sensor comprise the Wheelchair Activity Monitoring Instrument as used in this study. On average, subjects sat in their wheelchairs for 10 hours per day, spent 50 (±24) minutes wheeling with an average daily distance traveled of 0.84 miles. The majority of mobility bouts were less than 30 seconds and shorter than 25 feet. Subjects with TIS used their tilt feature (at least a 15° change in position) 16±10 times and spent between 0 and 108 minutes at a fully tilted (>40°) position daily.occupancy detector, wheel revolution counter, and position sensor comprise the Wheelchair Activity Monitoring Instrument as used in this study. On average, subjects sat in their wheelchairs for 10 hours per day, spent 50 (±24) minutes wheeling with an average daily distance traveled of 0.84 miles. The majority of mobility bouts were less than 30 seconds and shorter than 25 feet. Subjects with TIS used their tilt feature (at least a 15° change in position) 16±10 times and spent between 0 and 108 minutes at a fully tilted (>40°) position daily.

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Draft of Recommendations for Training and Use of Power Tilt systems

2010 , Maurer, Chris , Sonenblum, Sharon Eve

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Mobility Patterns in Power Wheelchair Users and the Implications for Measuring Mobility

2007 , Sonenblum, Sharon Eve , Sprigle, Stephen , Maurer, Chris

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Kinematics of Lateral Transfers: A Pilot Study

2005 , Sonenblum, Sharon Eve , Sprigle, Stephen , VanHeil, Leslie , Maurer, Chris

People with spinal cord injuries (SCI) must transfer many times daily. Despite the importance of proper transfers, researchers have not completely described the kinematics of lateral transfers. In this study, 19 male adults with SCI who transfer independently or with minimal assistance were recruited to perform three lateral transfers to and from a therapy mat. On average, subjects elevated their sacroiliac joints (buttocks) 11 inches above the therapy mat and lowered the tempromandibular joint (head) to 21 inches above the mat. Subjects used a variety of strategies to complete the transfer that differed by their timing, the number of lifts performed, and their body positioning during transfers. Transfers from the wheelchair to the mat were more consistent within subjects.

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Wheelchair use in everyday

2009 , Maurer, Chris

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Load Redistribution in Standing, Tilt-in-Space, and Reclining Wheelchairs

2007 , Sprigle, Stephen , Maurer, Chris , Prysock, Adrianne

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Kinematics of Lateral Transfers: A Pilot Study

2005 , Sonenblum, Sharon Eve , Sprigle, Stephen , VanHiel, Leslie , Maurer, Chris , Whittaker, Eric

People with spinal cord injuries (SCI) must transfer many times daily. Despite the importance of proper transfers, researchers have not completely described the kinematics of lateral transfers. Nyland et al identified transfer technique as a risk-factor for upper extremity degeneration and cited the need for quantitative measures of transfers and additional transfer research [1]. The purpose of this pilot study was to collect kinematic data on lateral transfers and identify different transfer strategies.

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