Fiscal Year:
2001
Title:
FlexRim Low Impact Wheelchair Pushrim
Agency:
HHS
Contract:
N/A
Award Amount:
$0.00
Abstract:
DESCRIPTION (Applicant's Abstract): Approximately 65 percent of manual
wheelchair users experience upper extremity pain or injury, which can
significantly impact their mobility and independence. Research has demonstrated
a relationship between impact stresses on the upper extremities during
wheelchair propulsion and upper extremity injury. Impact stresses occur when
the hand contacts the pushrim, transmitting the stresses to the wrist, elbow,
and shoulder. Current pushrim technologies do not effectively reduce these
impact stresses. The FlexRim consists of an innovative flexible interface
between the pushrim and wheel that reduces the impact stresses related to upper
extremity injuries. In Phase I, three FlexRim concepts were developed and
evaluated. The concepts allowed the pushrim to translate relative to the wheel,
lowering impact forces. Use of the FlexRim did not adversely affect propulsion
efficiency. In Phase II, the FlexRim design will be refined based upon Phase I
results. Biomechanical evaluations of impact loading and mechanical efficiency
will be conducted at the Pittsburgh Human Engineering Research Laboratories
with 15 subjects. Thirty wheelchair users will evaluate the FlexRim over a
three to six month period of use. Because the FlexRim reduces impact stresses
related to upper extremity injuries, it serves to prevent injury, and preserve
function and mobility.
PROPOSED COMMERCIAL APPLICATION:
The proposed wheelchair pushrim will potentially enhance the lives of all manual wheelchair users by reducing impact stresses on the upper extremities during wheelchair propulsion. The FlexRim will interface to most wheelchair wheels and will be sold as a standard wheelchair component or as an optional accessory.
Principal Investigator:
Peter W. Axelson
Small Business Information at Submission:
BENEFICIAL DESIGNS, INC.
5858 EMPIRE GRADE RD SANTA CRUZ, CA 95060
EIN/Tax ID:
942754853
DUNS:
N/A
Number of Employees:
N/A
Woman-Owned:
No
Minority-Owned:
No
HUBZone-Owned:
No