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Passive Pneumatic Prosthetic Ankle with Biomimetic Response

Award Information
Agency: Department of Defense
Branch: Defense Health Agency
Contract: W81XWH-17-C-0075
Agency Tracking Number: H16C-007-0045
Amount: $149,997.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: DHP16C-007
Solicitation Number: 2016.0
Solicitation Year: 2016
Award Year: 2017
Award Start Date (Proposal Award Date): 2017-06-28
Award End Date (Contract End Date): 2018-01-27
Small Business Information
8100 Shaffer Parkway
Littleton, CO 80127
United States
DUNS: 148034408
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Mr. Andrew Brewer
 Research Engineer
 (303) 792-5615
Business Contact
 Mr. James Budimlya
Phone: (303) 792-5615
Research Institution
 Regents of the University of Colora
 Alena Grabowski, Ph.D.
Office of Contracts and Grants 572 UCB
Boulder, CO 80309
United States

 (303) 492-5208
 Nonprofit College or University

The Defense Health Program seeks to improve the lives of service members suffering below knee amputations through the development of a non-powered lower extremity prosthesis designed to restore range of motion and power generation to that of an uninjured anatomical ankle. Current passive systems are still in early stages of development and typically only address one aspect of what the Defense Health Program seeks: either increased range of motion or improved energy return. ADA Technologies, in collaboration with the University of Colorado Boulder proposes to develop a Passive Pneumatic Prosthetic Ankle with Biomimetic Response. This system will capture and return the walking energy of a person with a transtibial amputation using no onboard power of its own while adapting to changing terrain increasing the user`s mobility and reduce metabolic cost of using a prosthesis. The long-term goal of this research is to produce a less expensive option to powered ankle-foot systems that enhances prosthetic performance and user quality of life over currently available passive energy storage and return prosthetic systems. In Phase I, we will design, build, and test the proposed ankle-foot prosthesis with live subjects in order to demonstrate feasibility and evaluate prototype performance.

* Information listed above is at the time of submission. *

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