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Feasibility and Biomechanical Improvement of Using Exoskeleton Footwear with Integrated Spring Footplate during Walking in Patients with Transmetatarsal Amputation

Award Number: 90IFST0019
ORGANIZATION: NATIONAL INSTITUTE ON DISABILITY, INDEPENDENT LIVING, AND REHABILITATION RESEARCH
OPDIV: ACL
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: OTHER
PERIOD OF PERFORMANCE START DATE: 09/01/2024
PERIOD OF PERFORMANCE END DATE: 08/31/2027

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Feasibility and Biomechanical Improvement of Using Exoskeleton Footwear with Integrated Spring Footplate during Walking in Patients with Transmetatarsal Amputation - The University of Texas Rio Grande Valley, in partnership with Results Group LLC, is submitting this three-year research grant. The goal of this project is to evaluate the effectiveness of novel exoskeleton footwear with integrated spring footplate (FlyBand ExoShoe) in patients with transmetatarsal amputation (TMA) after wound closure. The objectives are: 1) Engineering and benchtop evaluation of passive exoskeleton footwear with different stiffness levels with integrated carbon fiber footplate; 2) Evaluate the improvement in gait biomechanics in patients with TMA when walking with FlyBand ExoShoe compared to regular diabetic shoes; 3) Evaluate the feasibility and acceptability of using FlyBand ExoShoe in patients with TMA for their daily use. Anticipated outcomes include: 1) identify two optimal spring plate stiffness; 2) determine foot pressure, energy cost, joint angles, joint torque, and ground reaction forces during walking; 3) understand the patients' comfort, rate of perceived exertion, and anticipated compliance regarding FlyBand ExoShoe to use for their daily use. Our expective product is that if our hypotheses are correct, the findings will lead to conducting a full-stage clinical trial with proper power analysis, and patients will wear the FlyBand ExoShoe for three months as an intervention. The multi-disciplinary research team, including a gait biomechanist, engineers, physicians, podiatrists, physical therapists, and biostatisticians, will provide the best possible technical skills and experience to finish the project successfully. Out of the three interrelated domains aimed by the NIDILRR’s research program under the Long-Range Plan, our research project focuses on the second domain: Health and Function. According to NIDILRR's FOA, the proposed research study corresponds to stage (b), “Intervention development.”


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $197,763 )
2025	2025	THE UNIVERSITY OF TEXAS RIO GRANDE VALLEY	1201 W UNIVERSITY DR	EDINBURG	TX	78539	HIDALGO	USA	ACL National Institute on Disability, Independent Living, and Rehabilitation Research	00	2	9/5/2025	NON-COMPETING CONTINUATION	$197,763
														Subtotal = $197,763

Issue Date FY: 2024 ( Subtotal = $199,750 )
2024	2024	THE UNIVERSITY OF TEXAS RIO GRANDE VALLEY	1201 W UNIVERSITY DR	EDINBURG	TX	78539	HIDALGO	USA	ACL National Institute on Disability, Independent Living, and Rehabilitation Research	00	1	8/26/2024	NEW	$199,750
														Subtotal = $199,750

Grand Total All Awards = $397,513

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Feasibility and Biomechanical Improvement of Using Exoskeleton Footwear with Integrated Spring Footplate during Walking in Patients with Transmetatarsal Amputation

Award Number: 90IFST0019

ORGANIZATION: NATIONAL INSTITUTE ON DISABILITY, INDEPENDENT LIVING, AND REHABILITATION RESEARCH

OPDIV: ACL

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: OTHER

PERIOD OF PERFORMANCE START DATE: 09/01/2024

PERIOD OF PERFORMANCE END DATE: 08/31/2027

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