Assist-Knee: Energy-Harvesting Knee Prosthesis

Completed · Not applicable

Conditions studied: Transfemoral Amputation, Artificial Limbs

In brief

The purpose of this research is to validate the Assist-Knee design and function by collecting pilot data during the stand-to-sit-to-stand transition in transfemoral prosthesis users when using the Assist-Knee to harvest energy and return energy .

Key facts

Study ID

NCT04023045

Run by

Orthocare Innovations, LLC

People needed

3

Starts

2019-07-15

Expected to finish

2020-02-26

Last updated by the study team

2023-10-18

Who can join

Age: 21 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Unilateral transfemoral limb loss
• At least one year post-amputation and currently successfully using a prosthesis
• Uses modular endoskeletal prosthetic components
• Has bilateral normal range of motion
• Ability to perform the following activities:
• Walking ability or ability to take steps over 10 meters
• Upright standing stability
• Stand-to-sit stability (i.e. go from a standing position to a seated position independently)
• Sit-to-stand stability (i.e. rise from a seated position independently)
• Ability to communicate individual perceptions in the English language
• Ability to provide informed consent

You may not qualify if…

• Confounding injury or musculoskeletal problem
• Pregnancy
• Lower limb peripheral neuropathy
• Symptomatic cardiovascular disease or chronic obstructive pulmonary disease
• Not able to read and understand English
• Use of assistive devices for sit-to-stand and stand-to-sit (e.g. canes, walkers)

Where it is running

• Orthocare Innovations, LLC — Edmonds, Washington, United States

Full record on ClinicalTrials.gov

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