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Completed Not applicable Interventional Results available

Assist-Knee: Energy-Harvesting Knee Prosthesis

ClinicalTrials.gov ID: NCT04023045

Public ClinicalTrials.gov record NCT04023045. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 6, 2026, 6:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluation of an Energy-Harvesting Knee Prosthesis in Transfemoral Prosthesis Users

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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 .

Study identification

NCT ID
NCT04023045
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Orthocare Innovations, LLC
Industry
Enrollment
3 participants

Conditions and interventions

Eligibility (public fields only)

Age range
21 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 14, 2019
Primary completion
Feb 25, 2020
Completion
Feb 25, 2020
Last update posted
Oct 17, 2023

2019 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Orthocare Innovations, LLC Edmonds Washington 98020

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04023045, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 17, 2023 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04023045 live on ClinicalTrials.gov.

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