Status:

COMPLETED

Clinical Outcomes With Passive MPKs vs. Powered Prosthetic Knees

Lead Sponsor:

Liberating Technologies, Inc.

Collaborating Sponsors:

Hanger Clinic: Prosthetics & Orthotics

Conditions:

Amputation

Amputation; Traumatic, Leg, Lower

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

The goal of this proposed project is to gather community-based data from the K4-level Transfemoral Amputee (TFA) population to aid in evidence-based prescription of powered prosthetic knees (i.e., cho...

Detailed Description

The goal of this proposed project is to gather community-based data from the K4-level Transfemoral Amputee (TFA) population to aid in evidence-based prescription of powered prosthetic knees (i.e., cho...

Eligibility Criteria

Inclusion

  • Are at least 18 years old
  • Unilateral transfemoral prosthesis user (limb absence between the knee and hip)
  • Current user of a microprocessor-controlled knee (MPK)
  • Have adequate clearance between distal end and ground for necessary knee and foot components
  • Medicare Functional Classification Level (K-Level): 4
  • Socket-Comfort Score: 6 or above to ensure adequate socket fit
  • PLUS-M T-score of 55 or above
  • Six months or more experience on a prosthesis
  • Body weight between 50kg and 116kg (110lbs - 256lbs)

Exclusion

  • Present injuries to residual limb or contralateral leg affecting functional ability
  • Socket issues/changes in the last 6 weeks
  • Users with bone-anchored implants
  • Subjects can be excluded at the discretion of the investigator for other unforeseen disqualifying criteria (such as specific cognitive issues, etc.). Subjects in this study will not be discriminated by sex/gender or race/ethnicity.
  • Using a knee that the subject is unfamiliar with may increase the risk of falling. Therefore, pregnant women should not participate in the study and will be screened by self-disclosure.

Key Trial Info

Start Date :

May 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 28 2024

Estimated Enrollment :

13 Patients enrolled

Trial Details

Trial ID

NCT05267639

Start Date

May 1 2022

End Date

August 28 2024

Last Update

June 26 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Liberating Technologies, Inc.

Holliston, Massachusetts, United States, 01746

2

Hanger Clinic

Austin, Texas, United States, 78758