Assist-Knee: Energy-Harvesting Knee Prosthesis

NCT ID: NCT04023045

Last Updated: 2023-10-18

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

3 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-07-15

Study Completion Date

2020-02-26

Brief Summary

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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 .

Detailed Description

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Conditions

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Transfemoral Amputation Artificial Limbs

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

CROSSOVER

Crossover clinical trial
Primary Study Purpose

DEVICE_FEASIBILITY

Blinding Strategy

NONE

Study Groups

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Habitual Prosthesis

Participant's prescribed prosthesis

Group Type ACTIVE_COMPARATOR

Habitual Prosthesis

Intervention Type DEVICE

Habitual baseline prosthesis prescribed by participant's clinician.

Assist-Knee

Experimental knee prosthesis

Group Type EXPERIMENTAL

Assist-Knee

Intervention Type DEVICE

Assist-Knee is an experimental lower limb knee prosthesis.

Interventions

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Assist-Knee

Assist-Knee is an experimental lower limb knee prosthesis.

Intervention Type DEVICE

Habitual Prosthesis

Habitual baseline prosthesis prescribed by participant's clinician.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* 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

Exclusion Criteria

* 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)
Minimum Eligible Age

21 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NIH

Sponsor Role collaborator

Orthocare Innovations, LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Sarah Chang, PhD

Role: PRINCIPAL_INVESTIGATOR

Orthocare Innovations, LLC

Locations

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Orthocare Innovations, LLC

Edmonds, Washington, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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1R43HD097826

Identifier Type: NIH

Identifier Source: secondary_id

View Link

7826-01

Identifier Type: -

Identifier Source: org_study_id

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