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Bones of the Lower Limb: Femur and Patella

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Related Experiment Video

Updated: Mar 2, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

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Rethinking the foam cosmesis for people with lower limb absence.

Nicola Cairns¹, Jonathan Corney¹, Kevin Murray¹

¹1 University of Strathclyde, Glasgow, UK.

Prosthetics and Orthotics International

|May 20, 2017

Summary

This summary is machine-generated.

A new prosthetic foam cosmesis design with an artificial patella and zip closure offers improved appearance and durability. This user-centered innovation aims to enhance body image for amputees and reduce healthcare costs.

Keywords:

Cosmesis lower limb prosthesis design transfemoral user-centred design

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Area of Science:

Biomedical Engineering
Prosthetics and Orthotics
Rehabilitation Science

Background:

Patient satisfaction with current foam cosmesis for lower limb absence is suboptimal.
Existing prosthetic cosmesis often lacks lifelike appearance, functionality, and durability.

Purpose of the Study:

To enhance the lifelike appearance, functionality, and durability of prosthetic foam cosmesis.
To implement a user-centered design methodology for prosthetic cosmesis improvement.

Main Methods:

Developed a novel cosmesis design featuring a knee cut-out with an artificial patella and a full-length zip.
Conducted mechanical testing exceeding 1 million cycles.
Performed clinical evaluation with six transfemoral prosthesis users over 18 patient months.

Main Results:

The new cosmesis design demonstrated significantly enhanced durability compared to the standard model.
The design achieved a more lifelike appearance.
Clinical testing indicated positive user experience and potential for improved body image.

Conclusions:

The improved prosthetic cosmesis offers enhanced aesthetics and superior durability.
This innovation has the potential to positively impact users' body image.
The design may lead to reduced costs for healthcare providers in terms of fitting and maintenance.