Updated on February 21, 2024


Created on October 12, 2020

Adjustable prosthetic limb

Upcoming Update

Nonspec is committed to providing affordable and adjustable prosthetic limb systems to all amputees.

Developed By
Tested By
Content Partners


Product Description

Adjustable prosthetic limb by Nonspec is an adjustable prosthetic limb that can be taken off-the-shelf and adjusted in height and angle to meet any amputee’s need. It is quick and easy to fit, high quality, lightweight, and durable so that amputees worldwide can have access to a limb that lets them accomplish anything they want to.

Target SDGs

SDG 3: Good Health and Well-Being

Market Suggested Retail Price


Target Users (Target Impact Group)

Small and Medium-sized Enterprises, Public Sector Agencies, NGOs

Distributors / Implementing Organizations

This product is distributed by the Lowell sales team and 22 clinics in India.

Competitive Landscape

Direct competitors include ReMotion Knee V3 and Polypropylene Prosthesis.

Manufacturing/Building Method

This product is mass-produced (injection-molded) in India.

Intellectural Property Type


User Provision Model

Users can aquire this product by reaching out to the manufacturer directly, through the Lowell sales team, or at one of the 22 clinics in India that currently house this product.

Distributions to Date Status

As of September 2019, 200 units have been distributed.

Craftsmanship required

Skilled prosthetist

Patient satisfaction


Patient compliance






Water resistant (yes/no)


Amputation level

Foot amputation and transtibial amputation

Weight (kg)


Design Specifications

This product allows for adjustment in height and angle to meet the needs of a range of amputees. Further design specifications include over 7 cm of adjustment to compensate for anything from changing shoes to a growth spurt, and 9 Degrees of Freedom to correct for all gait adjustment needs, without new parts or components.

Product Schematics

Technical Support

Provided by manufacturer

Replacement Components



4 years

Manufacturer Specified Performance Parameters

Designer specified performance targets include: lightweight, durable, and low-cost.

Vetted Performance Status

International Organization for Standardization (ISO) standards tests for high impact and cycle testing.


Prosthetics can result in physical discomfort and pain to the patient, in general.

Complementary Technical Systems


Academic Research and References

Furse, A, et al., 2011, “Development of a low-technology prosthetic swing-phase mechanism,” J Med Biomed Eng. 31(2), pp. 145-150

Andrysek, J., 2010, “Lower-limb prosthetic technologies in the developing world: a review of literature from 1994 to 2010,” Prosth Orth Int. 34(4), pp. 378-398

Wyss, D, et al., 2013, “Application of Quality Function Deployment for the development of a prosthetic knee joint,” AES Technical Reviews Part C: International Journal of Advances and Trends in Engineering Materials and their Applications (IJATEMA). 1 (1), pp. 67 – 75

DeBaise Collen, “Meet the Plastics Engineer Who’s Raised $1 Million to Make Prosthetic Legs“, The Story Exchange, 2019

Audrey Laforest, “Two startups fill a gap in medical industry with plastic inventions“, Plastic News, 2017

Compliance with regulations

Nonspec's limb kit is designed to International Organization for Standardization (ISO) standards, which tests for high impact and cycle testing of four years of walking.

Evaluation methods


Other Information


Leave a Reply

Explore similar solutions


February 26, 2024

e-NABLE 3D printing prosthetic devices

Read Solution

Implemented by

Enabling the Future


December 27, 2023

AEST Agricultural Waste Charcoal Briquettes

Read Solution

Implemented by

Appropriate Energy Saving Technologies Limited (AEST)


February 5, 2024


Read Solution

Implemented by

Centre for Vision in the Developing World


February 20, 2024

Arktek Passive Vaccine Storage Device

Read Solution

Implemented by

Intellectual Ventures Lab


June 6, 2024

Sema Doc

Read Solution

Implemented by

Hello Doctor


January 28, 2024

Green Heat Biogas Digester

Read Solution

Implemented by

Green Heat


May 21, 2024

Vaccine Management Solution using e-voucher

Read Solution


February 27, 2024

Solar-Powered Oxygen Delivery (SPO2)

Read Solution

Implemented by

Solar Oxygen


February 26, 2024


Read Solution

Implemented by

Gabriela Galilea

All Solutions

Contribute to E4C's Library of Breakthrough Sustainable Development Technology Solutions

Suggest A Solution

Get more information about Solutions Library and its features.

Learn More

Have thoughts on how we can improve?

Give Us Feedback

Join a global community of changemakers.

Become A Member