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- 3D Lifeprints UK Ltd
- 3D LIFEPRINTS OVERVIEW
3D LIFEPRINTS OVERVIEW
3D LIFEPRINTS OVERVIEW
- The 'LifeArm' is a 3D printed trans-radial prosthetic device developed over three years by a team of international and local engineers, medical clinicians, and prosthetic fitters. It has been field-tested in developing countries.
- Designed specifically for amputees in developing nations, it is manufactured to withstand challenging environmental conditions.
- The product is provided at no cost to patients in multiple developing countries.
High-Level Overview of the LifeArm
- Manufacturing Time: Device can be ready within 24 hours of receiving instructions from a prosthetist.
- Cost: All material costs are under $50 USD.
- Device Aesthetics & Appearance: Indistinguishable from a human hand at less than 10 meters, and deemed acceptable by patient focus groups.
- Maintenance: Easily maintainable locally.
- Logistics: All parts, except for 3D printing filament, can be acquired locally.
- Standardisation & Customisation: Four standard sizes, compatible with current sockets, and follows global standardisation methods.
- Materials & Equipment: ISO medically certified, UV/Heat/Humidity resistant, available in 10 skin tones, and can lift up to 10kg.
- Certification & Automation: Future compliance with EU Council Directive 93/42/EEC, designed for efficiency from scan to finished model.
Breakdown of the LifeArm
- Components include 3D printed skin-colored flexible hand, rigid insert, wrist lock, bespoke socket, wire tensioner, thermo-formed cuff, cuff buckle, back buckle, fishing wire for fingers, screws for tensioning, and webbing for straps.
- The process involves 3D scanning the patient, constructing hand model internals, creating socket and hand 3D models, printing the LifeArm, making the harness actuation system, and starting product testing.
Manufacturing Process
- Manufactured using mobile, low-cost 3D printers (<$3K USD) that can withstand power fluctuations and outages.
Comparison with Other Developing World Prosthetics
- Material: 3D printing plastic vs. Polypropylene plastic.
- Cost: LifeArm is low cost (<$150 USD) compared to medium cost (~$500 USD) alternatives.
- Aesthetics: High for LifeArm, low for alternatives.
- Maintainability: High for both.
- Local Availability of Materials/Parts: Low for both, as materials are sourced overseas.
- Level of Standardisation: High for both.
- Time to Manufacture: 2 days for LifeArm, 1 week for alternatives.
- Customisation Method: Simple 3D scanning for LifeArm, complex plaster of Paris for alternatives.
- Weight Bearing Strength: Medium for LifeArm, high for alternatives.
Catalog excerpts
3D LIFEPRINTS "LIFEARM • 3D LifePrints "LifeArm" is a functional 3D printed trans-radial prosthetic device • It has been developed over a period of 3 years by a consortium of international and local engineers, medical clinicians and prosthetic fitters, and field tested in developing countries • It is entirely designed to be fit for purpose for amputees in the developing nations where it will be manufactured and used in challenging environmental conditions • We have been providing our product at no cost across multiple developing country patients
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THE LIFEARM - HIGH LEVEL OVERVIEW MANUFACTURING TIME
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THE LIFEARM - BREAKDOWN 3D PRINTED SKIN COLOURED FLEXIBLE HAND I 3D PRINTED I 3D PRINTED I RIGID INSERT I WRIST LOCK | 3D PRINTED WRIST LOCK 3D PRINTED BESPOKE SOCKET FORMED ■ CUFF BUCKLE ■ TENS|ONER I 3D PRIINTED CUFF BUCKLE 3D PRINTED BACK BUCKLE FISHING WIRE FOR FINGERS
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3D scans are taken of patient Hand model internals are constructed Socket 3D model is created Hand 3D model is created Product Testing Starts Final 3D printed LifeArm Harness actuation system is made
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THE LIFEARM - COMPARISON WITH CURRENTLY AVAILABLE DEVELOPING WORLD PRODUCTS
Open the catalog to page 6All 3D Lifeprints UK Ltd catalogs and technical brochures
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