Bringing advanced prosthetics within reach for allーNHK WORLD-JAPAN NEWS

Key Concepts

• 3D Printing in Prosthetics: Utilizing 3D printing to significantly reduce the cost of prosthetic limbs.
• Myoelectric Prosthetics: Prosthetics controlled by detecting electrical signals from the skin.
• Advanced Grip Control: Prosthetic hands offering sophisticated grip patterns and wrist rotation.
• Cost Reduction Strategies: In-house manufacturing of parts and leveraging 3D printing to lower production expenses.
• Government-Funded Research: Role of research institutes in developing innovative prosthetic technologies.
• Custom Prosthetics: Tailoring prosthetic devices to individual needs, particularly for specialized activities like musical performance.

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The Evolution and Affordability of Prosthetic Limbs

The global prosthetics industry is experiencing growth, driven by advancements in technology and a push for affordability. This report focuses on developments in South Korea, where companies are leveraging new techniques, particularly 3D printing, to make advanced prosthetic limbs accessible to a wider population.

Isango: Pioneering Affordable Myoelectric Prosthetics Through 3D Printing

Isango, a South Korean startup founded by E in 2015, is at the forefront of this affordability movement. E initially entered the prosthetics field after a friend, who had lost both hands in an industrial accident, expressed despair over the high cost of prosthetics – approximately 40 million won (currency unspecified, but implied to be South Korean Won) per limb. This prompted E to explore the potential of 3D printing.

Isango’s prosthetic hand utilizes myoelectric technology, detecting “tiny movements on the skin and converts them into signals that move the device.” This allows for intuitive control of the prosthetic. A key factor in Isango’s success is its in-house manufacturing of all parts, enabled by 3D printing. This strategy significantly reduces production costs, bringing the price of some Isango prosthetics down to the level of new smartphones. The company recently gained international recognition, winning an award at the CES trade show in Las Vegas, and is now looking to expand its operations overseas.

Global Competition and the Challenge of Component Costs

While Isango represents a new wave of affordable prosthetics, it faces competition from established players in the global market. Companies like those based in the UK offer highly advanced artificial hands with features like 180° wrist rotation and sophisticated grip control.

Early South Korean pioneers in the electronic artificial limb industry, dating back to the early 2000s, faced challenges due to the reliance on imported advanced components. As the director of one such firm stated, “It takes a lot of money to develop sensors and demand doesn't match well with supply. So development was very difficult.” This highlights the historical barrier to entry in the field – the high cost of specialized components.

Government Research and Technological Advancements

South Korea is actively addressing this challenge through government-funded research. A government-affiliated research institute has recently developed an “ultra lightweight robotic hand offering free thumb movement and delicate functionality.” The patent for this design is slated for commercialization, potentially providing companies like Isango with access to advanced technology.

Real-World Impact: The Case of Ku Han

The impact of these advancements is evident in the lives of individuals like Ku Han, a university student and musician. Ten years ago, Ku became a customer of Isango. Despite mastering various instruments despite the absence of his right hand, certain daily tasks and musical techniques remained difficult. The prosthetic hand has significantly improved his quality of life, stating, “It’s enriched my life. It used to be natural for me to give up on many things, but now I no longer have to thanks to my prosthetic hand.”

Ku is now collaborating with E on a custom prosthesis specifically designed for his musical performances, enabling him to “strum away like never before.” He emphasizes the positive impact of prosthetic technology, believing that “prosthetic hands can make life more hopeful and more enjoyable,” and credits his improved life to meeting E.

Synthesis and Conclusion

The prosthetics industry is undergoing a transformation, driven by innovation in areas like 3D printing and government-supported research. South Korean companies, like Isango, are demonstrating that advanced prosthetic limbs can be made more affordable, expanding access to life-changing technology. The combination of technological advancements, cost-reduction strategies, and a focus on personalized solutions is creating a more hopeful future for individuals with limb loss, as exemplified by Ku Han’s story. The industry’s trajectory suggests a continued push towards greater accessibility and functionality in prosthetic devices.