A man with four fingers amputated builds incredibly articulated prostheses, all activated by wrist movements
After being amputated by 4 fingers of his left hand, a man decides to design and make his own prosthesis, incredibly reproducing the real movements, even if it does not contain any electronic elements.
A 100% mechanical prosthesis
Purely mechanical protection that relies on the wearer's movements rather than electric motors, batteries and sensors attached to the muscles is not a new idea, but its capabilities are limited compared to more technological prosthetics. For those who have lost a hand or even part of their arm, prosthetics like Dean Kamen's "Luke" arm are impressive and can restore a significant amount of function. However, they are not cheap, which can limit their access to those who need them most.
In 2017, Ian Davis was diagnosed with a type of cancer known as multiple myeloma which can lead to weakening of the bones. In 2018, a workplace accident caused him to fracture his hand, which resulted in doctors having to amputate four fingers to save his life. Ian Davis is left-handed, and the loss of functionality in this hand could have ended his ability to work. Instead, while recovering in the hospital, he drew sketches for his own prosthesis and has since improved, modernized and rebuilt mechanical fingers, sharing his progress on his YouTube channel.
Precise movements without electronics
Just last week Ian Davis shared a video of the latest and greatest version of his prosthesis, which he is now able to spread and extend his fingers individually. Ian Davis' amputation left him with half of his left hand and wrist still functioning, so that, instead of electric motors, he is able to bend and stretch his artificial fingers using a complex series of powered and controlled mechanical links. by the way he moves his hand and wrist.
As a self-proclaimed manufacturer, Davis' prosthetic fingers can be the ultimate push, as it is for him not only to pursue his passions and stay productive in his workshop, but also to continue living his life and carrying out everyday, worldly tasks. . And like many manufacturers, Davis wants to share his creations and what he has learned with the manufacturing community in the hopes that his prosthetics will inspire and contribute to the design of other prosthetics to make these important tools available.