First in NH with special technology
Hudson man gets bionic prosthetic knee
John “Jack” Daly, right, from Hudson, with Jason Lalla, a certified prosthetist, gets a new waterproof, computerized prosthetic knee, at Next Step Bionics and Prosthetics, on Thursday, in Manchester. (Thomas Roy/Union Leader)
Daly, a truck driver who lost both his legs in a highway accident last Halloween, is the first New Hampshire resident to be fitted with a waterproof, microprocessor-controlled knee that anticipates his movement and adjusts the prosthetic effortlessly.
Sophisticated prosthetic knees are not new. They use pistons and hydraulics, similar to a shock absorber. The piston extends or contracts based upon the force applied during the walking motion.
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