Evidence from the Australian registry has shown that not a single new knee or hip prosthesis had a lower failure rate than that of the established prostheses.

NEWYORKER: Big Med

Two years after the accident, he made the difficult decision to have his severely injured left leg amputated below the knee and replaced with a prosthesis made of carbon fiber and steel.

WSJ: Bionic Brains and Beyond

The more recent "Power Knee" is the world's first motorized, artificially intelligent prosthesis, Ossur says, helping wearers up steep slopes and stairs as well as reducing wear and tear on the remaining good leg.

CNN: Powering prosthetics with thoughts alone

Her partial prosthesis had worn through the bone on the lower surface of her knee.

NEWYORKER: Big Med