Previously inexpensive prosthetic knee joints rotated on a single axis, like a door hinge. These proved to be unstable and unsafe on rough terrain and caused amputees considerable physical and ...

Around the 4:30 mark of the talk, she shows video of a man walking with a cheap, single-axis knee prosthesis currently on the market, and then a man walking with the ReMotion Knee. The difference ...

In developing countries, most poor amputees who lose their legs receive prosthetics with single-axis knee joints — similar to a door hinge — that are unstable and can buckle. D-Rev, a nonprofit that ...

And the knee has been the weakest link in prosthetic componentry in the developing world. We've had very simple knee joints which are single axis, which are more like door hinges, and we've been ...

And we’re used to seeing prosthesis in the west that have that ... In the case, we go into in a single axis knee, how do you have a dual axis knee because that’s what allows you to both ...