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Ottobock develops the 3R67™ prosthetic knee joint with hydraulic swing phase control for children

This new prosthesis meets everyday playtime demands

AUSTIN, Texas, (September 1, 2017) – Ottobock HealthCare, a world-leading supplier of innovative solutions for people with limited mobility, has developed the first everyday prosthesis with hydraulic swing phase control specifically for children.

Because children with a disability have different prosthesis needs than adults, and active youngsters have a constant urge to be on the move, Ottobock designed the 3R67prosthetic knee joint to meet those needs.

The cutting-edge technology of the new 3R67 prosthetic knee joint meets the everyday demands of children, ages six through twelve, during a myriad of playtime activities. These activities include different walking and running speeds, intuitive kneeling with a flexion angle of up to 150 degrees, and frequent changes of pace while riding a bike or scooter.

Thanks to the integrated hydraulics, the prosthetic knee joint functions smoothly in the swing phase. The polycentric four-axis geometry of the joint ensures a high level of stance phase stability and safety. With these features, the 3R67 provides young users with reliable support at any walking speed and enables spontaneous actions.

In addition, the prosthesis can be extended as the child grows. Scope of delivery includes a tube clamp adapter, designed to increase in length by up to 3/4-inch (2 cm), without requiring a new tube adapter. With a net weight of just 18 ounces (510 g), the joint offers great freedom of movement.

Another highlight is the durable, robust design, which allows the 3R67 to withstand the widely varied demands of sports and playtime. Nine-year-old Rio Woolf is especially delighted about this. “My friends think it’s cool that I don’t need any special attention. I can do anything we want to do at the moment,” he said.

Active children like Rio, who love to be on the move, also benefit from the special sport prosthesis combination consisting of the Runner junior sports foot and the Modular Sport Knee Joint 3S80=1™.