About Otto Bock Products Fabrication Services Education Consumer Consumer
Home > Products > Custom Orthotics > Polycentric Knee Joint with Gear Drive

Polycentric Knee Joint with Gear Drive


Application: For knee orthoses with required guidance of movement, for example after collateral ligament injuries.

#7U45 Polycentric Knee Joint with Gear Drive

Free-motion joints, concave rounded edge bar. Thermoplastic joints have a forming temperature of 150 °C/302 °F.

LENGTH FROM JOINT CENTER LOWER / UPPER

JOINT CENTER DISTANCE

BAR WIDTH/
DISTANCE

JOINT THICKNESS

270/270mm

16mm

25/5.5mm

14mm



#7U49 Polycentric Knee Joints with Gear Drive

Joints feature interchangeable extension stops ranging 6 - 40 °, as well as binding head screws for 40 °, 65 ° and 90 ° limited flexion. Concave rounded edge bar. Thermoplastic joints have a forming temperature of 150 °C /302 °F.

COLOR

LENGTH FROM JOINT CENTER UPPER/LOWER

JOINT CENTER
DISTANCE

BAR WIDTH/ THICKNESS

JOINT THICKNESS

white

270/270mm

16mm

25/5.5mm

14mm



#7U56 Polycentric Knee Joints with Gear Drive

Joints have interchangeable stops to limit extension (6 - 40 °) as well as flexion
(0 - 100 °). Concave rounded edge bar. Thermoplastic joints with a forming temperature of 150 °C/302 °F.

COLOR

LENGTH FROM JOINT CENTER UPPER/LOWER

JOINT CENTER DISTANCE

BAR WIDTH/ THICKNESS

JOINT THICKNESS

white

270/270mm

16mm

25/5.5mm

14mm



Home > Products > Custom Orthotics > Polycentric Knee Joint with Gear Drive