Levitation brace gives users spring-loaded knees
Level 2 VOW™ Versatile Over Wrap Knee Wrap w/ Hinges & Straps 
The Breg T Scope Premier Post-Op knee brace
Ultra Knee Support with Bilateral Hinges
NEW BIONIC WEARABLE KNEE BRACE Spring Loaded Technology recently announced the launch of its lightweight and compact bionic knee brace, Levitation™.
Since 1980's the Rebel® range of braces have been protecting and supporting athletes and individuals knee joints.