Patent ID: 7458949

Claim:
A device for protecting ligaments in a knee joint of a user, wherein a maximum foot range of rotation of a foot of the user relative to the knee joint causes hyperextension of a ligament within the knee joint, the device comprising: a knee brace positionable about a knee joint of a user, the knee brace including: an upper frame member; a lower frame member having a brace connection point; and a joint member pivotally connected to the upper and lower frame members; a boot wearable on the foot of the user, the boot having a boot connection point, the boot being rotatable relative to the knee brace to rotate the boot connection point relative to the brace connection point; and a flexible tether member having: a first coupling element coupled to the knee brace at the brace connection point, the first coupling element including a first fastening portion and a first linking portion defining a male linking structure, the first fastening portion coupling the first coupling element with the knee brace at the brace connection point; and a second coupling element coupled to the boot at the boot connection point, the second coupling element including a second fastening portion and a second linking portion defining a female linking structure, the second fastening portion coupling the second coupling element with the boot at the boot connection point, the first and second linking portions being cooperatively engageable, the boot and knee brace being attachable and detachable via the first and second coupling elements, the flexible tether member being disposable in tension to mitigate rotation of the boot connection point relative to the brace connection point beyond the maximum foot range of rotation.