Patent ID: 8377145

Claim:
An adjustable pylon for use with a prosthetic limb, comprising: a fixed tube, said fixed tube having an attachment end and a receiving end, said attachment end adapted to attach to a component of the prosthetic limb, said fixed tube including a retainer bulkhead inside said fixed tube, said retainer bulkhead including a hole; an adjustable tube, said adjustable tubing having an attachment end and an insert end, said attachment end adapted to attach to a component of the prosthetic limb, said insert end sized to fit inside said fixed tube at said receiving end of said fixed tube, said adjustable tube including a threaded bulkhead inside said adjustable tube, said threaded bulkhead including a threaded hole; and a length adjustment screw, said length adjustment screw including a threaded body and a centering post, said threaded body threaded to screw into said threaded hole of said threaded bulkhead inside said adjustable tube where said centering post is inserted first such that said centering post extends towards said hole of said retainer bulkhead of said fixed tube, said centering post sized to insert into said hole of said retainer bulkhead of said fixed tube; further including an anti-rotation device as part of said adjustable pylon to prevent rotation of said adjustable tube within said fixed tube when required; and wherein said anti-rotation device includes a clamping groove along said fixed tube at said receiving end of said fix tube, a first clamp bulkhead on said fixed tube at one side of said clamping groove and a second clamp bulkhead on said fixed tube at another side of said clamping groove, and a clamp bolt; said first clamp bulkhead including a bolt hole large enough to allow a threaded shaft of said clamp bolt to pass; and said second clamp bulkhead having a threaded bolt hole.