Patent ID: 8034083

Claim:
An artificial ligament assembly comprising: an outer hollow elastic longitudinal member comprising a first portion and a second portion, wherein said first and said second portion are significantly parallel to one another; a rigid inner member configured in a substantially same shape as said outer hollow elastic longitudinal member, wherein said rigid inner member fits inside said outer hollow elastic longitudinal member; at least one bone anchor mechanism directly coupled to said outer hollow elastic longitudinal member; at least one bone anchor directly coupled to said at least one bone anchor mechanism; and at least one buffered space between said rigid inner member and said bone anchor mechanism and further between said first portion and said second portion of said outer hollow elastic longitudinal member, wherein said at least one buffered space allows at least one of a compression and an extension of said bone anchor mechanism inside said outer hollow elastic longitudinal member, and wherein said at least one buffered space is filled with a liquid or air.