US Patent 9963319 Tri-lock adjustable button loop

A suture assembly, including a button having two apertures and a suture defining a lumen and forming a double loop, formed by a double trap having a first end and a second end, opposed to the button. A first portion of the suture is threaded through the trap from the first end to the second end, and a second portion of the suture is threaded through the trap from the second end to the first end. The assembly further defines a first single trap, in which the first portion of the suture is threaded through the lumen between the second end and the button. Also defined by the assembly is a third trap, in which the second portion of the suture is threaded through the lumen between the first end and the button. Finally, the double loop is threaded through the two apertures of the button.