Tri-lock adjustable button loop
View Patent ↗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.
1. A method of making a suture assembly, comprising:
(a) providing a length of suture having a first and second end and defining a lumen and a button having at least a first and second aperture;
(b) drawing said first end through said first aperture and through said second aperture
(c) introducing said first end into said lumen at a first point and drawing said first end out of said lumen at a second point;
(d) drawing said second end through said second aperture and through said first aperture;
(e) introducing said second end into said lumen at said second point and drawing said second end out of said lumen at said first point thereby creating a double trap region containing two suture lengths, crossing each other;
(f) introducing said first end into said lumen at a third point, in between said second point and said button and drawing said first end out of said lumen at a fourth point, closer to said button than said third point, thereby creating a second trap region;
(g) introducing said second end into said lumen at a fifth point, in between first point and said button and drawing said second end out of said lumen at a sixth point, closer to said button than said fifth point, thereby creating a third trap region.
2. The method of claim 1 , wherein said button has additional apertures that are free of sutures and available to be threaded to an additional suture during surgery.
3. The method of claim 2 , wherein said additional apertures are arranged symmetrically about said two apertures.
4. The method of claim 1 , wherein said suture is made of ultra-high molecular weight polyethylene.
5. The method of claim 1 , wherein said button is rectangular with rounded ends.
6. The method of claim 1 , wherein said first and second ends of said length of suture are threaded through said apertures and accessible on a side of said button opposed to said double loop.