Tensionable and lockable micro suture anchors and anchor arrays for anatomical attachment of soft tissue to bone

A toggle-type suture anchor comprising:

• an elongate body having a proximal passage, a middle passage, and a distal passage extending from a top surface to a bottom surface, each passage located at spaced intervals along the elongate body with the middle passage between the proximal and distal passages;
• a single suture passing into the proximal passage at the top surface and out at the bottom surface, then back up through the distal passage at the bottom surface out the top surface leaving a length of suture extending past the middle passage adjacent the bottom surface;
• and,
• a locking loop extending from the middle passage at the bottom surface which encircles a portion of the length of the suture extending adjacent the middle passage along the bottom surface, the locking loop having a first open position allowing the suture to slide through the locking loop and a second closed position engaging the suture and preventing sliding of the suture within the locking loop.

A toggle-type suture anchor comprising:

• an elongate body having a generally flat top and bottom surfaces and rounded side surfaces, the rounded side surfaces defining a maximum diameter of the elongate body and each of a proximal, a middle and a distal passage extending from the top surface to the bottom surface, each passage located at spaced intervals along the elongate body with the middle passage between the proximal and distal passages;
• a single suture passing into the proximal passage at the top surface and out at the bottom surface, then back up through the distal passage at the bottom surface out at the top surface leaving a length of suture extending past the middle passage along the bottom surface;
• and,
• a locking suture having a collapsible loop formed therein and a tightening leg extending from the collapsible loop, with the collapsible loop extending from the middle passage at the bottom surface to encircle a portion of the length of the suture extending past the middle passage along the bottom surface, the tightening leg extending through the middle passage to the top surface, the collapsible loop configured to close in response to tension on the tightening leg in the direction of the top surface.