Sling assemblies for treating urinary incontinence and methods related thereto

A surgical fastener, comprising:

• a proximal end and a distal end;
• a first member having a proximal end corresponding with the proximal end of the surgical fastener and a distal end corresponding with the distal end of the surgical fastener, the first member comprising a first interior face, a first exterior face, a first engagement element projecting from the first interior face at a first location between the proximal end of the surgical fastener and the distal end of the surgical fastener, and a tongue disposed at the distal end of the first member;
• a second member having a proximal end corresponding with the proximal end of the surgical fastener and a distal end corresponding with the distal end of the surgical fastener, the second member comprising a second interior face, a second exterior face, a second engagement element, the second engagement element complementary with the first engagement element at the first location between the proximal end of the surgical fastener and the distal end of the surgical fastener, and a notch disposed at the distal end of the second member, wherein, when the tongue is fixedly place in the notch, the first engagement element interfits into the second engagement element and the first interior face of the first member and the second interior face of the second member are substantially fixed in proximity to each other;
• a hinge section wherein the hinge section joins the first member and the second member;
• and
• an anchor located at the proximal end of the surgical fastener, the anchor being configured to anchor the surgical fastener at an anatomical site.