Evidence outside the box: Minimally invasive treatment for anal fistula

Figure 2 Schematic deployment of anal fistula plug. A: Suture attached to the tail of the fistula plug; B: Plug is pulled into the tract via the suture, tail first, until internal opening is fully occluded and plug is tightly fit within tract; C: Secure suturing of plug inner tail with a “figure of 8” stitch which should seal the internal opening.