flatfoot – FDL transfer with Shark Screw® tendon Osteochondrosis dissecans (OCD) on the talus surgical technique Os Tibiale Externum – Flatfoot correction with the Shark Screw® allograft Talonavicular joint arthrodesis with the Shark Screw® Allograft Calcaneus osteotomy – acquired flatfoot with FDL tendon transfer Tailor’s bunion surgery (Bunionette) with Shark Screw® Arthrodesis on the PIP joint (hammer toe & claw toe) surgical treatment Weil Metatarsal Osteotomy using the Shark Screw® allograft Tarsometatarsal (Lisfranc) joint arthrodesis using the Shark Screw® allograft Bunion surgery (Hallux valgus) / surgical technique MTP I Arthrodesis | Hallux rigudus with the Shark Screw® Allograft