Mcpherson guhambira imbaraga, Igororotse cyangwa inguni cyangwa igoramye ifite urubuga rwo guhambira 5.0mm, inama 0.2mm ya suture yo kubaga 10/0 cyangwa 11/0, Muri rusange uburebure bwa mm 85, Yakozwe na titanium, Ibikoresho byo kubaga byongeye gukoreshwa.