A device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation. The device comprises a pin (11) and two concavoconvex disks (21 & 22) of a physiologically compatible metal or metal compound. The pin has a flat head (111) at one end and one (21)...http://www.google.es/patents/US6068631?utm_source=gb-gplus-sharePatente US6068631 - Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
Device for postoperative fixation back into the cranium of a plug of bone ...