| Figure 15 Ostycut trephine needle (Angiomed/Bard, Karlsruhe, Germany) used to obtain core specimens of bone. (a) Photograph shows the components of the needle set, comprising cannula (top), stylet (middle), and probe for dislodging the specimen at the end of the procedure (bottom). (b) Close-up photograph of the needle tip shows the threaded cannula and trocar-point stylet that facilitates penetration of cortical bone. |
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