PROBLEM TO BE SOLVED: To provide a medical drill device which shows excellent operability and facilitates precise bore processing.SOLUTION: The medical drill device 100 is equipped with a driving shaft 120 which is constituted of a radiolucent material and is rotatably held by a casing 110, a chuck 130 which is constituted of a radiolucent material and coaxially holds a drill blade 140 at one end of the driving shaft 120, a first alignment guide 170 and a second alignment guide 172 which are constituted of a radiopaque material and are arranged along the driving shaft 120 in the axial direction at a prescribed interval, a connecting part 118 for connecting the casing 110 to an external general-purpose driving device integrally and detachably, a connecting shaft 150 which is arranged in parallel with the driving shaft 120 at a prescribed distance apart and is coaxially connected to the output shaft of the general-purpose driving device, and a power transmission mechanism 160 which transmits rotative power of the connecting shaft 150 to rotate the driving shaft 120 and the connecting shaft 150 in the same direction.COPYRIGHT: (C)2010,JPO&INPIT【課題】操作性に優れ、正確な穴加工を容易に行うことが可能な医療用ドリル装置を提供する。【解決手段】本発明に係る医療用ドリル装置100は、X線透過性材料によって構成されてケーシング110に回転自在に保持される駆動軸120と、X線透過性材料によって構成されて駆動軸120の一端においてドリル刃140を同軸的に把持するチャック130と、X線非透過性材料によって構成されて駆動軸120の軸方向に沿って所定の間隔で配置される第1照準ガイド170および第2照準ガイド172と、外部の汎用駆動装置にケーシング110を一体的且つ着脱可能に接続する接続部118と、駆動軸120と平行且つ所定の間隔で配置されて汎用駆動装置の出力軸に同軸的に接続される接続軸150と、接続軸150の回転動力を伝達して駆動軸120を接続軸150と同一方向に回転させる動力伝達機構160と、を備える。【選択図】図2
