Medical three-dimensional locating apparatus

摘要

A medical three-dimensional locating apparatus (1) comprising: an arm unit (2) comprising a first arm (15) pivotally supported for turning about a first axis (P1), a second arm (17) pivotally supported on the first arm for turning about a second axis (P2) perpendicular to the first axis, and an indicating unit (19) or an echo probe held on the second arm so as to be moved toward and away from the intersection point of the first and second axes; a support unit (3) supporting the arm unit; and position detectors (H1-6) for detecting the position of the intersection point (S) of the first and second axes and the position of the tip of the indicating unit or the like relative to the intersection point. The medical three-dimensional locating apparatus is capable of accurately reproducing the three-dimensional position data of a focus obtained through imaging diagnosis in the affected part for an actual surgical operation and readily selecting an optimum approach angle, namely, an angle of a direction to approach the focus to a reference line, through a simple operation.