| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for replacing tissue, for example, bone tissue in a living body.SOLUTION: This device includes an index part (1), a transport part (2), a threaded rod (3), a nut (4) anchored on the threaded rod (3), a drive shaft and driving means (71, 72 and 73) for connecting the drive shaft to the nut (4). The transport part (2) is anchored on the index part (1) in a slidable manner and restricted in its rotation with respect to the index part (1) by the first stop part (34) cooperating with first brackets (14 and 15) while the rotation of the threaded rod (3) to the index part (1) is obstructed by the first stop part (34), and the nut (4) can be freely rotated with respect to the index part (1). |
