| 摘要 |
Provided is an assembling tool (12) for assembling a bone fixation device (11). The assembling tool includes: a shank (2) which has a screw part (21) to be fixated on a bone and also has a joining end portion (22); a head (3) which is separated from the shank (2) and has a penetrated hole (32); and an accommodation unit (4) which has a first end portion (41), a second end portion, and a vertical hole which is extended from the first end portion to the second end portion. The head (3) is placed to be located in hole (48) on the second end portion (48). The assembling tool (12) includes a support unit (9) which is arranged to support a pin (8), has a rod unit (81), which is extended through at least a hole of the head (3) and has the length and the diameter proper to be appropriately inserted, also has a free end portion (82), which is extended from the rod unit (81) to protrude from the penetrated hole of the head, and is formed to be joined to the joining end potion (22) of the shank. According to a certain embodiment of the present invention, the assembling tool additionally includes a spring force means (10), and the pin (8) additionally includes a support unit (85) arranged to move with respect to a support unit (9) along a vertical axis of the pin (8) with respect to elastic force provided by the spring force means (10). |
