PROBLEM TO BE SOLVED: To provide an applied instrument to be used for a bone fixation system using a stretchable bone fixation member and capable of simplifying tasks when applying the stretchable bone fixation member to the bone.SOLUTION: Applied instruments 30, 40 of a bone fixation member are an applied instrument for applying stretchable bone fixation members 10, 20 to the bone which has: first rod-shaped bodies 10A, 20A which are arranged on an end side in an axial direction and provided with first bone engaging structures and second rod-shaped bodies 10B, 20B which are arranged on a distal end side in the axial direction and configure slidable stretchable structures in the axial direction between the first rod-shaped bodies and themselves. The applied instruments 30, 40 are provided with: first operation shafts 30A, 40A equipped with first end engaging parts that can be engaged with a base end part of the first rod-shaped bodies at least in the axial direction and second operation shafts 30B, 40B equipped with a second end engaging part engageable with a base end part of the second rod-shaped body at least in the axial direction.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】伸縮可能な骨固定部材を用いた骨固定システムに用いる適用器具であって、伸縮可能な骨固定部材を骨に適用する際の作業を容易化することのできる適用器具を提供する。【解決手段】本発明の骨固定部材の適用器具30、40は、軸線方向の先端側に配置されるとともに、第1の骨係合構造を備える第1の軸状体10A,20Aと、軸線方向の基端側に配置されるとともに、第1の軸状体との間で軸線方向にスライド可能な伸縮構造を構成する第2の軸状体10B,20Bとを有する、伸縮可能な骨固定部材10,20を骨に適用するための適用器具である。この適用器具30,40は、第1の軸状体の基端部に対して少なくとも軸線方向に係合可能に構成された第1の先端係合部を備える第1の操作軸30A,40Aと、第2の軸状体の基端部に対して少なくとも軸線方向に係合可能に構成された第2の先端係合部を備える第2の操作軸30B,40Bとを具備する。【選択図】図1
