A rod insertion device for inserting a rod into a bone anchor is provided, the rod insertion device comprising an shaft (1) having a first end (1a) and a second end (1b) and a shaft axis (S), a rod holding member (2) connected to the first end (1a) of the shaft (1) and configured to pivot relative to the shaft around a pivot axis (P), the rod holding member (2) being further configured to receive a portion (101) of a rod (100) therein, wherein the rod holding member (2) comprises at least two recesses (25a, 25b) that are provided in an outer surface (2b) of the rod holding member (2) and that are separate from each other in a circumferential direction about the pivot axis a handle (3) provided at the second end (1b) of the shaft (1) a locking member (4) that is configured to engage the rod holding member (2) to lock an inserted rod (100) in the rod holding member (2) a detent member (5) that is configured to selectively engage the at least two recesses (25a, 25b) of the rod holding (2) member to latch a pivot position of the rod holding member relative to the shaft (1).本案提供一種桿件插入裝置,把一桿件插入一骨骼固定器內之用,該桿件插入裝置包括:一幹部(1),具有一第一端(1a)、一第二端(1b),和一幹部軸線(S);一桿件保持構件(2),連接至該幹部(1)之該第一端(1a),構成相對於該幹部繞一樞軸(P)樞動,該桿件保持構件(2)又構成容納一桿件(100)之一部位(101),其中該桿件保持構件(2)包括至少二凹部(25a,25b),設在該桿件保持構件(2)之一外表面(2b),且彼此按繞樞軸之沿周方向分開;一柄部(3),設在該幹部(1)之該第二端(1b);一鎖定構件(4),構成本發明該桿件保持構件(2),把一插入之桿件(100)鎖定於該桿件保持構件(2);一掣子構件(5),構成選擇性結合該桿件保持構件(2)之該至少二凹部(25a,25b),以閂住該桿件保持構件相對於該幹部(1)之樞動位置。1‧‧‧幹部2‧‧‧桿件保持構件4‧‧‧鎖定構件4a‧‧‧鎖定構件第一端4c‧‧‧鎖定構件下側5‧‧‧掣子構件6‧‧‧第一偏壓構件7‧‧‧第一預載構件或螺紋銷9‧‧‧圓盤構件10a,10b‧‧‧結合結構臂部12‧‧‧第二偏壓構件13‧‧‧第二預載構件或銷13a‧‧‧第二預載構件下端28‧‧‧樞銷35‧‧‧內腔孔35a‧‧‧擴大室36‧‧‧縱向腔孔36a‧‧‧腔孔螺紋段37‧‧‧柄部上端腔孔37a‧‧‧陰螺紋71‧‧‧結合結構131‧‧‧夾持部132‧‧‧銷的螺紋段S‧‧‧幹部軸線
