A rod connection (1) for fixing a rod part (2, 2a, 67) in a surgical device (16, 51) within a bore (6, 6a, 73) of a rod receiving member (4, 20, 59) includes the rod receiving member comprising the bore having an inner diameter, the rod part having an outer diameter, the rod part being introduced into the bore, wherein the inner diameter of the bore and the outer diameter of the rod part are selected, such that the rod part is press-fitted into the bore of the rod receiving member and the bore has an inner wall surface (8, 75) opposing an outer wall surface (9, 77) of the rod part, the inner wall surface or the outer wall surface being provided with at least one recess (12, 71) in order to reduce a contact surface area between the rod part and the rod receiving member.一種手術裝置(16,51)內的桿件(2,2a,67)固定於桿容納構件(4,20,59)的腔孔(6,6a,73)內所用之桿接頭(1),含桿容納構件,包括有內徑之腔孔,有外徑之桿件,桿件係引進入腔孔內,其中選擇腔孔的內徑和桿件之外徑,使桿件可壓套入桿容納構件之腔孔內;而腔孔有內壁面(8,75),與桿件的外壁面(9,77)對立,內壁面或外壁面設有至少一凹部(12,71),以減少桿件和桿容納構件間之接觸表面積。2a‧‧‧桿狀構件6a‧‧‧腔孔8‧‧‧內壁面9‧‧‧外壁面12‧‧‧公制螺紋20‧‧‧第一段22‧‧‧第二段23‧‧‧空心空間24‧‧‧撓性元件28‧‧‧導引構件
