Disclose herein the fixed Total of Yi Seed at, it includes:One fixed plate extends Consistent to Shaft Line and a From The overhead surfaces with an overhead surface, a underlying surfaces, a Longitudinal and wears to the first Open mouthfuls of The underlying surfacesOne the oneth Bomb elements prolong to stretch and wear Open mouthfuls of Over The the first at least partIt is wherein caused by Agencies to receive the oneth bone bone Department Knot parts of Satisfied 1 for Open mouthfuls of The the first, the first bone bone Department Knot parts of The tool has the portions Head and a Shaft RodWherein the first Bomb elements of The can the oneth Like state Scratch songs to one the 2nd Like states of From 1And wherein the first bone bone Department Knot parts of When The are at least partially inserted to Time in Open mouthfuls of The the first, the first Bomb elements of The by Agencies cause can Nie close the first bones of The the portions The Head at least part. Yi Seed application methods are also disclosed herein.在此揭示一種固定總成,其包含:一固定板,其具有一上方表面、一下方表面、一縱向軸線及一從該上方表面延伸貫穿至該下方表面之第一開口;一第一彈性元件,其延伸穿過該第一開口之至少一部分;其中該第一開口被構造成用以收納一第一骨骼繫結件,該第一骨骼繫結件具有一頭部及一軸桿;其中該第一彈性元件可從一第一狀態撓曲至一第二狀態;且其中當該第一骨骼繫結件被至少部分地插入至該第一開口中時,該第一彈性元件被構造成可嚙合該第一骨骼之該頭部的至少一部分。在此亦揭示一種使用方法。