The utility model discloses a slim medical positioner, this medical treatment positioner are used for carrying out the medical treatment to the body of the target on the platform and fix a position, include: two tracks, it sets up along the long limit extension of this platform respectively, an arc structure, its both ends are connected respectively in this two track, and including a first displacement subassembly, a metal casing, a second displacement subassembly and a third displacement subassembly, wherein, a first route reciprocating motion is followed by this first displacement subassembly to this arc structure on this two track, and this metal casing sets up in this arc structure inboardly, and it is by this second displacement subassembly in the inboard second route reciprocating motion that follows of this arc structure, and a probe, it is connected in this metal casing, and this probe carries out the medical treatment location to this target body in order to adjust the appropriate angle of should popping ones head in by this third displacement subassembly.本發明為一種薄型醫療定位裝置,該醫療定位裝置用於對一平台上之一目標體進行醫療定位,包括:兩軌道,其分別沿該平台長邊延伸設置;一弧形結構,其兩端分別連接於該兩軌道,包括一第一位移組件、一金屬殼體、一第二位移組件以及一第三位移組件,其中,該弧形結構係藉由該第一位移組件於該兩軌道上沿一第一路徑往復移動,該金屬殼體設置於該弧形結構內側,且其藉由該第二位移組件於該弧形結構內側沿一第二路徑往復移動;以及一探頭,其連接於該金屬殼體,該探頭係藉由該第三位移組件以調整該探頭適當的角度來對該目標體進行醫療定位。1 醫療定位裝置 11 平台 2 軌道 3 弧形結構 4 探頭