A kind of free type about collar is suitable for wearing for a limbs, and the fixed one bed handrail bridge of what of the limbs, the limbs can be had a upper arm, a lower arm and a palm, and the free type about collar includes an elongated body, an elongated hardboard and an at least band. The body include one wear for the upper arm upper end, a lower end worn for the lower arm and one through the upper end and lower end, and the accommodating space outside what opposite end connection what. The accommodating space is worn for the limbs, and the palm is pierced by its one end adjacent to lower end. Two opposite end lines setting what set of the parallel body of the hardboard is internal. The hardboard what supports the limbs for wearing the what accommodating space. The what body is arranged in the band, and has one to wear portion, and can be by the fixed what elongated hardboard of the limbs.一種自由型約束套，適用於供一肢體穿設，且可將該肢體固定於一臥床扶手桿架，該肢體具有一上臂、一下臂及一手掌，該自由型約束套包含一長形套體、一長形硬板及至少一束帶。該套體包括一供該上臂穿設之上端部、一供該下臂穿設之下端部，及一貫穿該上端部與下端部，且於相反兩端連通於外部的容置空間。該容置空間供該肢體穿設，且該手掌穿出其鄰近下端部之一端。該硬板平行該套體之兩相反端連線設置於該套體內。該硬板用於支撐穿設於該容置空間的肢體。該束帶設置於該套體，且具有一穿設部，並可將該肢體固定於該長形硬板。
