PROBLEM TO BE SOLVED: To provide a leg position retainer capable of retaining the leg position formed by internally/externally rotating a hip joint for facilitating insertion of an implant.SOLUTION: A leg position retainer includes: a base part 10 formed to be mountable on one side Lc of a bed B； a plate-like member 12 installable across a prescribed position P on the bed B from the upper side of the base part 10； an adjustment part for adjusting a height-directional interval between the base part 10 and the plate-like member 12； an ankle locking part 16 provided on the upper face of the plate-like member 12 and formed to lock an ankle of a first leg Ld of a patient M in the other side Ld of the bed B, in a prescribed direction； and a foot locking part 18 provided on the upper face of the plate-like member 12 and formed to lock at least a metatarsophalangeal joint of the first leg Ld of the patient M.SELECTED DRAWING: Figure 1【課題】インプラントを挿入し易くするために、股関節を内転・外旋させた脚位を保持可能な脚位保持具を提供する。【解決手段】寝台Ｂの一方の側部Ｌｃに取り付け可能に形成された土台部１０と、土台部１０の上から寝台Ｂ上の所定の位置Ｐに亘って設置可能な板状部材１２と、土台部１０と板状部材１２との高さ方向の間隔を調節する調節部と、板状部材１２の上面に設けられ、寝台Ｂの他方の側部Ｌｄ側の患者Ｍの第一の脚Ｌｄの足首を所定の向きで係止可能に形成された足首係止部１６と、板状部材１２の上面に設けられ、患者Ｍの第一の脚Ｌｄの少なくとも中足趾節関節を所定の向きで係止可能に形成された足先係止部１８と、を備えている。【選択図】図１
