Features:

1. With hip hings, angle or flexion can be adjustable.
2. It can be used when sleeping, sitting, standing.

Functions and applications:

1. The pediatric patient with geneogenous hypogenetic hip joint, also can be applied to the rest treatment after closed reduction for those acetabular dyspla pediatric patient with luxatio coxac congenita.
2. Nursing care for the hypogenetic hip joint of pediatric period.
3. The unstablity or asymmetry of hip- definite diagnose from the experienced doctor's regular checking.
4. The hypogenesis of hip joint.
5. The asymmetry of innominate bone.
6. The dislocation or subluxation of hip joint.