[8 Cases of cotyloid impaction treated by the hoop apparatus].
D000077:Acetabulum; D002648:Child; D004864:Equipment and Supplies; D025981:Hip Injuries; D007223:Infant; D019838:Neck Injuries; D019637:Orthopedic Procedures; D009985:Orthopedics / Q000600:supply & distribution*; D016103:Spinal Fractures
ACETABULUM/fracture and dislocation; ORTHOPEDICS/equipment and supplies