Shelfing operations for treating the Paralytic instability of the disabled hip joints had been performed in 42 cases, including complete dislocation 10, incomplete 14 and subluxation 18.

采用髋臼造盖术治疗麻痹性髋关节不稳42例，其中全脱位10例，半脱位14例，松弛性滑脱18例。