10:30-10:45

辩论 4:开展DDH手术，先髋柄是否非常有必要，中方“没必要”，德方“有必要”

The debate: If it is Quite Necessary to Use DDH Stem in DDH Surgery or Not? CHN: NO EU: YES

11:05-11:20

辩论 5：DDH-THA中，髋臼外杯的安放问题，中方“高位安放”，德方“原位安放”

The debate: Regarding the Placement of Acetabular Cup CHN: Hige Placement EU: In Situ

11:40-11:55

辩论 6:Crow IV型患者是否直接行短缩截骨，中方持“直接用”，德方“能不用则不用”

The debate: Should the Subtrochanteric Shortening Osteotomy be used for Patients with Crowe Type IV DDH? CHN: Should be Use EU:Should be Avoid