OVT001 Direct Anterior Total Hip Arthroplasty Through Bikini-Style Incision

OVT002 Total Hip Arthroplasty with femoral shortening and rotational osteotomy by Direct Anterior Approach in  CROWE IV hip patients

OVT013 Surgical Procedure of Total Hip Arthroplasty Using T-REX, 3D-Printed Custom-Made Acetabular Component Made In Japan, For Patients with Massive Acetabular Bone Defects

OVT014 Wake Up Test in Total Hip Arthroplasty