Neck fracture, Hip OA, Hip RA, Osteonecrosis of the hip joint
Conditions
Interventions
Operation support operation 1 day
Sponsors
Dept. of Musculoskeletal Biomechanics and Surgical Development Sapporo Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Eligible patients with inclusion criteria and without exclusion criteria described as below 1) Patients with hip osteoarthritis, rheumatoid arthritis, idiopathic osteonecrosis of the femoral head, which the researcher deemed application of total hip arthroplasty, will be the target diseases in this study. 2) Patients with primary total hip arthroplasty, using cementless cup. 3) Patients over 20 years old 4) Patient who signed informed consent form with patient's own voluntary intention. During the observation period, patients who intend to continue to participate in this study
Exclusion criteria
Exclusion criteria: Patients will be excluded as follow 1) Patients with infection 2) Patients with primary bone tumor or metastatic bone tumor who developed large bone defect to support the implant 3) Patients with surgical history such as osteotomy in the pelvis, with significant bone deformity 4) Patient who performs total hip arthroplasty in supine position 5) Patients who developed dementia and influence to obtain adequate evaluation 6) In patients with systemic disease, which affects the assessment 7) Pregnant patients, possible patients of pregnant 8) Patients whom the research director judged as noneligible
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of 3 dimensional angle of implanted cup after operation immediately | — |
Countries
Japan
Contacts
Public ContactYukikko Yoshida
Sapporo Medical University Department of Orthopedic Surgery
Outcome results
None listed