Hip joint disease scheduled for total hip arthroplasty Osteoarthritis, Rheumatoid Arthritis, Femoral head necrosis, Femoral neck fracture, rapidly destructive coxopathy, subchondral insufficiency fracture of the femoral head.
Conditions
Interventions
Set the target angle in advance, and install the cup using (A)angle goniometer. After installing the cup, Measure installation angle by using (B)simple navigation system using AR technology
Set the t
Sponsors
Nissan Tamagawa Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Patients who are scheduled to undergo THA with hip joint disease. (2) Patients aged 20 years or older at the time of acquiring consent (4) Document consent can be obtained by the patient's free will, after receiving sufficient explanation for the participation of this study, after understanding
Exclusion criteria
Exclusion criteria: (1) Patients who have been registered in the past in this study (2) Patients judged by the principal investigator to be inappropriate as subjects
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The Accuracy of Implant Placement using X-ray and CT at 3 months postoperative (Absolute value error between intraoperative measured value and postoperative measured value) | — |
Secondary
| Measure | Time frame |
|---|---|
| Using CT at 3 months after surgery, -Cup installation angle and differences from 3-dimensional preoperative plan (adiographic inclination (RI) and radiographic anteversion (RA)) -Accuracy of leg extension and femoral neck cut level(Absolute value error between intraoperative measured value and postoperative measured value) | — |
Countries
Japan
Contacts
Public ContactHiroyuki Ogawa
Nissan Tamagawa Hospital Department of Orthopaedic Surgery
Outcome results
None listed