End-stage hip disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 18-80 years (including 18 and 80 years), both sexes; 2. The patient should have indications for hip replacement surgery; 3. Patients voluntarily participate in clinical trials and are willing to sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with neuromuscular insufficiency (e.g., paralysis, myolysis, or abductor weakness) resulting in hip instability or gait abnormalities after surgery; 2. Active infectious lesions in the hip joint or other parts of the body; 3. Patients with severe hip deformity and hip dysplasia of CROWE grade 3 or 4; 4. Ankylosing spondylitis patients with bony ankylosis or severe rigidity; 5. Patients who underwent a simultaneous bilateral hip replacement, or who had undergone hip replacement on the contralateral side within 3 months, or who were expected to undergo hip replacement on the contralateral side within 1 year after surgery; 6. The patient is known to have a history of allergy to one or more implanted materials; 7. Patients with severe internal or surgical diseases or weak constitution, unable to tolerate surgery; 8. Patients with poor expected compliance; 9. Pregnant or lactating women, or patients with family planning during the study; 10. Patients participated in clinical trials of other drugs within 3 months before enrollment, or clinical trials of other devices within 1 month before enrollment; 11. Other circumstances deemed inappropriate by the investigator for study participation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of acetabular cup implantation; | — |
Secondary
| Measure | Time frame |
|---|---|
| The number of anteversion and abduction angles of acetabular cup implantation;Percentage of acetabular cups accurately implanted in the safe zone;Preoperative prosthesis specification planning accuracy and complete accuracy;Accuracy of lower limb length;Eccentricity of hip;Horizontal and vertical distance of the center of rotation (COR) of the hip joint;Harris Hip Joint Function Scale;WOMAC score;time of operation;Total and theoretical total blood loss;Instrument performance evaluation; | — |
Countries
China
Contacts
Department of Orthopedics, the Second Affiliated Xinqiao Hospital, Army Medical University