Osteoarthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: TKA: (1) Age 18-80 years old, gender is not limited; (2) Patients diagnosed with knee osteoarthritis who did not respond to conservative treatment; (3) Patients who were assessed by the investigator to require unilateral first knee replacement surgery; (4) The subjects fully understand the benefits and risks of this experiment and are willing to participate and sign the informed consent. THA: (1) Over 18 years old, gender is not limited; (2) Patients should have indications for hip replacement surgery; (3) Patients voluntarily participate in clinical trials and are willing to sign an informed consent form.
Exclusion criteria
Exclusion criteria: TKA: (1) Patients with neuromuscular insufficiency (e.g., paralysis, myolysis) that will lead to postoperative dysfunction affecting lower limb function; (2) Patients with severe internal or surgical diseases or weak constitution who cannot tolerate surgery; (3) Charcot's arthritis; (4) There is an active infection in the body (systemic or local infectious lesions); (5) Serious osteoporosis, metabolic bone disease, radiation bone disease, and tumor around the knee joint; (6) Patients expected to have poor compliance; (7) Pregnant or lactating women, or patients who have family planning during the clinical study; (8) Other situations in which the investigator considers it inappropriate to participate in the study. THA: (1) Neuromuscular dysfunction, such as paralysis, myolysis, or abductor weakness which can lead to postoperative hip instability or gait abnormalities in patients; (2) Patients with a history of infection or suspected/confirmed infection in the hip joint or other parts of the body; (3) Known patient has a history of allergies to one or more implanted materials; (4) Patients with severe internal and surgical diseases or weak physical constitution who cannot tolerate surgery; (5) Patients with poor expected compliance; (6) Pregnant or lactating women, or patients who have family planning during the clinical study; (7) Other situations in which the investigator considers it inappropriate to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hip-knee-ankle, HKA;Accuracy of acetabular cup implantation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Accuracy of prosthesis implantation;KSS;WOMAC;Operation time;Anterior inclination and abduction angle degrees of acetabular cup implantation;The percentage of safe zones for accurate implantation of acetabular cups;Lower limb length accuracy;Harris hip score; | — |
Countries
China
Contacts
West China Hospital of Sichuan University