Femoral Head Necrosis, Unicompartmental and Total Knee Osteoarthritis
Conditions
Interventions
Gradient porous prosthesis group :Gradient porous prosthesis implantation
AI-Assisted UKA Group:AI-assisted kinematic alignment unicompartmental knee arthroplasty
Sensor-Assisted Robotic TKA Group:AI-integrated imaging with real-time pressure monitoring via flexible sensors
Sponsors
China-Japan Friendship Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged 18–75 years undergoing joint replacement surgery Diagnosed with femoral head necrosis (ARCO II–III), unicompartmental or total knee osteoarthritis (Kellgren–Lawrence II–III) No severe ligament deficiency or joint deformity Able to provide informed consent and comply with follow-up
Exclusion criteria
Exclusion criteria: ARCO stage IV or requiring total hip arthroplasty Multicompartmental knee osteoarthritis or Kellgren–Lawrence grade IV Severe ligament instability or uncorrectable deformity History of joint infection or recent intra-articular injection (within 3 months) Severe cardiopulmonary, hepatic, renal dysfunction or coagulation disorders Pregnancy or lactation Cognitive impairment or psychiatric disorders affecting compliance Refusal to sign informed consent or poor compliance
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Improvement in Harris Hip Score;Alignment between prosthesis position and spacer trajectory;Improvement in knee function score;Tension–gap balance achievement rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative complication rate; | — |
Countries
China
Contacts
Public ContactZhang Qidong
China-Japan Friendship Hospital
Outcome results
None listed