knee osteoarthritis
Conditions
Interventions
3 D printing group:3D printed porous cone
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Primary joint replacement is required for primary knee osteoarthritis, rheumatoid arthritis or traumatic arthritis, or revision knee replacement is required for various reasons; 2. Tibial or femoral bone defects of AORI classification TYPE II or above; 3. Unilateral joint replacement was performed; 4. Patients aged 18-85 years (including 18 and 85 years).
Exclusion criteria
Exclusion criteria: 1.History of the following diseases: renal insufficiency, liver insufficiency, severe heart disease, severe respiratory disease, coagulopathy, stroke, and malignant tumor; 2.Rheumatoid arthritis in active stage; 3.When the infection around the prosthesis is not completely controlled; 4.Patients with bone defects caused by bone tumors; 5.The patient has osteomalacia or any metabolic disorder that may impair bone formation; 6.Patients have allergies or suspected allergies to titanium implants; 7.Patients with immature bone development; 8.The patient is pregnant or breast-feeding or is a protected population (e.g. prisoner, mentally impaired, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| failure rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative force line condition;Postoperative function;operation duration; | — |
Countries
China
Contacts
Public ContactTian Hua
Peking University Third Hospital
Outcome results
None listed