Knee Arthroplasty
Conditions
Interventions
Observation group (medial malleolus midpoint positioning, lateral malleolus midpoint positioning, traditional extramedullary positioning):none
Sponsors
The First Affiliated Hospital of Army Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Underwent total knee arthroplasty for severe osteoarthritis; 2. Complete preoperative CT imaging data of the affected limb were obtained, with 3D visualization modeling and preoperative planning completed.
Exclusion criteria
Exclusion criteria: 1.The surgical limb presents with ankylosing deformities of the knee, hip, or ankle joint; 2.The surgical limb has a history of hip, knee, or ankle joint replacement surgery; 3.The surgical limb has a prior history of lower limb fractures due to trauma.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The distance between the positioning point and the anatomical landmark;The distance error between the positioning point and the mechanical axis of the tibia;The angle error between the positioning point and the mechanical axis of the tibia;Proportion of outliers; | — |
Countries
China
Contacts
Public ContactPengfei Yang
The First Affiliated Hospital of Army Medical University
Outcome results
None listed