Fixed-bearing tibial bearing

1. Cast cobalt-chrome-molybdenum alloy; 2. Fixed type and rotary type, meeting the needs of different patients and doctors; 3. The lower part of tibia bracket is designed with thin wings, which can reduce bone loss of medullary cavity; 4. The mating surface of the meniscus is highly polished to effectively reduce fretting wear; 5. A 2:1 specification matching design was adopted between the meniscus to reduce the size of the meniscus and facilitate the operation.