| 摘要 |
H:/txblntceovcn/NRPortbIDCC/TXB/5624445_.DOC-9/102013 Embodiments of the present invention provide patellar component designs that are optimally shaped to help reduce shear force and accommodate slight implantation error. Further, they help lessen anterior knee pain, particularly during deep-flexion activities and help ease the transition during the range of knee movement in a controlled way. |
