News - What is Knee Joint Replacement?

Do you have people around you like this? Over 50, living with constant knee pain, who are advised by doctors to have a knee replacement but cannot get over the inner fear? They worry about the long-term consequences and major surgical trauma. Today we want to share some knowledge of knee replacement.

What is knee replacement?

Knee joint replacement is a surgical treatment for knee disorders. It restores the normal function of the knee by replacing the damaged parts of the patient’s knee joint with artificial prostheses. Today, this procedure is a highly refined and well-established surgical technique.

Who needs knee replacement surgery?
Severe knee pain: Patients may suffer from intense, persistent knee pain that disrupts daily activities and sleep.
Limited mobility: Knee degeneration can cause joint stiffness and reduced range of motion, making daily tasks such as walking and climbing stairs difficult.
Knee joint degeneration: Degeneration caused by articular cartilage wear and arthritis can lead to obvious bony swelling, joint deformity and other symptoms.

What’s replaced in a knee joint replacement?
Many people fear knee replacement surgery because they mistakenly think the entire knee joint is replaced. In fact, only the damaged articular surfaces are removed and replaced, like changing a “part” of the knee.These damaged parts are replaced with artificial prostheses to restore the knee’s normal function.

What are the materials of knee prosthesis?
Usually, the knee joint prosthesis materials are titanium alloy or stainless steel.

How long could we use the knee joint prosthesis?
The knee prosthesis life is not only depend on the quality, but also the doctor’s skills. More than 50% of patients who undergo knee replacement surgery can use the prosthesis for more than 15 years. After knee replacement surgery, patients also need regular re-examinations to ensure the normal use of the prosthesis.

How long is the recovery period after a knee replacement?
Patients who undergo a knee replacement recover fairly quickly and can usually walk with ambulatory aids two days after surgery. However, it generally takes 6 to 12 months to return to a normal lifestyle.

The components of the knee joint are made of femoral component, tibial component and patella component.

If you want to learn more about the artificial knee joint, please feel free to contact us; our team will provide you with the professional support and answers.

Post time: Feb-05-2026