High-flex knee prosthesis
It is suitable for active patients or those whose lifestyle requires full squatting or kneeling for prayer, as this type of knee prosthesis allows a flexion angle of up to 155 degrees. It is specifically designed to provide greater flexibility.
Case Definition
This is an advanced type of knee prosthesis used in cases of severe osteoarthritis. It is designed to provide a flexion angle of up to 155 degrees, enabling patients to perform activities that require high flexibility, such as full squatting, kneeling for prayer, or sitting on the floor. It is ideal for active patients who wish to maintain a natural lifestyle after surgery.
Symptoms:
- Chronic and severe knee pain when bending
- Difficulty performing daily activities such as prayer or climbing stairs
- Joint stiffness and inability to bend the knee flexibly
- Limited range of motion in the knee
- Overall reduced quality of life due to pain and stiffness
Diagnosis:
- Thorough clinical examination of knee movement
- X-rays to assess the degree of osteoarthritis or joint wear
- Sometimes an MRI is requested to evaluate soft tissues
- Comprehensive assessment of the patient’s lifestyle and mobility needs
Treatment Methods:
- Initially: pain medications, physical therapy, and local injections
- If conservative treatments fail: implantation of a high-flex knee prosthesis, specially designed to provide greater flexibility and a wider range of motion compared to a standard prosthesis
When is surgery necessary?
- If the patient suffers from advanced osteoarthritis unresponsive to conservative treatment
- When there is a clear mobility need, such as sitting on the floor, kneeling, or prayer
- If the old prosthesis fails to provide the required flexibility
- For active patients or those whose work or religious practices require significant knee movement
Patient Education After High-Flex Knee Replacement Surgery:
- The high-flex prosthesis allows you to return to activities that require knee bending after the recovery period
- It is recommended to follow the specific physical therapy program, which helps achieve the maximum possible flexion
- Avoid attempting full bending during the first weeks to ensure prosthesis stability and tissue safety
- Patients may initially feel tightness or resistance during movement, but this improves over time with exercises
Frequently Asked Questions About High-Flex Knee Replacement
We fully understand the importance of having all the necessary information to make informed decisions about your health. That’s why we have compiled the most frequently asked questions about joint replacement surgery and provided clear and reliable answers. We hope this section helps you better understand the procedure.
It is most suitable for individuals who require greater flexibility after surgery. In standard cases, it may not be necessary.
In most cases, after 8–12 weeks with adherence to physical therapy.
No, it is specifically designed to withstand increased movement, provided it is used correctly and followed up regularly.
No, it is recommended for active patients who do not have chronic stiffness or severe weakness in the surrounding muscles.
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