Patients who suffer from severe and persistent knee arthritis pain should undergo knee replacement surgery or arthroplasty. After the final decision to perform knee replacement surgery, the patient goes to the clinic or hospital where the surgery is to be performed for preliminary evaluations. This is done to ensure the patient is adequately prepared for the surgery and also the safety percentage of the operation. For some patients, general anesthesia may be used instead of examining the spinal conditions. The patient is easily prepared for the surgery and transferred to the operating room. and the drapes are drawn over the knee.... To start, the surgeon creates a vertical incision in front of the knee so that he can see the knee joint... Knee pain in Shiraz Then the worn cartilage and the layer of bone that is placed under the cartilage are removed and replaced with metal components (implants). The surgeon uses surfaces to ensure the correct cutting of the bones. At this stage, the surgeon places test implants inside the knee to check the range of motion. Specially, the patient must be fully alert... The full recovery after knee replacement surgery takes six to twelve months... The patient's pain is significantly reduced after six to twelve weeks... He did... At first, the patient will find it difficult to lift the leg off the bed or fully straighten the knee... But this is very normal after the knee replacement surgery... After a few weeks after the surgery, the patient will feel the healing process, usually within two weeks after the surgery... The wound must be completely dry and covered with a Dressing....