Surgery For Knee Cap Dislocation



The patella lies in a groove in the front side of the knee. The patella moves up and down the groove as the knee bends and straightens respectively.

But at times, due to an injury or a hard fall, the patella might slide to the side to a large extent. This results in Patellar instability or patellar dislocation.

Diagnosis of Patellar Instability:

Clinical examination mostly clinches the diagnosis. However an x ray would be necessary to confirm it. MRI scanning may be necessary in relevant cases to rule out additional injuries.


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Treatment of Patellar Instability:

Usually a first time straight forward knee cap dislocation does not need surgery. The surgeon reduces the dislocation after giving pain medication with or without anaesthesia.

After getting the knee cap into anatomical position a plaster is applied to the leg and left for 3 to 6 weeks depending on the severity of the injury.

After the treatment normal activities are started gradually, with strengthening of specific group of muscles to prevent recurrence.


But if the Knee cap dislocates again and again then probably surgical reconstruction of the ligaments will rectify the problem. Most of the times the MPLF (Medial Patello-Femoral Ligament) is torn and it has to be reconstructed by using patients own ligaments.

After a period of rest and physiotherapy patients can lead an active and normal life without any restriction of activity.

For further more details, contact Dr.Raj Kanna has a best experience in Knee cap dislocation surgery of affordable cost in Chennai.