Advantages and disadvantages of PS knee joint prosthesis

Advantages and disadvantages of PS knee joint prosthesis

At present, the technology of knee arthroplasty is mature, but no artificial prosthesis can match the natural knee joint. The primary knee arthroplasty in clinical use more PS, CR two types of prosthesis, today we will talk about the advantages and disadvantages of PS prosthesis. 

First of all, PS prosthesis is also known as "posterior cruciate ligament (PCL) replacement prosthesis", which means that the posterior cruciate ligament (PCL) is removed during surgery and its function is replaced by prosthesis. 

What are the advantages of PS prosthesis?

1. Operation is relatively simple, learning curve is relatively easy, suitable for beginners

2. It has wide application range and strong ability to correct deformity 

   

3. It is suitable for most revision operations
   

Therefore, for severe primary knee arthroplasty and revision surgery, doctors will basically choose PS 

What are the disadvantages of PS prosthesis?

1. After anterior and posterior cruciate ligament resection, knee proprioception was lost.

2. After anterior and posterior cruciate ligament resection, the femoral intercondylar fossa lost a certain amount of bone

3. Patellofemoral impingement syndrome and dislocation of knee joint were reported.

   
   

However, in the long-term clinical follow-up, there was no significant statistical difference between PS and CR prosthesis.

Although there is no ACL and PCL anatomical structure, because of the great success in the early stage, the modern artificial joint is still improved on the basis of PS and CR in order to obtain a knee joint closer to the normal anatomical structure.