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Andhra Pradesh - Vijayawada Printer Friendly Page   Send this Article to a Friend

Advanced knee joint implant launched at Manipal hospital

Special Correspondent

It offers a high level of bone preservation, says surgeon


Sigma CR-150 allows recipient to sit cross-legged

Unlike previous designs, the new implant lasts longer




Jagadeesh Nallamothu, consultant joint replacement surgeon at Manipal hospital, demonstrating the working of Sigma CR-150 at a press conference in Vijayawada on Tuesday.

VIJAYAWADA: Sigma CR-150, a fourth generation knee joint implant, was launched at Manipal Super Speciality Hospital here on Tuesday.

Hospital's joint replacement surgeon Nallamothu Jagadeesh said that Sigma CR-150 was the “most advanced design available in the world and it offers a high level of bone preservation, retaining most of the vital natural bone, tissue and ligaments.”

In the earlier models, the Posterior Cruciate Ligament had to be cut, but with the Sigma CR-150 this was not needed, he said. With the CR-150, it was possible for the recipient to sit cross-legged on the floor for prayers and to perform other similar functions. Like the normal knee joint, CR-150 could also bend 150 degrees. The earlier knee joint implants allowed the recipients to bend the knee joint by 120 degrees only. In the western countries, recipients of CR-150 were able to indulge in activities like skiing, sailing, cycling and mountaineering, he said.

Dr. Jagadeesh said that while the previous designs lasted for not more than 15 years, the fourth generation implants like CR-150 were able to take the wear and tear for longer. Cross linked poly inserts and highly polished cobalt chrome tibia bone plates reduced the wear and tear by 89 per cent, making the joint more efficient and long lasting.

Cost

The cost of surgery to make the implant would be between Rs. 1.60 lakh and Rs. 2 lakh, Dr. Jagaeesh said.

Manipal Super Speciality Hospital marketing head C. L. N. Reddy said that over 500 knee replacement surgeries had been performed by the orthopaedic department of the hospital. The hospital was the first to launch CR – 150 in coastal Andhra Pradesh, he claimed.

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