HT City

A knee implant to reduce chances of revision surgery

- The author of this article is Dr Aashish Chaudhry, managing director and HOD, orthopaedi­cs and joint replacemen­t, Aakash Healthcare Super Speciality Hospital, Dwarka

Advancemen­ts in the quality of the implants used in the field of joint replacemen­t have witnessed tremendous progress. It is a boon for patients who have become severely disabled due to knee arthritis. Experts are embracing minimal invasive approach, which leads to faster recovery and a quicker return to normal life. Besides discussing the knee implant type to be used, we consider several other aspects before recommendi­ng an implant to our patients, such as the degree of motion supported, the type of metal alloy and cost. Another important aspect of any knee implant is about its durability. Earlier, patients waited longer before deciding on surgery, since the life expectancy of artificial knees was 10-15 years. As time passes, the implant undergoes the normal wear and tear caused by various kinds of stresses on the joint. This results in leakage of metal debris into the joint area, requiring a revision surgery. But with the advent of Oxinium, a knee implant, patients can expect almost 30 years of pain-free mobility. It has been tested and approved by USFDA.

Surgeons opine that it has potential to become the preferred implant of the younger generation requiring a total knee replacemen­t. My patients find the feeling of having this joint equivalent to being normal.

Oxinium is oxidised Zirconium. This metal alloy has a combinatio­n of hardness, smoothness and scratch-resistance. The ceramic surface of Oxinium is two times harder and two times more scratch-resistant than cobalt-chrome alloys.

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