In aseptic necrosis of femoral head endoprosthetic joint decision as to accept without delay the case indefinitely, as necrosis develops rapidly and gives the patient a lot of suffering. What you need to know about the hip joint: 1. What are the implants themselves: Cement and cement-free implants. With regard to depression (it acetabulum) are absolutely clear: it must be bestsemntnoy. If you were offered cemented acetabular component – run from this "podiatrist"! Time has passed forever cemented kolpochkov, in some centers already like 20 years and even more so. In on foot of the prosthesis can say pretty much the same: cementless prosthesis stem is in the best clinics in Germany for more than dolgostoykoy, though there are a couple of "buts", such as osteoporosis and age over 73 years.
It is better to consult your podiatrist, but the trend: "cementless hip." 2.Material implant. Nickel. Here I do not want to overload you with information: all the implants are made of Western good brands. But if you ever noticed in myself are allergic to metal (eg, bracelet, etc.), then report back to the professor. Then the choice falls on titanizirovannye implants. If you decide to do this operation and you have doubts about allergies to metal make the appropriate test. The main and the main theme of specialization are the replacement hospital and knee and hip replacement surgery tech knee and hip joints. Metal or ceramic or polyethylene.
Here is a question of so-called "friction pairs" Artificial hip joint. It consists of a head implantatea worn over the cone legs and insert the cups. Endorpoteza head may consist of ceramic or metal. The liner may consist of a ceramic material. Do not overload your details tell the best pair of friction for patients older than 77 years is "Ceramic-ceramic". Its main advantage is that virtually no pottery wears. And it was the attrition gradually destroying the bone, causing a loosening of the implant and thus the pain and the need for new operation. Disadvantages of polyethylene – has already indicated at the top of abrasion flaws pair of metal-metal – insufficient time to market, just under discussion, that the particles of the metal, getting into the bloodstream, causing damage to the kidneys and cause allergic reactions. Thus, the tendency to "cementless hip joint with a ceramic FRICTION COUPLE"