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S.T.A.R.® Ankle System

What Should I know about Ankle Replacement?

Replacement of the ankle joint with an artificial implant is designed to treat painful conditions of the ankle, such as arthritis. Arthritis is a condition that can take many forms. Your surgeon may have used a different name to describe it. At this time, your ankle does not work properly and is causing you pain. Sometimes, arthritis can be treated without surgery. For example, patients can take pain medicine, or other medicine(s) to treat arthritis and/or using a brace. However, if these types of treatments do not relieve your pin, surgery may be an option.

S.T.A.R. Ankle ReplacementYour surgeon has asked you to consider the replacement of you ankle joint with an artifical implant called the "S.T.A.R.® Ankle." S.T.A.R.® stands for "Scandinavian Total Ankle Replacement." A well known surgeon in Scandinavia designed this device. "Total" means that your entire ankle joint will be replaced. The purpose of total ankle replacement surgery is to help relieve the pain in your ankle, while still allowing you to move your ankle.

 

What is the S.T.A.R.® Ankle System and How is it implanted?

The S.T.A.R.® Ankle is made up of three parts. The first part covers the lower bone of the ankle joint, a bone called the talus bone. The second part covers the very bottom of your "shin bone". This is the long bone that runs from the very bottom of your knee to the top of your ankle. This bone is also called the tibia bone. Both of these parts that cover your bone are made of a metal called cobalt chromium alloy. These parts are coated with another metal, pure titanium, in the places where they actually touch your bone. The third part of the S.T.A.R.® Ankle is called a Mobile Bearing and is placed in between the two metal parts. This part is made out of medical grade plastic called polyethylene. The plastic piece is designed to move in between the metal parts as you move your ankle.

The materials that the S.T.A.R.® Ankle is made of have been used in artificial hips and knees for many years. They have shown to be extremely well accepted by the body.

S.T.A.R. Materials

The S.T.A.R.® Ankle procedure requires the surgeon to make a cut along the front of the ankle to open the ankle joint. Approximately 3/8" of bone is then removed from the ankle joint to make space for the metal and medical grade plastic parts described previously. Unlike other ankle replacement systems, the S.T.A.R.® Ankle does not require the use of bone cement. The surgeon then shapes the bones of your ankle so the S.T.A.R.® Ankle replacement will fit in place.

For what conditions is S.T.A.R.® Approved (Indications for Use)?

The Scandinavian Total Ankle Replacement (S.T.A.R.® Ankle) is indicated for use as a non-cemented implant to replace a painful arthritic ankle joint due to osteoarthritis, post-traumatic arthritis or rheumatoid arthritis.


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