9 Ağustos 2010 Pazartesi

Biodegradable bone screw cuts down need for surgery

From the left: interferential  screws made of polylactic acid, hydroxylapatite and medical ...
Knee ligament damage is an injury all to common to sportsmen and women. The solution usually involves replacing the torn ligament with a piece of tendon from the leg, which is fixed to the bone by means of a titanium or stainless steel screw. Unfortunately, after a certain time another surgery is required to remove them. Now researchers have developed a screw that is bio-compatible and also biodegradable over time, making this second surgery unnecessary

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