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The Inion S-1™ Biodegradable Anterior Cervical Fusion System
consists of plates and screws made of degradable co-polymers
composed of L-lactic and D-lactic acid. These polymers have a long
history of safe medical use and they degrade in vivo by hydrolysis
into alpha-hydroxy acids that are metabolised by the body. Based
on in vitro testing, the implants retain most of their initial strength
up to 16 weeks and gradually lose their strength thereafter; and
bioresorption takes place within two to four years. The plates and
screws contain radiopaque tantalum markers for postoperative
radiographic i
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