نتایج جستجو برای: polyetheretherketone
تعداد نتایج: 571 فیلتر نتایج به سال:
Objective Surgical treatments for early onset scoliosis (EOS) typically require multiple operations and many complications. A more flexible growing rod construct might result in a more flexible spine with fewer complications. Polymer rods (polyetheretherketone, PEEK) are relatively flexible in bending, and so might allow for greater range of motion (ROM) during treatment. The purpose of this st...
Polyetheretherketone (PEEK) generally exhibits physical and chemical characteristics that prevent osseointegration. To activate the PEEK surface, we applied oxygen and ammonia plasma treatments. These treatments resulted in surface modifications, leading to changes in nanostructure, contact angle, electrochemical properties and protein adhesion in a plasma power and process gas dependent way. T...
Currently, spinal interbody cages are crucial for fusion surgeries. Due to the mechanical and imaging characteristics of polyetheretherketone (PEEK), it is a widely used material cages. However, bioinert PEEK has poor osseointegration, thereby preventing ideal Therefore, efforts have been made improving biological activity using surface modification techniques, including physical as well chemic...
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