Skull repair is a very old and classic surgical operation, and now it is also a routine operation in neurosurgery. Skull repair materials are accompanied by skull repair surgery. As early as thousands of years ago, human ancestors were carrying out surgical practice of skull repair. After a long historical development and evolution, skull repair surgery technology has been very mature, and skull repair materials are constantly innovating. At present, there are two main clinical applications: PEEK material and titanium alloy material. So what's the difference between PEEK and titanium alloy in skull repair?

Titanium alloy material is a kind of metal material. Compared with the early materials, titanium alloy materials have some advantages. However, titanium alloy materials still have some problems, such as postoperative infection, rejection, scalp wear, material exposure, collapse deformation, postoperative CT nuclear magnetic examination, sensitivity and discomfort to external cold and hot environment. PEEK material is a new type of special polymer material, and its chemical name is polyetheretherketone. The material has excellent performance, basically equivalent to human skull, good histocompatibility, high hardness, good protective performance and good thermal insulation, and does not affect ct nuclear magnetic resonance examination. Moreover, the material is three-dimensionally shaped, which accurately fits the bone window and does not scratch the scalp, which well solves the above problems that may be caused by titanium alloy materials.

Liu, a native of Hubei Province, realized the defect of titanium alloy material, so he didn't repair the titanium mesh locally, but came all the way to Beijing to find Mu Cangshan, an associate professor of neurosurgery for traumatic cerebrovascular disease in Aviation General Hospital of China Medical University, and asked to repair the PEEK material. After arriving at the hospital, Professor Mu's team collected the three-dimensional data of Xiao Liu's skull after detailed diagnosis and evaluation, designed and reconstructed it accurately, and made a PEEK material repair plate with the same size as 1: 1, which completely fitted the bone window. Then the team performed PEEK skull repair and plastic surgery for Xiao Liu. The postoperative effect is very good. Xiao Liu's head returned to normal appearance, the previous headache symptoms disappeared and his mental state improved. He also said that after repairing the skull, he should study hard and hope to be admitted to a good university.

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