The Principle of compression type internal anchor is introduced, the process and result of the test of internal anchor are fully explained. Its advantages and prospects of application are pointed out.
介绍了压缩式内锚结构的原理，详述了内锚头的试验过程和试验结果，指出了压缩式内锚结构的优点及应用前景。
Conclusion Solid-compression process could obtain high initial and retention strength PLLA which could fit for the general bone internal fixation.
结论：固态压缩法可获得高初始强度和维持强度的PLLA，满足一般的骨内固定要求。
Conclusion Solid-compression process could obtain high initial and retention strength PLLA which could fit for the general bone internal fixation.
结论：固态压缩法可获得高初始强度和维持强度的PLLA，满足一般的骨内固定要求。
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