| 摘要 |
PROBLEM TO BE SOLVED: To extract a liner from a constraining prosthesis without disabling a lock mechanism. SOLUTION: This extraction device extracts the liner from the acetabular cup. The extraction device includes: a jaw 102; and a handle 106, wherein the jaw 102 cooperates with the liner, having a portion for penetrating into the liner, and the handle 106 is associated with the jaw to grip the extraction device 100. The extraction device 100 includes an actuator 122 used for operating or moving jaw members 118 and 120 to engage with the liner. COPYRIGHT: (C)2007,JPO&INPIT
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