作者: Aldecoa Eduardo Anitua
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摘要: The invention relates to an extraction part (1) that can be used extract implant (5) screwed a bone (6) of patient, including head (2) for receiving the coupling torque-generating system and threaded body (4), preferably decreasing diameter, provided with left-hand thread intended into hole (7) in (5). is relatively simple perform, said being extracted practically clean leaving cavity (13) minimum dimensions patient. As result, enables method much less traumatic