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Orthopaedic surgical instrument for positioning a tibial cutting guide
Orthopaedic surgical instrument for positioning a tibial cutting guide
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机译:用于定位胫骨切割导向器的骨科手术器械
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摘要
The invention relates to an orthopaedic surgical instrument (1) for positioning a tibial cutting guide (2) including:at least a medial or a lateral cutting guide (3) and a vertical cutting guide (4) formed in a guide body (10);an arm or beam (11) supporting said guide body (10);a supporting rod (8) having a proximal end (18) coupled to said guide body (10) through said arm or beam (11). The arm (11) has a structure that is supported in a rotably and cantilever manner at the proximal end (18) of said rod (8);a locking mechanism (20) is provided in the proximity of said proximal end (18) for locking the arm (11) in a desired position; anda bistable mechanical switch (9) is active in said locking mechanism (20) for manually activating the locking position.;In other words, the arm (11) has one end (17) hinged to the proximal end (18) of the supporting rod (8) between a terminal stopper (37) and a compressing element (31) slidably mounted in the proximity of said proximal end (18) and pushed toward the proximal direction by said bistable mechanical switch (9) of the locking mechanism (20).
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