Fixing device, fixing method and application method for reconstruction of cruciate ligaments
A fixation device and technology for cruciate ligaments, applied in ligaments, medical science, muscles, etc., can solve the problems that the inner and outer axes of the screwing path cannot be guaranteed to be aligned, the extrusion pressure of the expansion sleeve is biased, and the expansion can not be smoothly expanded, etc., to achieve good results. Immobilization effect, promotion of easy installation, and postoperative recovery effect
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[0049] Such as Figure 1 to Figure 6 As shown, this embodiment discloses a fixation device for cruciate ligament reconstruction, which includes a driven nail 10 and an expansion nail sleeve 20. One end of the expansion nail sleeve 20 is nail-shaped, and the other end is an opening. The expansion nail sleeve The casing 21 of 20 is tubular, and the outer peripheral side of the casing 21 protrudes radially outward to form a plurality of rings 22 parallel to each other.
[0050] In the unexpanded state, the sleeve body 21 of the present embodiment is as Figure 7 with Figure 8 As shown, four axially extending grooves 23 are formed on its outer peripheral surface radially inwardly, and ligament bundles are realized through the grooves 23 .
[0051] In the expanded state, the driving nail 10 of this embodiment is as Figure 3 to Figure 6 As shown, it is inserted and fixed in the sleeve body 21 through the opening, and the groove 23 is pressed radially outward under the action of...
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