Distal tibiofibular bionic fixing system
A fixing system and fixing sleeve technology, applied in the field of medical devices, can solve problems such as inconvenient use, easy skin irritation, and fixation failure, and achieve the effects of reducing costs, improving therapeutic effects, and adjusting tension conveniently
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Embodiment 1
[0035] Please check Figure 1 to Figure 8 , the lower tibiofibular bionic fixation system, including a fixation mechanism at the end of the fibula, a bolt 2, a fastening cable 3 and a locking nut 4 on the tibial side, the fixing mechanism includes a baffle 1, and the fastening cable 3 is connected between the baffle 1 and the tibial side. Between the bolts 2, the lock nut 4 is screwed on the bolt 2. The outer periphery of the bolt 2 is recessed with a plurality of breaking grooves 21 arranged at intervals along the axis of the bolt and in a ring structure. The breaking groove 21 is from the notch to the groove. The width of the bottom is gradually reduced, such as a tapered or trapezoidal structure, so that the bolts can be easily broken; multiple breaking grooves 21 are provided, so that they can be broken at different positions during the operation, so that one system can be adapted to different patients and reduce costs , improve the therapeutic effect. The fastening cord ...
Embodiment 2
[0039] Please check Figure 9 to Figure 15 , it differs from Embodiment 1 in that: the fixing mechanism includes a fixing sleeve 51 and a fibula plate 52; the fixing sleeve 51 includes a connecting sleeve 511 and an enlarged cover formed by extending backward from the rear peripheral edge of the connecting sleeve 511. 512, the expansion cover 512 is fixed with a fixed pin 513; the fibula plate 52 can be attached to the distal end of the fibula and has a mounting hole 521 arranged through it, and the connecting sleeve 511 of the fixing sleeve 51 is inserted into the mounting hole 521 from back to front, The enlarged cover 512 and the fibula plate 52 push against each other, and the mounting hole is provided with a stepped hole as required, and the enlarged cover is adapted to be connected to the large hole section of the stepped hole; the rear part of the fastening cable 3 is installed in the fixed sleeve 51 And the two ends of the rear pass through both sides of the fixed pin ...
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