Biological type low-incisura intramedullary nail fixing tail cap
A low-profile, intramedullary nailing technology, applied in the direction of internal fixator, fixator, internal bone synthesis, etc., can solve the problems of too large and too small intramedullary nail density, reduce irritation, short learning curve, Easy-to-use effects
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[0036] Example 1
[0037] Such as figure 1 , figure 2 As shown, after the fixed tail cap is screwed into the center hole at the top of the main nail, the height H of the exposed part of the tail cap head 1 can be used as a supplement to the length of the main nail. The trapezoidal cylindrical head design can achieve the maximum range of contact with the physiological tibia. Serve as Figure 5 The installation position is shown. The threaded rod area is installed in the main nail of the tibial intramedullary nail. The schematic diagram of the main nail of the tibial intramedullary nail is omitted here. The design concept of the biological low-notch intramedullary nail fixed tail cap released in this invention patent It can effectively avoid the irritation of the patellar ligament and surrounding soft tissues by the edge of the tail cap.
[0038] In this embodiment, the threaded part 2-1 is connected to the main nail of the intramedullary nail, and the lead-in part 2-2 plays a role ...
Example Embodiment
[0041] Example 2
[0042] Such as image 3 , Figure 4 As shown, after the fixed tail cap is screwed into the center hole at the top of the main nail, the height H of the exposed part of the tail cap head 1 can be used as a supplement to the length of the main nail. The hemispherical head design can achieve the largest range of physiological femur and humeral surfaces. Post service ( Image 6 ), to avoid irritation to surrounding ligaments and surrounding soft tissues, and to realize the inventive concept of biological low-notch. The threaded part 2-1 connects with the main nail of the intramedullary nail, and the lead-in part 2-2 plays a role in correcting the thread installation direction to prevent wrong teeth. The screwing mechanism 4 The connection area between the fixed tail cap and the special surgical tool is mainly used Rotating and screwing in, the structure can be designed as a hexagonal, quincunx and other multi-faceted counterbore, holding structure 6 This mechanism ...
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