A New Multifunctional Bone Plate and Its Application
A kind of bone plate, multi-functional technology, applied in the direction of outer plate, internal bone synthesis, medical science, etc., can solve the problems of tissue mechanical properties mismatch, strength reduction and healing delay, stress shielding effect, etc., to reduce stress shielding effect, reduce mold The effect of avoiding stress shielding
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Embodiment 1
[0030] Such as figure 1 As shown, the multifunctional bone plate of the present invention is a miniature bone plate with a thickness of 1 mm, a width of 5 mm, and a length of 25 mm. There are 4 nail holes 1 on the plate surface, and 3 through holes 2 penetrating the inside of the bone plate. The diameter of the through holes is 0.5mm, and the distance between the hole walls is about 0.5mm. The existence of the through hole inside the bone plate reduces the cross-sectional area of the bone plate by 15.7%, which can effectively reduce the stress shielding effect. At the same time, the through hole is filled with filler 3, which is Qing A mixture of damycin and starch that imparts antibacterial and anti-inflammatory properties to the bone plate.
Embodiment 2
[0032] Such as figure 2 As shown, the multifunctional bone plate of the present invention is a small bone plate with a thickness of 2 mm, a width of 6 mm, and a length of 30 mm. There are four nail holes 1 on the plate surface, and two through holes 2 penetrate through the bone plate inside. The diameter of the through holes is 1mm, and the distance between the hole walls is about 1.5mm. The existence of through holes inside the bone plate reduces the cross-sectional area of the bone plate by 12.1%, which can effectively reduce the stress shielding effect. At the same time, the through holes are filled with fillers 3, which are collagen and A mixture of hydroxyapatite powders that provide nutrients for fracture repair through the slow degradation of collagen and hydroxyapatite, giving bone plates multifunctional properties.
Embodiment 3
[0034] Such as image 3As shown, the multifunctional bone plate of the present invention is a T-shaped bone plate with a thickness of 5 mm, a width of 16 mm, and a length of 200 mm. There are at least 10 nail holes 1 on the plate surface, and 10 through holes 2 penetrating through the bone plate are arranged in the form of 2 rows, the diameter of the through hole is 1mm, the distance between the inner hole walls of each row is about 1mm, the hole wall distance between the two rows of through holes is 0.5mm, there are 2 through holes running through the top of the bone plate, the diameter of the through hole is 3mm, The spacing is 2mm. The existence of through holes inside the bone plate reduces the cross-sectional area of the bone plate by 9.8%-17.6%, which can effectively reduce the stress shielding effect. The slow degradation of the alloy wire provides magnesium ions and calcium ions for fracture repair, promotes fracture healing, and endows the bone plate with multifunc...
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