ФИХТЕР Майнрад (CH),МАГЕРЛЬ Фридрих (CH),ВИЛИНГ Роналд (CH)
申请号:
RU2014115686/14
公开号:
RU2014115686A
申请日:
2014.04.21
申请国别(地区):
RU
年份:
2015
代理人:
摘要:
1. Bone screw comprising a rod (15) which has a sharpened tip (13), the axis of which coincides with the longitudinal axis (27) and a screw which is fixed in the bone or in bone fragment, and a head (14) of the screw, which is fixed on the rod (15) of the screw and is provided with means (6) for receiving a tool, wherein the rod (15) of the screw is made of plastic material substantially transparent with respect to X-rays, and at least where there is a first component that receives the load in the first zone, (5, 24) and in the second zone, the stress, there is Mo Ora component (9), wherein the first zone, the stress and the second zone, the stress is made of metal or plastic, wherein said first component (5, 24) and a second component (9) each made of a material different from the material core (3, 30) forming the base of the rod (15) of the screw, said first component (5, 24) is placed on the head (14) of the screw, and said second component (9) is arranged in the region between head (14) of the screw and a sharpened a tip (7) to enhance shear resistance in said zone.2. Screw according to Claim. 1, characterized in that said first zone that receives the load, and said second area, the stress, both made of polyetheretherketone (PEEK) .3. Screw according to Claim. 1, characterized in that said first component (5, 24) and / or the second component (9) has the shape vtulki.4. Screw according to Claim. 3, characterized in that said second component (9) has a sleeve shape, wherein the core (3, 30) comprises a peripheral surface (17) and a second component (9) is arranged flush with said peripheral surface (17). 5. Screw according to any one of claims 1-4, wherein1. Костный винт, содержащий стержень (15), который имеет заостренный кончик (13), ось которого совпадает с продольной осью (27) винта и который закрепляется в кости или во фрагменте кости, и головку (14) винта, которая закреплена на стержне (15) винта и снабжена средством (6) для приема инструмента, причем стерж