Шатохин Владимир Дмитриевич (RU),Маменков Андрей Сергеевич (RU),Шевцов Владимир Иванович (RU)
申请号：
RU2014116345/14
公开号：
RU00153364U1
申请日:
2014.04.22
申请国别(地区):
RU
年份:
2015
代理人:
摘要：
The invention relates to medical devices used in traumatology and exactly to orthopedic devices for surgical treatment of bone fractures and for fixing the implant in the substitution of bone defects in inflammatory and neoplastic processes, particularly to expandable intramedullary devices. Intramedullary blocking device for osteosynthesis includes a tubular shaft, flexible locking members, and the drive sleeve in the form of an elongated threaded member. Flexible elements for locking in the form of spokes, are connected at their ends to the upper and lower bushings, which are also linked by an actuator. The actuator is movable longitudinally relative to the flexible elements, causing the flexible members move from a retracted state to an expanded state. The upper and lower bushings, the flexible elements and actuator together form a locking unit, which is mounted within the tubular rod for slidable movement within the rod sleeves. The drive has a region provided with a thread which is screwed into the lower bushing and the upper bushing makes move axially, forcing the resilient elements in the form of spokes to move between the collapsed and expanded states. The tubular shaft has portions with the continuous wall portions and with elongated holes in the axial direction, formed therein to enable the expansion of the flexible elements and to provide the required flexibility. The tubular shaft may life has two and / or more fixing blocks. 1 bp f-ly, ZP 3 f ly-5-yl.Изобретение относится к медицинской технике, применяемой в травматологии, а именно к ортопедическим устройствам для хирургического лечения переломов костей и для фиксации имплантатов при замещении дефектов костей при воспалительных и опухолевых процессах, конкретно к расширяемым интрамедуллярным устройствам. Интрамедуллярное устройство с блокированием для остеосинтеза включает в себя трубчатый стержень, гибкие фиксирующие элементы, втулки и привод в виде удлиненного элемента с резьбой. Гибкие элементы для б
