DEVICE FOR ADMINISTERING BONE-PLASTIC MATERIAL Russian patent published in 2016 - IPC A61B17/56 

FIELD: medicine.

SUBSTANCE: invention can be used for introduction of bone-plastic materials during replacement of bone defects arising as a result of fractures of vertebral bodies. Device is made demountable and contains a funnel, a guide and a pusher. Guide in its upper part has thread for screwing on of the funnel, and a handle, which, with the help of a bushing and a screw is attached to the guide providing for a possibility to move it to the specified level. In the guide there is installed a pusher which extends for 5 mm beyond the lower edge of the guide. Guide on the lower end is equipped with a threaded section, the thread pitch is 2.5-3 mm.

EFFECT: invention provides for reliable fixation of a position in the wound, since removal of the device is only possible after its “unscrewing”; the invention also excludes the possibility of sliding and injuries of vertebral body due to formation in the channel of the vertebral body of inner thread, which enables further introduction of pedicle screws by a minimally invasive method without additional efforts and complications.

1 cl, 1 dwg