IMPLANT FOR MAXILLARY SINUS PERFORATION CLOSURE Russian patent published in 2014 - IPC A61C8/00 A61F2/28 

FIELD: medicine.

SUBSTANCE: implant for maxillary sinus perforation closure represents an outer cylinder wherein an internal cylinder is mounted. The outer cylinder is made of BT-5 grade titanium and has a mesh structure with the diameter corresponding to the diameter of a perforated alveolar socket. The inner cylinder is made of BT-5 grade titanium and has a monolithic structure and has an internal conical thread hole for the screw with a retaining ring, two spikes on the side surfaces and a platform with a thread hole in the upper part for screwing in up to the retaining ring. The inner cylinder is vertically dissected into two equal portions to the platform which can be drawn apart with the spikes penetrating into bone walls of the alveolar socket. The length of the inner cylinder makes 2/3 of the length of the outer cylinder.

EFFECT: reducing the extent of the oral tissue injury and the time for dental restoration.

2 cl, 3 dwg