DEVICE FOR HEATED GUTTA PERCHA INJECTION INTO DENTAL CANAL Russian patent published in 2017 - IPC A61C5/50 A61C5/55 

FIELD: medicine.

SUBSTANCE: device for heated gutta percha injection into the dental canal includes a housing with a control unit and a retractable stem with a plunger seal at the end, with an autoclaved sterile replaceable nozzle with a casing and interchangeable needles filled with gutta-percha rods mouted inside. Inside the housing, a heating means is located consisting of a metal tube, on the end part of which, on the needle side, there is a heating coil of the heater, electrically isolated from the metal tube by means of a heat-insulating tape, and a temperature sensor. At the end of the tube, there is an integral connecting sleeve, which is permanently connected to it, to fix the heating medium tube inside the casing and to connect it to the housing with a quick connection. The nozzle with the tube is mounted in the housing with a possibility of separation from the housing by means of a quick connection, and in the connecting sleeve of the tube there are through coaxial holes with electric conductors of electrical connections placed therein.

EFFECT: invention allows to reduce the laboriousness of heated gutta percha injection into the dental canal, reduce the laboriousness of nozzle and needle replacement, and provide a possibility to sterilise them.

7 cl, 24 dwg