DEVICE FOR NON-INVASIVE SANITATION OF URETERAL STENTS Russian patent published in 2019 - IPC A61L2/00 

FIELD: medicine.

SUBSTANCE: invention refers to urology and aims at reducing salt obstruction of ureteral stents. Device for non-invasive sanitation of ureteral stents comprises an ultrasonic generator consisting of a power rectifier, a filter and a high-frequency inverter with an output transformer, and a piezoceramic emitter with a wave tool, a diode, a double switch and an additional winding of the output transformer, wherein anode of additional diode is connected to one of generator supply buses, and cathode is connected to one of first group of contacts of double switch, other contact of this group is connected to filter output, and common contact is connected to positive power bus of high-frequency inverter, additional winding of output transformer of which through second group of contacts of double switch is connected in series with main switch and through common contact is connected to input of piezoceramic radiator.

EFFECT: use of the invention allows higher effectiveness of non-invasive sanitation of ureteral stents.

1 cl, 2 dwg