TRAWL DEVICE FOR EXTRACTION OF FOREIGN BODIES FROM TUBULAR ORGANS Russian patent published in 2013 - IPC A61B17/22 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment, and can be used, in particular, for extraction of stones from ureter or bile ducts. Trawl device for extraction of foreign bodies from tubular organs contains manipulator, on outlet end of which installed is adaptor on whose inlet installed is connecting pipe, connected with device for contrast liquid supply, and on outlet elastic catheter is fixed with one end. Inside case of manipulator and elastic catheter screw and axial branches from shape-memory material are located with possibility of travel along axial guide. First ends of branches are fixed on control sliders of screw and axial branches respectively. Opposite distal ends of branches are fixed in cylindrical tip-bushing, installed outside free end of elastic catheter. Control sliders are located in case with possibility of joint or separate travel and fixation with respect to case axial guide.

EFFECT: reduction of labour consumption of device control and time for carrying out medical manipulations, simplification and increased accuracy of control over performance of manipulations and increased safety of carrying out medical manipulations.

10 cl, 7 dwg