Device for extraction of stones from kidneys and ureter

摘要

A device for extraction of stones from urinary tracts comprises an elastic pipe with an inflatable dome-form head, the inner surface of which is completely and the outer surface partially corrugated symmetrically. A pressure supply channel (3) made in the pipe (1) wall is connected with the head (2). Besides the device is provided with a transparent pipe (5) having a longitudinal partition. One part (6) of said pipe is connected with the pressure supply channel (3), and the other part (7), which has an inlet branch-pipe with a clamp (8) for preserving the pressure in the system, is connected with a pipe hollowness (10). The device can be used in medicine, urology.