CATHETER Russian patent published in 1994 - IPC

FIELD: medical engineering. SUBSTANCE: catheter has a flexible tube in which working part a flexible tab-shaped catcher is formed, the tabs are made for radial movement apart of the tube axis and have a moving apart device. No less than two longitudinal wall slots forming tabs on the tube end are made in the working part beginning from the end of the tube along the axis. Each tab has a thread on the inner side passed for movement through the tube wall below the tab base from outside into tube channel. In the nonworking part of the tube the end of the thread is brought out for movement through the tube wall from the channel outside the tube. The catheter has a tab radial position lock made on the threads in the form of a limiter of movement through the tube wall. EFFECT: improved reliability and efficiency. 14 cl, 10 dwg