FIELD: medical engineering; surgery. SUBSTANCE: infusion-drain X-ray contrast device with rigidly fixed internal end meant for diffusion and draining of hollow organs and narrow cavities has locking fixture on inner end of case and monolithic branch of case passing inside it and throughout entire case flexible monoactive electrode which is in direct contact with water-absorbing or water- repelling cored thread carrying non-injuring needle on active end and rigidly fixed with monolithic branch of case of locking-thread passive end. Rigidly fixed internal end is removed in due time by means of non-injuring needle and surgical thread. EFFECT: provision for eliminating injury upon removal of device. 2 dwg
