1. A device for the gall bladder catheterization, comprising a flexible tube with drainage openings at the distal end, characterized in that it further comprises a filament and two holes, one end of the filament is secured in the first opening at the distal end of the tube and placed outside, and the other end of the thread is omitted through the second hole inside the elastic tube and discharged through its praksimalny konets.2. The apparatus according to claim 1, characterized in that the distance from the distal end of the tube to the hole, wherein the thread is attached is of the L, defined by the expression: L = (3 ... 5) d, where d- diameter of the elastic tube (catheter ), and the distance from the site of attachment of the filament to the hole through which the thread inserted inside the elastic tube, is of the L, defined by the expression: L = π (Dd), where π = 3,13; d- diameter of the elastic tube (catheter); D - ring diameter of the distal end of the elastic tube of 30 ... 35 mm.3. The apparatus according to claim 1, characterized in that the holes for fastening the thread at the distal end of the tube and the yarn entering the lumen of the elastic tube formed diametrically opposite.
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