FIELD: medicine.
SUBSTANCE: invention relates to medicine, namely, to surgery, is applied in percutaneous puncture and drainage interventions in the treatment of various parapancreatic lesions in patients with acute destructive pancreatitis. Apparatus for expanding a trocar access includes an X-shaped spreader and a two-part socket. The socket has a tapering end and an outer screw thread. The handles of the X-shaped spreader are fixed in a set position by a threaded axle with an inner hex nut and an outer hex nut with a corrugated flange.
EFFECT: invention can be used in the process of timely replacement of cavitary lesion drains with ones of a larger diameter, creating the conditions for transfistulous retroperitoneoscopy with instrumental sequestrectomy.
1 cl, 1 dwg
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