FIELD: medical engineering.
SUBSTANCE: device has two parts having symmetrical handles. The parts are joined. One of parts ends in branch having cylindrical contact tongue member. The second one ends in branch having contact frame elongated in longitudinal direction. The tongue member has polygonal cross-section hole. Hole cross-section area is greater than cylindrical tongue contour area by 15-20%.
EFFECT: improved fixation conditions; excluded slipping of curved septum part between the branches.
2 cl, 3 dwg
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