FIELD: medical engineering.
SUBSTANCE: device has polymer base having conic distal end, cylindrical and conic part. The distal area is designed as movable cap. The cap has end piece having alternating short and long leaflets connected to each other with cross-pieces on proximal sides and arranged with their edges on conic part far from the cylindrical part. The short leaflets are reposable to axial line. Transverse canal is available in the end piece along diameter line. Axial spring coils is fastened around the end piece with its opposite end fixed in the conic part.
EFFECT: enhanced effectiveness of treatment.
2 cl, 2 dwg
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