FIELD: medical engineering.
SUBSTANCE: device has handle and cylindrical casing having an opening and cutting edge at its end. Lateral opening is available in the casing connected to end opening with widening end. The widening canal is bent at an angle of 110-120°. End face opening is 1.1-1.3 times as small as the lateral canal opening. The cutting edge has unilateral external grinding. Movable and fixable restrictor member is available on casing surface.
EFFECT: enhanced effectiveness of treatment; reduced risk of traumatic vertebral column injuries.
2 cl, 2 dwg
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