SURGICAL INSTRUMENTS FOR OPERATING INTERIORS OF LARYNX AND PHARYNX Russian patent published in 1994 - IPC

FIELD: medicine. SUBSTANCE: hollow cylindrical body 5 securely mounts handgrip 1 combined with pusher 2 which is linked to flexible rod 3. Knife blades 8 and 9 capable of moving from 0 to 90 deg are disposed at working end 5c. Knife blade 9 is associated with knife blade 8 and flexible rod 3 by movable end piece (end fitting) 7. Working end 5c of cylindrical body 5 and its idle end 5a are stiff and interconnected by means of hinged discrete threaded retainer 5b which is composed of two halves having inner rings which are spaced at 5 deg. Working end 5c has threaded compensator and collet 6. Pusher 2 is linked to handgrip 1 by additional hinge. EFFECT: greater convenience and versatility. 1 cl, 1 dwg