PNEUMATIC DILATOR Russian patent published in 1998 - IPC

Abstract RU 2112562 C1

FIELD: otorhinolaringology. SUBSTANCE: pneumatic dilator has hollow tube, cup made of flexible thermoplastic material and air duct. Cup is positioned around tube over its entire length, and it is of dumbbell shape. When inflated, cup takes the form of acoustic meatus. Air duct is fitted with valve arrangement. EFFECT: improved design. 1 dwg

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RU 2 112 562 C1

Authors

Patrin A.F.

Prokop'Ev P.P.

Dates

1998-06-10—Published

1996-04-09—Filed