RESPIRATORY EXERCISER Russian patent published in 2005 - IPC

FIELD: medicine, in particular, exercising of respiratory organs in moderate hypoxia and hypercapnia mode with adjustable resistance to inhalation and expiration.

SUBSTANCE: respiratory exerciser has cylindrical mixing chamber with narrowed upper part, respiratory pipe connected to cylindrical mixing chamber, and bottom with perforations provided in its peripheral portion. Bottom of cylindrical chamber is made doubled. Members of porous material having predetermined density are located within bottom cavity. Central part of bottom is equipped with channel provided within cylindrical chamber and communicating with atmosphere. Inhalation indicator provided within channel is made in the form of movable piston member. Respiratory pipe is equipped with acoustic expiration indicator made in the form of unidirectional resonance whistle. Bottom inner cavity may be provided with additional replaceable loading inserts formed as film disks with openings having predetermined area and flexible loop attached to upper part of cylindrical chamber and having adjustable length.

EFFECT: reduced restrictions in orientation and fixing of exerciser position during usage and provision for indicating quality of expiration cycle.

3 cl, 2 dwg