1
Elena N Tkatchouk, Tatiana N Tsyganova, Regula Staebler: Apparatus for producing a hypoxic gaseous mixture using hollow fibers of poly-4-methyl-penthene-1. Tradotec, Emmanuel Lobata, January 24, 1995: US05383448 (23 worldwide citation)

Apparatus for producing a hypoxic gas mixture having a higher nitrogen-to-oxygen ratio than atmospheric air has a diaphragm compressor feeding air under pressure to an oxygen-depleting unit having a perforate tube extending axially of a cylindrical chamber having an outlet in one side. The annular s ...


2
Elena N Tkatchouk, Tatiana N Tsyganova, Regula Staebler: Ergometric device. Tradotec, Robert E Burns, Emmanuel J Lobato, May 4, 1993: US05207623 (13 worldwide citation)

The ergometric device has an ergometric stationary bicycle exerciser, a hypoxic gas generator, a mask, and a flexible hose connecting the generator to the mask. The user of the device sits on the saddle of the exerciser, and produces his effort by inhaling, through the mask, the hypoxic mixture. His ...