Medical apparatus and equipment for delivering air or oxygen to treat respiratory diseases and conditions; medical apparatus and equipment for the treatment of respiratory diseases and conditions; medical apparatus and equipment for the supply of medical gases.

Fiberoptic test equipment, namely power meters; tabletop non-modular power meters; tabletop modular power meters; portable light emitting diode (LED) source; laser source; hand-held multimode LED source; hand-held singlemode laser source; handheld singlemode pigtailed LED source; hand-held multimode switch-selectable LED source; hand-held singlemode switch-selectable LED source; hand-held singlemode switch-selectable laser source; fiber light source; optical loss test set; automated bi-directional optical loss test set; tabletop non-modular high performance fiberoptic light source; built-in stabilized LED light source; built-in stabilized multimode pigtailed laser source, built-in stabilized multimode pigtailed LED source; built-in stabilized singlemode pigtailed laser source; built-in stabilized multimode switch-selectable dual wavelength LED source; built-in stabilized multimode switch-selectable dual wavelength laser source; built-in stabilized singlemode switch-selectable dual wavelength LED source; built-in stabilized multimode switch-selectable dual wavelength laser source; tabletop modular fiberoptic light source; visual fault locator for singlemode and multimode fibers, live fiber detector, hand-held variable attenuator for creating a calibrated lever of optical attenuation; high resolution variable attenuator for creating a highly accurate calibrated level of optical attenuation; back-reflection test set comprising all necessary computer hardware and software to perform optical return loss measurement; field portable back-reflection test set comprising all necessary computer hardware and software to perform optical return loss; and voice communication set comprised of transmitters and receivers, providing a means to perform communication over fiber for installation crews; optical time domain reflectometer (OTDR) module for multimode fiber; OTDR module for singlemode fibre; high dynamic range OTDR module for singlemode fibre; PC based modular universal test platform allowing three test module; 1x12 optical switch module; mini-OTDR for multimode fiber; mini-OTDR for singlemode fiber; high dynamic range mini- OTDR; PMD analyzer module; multi-wavelength module; optical spectrum analyzer module; ribbon fiber test kits including OTDR module; optical switch module; alignment system and a universal test platform; remote fiber test systems; modular optical test system for industrial and laboratory applications; laser source module; LED source module; ASE source module; tunable laser source module; sing le-or-multi-channel power meter module; attenuator module; optical return loss modules; single- or-multi-wavelength meter module; optical spectrum analyser module; polarization mode dispersion analyser module; polarization controller module; erbium-doped fiber amplifier module; optical time domain reflectometer module; multi-channel optical switch module; tabletop laser source; tabletop LED source; tabletop tunable laser source; tabletop attenuator; tabletop power meter; integrated optical test systems including the above instruments; polarization mode dispersion analyser; refractive index profiler for fiber or components