Oxygen cylinders which can be filled at home are changing the lives of American oxygen dependent patients.
The HomeFill II oxygen system has been introduced by the Invacare Corporation which says the lifestyles of patients using it have been dramatically improved.
Heavy, cumbersome tanks are replaced by small, lightweight cylinders which patients can fill themselves from a continuous supply of oxygen they produce themselves and take anywhere with them.
Previously people had difficulties leaving their homes because of the size and weight of the tanks and also because of worry about running out of oxygen before their next delivery.
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