Title:
OXYGEN CONCENTRATOR FOR MEDICAL USE
Document Type and Number:
Japanese Patent JP2004261223
Kind Code:
A
Abstract:
To provide a pressure change absorptive type oxygen concentrator to be used for home oxygen therapy with reliability in a device to guarantee a low failure occurrence rate, and with stability in absorptive performance to guarantee stable oxygen concentration performance for a long term.
The pressure change type oxygen concentrator includes: at least one adsorptive cylinder filled with an absorbing agent to selectively absorb nitrogen more than oxygen; and an air compressor for supplying air by pressure or discharging air by depressurization to/from the adsorptive cylinder. The concentrator is provided with a non-woven filter for collecting seal material wear powder, between the adsorptive cylinder and the air passage of the air compressor.
Inventors:
NISHIMURA KENJI
MAGARI TAIZO
MOTOKI TOSHIO
KOBAYASHI HIDEKI
MAGARI TAIZO
MOTOKI TOSHIO
KOBAYASHI HIDEKI
Application Number:
JP2003036259A
Publication Date:
September 24, 2004
Filing Date:
February 14, 2003
Export Citation:
Assignee:
TEIJIN LTD
International Classes:
A61M16/10; B01D53/04; B01D53/047; (IPC1-7): A61M16/10; B01D53/04
Attorney, Agent or Firm:
Hideko Mihara
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