- 专利标题: Device for measuring inspiratory strength
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申请号: US11256426申请日: 2005-10-21
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公开(公告)号: US20060041202A1公开(公告)日: 2006-02-23
- 发明人: Philip Farr , Thomas McCarthy
- 申请人: Philip Farr , Thomas McCarthy
- 优先权: GB9803363 19980217; GB9816677 19980730
- 主分类号: A61B5/08
- IPC分类号: A61B5/08
摘要:
A device having variable inspiratory resistance suitable for measuring the inspiratory strength of a patient which comprises a chamber in communication with a mouthpiece, said chamber (a) being provided with a calibration system for measuring the inhalation flow rate during inhalation through the mouthpiece and (b) being provided with a variable resistance feature by which the resistance to airflow through the device may be altered.
公开/授权文献
- US1728090A Connecter for edgewise-wound resistance coils 公开/授权日:1929-09-10
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