发明名称 |
SPIROMETER |
摘要 |
<p>Pocket-size medical spirometer comprising a housing and a measurement unit (MU), for measuring rate of total flow when a user exhales through the spirometer. The MU comprises a fluidic jet oscillator adapted to generate oscillating flow with frequency dependent on the rate of flow therethrough. The MU is disposed within the housing so as to form a bypass flow path defined between an outer surface of the MU and an inner surface of the housing. A measurement flow path is defined through the fluidic jet oscillator, such that the total flow is divided into a bypass flow and a measurement flow, the latter being less than the former at least by an order of magnitude. The spirometer further comprises a pressure or velocity transducer and an electronic circuit adapted to derive the total flow rate or volume from the transducer signal.</p> |
申请公布号 |
EP1691685(A4) |
申请公布日期 |
2008.09.03 |
申请号 |
EP20040799364 |
申请日期 |
2004.11.17 |
申请人 |
SPIROJET MEDICAL LTD. |
发明人 |
KRASILCHIKOV, YEHEZKEL;LITVAK, ANNA;SHESTATSKI, FELIX |
分类号 |
A61B5/08;A61B;A61B5/087;A61B5/093;A61M11/00;A61M16/00;G01F1/32;G01F1/37;G01F1/42 |
主分类号 |
A61B5/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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