| 发明名称 |
Incentive spirometer with automatic levelling |
| 摘要 |
An incentive spirometer, of the type wherein an object is raised in a tube by a patient inhaling through the tube, is improved by automatically maintaining the tube vertically-oriented in spite of tilting of the frame from which the tube is supported.
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| 申请公布号 |
US4425923(A) |
申请公布日期 |
1984.01.17 |
| 申请号 |
US19810324379 |
申请日期 |
1981.11.23 |
| 申请人 |
WHITMAN MEDICAL CORPORATION |
发明人 |
GORDON, MARVIN;LICHTENSTEIN, JOSEPH |
| 分类号 |
A61B5/087;(IPC1-7):A61B5/08 |
主分类号 |
A61B5/087 |
| 代理机构 |
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| 地址 |
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