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US 2025/0032736 A1Published application
Nasopharyngeal airway
OwnerTien-Sheng Cheninventor
Life of this patent
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Abstract
A nasopharyngeal airway has multiple fenestrations and a curved tube. The curved tube has a curved front section with a front end. Multiple fenestrations are provided in the curved front section. The curved tube has a curved tube length DI and the curved front section has a front length D2, where D 2 ≤ 1 3 D 1 .
Claims15
A nasopharyngeal airway, comprising:
- a plurality of fenestrations;
- and
- a curved tube, the curved tube including an curved front section and the curved front section including a front end, wherein the plurality of fenestrations are provided in the curved front section, the curved tube has a curved tube length D1, and the curved front section has an front length D2, where
- D
-
- 2
- ≤
- 1
- 3
-
- D
-
- 1
- .
11 more elements
Dependencies are inferred from the claim text.