Nasogastric tube
US10646406B2 · kind B2 · utility
2Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2017 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Feb 22, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/5005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasogastric tube (10) including a main lumen (12) having one or more proximal connectors (14) for connecting to a source of substances or pressure, and one or more vacuum lumens (16) peripherally surrounding the main lumen (12), each vacuum lumen (16) including a vacuum sealing portion (24), which includes one or more suction ports (26) for sealingly drawing an inner wall of an esophagus thereagainst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.