Patent · US Active

Nasogastric tube

US9789029B2 · kind B2 · utility

6Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2013
Grant dateOct 17, 2017
Priority date
Expiry dateDec 5, 2033

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J15/0003
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A system comprising: a nasogastric tube comprising: (a) a main lumen having one or more proximal connectors for connecting to a source of substances or pressure; (b) at least four vacuum lumens peripherally surrounding said main lumen; and (c) at least four suction ports for sealingly drawing an inner wall of an esophagus thereagainst, each of said at least four suction ports associated with a different one of said at least four vacuum lumens, wherein said at least four suction ports are distributed between at least two different locations along a longitudinal axis of said nasogastric tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.