A61J 15/0073
Multi-lumen tubes
Official title: {Multi-lumen tubes}
A61J15/0073 (Multi-lumen tubes) appears on 157 US grants and 219 published applications in this corpus.
Search patents in A61J- Granted patents
- 157
- Published applications
- 219
- Assignees
- 114
- Inventors
- 368
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 5 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 4 | 11 |
| 2007 | 1 | 4 |
| 2008 | 1 | 9 |
| 2009 | 1 | 10 |
| 2010 | 5 | 7 |
| 2011 | 4 | 7 |
| 2012 | 3 | 14 |
| 2013 | 3 | 10 |
| 2014 | 6 | 21 |
| 2015 | 4 | 13 |
| 2016 | 9 | 8 |
| 2017 | 14 | 10 |
| 2018 | 3 | 15 |
| 2019 | 9 | 14 |
| 2020 | 11 | 9 |
| 2021 | 7 | 11 |
| 2022 | 5 | 6 |
| 2023 | 5 | 6 |
| 2024 | 2 | 6 |
| 2025 | 4 | 6 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nasogastric tube30 Jun 2026US 12,667,524 B2Envue Medical Holdings, Corp.
- Feeding tube with electromagnetic sensor and camera2 Jun 2026US 12,642,752 B2Envue Medical Holdings, Corp.
- Intraoral gastrointestinal access device and related methods14 Apr 2026US 12,599,544 B2Alsteni Medical, Inc.
- Gastrojejunal tube apparatus and methods of use16 Sep 2025US 12,414,903 B2Inmed Corporation
- Esophageal intubation assemblies for cardiac stimulation and access to gastric contents29 Jul 2025US 12,370,369 B2Endeavor Med Inc.
- Nasogastric device and uses thereof8 Oct 2026US 2026/0306365 A1Connecticut Children’s Medical Center
- Feeding tube with electromagnetic sensor and actuator20 Aug 2026US 2026/0240726 A1Envue Medical Holdings, Corp.
- Enteral feeding tube for feeding patients such as newborn babies, in particular premature babies9 Jul 2026US 2026/0191742 A1Assistance Publique-Hopitaux de Paris
- Gastrojejunal tube apparatus and methods of use2 Jul 2026US 2026/0183197 A1Inmed Corporation
- Methods and apparatus for accessing and monitoring the gastrointestinal tract2 Jul 2026US 2026/0183198 A1Gravitas Medical, Inc.
Most cited
By later US patents
- Medical device anchoring system and method262US 6,315,789 B12001
- Gastrostomy catheter system261US 5,458,583 AMedical Innovations Corporation · 1995
- Modified nasogastric tube for use in enteral feeding225US 5,334,167 A1994
- Gastrointestinal tube with inflatable bolus114US 5,318,530 ABissel Medical Products, Inc. · 1994
- Temporary dilating tip for gastro-intestinal tubes107US 6,673,058 B2SciMed Life Systems, Inc. · 2004