A61M 16/04
Tracheal tubes
Official title: Tracheal tubes (catheters in general A61M25/00)
A61M16/04 (Tracheal tubes) appears on 4,315 US grants and 5,080 published applications in this corpus.
Search patents in A61M- Granted patents
- 4,315
- Published applications
- 5,080
- Assignees
- 1,622
- Inventors
- 7,041
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 26 | 0 |
| 1978 | 14 | 0 |
| 1979 | 20 | 0 |
| 1980 | 19 | 0 |
| 1981 | 34 | 0 |
| 1982 | 35 | 0 |
| 1983 | 16 | 0 |
| 1984 | 32 | 0 |
| 1985 | 34 | 0 |
| 1986 | 35 | 0 |
| 1987 | 42 | 0 |
| 1988 | 28 | 0 |
| 1989 | 47 | 0 |
| 1990 | 38 | 0 |
| 1991 | 70 | 0 |
| 1992 | 41 | 0 |
| 1993 | 77 | 0 |
| 1994 | 90 | 0 |
| 1995 | 59 | 0 |
| 1996 | 75 | 0 |
| 1997 | 71 | 0 |
| 1998 | 91 | 0 |
| 1999 | 74 | 0 |
| 2000 | 69 | 0 |
| 2001 | 43 | 32 |
| 2002 | 66 | 77 |
| 2003 | 81 | 99 |
| 2004 | 82 | 116 |
| 2005 | 44 | 123 |
| 2006 | 58 | 121 |
| 2007 | 57 | 119 |
| 2008 | 52 | 193 |
| 2009 | 49 | 178 |
| 2010 | 64 | 214 |
| 2011 | 84 | 210 |
| 2012 | 113 | 235 |
| 2013 | 171 | 269 |
| 2014 | 170 | 281 |
| 2015 | 165 | 257 |
| 2016 | 167 | 283 |
| 2017 | 140 | 236 |
| 2018 | 172 | 223 |
| 2019 | 217 | 255 |
| 2020 | 213 | 242 |
| 2021 | 153 | 295 |
| 2022 | 181 | 258 |
| 2023 | 168 | 259 |
| 2024 | 152 | 213 |
| 2025 | 171 | 176 |
| 2026 | 119 | 116 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 16/0488Mouthpieces1,824
- A61M 16/0402Special features for tracheal tubes not otherwise provided for1,355
- A61M 16/0434Cuffs1,222
- A61M 16/0463Combined with suction tubes, catheters or the like972
- A61M 16/0465Tracheostomy tubes865
- A61M 16/0475Having openings in the tube585
- A61M 16/0486Multi-lumen tracheal tubes556
- A61M 16/0461Nasoendotracheal tubes173
Recent patents
- System and method for evoking a reflex to monitor the nerves of the larynx6 Oct 2026US 12,751,667 B2Medtronic Xomed, Inc.
- System and method for delivering a therapy and sensing a biological activity in the mouth29 Sep 2026US 12,746,148 B2Split Rock Scientific, Inc.
- Intelligent exhaled sputum-suction and inhaled oxygen-supply device29 Sep 2026US 12,746,355 B2Metabrain Technology Pte. Ltd.
- Systems, devices, and techniques for positioning tubes including a split, articulating stylet29 Sep 2026US 12,746,357 B2Through the Cords, LLC
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Methods and apparatus for high gas flow8 Oct 2026US 2026/0306769 A1Fisher & Paykel Healthcare Limited
- Funneled t-connector with nebulizer for use with a positive pressure ventilator8 Oct 2026US 2026/0306780 A1Hill-Rom Services Pte. Ltd.
- Tracheostomy tubes and their manufacture1 Oct 2026US 2026/0295185 A1Icu Medical International Limited
- Tracheostomy monitoring system1 Oct 2026US 2026/0295186 A1The Trustees of the Stevens Institute of Technology
- A difficult airway ventilation device1 Oct 2026US 2026/0295187 A1Peking University Third Hospital (the Third Clinical Medical School of Peking University)
Most cited
By later US patents
- Apparatus for ablating turbinates1,524US 6,517,535 B2Gyrus Ent, L.L.C. · 2003
- Medical instruments for introduction into the respiratory tract of a patient1,502US 4,454,887 A1984
- Single use medical aspirating device and method1,175US 5,215,522 ABallard Medical Products · 1993
- Thin layer ablation apparatus1,138US 5,505,730 A1996
- Drug delivery system making use of a hydrogel polymer coating1,007US 5,304,121 ABoston Scientific Corporation · 1994