A61F 11/202
Surgical middle-ear ventilation or drainage
Official title: {Surgical middle-ear ventilation or drainage, e.g. permanent; Implants therefor}
A61F11/202 (Surgical middle-ear ventilation or drainage) appears on 271 US grants and 283 published applications in this corpus.
Search patents in A61F- Granted patents
- 271
- Published applications
- 283
- Assignees
- 109
- Inventors
- 409
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 6 |
| 2003 | 4 | 5 |
| 2004 | 3 | 2 |
| 2005 | 3 | 2 |
| 2006 | 2 | 5 |
| 2007 | 3 | 4 |
| 2008 | 1 | 18 |
| 2009 | 3 | 10 |
| 2010 | 5 | 11 |
| 2011 | 5 | 9 |
| 2012 | 7 | 8 |
| 2013 | 10 | 8 |
| 2014 | 11 | 15 |
| 2015 | 11 | 17 |
| 2016 | 8 | 15 |
| 2017 | 18 | 18 |
| 2018 | 13 | 15 |
| 2019 | 11 | 22 |
| 2020 | 22 | 14 |
| 2021 | 7 | 26 |
| 2022 | 15 | 14 |
| 2023 | 16 | 12 |
| 2024 | 11 | 15 |
| 2025 | 12 | 10 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods of tympanostomy tube delivery25 Aug 2026US 12,714,605 B2Smith & Nephew Asia Pacific Pte. Limited
- Tympanostomy tube and placement device30 Jun 2026US 12,667,492 B2KARL STORZ GmbH&Co.KG
- Systems and methods for treating hearing loss23 Jun 2026US 12,663,629 B2Spiral Therapeutics Inc.
- Otological surgery under perfluorocarbon liquids12 May 2026US 12,622,812 B2Alcon Inc.
- Ventilation tubes10 Feb 2026US 12,544,270 B2Preceptis Medical, Inc.
- Biopolymer-based tympanostomy tubes with programmable, tunable, and on-demand degradation20 Aug 2026US 2026/0240644 A1Trustees of Tufts College
- Tube deploying system with visual indicator7 May 2026US 2026/0124077 A1Preceptis Medical, Inc.
- Tympanostomy tube placement device and method for loading a tube thereon30 Oct 2025US 2025/0332034 A1KARL STORZ GmbH&Co.KG
- Antimicrobial implantable medical devices24 Jul 2025US 2025/0235588 A1CuPro Technologies LLC
- Devices, systems, and methods for otology26 Jun 2025US 2025/0208395 A1Spiral Therapeutics Inc.
Most cited
By later US patents
- Devices, systems and methods for treating disorders of the ear, nose and throat269US 7,462,175 B2Acclarent, Inc. · 2008
- Devices, systems and methods for treating disorders of the ear, nose and throat260US 7,500,971 B2Acclarent, Inc. · 2009
- Devices, systems and methods for treating disorders of the ear, nose and throat242US 7,645,272 B2Acclarent, Inc. · 2010
- Inner ear fluid transfer and diagnostic system219US 6,045,528 AIntraEar, Inc. · 2000
- Drain for the eardrum and apparatus for introducing the same189US 3,948,271 A1976