A61F 9/00772
Apparatus for restoration of tear ducts
Official title: {Apparatus for restoration of tear ducts}
A61F9/00772 (Apparatus for restoration of tear ducts) appears on 283 US grants and 376 published applications in this corpus.
Search patents in A61F- Granted patents
- 283
- Published applications
- 376
- Assignees
- 121
- Inventors
- 442
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 8 |
| 2003 | 5 | 2 |
| 2004 | 1 | 9 |
| 2005 | 3 | 7 |
| 2006 | 4 | 9 |
| 2007 | 3 | 19 |
| 2008 | 2 | 20 |
| 2009 | 2 | 13 |
| 2010 | 5 | 23 |
| 2011 | 10 | 17 |
| 2012 | 14 | 23 |
| 2013 | 11 | 22 |
| 2014 | 20 | 19 |
| 2015 | 15 | 23 |
| 2016 | 14 | 13 |
| 2017 | 14 | 15 |
| 2018 | 11 | 22 |
| 2019 | 10 | 26 |
| 2020 | 11 | 13 |
| 2021 | 20 | 16 |
| 2022 | 10 | 15 |
| 2023 | 8 | 18 |
| 2024 | 11 | 10 |
| 2025 | 14 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices and methods for intraocular tissue manipulation22 Sep 2026US 12,740,892 B2Sight Sciences, Inc.
- Double-head separator for peripheral anterior synechiae2 Jun 2026US 12,642,697 B2Zhongshan Ophthalmic Center, Sun Yat-Sen University
- Lacrimal sac incision knife4 Nov 2025US 12,458,395 B2Kai R&D Center Co., Ltd.
- Materials and methods for punctal plugs28 Oct 2025US 12,453,653 B2Glaukos Corporation
- Bio-adhesive dissolving compounds and device21 Oct 2025US 12,447,045 B2Segal Innovations LLC
- Methods and apparatus to manage meibomian gland deficiencies27 Aug 2026US 2026/0248648 A1Nthalmic Holding Pty Ltd
- Sutureless, self-retaining bio-tissue insert for the eye and methods of use4 Jun 2026US 2026/0151536 A1Interstat LLC
- Ophthalmic compositions and methods for sustained drug release30 Apr 2026US 2026/0115044 A1
- Punctal implants, insertion systems and methods of using the same16 Apr 2026US 2026/0102283 A1Glaukos Corporation
- Implant insertion device for puncta and other orifices2 Apr 2026US 2026/0090913 A1Mlmjo, LLC
Most cited
By later US patents
- Glaucoma drainage the lacrimal system and method327US 4,886,488 A1989
- Method and catheter for dilatation of the lacrimal system327US 5,169,386 A1992
- Method and catheter for dilatation of the lacrimal system243US 5,021,043 AC. R. Bard, Inc. · 1991
- Punctum plug and method for treating keratoconjunctivitis sicca (dry eye) and other ophthalmic aliments using same229US 3,949,750 A1976
- Transnasal method and catheter for lacrimal system203US 7,169,163 B22007