A61M 31/00
Devices for introducing or retaining media
Official title: Devices for introducing or retaining media, e.g. remedies, in cavities of the body (A61M25/00 takes precedence {; introducing or retaining ophthalmic products into the ocular cavities A61F9/0008})
A61M31/00 (Devices for introducing or retaining media) appears on 2,956 US grants and 3,935 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,956
- Published applications
- 3,935
- Assignees
- 1,487
- Inventors
- 5,837
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 16 | 0 |
| 1981 | 10 | 0 |
| 1982 | 17 | 0 |
| 1983 | 11 | 0 |
| 1984 | 17 | 0 |
| 1985 | 14 | 0 |
| 1986 | 14 | 0 |
| 1987 | 27 | 0 |
| 1988 | 27 | 0 |
| 1989 | 31 | 0 |
| 1990 | 29 | 0 |
| 1991 | 23 | 0 |
| 1992 | 19 | 0 |
| 1993 | 28 | 0 |
| 1994 | 32 | 0 |
| 1995 | 35 | 0 |
| 1996 | 31 | 0 |
| 1997 | 22 | 0 |
| 1998 | 48 | 0 |
| 1999 | 41 | 0 |
| 2000 | 28 | 0 |
| 2001 | 35 | 9 |
| 2002 | 39 | 42 |
| 2003 | 27 | 62 |
| 2004 | 33 | 68 |
| 2005 | 22 | 89 |
| 2006 | 25 | 78 |
| 2007 | 26 | 95 |
| 2008 | 24 | 106 |
| 2009 | 25 | 137 |
| 2010 | 57 | 127 |
| 2011 | 55 | 136 |
| 2012 | 84 | 119 |
| 2013 | 100 | 202 |
| 2014 | 136 | 206 |
| 2015 | 116 | 207 |
| 2016 | 151 | 179 |
| 2017 | 152 | 234 |
| 2018 | 134 | 198 |
| 2019 | 177 | 259 |
| 2020 | 159 | 223 |
| 2021 | 152 | 239 |
| 2022 | 138 | 219 |
| 2023 | 174 | 206 |
| 2024 | 136 | 192 |
| 2025 | 123 | 177 |
| 2026 | 75 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sample collection device, sample collection kit, sample collection system, diagnostic device, and associated methods6 Oct 2026US 12,751,698 B2ASAP Breatheassist Pty Ltd
- Medical string kit29 Sep 2026US 12,745,929 B2
- System and method for delivering a therapy and sensing a biological activity in the mouth29 Sep 2026US 12,746,148 B2Split Rock Scientific, Inc.
- Dual-density formulations devices and methods for intranasal drug delivery or sampling22 Sep 2026US 12,741,126 B2Rocket Science Health Corp.
- Gastric resident electronics8 Sep 2026US 12,727,827 B2Massachusetts Institute of Technology
- Oral pouch product8 Oct 2026US 2026/0306233 A1
- Ingestible devices, assemblies, and methods for delivering a therapeutic agent8 Oct 2026US 2026/0306810 A1Rani Therapeutics, LLC
- Medical mobile robot for digestive system, method of using same, and treatment method using medical mobile robot8 Oct 2026US 2026/0306811 A1Korea Institute of Science and Technology
- Feminine care device1 Oct 2026US 2026/0295146 A1
- System for Cooling Breast Milk, a Housing with a Cooling System, and a Method for Cooling Breast Milk1 Oct 2026US 2026/0295226 A1Medela, Inc.
Most cited
By later US patents
- Dispensing catheter and method1,832US 4,900,303 A1990
- Renewable neural implant device and method1,456US 5,554,148 ABrown University Research Foundation · 1996
- Devices and methods for treating pain associated with tonsillectomies1,394US 8,663,192 B2Intersect ENT, Inc. · 2014
- Implantable device and methods for delivering drugs and other substances to treat sinusitis and other disorders1,387US 7,361,168 B2Acclarent, Inc. · 2008
- Means for providing instant agent from agent dispensing system1,381US 4,643,731 AAlza Corporation · 1987