A61M 5/321
Means for protection against accidental injuries by used needles
Official title: {Means for protection against accidental injuries by used needles}
A61M5/321 (Means for protection against accidental injuries by used needles) appears on 5,535 US grants and 5,546 published applications in this corpus.
Search patents in A61M- Granted patents
- 5,535
- Published applications
- 5,546
- Assignees
- 1,234
- Inventors
- 6,015
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 12 | 0 |
| 1987 | 24 | 0 |
| 1988 | 42 | 0 |
| 1989 | 78 | 0 |
| 1990 | 126 | 0 |
| 1991 | 118 | 0 |
| 1992 | 129 | 0 |
| 1993 | 132 | 0 |
| 1994 | 154 | 0 |
| 1995 | 110 | 0 |
| 1996 | 128 | 0 |
| 1997 | 109 | 0 |
| 1998 | 111 | 0 |
| 1999 | 122 | 0 |
| 2000 | 87 | 0 |
| 2001 | 101 | 34 |
| 2002 | 89 | 136 |
| 2003 | 125 | 184 |
| 2004 | 108 | 190 |
| 2005 | 84 | 187 |
| 2006 | 84 | 162 |
| 2007 | 78 | 217 |
| 2008 | 76 | 181 |
| 2009 | 84 | 160 |
| 2010 | 131 | 190 |
| 2011 | 109 | 174 |
| 2012 | 151 | 219 |
| 2013 | 156 | 275 |
| 2014 | 169 | 249 |
| 2015 | 175 | 238 |
| 2016 | 222 | 233 |
| 2017 | 210 | 235 |
| 2018 | 181 | 300 |
| 2019 | 254 | 271 |
| 2020 | 245 | 292 |
| 2021 | 222 | 255 |
| 2022 | 219 | 223 |
| 2023 | 174 | 242 |
| 2024 | 204 | 302 |
| 2025 | 246 | 254 |
| 2026 | 138 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/3243Being axially-extensible3,589
- A61M 5/322Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by1,438
- A61M 5/3213Caps placed axially onto the needle670
- A61M 5/3216Caps placed transversally onto the needle445
- A61M 2005/3212Blunting means for the sharp end of the needleIndexing code41
Recent patents
- Magnetic autoinjector6 Oct 2026US 12,752,056 B2
- Sub-assembly for a medicament delivery device cassette unit6 Oct 2026US 12,752,062 B2Shl Medical AG
- Tracking system for a coupling device6 Oct 2026US 12,752,063 B2CareFusion 303, Inc.
- Delivery devices for administering drugs29 Sep 2026US 12,746,343 B2Amgen Inc.
- Needle assisted injection device having reduced trigger force22 Sep 2026US 12,741,095 B2Antares Pharma, Inc.
- Drug delivery device8 Oct 2026US 2026/0306743 A1Sanofi
- Injection apparatus8 Oct 2026US 2026/0306744 A1Owen Mumford Limited
- Thin Wall Cannula8 Oct 2026US 2026/0306753 A1Becton, Dickinson and Company
- Disposable injection needle8 Oct 2026US 2026/0306754 A1Tianjin Huahong Technology Co., Ltd.
- Reusable automatic medicament delivery device1 Oct 2026US 2026/0295163 A1Shl Medical AG
Most cited
By later US patents
- Insertion device for an insertion set and method of using the same1,511US 6,293,925 B1MiniMed Inc. · 2001
- Catheter with stick protection1,381US 5,419,766 ACritikon, Inc. · 1995
- Applicator1,350US 5,951,516 AN. J. Phillips Pty. Limited · 1999
- Insertion device for an insertion set and method of using the same1,349US 6,607,509 B2Medtronic MiniMed, Inc. · 2003
- Hypodermic syringe with protective shield1,132US 5,222,945 A1993