A61M 5/50
Devices for bringing media into the body in a subcutaneous, intra-vascular or
Official title: having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile {(retractable needles or needle protectors with means for preventing re-use A61M5/321)}
A61M5/50 (Devices for bringing media into the body in a subcutaneous, intra-vascular or) appears on 2,164 US grants and 2,301 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,164
- Published applications
- 2,301
- Assignees
- 690
- Inventors
- 3,116
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 30 | 0 |
| 1990 | 32 | 0 |
| 1991 | 46 | 0 |
| 1992 | 41 | 0 |
| 1993 | 55 | 0 |
| 1994 | 32 | 0 |
| 1995 | 30 | 0 |
| 1996 | 28 | 0 |
| 1997 | 30 | 0 |
| 1998 | 31 | 0 |
| 1999 | 32 | 0 |
| 2000 | 35 | 0 |
| 2001 | 26 | 11 |
| 2002 | 29 | 28 |
| 2003 | 31 | 40 |
| 2004 | 27 | 59 |
| 2005 | 19 | 46 |
| 2006 | 25 | 53 |
| 2007 | 17 | 58 |
| 2008 | 21 | 70 |
| 2009 | 23 | 68 |
| 2010 | 35 | 66 |
| 2011 | 47 | 67 |
| 2012 | 51 | 111 |
| 2013 | 62 | 130 |
| 2014 | 84 | 151 |
| 2015 | 78 | 129 |
| 2016 | 112 | 123 |
| 2017 | 124 | 122 |
| 2018 | 114 | 128 |
| 2019 | 144 | 140 |
| 2020 | 123 | 124 |
| 2021 | 92 | 106 |
| 2022 | 109 | 113 |
| 2023 | 82 | 105 |
| 2024 | 90 | 98 |
| 2025 | 86 | 100 |
| 2026 | 43 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/5086For indicating if defective, used, tampered with or unsterile1,090
- A61M 5/5013Means for blocking the piston or the fluid passageway to prevent illegal473
- A61M 5/5066Means for preventing re-use by disconnection of piston and piston-rod230
- A61M 5/508Means for preventing re-use by disrupting the piston seal228
- A61M 2005/5006Having means for destroying the syringe barrelIndexing code33
- A61M 2005/5093Including soluble mechanical partsIndexing code11
Recent patents
- Ketamine formulation6 Oct 2026US 12,751,918 B2Fresenius Kabi USA, LLC
- System and method for multiple site dispensing or injection6 Oct 2026US 12,752,061 B2Credence Medsystems, Inc.
- Injectable administration compliance platform29 Sep 2026US 12,746,347 B2Datadose, LLC
- Needle assisted injection device having reduced trigger force22 Sep 2026US 12,741,095 B2Antares Pharma, Inc.
- Reuse prevention flush syringe22 Sep 2026US 12,741,104 B2Becton, Dickinson and Company
- Needle insertion mechanism for an injection device with an improved impact resistance1 Oct 2026US 2026/0295151 A1Ypsomed AG
- System and method for infusion set dislodgement detection24 Sep 2026US 2026/0284326 A1Tandem Diabetes Care, Inc.
- Systems and methods for detecting disruptions in fluid delivery devices17 Sep 2026US 2026/0273180 A1DEKA Products Limited Partnership
- Methods for delivering agents with pre-filled syringes to minimize intraocular inflammation17 Sep 2026US 2026/0273192 A1Regeneron Pharmaceuticals, Inc.
- Succinylcholine chloride prefilled syringe10 Sep 2026US 2026/0263408 A1Hikma Pharmaceuticals USA Inc.
Most cited
By later US patents
- Coupling for injection devices1,183US 8,574,199 B2Novo Nordisk A/S · 2013
- Hypodermic syringe with protective shield1,132US 5,222,945 A1993
- Needle guard and needle assembly for syringe603US 5,360,404 AInviro Medical Devices Ltd. · 1994
- Autonomous drug delivery system571US 10,086,138 B1Masimo Corporation · 2018
- Multiple dose injection pen552US 5,226,895 AEli Lilly and Company · 1993