A61M 5/32
Needles
Official title: Needles; Details of needles pertaining to their connection with syringe or hub (infusion needles A61M5/158); Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
A61M5/32 (Needles) appears on 9,489 US grants and 10,447 published applications in this corpus.
Search patents in A61M- Granted patents
- 9,489
- Published applications
- 10,447
- Assignees
- 2,450
- Inventors
- 11,769
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 21 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 23 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 19 | 0 |
| 1984 | 24 | 0 |
| 1985 | 20 | 0 |
| 1986 | 33 | 0 |
| 1987 | 44 | 0 |
| 1988 | 61 | 0 |
| 1989 | 123 | 0 |
| 1990 | 155 | 0 |
| 1991 | 164 | 0 |
| 1992 | 167 | 0 |
| 1993 | 178 | 0 |
| 1994 | 208 | 0 |
| 1995 | 146 | 0 |
| 1996 | 167 | 0 |
| 1997 | 142 | 0 |
| 1998 | 171 | 0 |
| 1999 | 183 | 0 |
| 2000 | 134 | 0 |
| 2001 | 153 | 59 |
| 2002 | 134 | 193 |
| 2003 | 186 | 250 |
| 2004 | 138 | 265 |
| 2005 | 115 | 262 |
| 2006 | 112 | 215 |
| 2007 | 87 | 299 |
| 2008 | 102 | 285 |
| 2009 | 115 | 271 |
| 2010 | 188 | 314 |
| 2011 | 183 | 302 |
| 2012 | 223 | 404 |
| 2013 | 262 | 485 |
| 2014 | 293 | 491 |
| 2015 | 295 | 477 |
| 2016 | 381 | 517 |
| 2017 | 388 | 518 |
| 2018 | 369 | 636 |
| 2019 | 527 | 603 |
| 2020 | 505 | 621 |
| 2021 | 476 | 579 |
| 2022 | 454 | 523 |
| 2023 | 427 | 515 |
| 2024 | 396 | 574 |
| 2025 | 446 | 475 |
| 2026 | 284 | 314 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 5/3205Apparatus for removing or disposing of used needles or syringes6,095
- A61M 5/3202Devices for protection of the needle before use2,975
- A61M 5/34Constructions for connecting the needle1,598
- A61M 5/3287Accessories for bringing the needle into the body757
- A61M 5/329Characterised by features of the needle shaft566
- A61M 5/3286Needle tip design408
- A61M 5/3293Characterised by features of the needle hub396
- A61M 5/3295Multiple needle devices290
Recent patents
- Cannula and infusion devices6 Oct 2026US 12,752,052 B2Unomedical A/S
- Magnetic autoinjector6 Oct 2026US 12,752,056 B2
- Syringe assembly including pressurized sterile air6 Oct 2026US 12,752,057 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.
- Sterile Cover for Medical Devices and Methods Thereof8 Oct 2026US 2026/0305971 A1Bard Access Systems, Inc.
- Drug delivery device8 Oct 2026US 2026/0306743 A1Sanofi
- Injection apparatus8 Oct 2026US 2026/0306744 A1Owen Mumford Limited
- Medication delivery device with needle carrier8 Oct 2026US 2026/0306746 A1Eli Lilly and Company
- Liquid delivery cap with alignment verification8 Oct 2026US 2026/0306749 A1Patients Pending Ltd.
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