A61M 5/3234
Fully automatic needle retraction, i.e. in which triggering of the needle does
Official title: {Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user}
A61M5/3234 (Fully automatic needle retraction, i.e. in which triggering of the needle does) appears on 576 US grants and 617 published applications in this corpus.
Search patents in A61M- Granted patents
- 576
- Published applications
- 617
- Assignees
- 213
- Inventors
- 886
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 22 | 0 |
| 2000 | 19 | 0 |
| 2001 | 9 | 1 |
| 2002 | 11 | 13 |
| 2003 | 15 | 24 |
| 2004 | 16 | 23 |
| 2005 | 5 | 11 |
| 2006 | 6 | 23 |
| 2007 | 9 | 23 |
| 2008 | 10 | 26 |
| 2009 | 12 | 16 |
| 2010 | 10 | 21 |
| 2011 | 15 | 17 |
| 2012 | 19 | 25 |
| 2013 | 15 | 24 |
| 2014 | 16 | 27 |
| 2015 | 16 | 33 |
| 2016 | 21 | 31 |
| 2017 | 21 | 24 |
| 2018 | 26 | 29 |
| 2019 | 31 | 35 |
| 2020 | 21 | 31 |
| 2021 | 30 | 36 |
| 2022 | 24 | 23 |
| 2023 | 18 | 28 |
| 2024 | 24 | 37 |
| 2025 | 24 | 20 |
| 2026 | 19 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 2005/3241Needle retraction energy is accumulated inside of a hollow plunger rodIndexing code147
- A61M 2005/3235Triggered by radial deflection of the anchoring parts between needle mount andIndexing code125
- A61M 2005/3239Triggered by dislodgement of outer part anchoring the needle portion to theIndexing code32
Recent patents
- Devices and processes for delivery of therapeutic fluids1 Sep 2026US 12,721,953 B2Eli Lilly and Company
- Gas powered auto-injectors and methods for use25 Aug 2026US 12,714,793 B2Altaviz, LLC
- Medication delivery device with syringe sensing system18 Aug 2026US 12,708,715 B2Eli Lilly and Company
- Syringe with an improved needle retraction mechanism18 Aug 2026US 12,708,719 B2Roncadelle Operations SRL
- Auto-injectors for administration of a medicament within a prefilled syringe30 Jun 2026US 12,667,669 B2kaleo, Inc.
- Auto-injectors for administration of a medicament within a prefilled syringe24 Sep 2026US 2026/0284313 A1kaleo, Inc.
- System and method for safety syringe17 Sep 2026US 2026/0273188 A1Credence Medsystems, Inc.
- Syringe connector for a medicament delivery device27 Aug 2026US 2026/0249020 A1
- Medical filtration assembly for medical devices13 Aug 2026US 2026/0232911 A1Becton, Dickinson and Company
- Injection device for delivering a drug6 Aug 2026US 2026/0224819 A1Shl Medical AG
Most cited
By later US patents
- Drug delivery systems and methods719US 6,645,181 B1Elan Pharma International Limited · 2003
- Disposable automatic injection device326US 6,086,562 ASarcos Corp. · 2000
- Retractable needle hypodermic syringe system233US 4,994,034 A1991
- Hollow needle applicator for cartridged drugs220US 5,957,897 ASafe-T-Limited · 1999
- Drug delivery systems and methods219US 6,478,771 B1Elan Pharma International Limited · 2002