A61M 2005/3241
Needle retraction energy is accumulated inside of a hollow plunger rod
Official title: {Needle retraction energy is accumulated inside of a hollow plunger rod}
A61M2005/3241 (Needle retraction energy is accumulated inside of a hollow plunger rod) appears on 147 US grants and 144 published applications in this corpus.
Search patents in A61M- Granted patents
- 147
- Published applications
- 144
- Assignees
- 51
- Inventors
- 195
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 7 |
| 2004 | 2 | 7 |
| 2005 | 1 | 2 |
| 2006 | 3 | 8 |
| 2007 | 2 | 13 |
| 2008 | 4 | 8 |
| 2009 | 3 | 5 |
| 2010 | 3 | 5 |
| 2011 | 6 | 4 |
| 2012 | 9 | 6 |
| 2013 | 4 | 5 |
| 2014 | 3 | 4 |
| 2015 | 2 | 9 |
| 2016 | 2 | 8 |
| 2017 | 7 | 7 |
| 2018 | 7 | 10 |
| 2019 | 12 | 8 |
| 2020 | 5 | 6 |
| 2021 | 12 | 7 |
| 2022 | 3 | 3 |
| 2023 | 5 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Syringe with an improved needle retraction mechanism18 Aug 2026US 12,708,719 B2Roncadelle Operations SRL
- System and method for safety syringe2 Jun 2026US 12,642,910 B2Credence Medsystems, Inc.
- System and method for microdose injection2 Jun 2026US 12,642,914 B2Credence Medsystems, Inc.
- System and method for multiple site injection17 Jun 2025US 12,329,953 B2Credence Medsystems, Inc.
- System and method for safety syringe19 Nov 2024US 12,144,970 B2Credence Medsystems, Inc.
- System and method for safety syringe17 Sep 2026US 2026/0273188 A1Credence Medsystems, Inc.
- System and method for multiple site injection2 Jul 2026US 2026/0183489 A1Credence Medsystems, Inc.
- System and method for safety syringe29 May 2025US 2025/0170341 A1Credence Medsystems, Inc.
- System and method for safety syringe8 May 2025US 2025/0144302 A1Credence Medsystems, Inc.
- Safe injection systems and methods13 Mar 2025US 2025/0082861 A1Credence Medsystems, Inc.
Most cited
By later US patents
- Retractable needle hypodermic syringe system233US 4,994,034 A1991
- Intravenous catheter insertion device with retractable needle217US 5,407,431 AMed-Design, Inc. · 1995
- Self retracting medical needle apparatus and methods190US 5,616,135 ASpecialized Health Products, Inc. · 1997
- Disposable safety syringe having a retractable needle177US 6,193,695 B12001
- Self-retracting medical needle apparatus and methods175US 6,024,727 A2000