A61M 39/045
Pre-slit to be pierced by blunt instrument
Official title: {pre-slit to be pierced by blunt instrument}
A61M39/045 (Pre-slit to be pierced by blunt instrument) appears on 497 US grants and 456 published applications in this corpus.
Search patents in A61M- Granted patents
- 497
- Published applications
- 456
- Assignees
- 151
- Inventors
- 538
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 25 | 7 |
| 2002 | 9 | 16 |
| 2003 | 13 | 23 |
| 2004 | 13 | 26 |
| 2005 | 10 | 20 |
| 2006 | 15 | 57 |
| 2007 | 8 | 35 |
| 2008 | 6 | 50 |
| 2009 | 12 | 11 |
| 2010 | 37 | 20 |
| 2011 | 27 | 24 |
| 2012 | 23 | 10 |
| 2013 | 32 | 19 |
| 2014 | 12 | 20 |
| 2015 | 17 | 15 |
| 2016 | 14 | 15 |
| 2017 | 15 | 11 |
| 2018 | 10 | 15 |
| 2019 | 15 | 11 |
| 2020 | 18 | 7 |
| 2021 | 12 | 11 |
| 2022 | 7 | 6 |
| 2023 | 3 | 9 |
| 2024 | 10 | 7 |
| 2025 | 9 | 8 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-drag septum for a catheter system23 Jun 2026US 12,661,483 B2Becton, Dickinson and Company
- Chest drain connector18 Nov 2025US 12,472,341 B2Nottingham Trent University
- Access sheath with valve assembly19 Aug 2025US 12,390,249 B2Teleflex Life Sciences Limited
- Activator attachment for blood control catheters22 Jul 2025US 12,364,842 B2Becton, Dickinson and Company
- Penetrable closed sheath tip13 May 2025US 12,296,135 B2Gyrus ACMI, Inc.
- Detachable passive seal for medical device having active seal14 May 2026US 2026/0131127 A1Boston Scientific Scimed, Inc.
- Needleless connector with tear-resistant seal26 Feb 2026US 2026/0054047 A1CareFusion 303, Inc.
- Self-flushing valve with collapsible valve member15 Jan 2026US 2026/0014363 A1CareFusion 303, Inc.
- Needleless connector with folding seal25 Dec 2025US 2025/0387605 A1CareFusion 303, Inc.
- Methods and devices for vascular access11 Sep 2025US 2025/0281732 A1I-V Access Technology, Inc.
Most cited
By later US patents
- Devices for sampling, drainage or infusion of liquids from or to the human or animal body659US 4,935,010 APharmacia Corporation · 1990
- Self-sealing connector for use with plastic cannulas and vessel catheters655US 4,387,879 AEduard Fresenius Chemisch Pharmazeutische Industrie KG · 1983
- Luer receiver and method for fluid transfer650US 6,171,287 B2Becton, Dickinson and Company · 2001
- Medical valve and method of use527US 5,685,866 AICU Medical, Inc. · 1997
- Needleless introducer with hemostatic valve468US 5,269,771 AThomas Medical Products, Inc. · 1993