A61M 25/0029
Characterized by features relating to least one lumen located at the middle
Official title: {characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports (catheter shaft surface irregularities A61M2025/006)}
A61M25/0029 (Characterized by features relating to least one lumen located at the middle) appears on 599 US grants and 646 published applications in this corpus.
Search patents in A61M- Granted patents
- 599
- Published applications
- 646
- Assignees
- 233
- Inventors
- 927
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 8 |
| 2002 | 10 | 31 |
| 2003 | 20 | 29 |
| 2004 | 19 | 37 |
| 2005 | 17 | 44 |
| 2006 | 19 | 30 |
| 2007 | 15 | 41 |
| 2008 | 10 | 32 |
| 2009 | 10 | 30 |
| 2010 | 32 | 32 |
| 2011 | 30 | 18 |
| 2012 | 26 | 24 |
| 2013 | 28 | 29 |
| 2014 | 22 | 16 |
| 2015 | 29 | 23 |
| 2016 | 16 | 17 |
| 2017 | 14 | 15 |
| 2018 | 17 | 33 |
| 2019 | 20 | 24 |
| 2020 | 23 | 29 |
| 2021 | 18 | 16 |
| 2022 | 21 | 33 |
| 2023 | 11 | 15 |
| 2024 | 16 | 20 |
| 2025 | 9 | 14 |
| 2026 | 12 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Central catheters, assemblies, and methods thereof25 Aug 2026US 12,714,832 B2Bard Access Systems, Inc.
- Transformable dual lumen cannula into a single lumen cannula and methods of use18 Aug 2026US 12,708,742 B2Inspira-Technologies OXY B.H.N. LTD.
- Introducer assembly particularly for balloon catheters11 Aug 2026US 12,702,802 B2Cook Medical Technologies LLC
- Rapidly insertable central catheters and methods thereof2 Jun 2026US 12,642,938 B2Bard Access Systems, Inc.
- Catheter devices and methods for making them5 May 2026US 12,616,816 B2Clph, LLC
- Cuffed and non-cuffed dialysis catheter systems and methods6 Aug 2026US 2026/0224845 A1
- Dual-lumen intravascular ultrasound catheter9 Jul 2026US 2026/0191546 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Injecting glucose solution to prevent proximal migration of injected embolic solution during endovascular embolization treatment in a vessel25 Jun 2026US 2026/0174439 A1
- Aspiration or occlusion to prevent proximal migration of injected embolic solution during endovascular embolization treatment in a vessel25 Jun 2026US 2026/0174440 A1
- Thrombectomy apparatus5 Mar 2026US 2026/0060708 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Method of using a catheter-sleeve assembly for an endoscope1,867US 5,259,366 A1993
- Implantable device and methods for delivering drugs and other substances to treat sinusitis and other disorders1,387US 7,361,168 B2Acclarent, Inc. · 2008
- Implantable drug delivery catheter system with capillary interface843US 6,471,689 B1Thomas Jefferson University · 2002
- Angioplasty mehtod799US 5,040,548 A1991
- Angioplasty apparatus facilitating rapid exchanges741US 5,061,273 A1991