A61M 1/3667
With assisted venous return
Official title: {with assisted venous return}
A61M1/3667 (With assisted venous return) appears on 194 US grants and 227 published applications in this corpus.
Search patents in A61M- Granted patents
- 194
- Published applications
- 227
- Assignees
- 103
- Inventors
- 311
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 5 |
| 2003 | 6 | 5 |
| 2004 | 3 | 11 |
| 2005 | 2 | 4 |
| 2006 | 3 | 6 |
| 2007 | 6 | 9 |
| 2008 | 4 | 4 |
| 2009 | 6 | 10 |
| 2010 | 8 | 10 |
| 2011 | 1 | 10 |
| 2012 | 10 | 15 |
| 2013 | 18 | 10 |
| 2014 | 7 | 12 |
| 2015 | 12 | 12 |
| 2016 | 12 | 15 |
| 2017 | 6 | 10 |
| 2018 | 8 | 9 |
| 2019 | 10 | 16 |
| 2020 | 11 | 8 |
| 2021 | 4 | 7 |
| 2022 | 8 | 13 |
| 2023 | 9 | 6 |
| 2024 | 6 | 5 |
| 2025 | 9 | 6 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Artificial lung system and its methods of use22 Sep 2026US 12,741,072 B2Breethe, Inc.
- Cardiac drainage cannula and related methods and systems11 Aug 2026US 12,702,743 B2Berlin Heart GmbH
- Regulating blood flow in extracorporeal circulation25 Nov 2025US 12,478,718 B2LivaNova Deutschland GmbH
- Dual lumen cannula with expandable lumen28 Oct 2025US 12,453,809 B2CardiacAssist, Inc.
- Microplegia delivery system14 Oct 2025US 12,440,619 B2Terumo Cardiovascular Systems Corporation
- Regulating blood flow in extracorporeal circulation21 May 2026US 2026/0137852 A1LivaNova Deutschland GmbH
- Alternating flow intravascular catheters and related technologies14 May 2026US 2026/0131058 A1
- Combined blood pump and oxygenator system9 Apr 2026US 2026/0097160 A1Bioxy Med L.L.C-FZ
- Combined blood pump and oxygenator system9 Apr 2026US 2026/0097162 A1Bioxy Med L.L.C-FZ
- Va ecmo with pulmonary artery ventilation26 Mar 2026US 2026/0083887 A1CardiacAssist, Inc.
Most cited
By later US patents
- Circulatory support system260US 6,716,189 B1United States Surgical Corporation · 2004
- Apparatus for assisting blood circulation226US 5,449,342 ANippon Zeon Co., Ltd. · 1995
- Apparatus and methods for entering cavities of the body188US 6,709,418 B1A-Med Systems, Inc. · 2004
- Vacuum-assisted venous drainage reservoir for CPB systems157US 6,017,493 ABaxter International Inc. · 2000
- Perfusion system153US 5,823,986 AMedtronic, Inc. · 1998