A61M 1/3666
Cardiac or cardiopulmonary bypass
Official title: {Cardiac or cardiopulmonary bypass, e.g. heart-lung machines}
A61M1/3666 (Cardiac or cardiopulmonary bypass) appears on 536 US grants and 774 published applications in this corpus.
Search patents in A61M- Granted patents
- 536
- Published applications
- 774
- Assignees
- 282
- Inventors
- 1,010
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 3 |
| 2002 | 7 | 15 |
| 2003 | 13 | 11 |
| 2004 | 11 | 20 |
| 2005 | 9 | 9 |
| 2006 | 5 | 14 |
| 2007 | 6 | 14 |
| 2008 | 8 | 16 |
| 2009 | 9 | 21 |
| 2010 | 11 | 15 |
| 2011 | 8 | 19 |
| 2012 | 20 | 26 |
| 2013 | 31 | 20 |
| 2014 | 12 | 23 |
| 2015 | 20 | 33 |
| 2016 | 18 | 25 |
| 2017 | 15 | 43 |
| 2018 | 23 | 31 |
| 2019 | 29 | 49 |
| 2020 | 29 | 45 |
| 2021 | 21 | 49 |
| 2022 | 32 | 62 |
| 2023 | 41 | 58 |
| 2024 | 33 | 42 |
| 2025 | 51 | 59 |
| 2026 | 28 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blood reservoir with blood-handling assembly22 Sep 2026US 12,741,071 B2Sorin Group Italia S.r.l.
- Artificial lung system and its methods of use22 Sep 2026US 12,741,072 B2Breethe, Inc.
- Perfusion monitoring and control system15 Sep 2026US 12,734,283 B2Terumo Cardiovascular Systems Corporation
- System and method for ventricular assistance support during extracorporeal membrane oxygenation18 Aug 2026US 12,708,756 B2Abiomed Europe GmbH
- Modular heater cooler with disposable heat transfer fluid circuit11 Aug 2026US 12,702,735 B2LivaNova Deutschland GmbH
- Extracorporeal life support system with air purge control8 Oct 2026US 2026/0306728 A1LivaNova Deutschland GmbH
- Device and method for determination of a co2 partial pressure value on a blood side of an oxygenator24 Sep 2026US 2026/0284287 A1Abiomed Europe GmbH
- Heart lung machine with roller pump24 Sep 2026US 2026/0284291 A1LivaNova Deutschland GmbH
- System and method for reducing gaseous microemboli using venous blood bypass with filter17 Sep 2026US 2026/0273152 A1
- Dynamic control of subordinate pumps in a heart-lung-machine17 Sep 2026US 2026/0273158 A1LivaNova Deutschland GmbH
Most cited
By later US patents
- Hemostatic system and components for extracorporeal circuit379US 6,733,471 B1Medtronic, Inc. · 2004
- Method and apparatus for controlling fluid pumps304US 6,783,328 B2Terumo Cardiovascular Systems Corporation · 2004
- Circulatory support system260US 6,716,189 B1United States Surgical Corporation · 2004
- Apparatus for assisting blood circulation226US 5,449,342 ANippon Zeon Co., Ltd. · 1995
- Portable and modular cardiopulmonary bypass apparatus and associated aortic balloon catheter and associated method189US 5,383,854 AUniversity of Pittsburgh—Of the Commonwealth System of Higher Education · 1995