A61M 1/1698
Blood oxygenators with or without heat-exchangers
Official title: {Blood oxygenators with or without heat-exchangers (intracorporal A61M1/1678; manufacturing of membranes therefor B01D67/00; semi-permeable membranes for separation processes characterised by their properties B01D69/00; semi-permeable membranes characterised by their material B01D71/00)}
A61M1/1698 (Blood oxygenators with or without heat-exchangers) appears on 794 US grants and 898 published applications in this corpus.
Search patents in A61M- Granted patents
- 794
- Published applications
- 898
- Assignees
- 369
- Inventors
- 1,481
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 22 | 0 |
| 1994 | 15 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 27 | 0 |
| 1999 | 21 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 5 |
| 2002 | 12 | 16 |
| 2003 | 18 | 19 |
| 2004 | 12 | 20 |
| 2005 | 15 | 17 |
| 2006 | 7 | 14 |
| 2007 | 5 | 19 |
| 2008 | 6 | 16 |
| 2009 | 6 | 20 |
| 2010 | 12 | 25 |
| 2011 | 11 | 19 |
| 2012 | 19 | 25 |
| 2013 | 27 | 22 |
| 2014 | 20 | 31 |
| 2015 | 21 | 37 |
| 2016 | 20 | 36 |
| 2017 | 24 | 54 |
| 2018 | 22 | 45 |
| 2019 | 43 | 42 |
| 2020 | 35 | 62 |
| 2021 | 28 | 64 |
| 2022 | 39 | 61 |
| 2023 | 41 | 51 |
| 2024 | 43 | 53 |
| 2025 | 64 | 65 |
| 2026 | 33 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxygenator with improved blood mixing6 Oct 2026US 12,752,044 B2CardiacAssist, Inc.
- Systems, assemblies, and methods of trauma management29 Sep 2026US 12,746,316 B2Lazarus Technologies LLC
- Artificial lung system and its methods of use22 Sep 2026US 12,741,072 B2Breethe, Inc.
- Extracorporeal blood pump assembly and methods of assembling same15 Sep 2026US 12,734,350 B2Tc1 LLC
- Approaches to mitigating pressure applied to immobilized patients undergoing treatment by underlying surfaces and associated systems1 Sep 2026US 12,721,936 B2TurnCare, Inc.
- Method of making largesurface-area microfluidic devices and microfluidic lung manufactured using said method8 Oct 2026US 2026/0307174 A1The Regents of the University of Michigan
- Connection piece and substance exchange device with connection piece1 Oct 2026US 2026/0295133 A1enmodes 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
- System and method for reducing gaseous microemboli using venous blood bypass with filter17 Sep 2026US 2026/0273152 A1
- System and method for controlling oxygen-enrichment therapy based on microvascular resistance feedback17 Sep 2026US 2026/0273153 A1Zoll Circulation, Inc.
Most cited
By later US patents
- Extracorporeal circulation apparatus437US 4,828,543 A1989
- Retrograde perfusion monitoring and control system244US 6,110,139 A2000
- Extracorporeal blood oxygenation system incorporating integrated reservoir-membrane oxygenerator-heat exchanger and pump assembly220US 5,270,005 ABaxter International Inc. · 1993
- 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
- Method for the preparation and delivery of gas-enriched fluids188US 6,180,059 B2TherOx, Inc. · 2001