A61M 1/3601
Extra-corporeal circuits in which the blood fluid passes more than once through
Official title: {Extra-corporeal circuits in which the blood fluid passes more than once through the treatment unit}
A61M1/3601 (Extra-corporeal circuits in which the blood fluid passes more than once through) appears on 301 US grants and 256 published applications in this corpus.
Search patents in A61M- Granted patents
- 301
- Published applications
- 256
- Assignees
- 123
- Inventors
- 466
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 5 |
| 2002 | 3 | 7 |
| 2003 | 6 | 6 |
| 2004 | 12 | 11 |
| 2005 | 6 | 8 |
| 2006 | 7 | 11 |
| 2007 | 5 | 10 |
| 2008 | 6 | 3 |
| 2009 | 3 | 6 |
| 2010 | 10 | 6 |
| 2011 | 3 | 8 |
| 2012 | 3 | 3 |
| 2013 | 7 | 10 |
| 2014 | 5 | 13 |
| 2015 | 4 | 9 |
| 2016 | 10 | 8 |
| 2017 | 6 | 8 |
| 2018 | 5 | 12 |
| 2019 | 5 | 10 |
| 2020 | 9 | 12 |
| 2021 | 11 | 16 |
| 2022 | 10 | 9 |
| 2023 | 9 | 14 |
| 2024 | 14 | 12 |
| 2025 | 17 | 19 |
| 2026 | 6 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, assemblies, and methods of trauma management29 Sep 2026US 12,746,316 B2Lazarus Technologies LLC
- Methods and systems for high-throughput blood component collection22 Sep 2026US 12,741,074 B2Terumo BCT, Inc.
- Venous drainage catheter for normothermic regional perfusion19 May 2026US 12,629,502 B1
- Trauma patient hemorrhage control including rapid autotransfusion17 Mar 2026US 12,576,198 B2Lazarus Technologies LLC
- Method and systems for high-throughput blood component collection10 Mar 2026US 12,569,610 B2Terumo BCT, Inc.
- Gas exchange tubing10 Sep 2026US 2026/0263670 A1ABIOMED, Inc.
- Methods of utilizing a pressure sensor to detect anomalous apheresis procedure events10 Sep 2026US 2026/0263678 A1Fenwal, Inc.
- Extracorporeal blood treatment tubing set and apparatus20 Aug 2026US 2026/0241084 A1Gambro Lundia AB
- Devices and methods for removing cancer cells from bloodstream during cancer metastasis20 Aug 2026US 2026/0241089 A1Miracle Heart
- Ambulatory System with ECMO Device13 Aug 2026US 2026/0232885 A1
Most cited
By later US patents
- Autologous blood recovery membrane system and method473US 5,055,198 A1991
- Device and method for separating plasma from a biological fluid268US 5,601,727 APall Corporation · 1997
- Blood processing systems using a peristaltic pump module with valve and sensing station for operating a peristaltic pump tube cassette252US 5,482,440 A1996
- Apheresis apparatus and method245US 5,494,592 AHaemonetics Corporation · 1996
- Pheresis apparatus223US 4,464,167 AHaemonetics Corporation · 1984