A61M 1/3646
Expelling the residual body fluid after use
Official title: {Expelling the residual body fluid after use, e.g. back to the body}
A61M1/3646 (Expelling the residual body fluid after use) appears on 304 US grants and 275 published applications in this corpus.
Search patents in A61M- Granted patents
- 304
- Published applications
- 275
- Assignees
- 80
- Inventors
- 402
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 18 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 5 |
| 2003 | 8 | 4 |
| 2004 | 4 | 11 |
| 2005 | 2 | 5 |
| 2006 | 4 | 4 |
| 2007 | 5 | 4 |
| 2008 | 2 | 3 |
| 2009 | 5 | 5 |
| 2010 | 6 | 9 |
| 2011 | 2 | 15 |
| 2012 | 3 | 9 |
| 2013 | 10 | 17 |
| 2014 | 8 | 14 |
| 2015 | 14 | 19 |
| 2016 | 18 | 15 |
| 2017 | 14 | 15 |
| 2018 | 11 | 14 |
| 2019 | 15 | 13 |
| 2020 | 15 | 16 |
| 2021 | 15 | 13 |
| 2022 | 7 | 11 |
| 2023 | 14 | 21 |
| 2024 | 16 | 19 |
| 2025 | 14 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for high-throughput blood component collection22 Sep 2026US 12,741,074 B2Terumo BCT, Inc.
- Apparatuses, systems, and methods for plasma rinseback31 Mar 2026US 12,589,194 B2Terumo BCT, Inc.
- Method and systems for high-throughput blood component collection10 Mar 2026US 12,569,610 B2Terumo BCT, Inc.
- Method for temporarily interrupting an extracorporeal blood treatment, control device and blood treatment apparatus3 Mar 2026US 12,564,666 B2Fresenius Medical Care Deutschland GmbH
- Blood purification apparatus24 Feb 2026US 12,558,467 B2Nikkiso Co., Ltd.
- Dialysis system and methods20 Aug 2026US 2026/0241085 A1
- Blood purification device12 Feb 2026US 2026/0041833 A1Nikkiso Co., Ltd.
- Blood Purification Apparatus5 Feb 2026US 2026/0034282 A1Nikkiso Co., Ltd.
- Syringe-free blood return22 Jan 2026US 2026/0021232 A1Fresenius Medical Care Deutschland GmbH
- Methods And Systems For High-Throughput Blood Component Collection15 Jan 2026US 2026/0014308 A1Terumo BCT, Inc.
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Technique for extracorporeal treatment of blood460US 5,910,252 ACobe Laboratories, Inc. · 1999
- Integrated cassette for controlling fluid having an integral filter430US 6,491,656 B1Therakos, Inc. · 2002
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge310US 6,579,253 B1NxStage Medical, Inc. · 2003
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge281US 6,852,090 B2NxStage Medical, Inc. · 2005