A61M 1/3455
Substitution fluids
Official title: {Substitution fluids}
A61M1/3455 (Substitution fluids) appears on 439 US grants and 432 published applications in this corpus.
Search patents in A61M- Granted patents
- 439
- Published applications
- 432
- Assignees
- 130
- Inventors
- 619
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 17 | 0 |
| 1998 | 15 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 6 |
| 2002 | 3 | 7 |
| 2003 | 17 | 11 |
| 2004 | 10 | 31 |
| 2005 | 4 | 19 |
| 2006 | 6 | 8 |
| 2007 | 16 | 16 |
| 2008 | 8 | 16 |
| 2009 | 7 | 10 |
| 2010 | 12 | 20 |
| 2011 | 6 | 24 |
| 2012 | 20 | 27 |
| 2013 | 14 | 29 |
| 2014 | 20 | 19 |
| 2015 | 30 | 23 |
| 2016 | 23 | 19 |
| 2017 | 16 | 21 |
| 2018 | 16 | 6 |
| 2019 | 21 | 15 |
| 2020 | 12 | 28 |
| 2021 | 12 | 14 |
| 2022 | 15 | 12 |
| 2023 | 16 | 14 |
| 2024 | 22 | 18 |
| 2025 | 15 | 11 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for extracorporeal blood treatment12 May 2026US 12,623,008 B2Gambro Lundia AB
- Dialysis machine and method of operating a balancing chamber system of a dialysis machine5 May 2026US 12,616,786 B2Fresenius Medical Care Deutschland GmbH
- Optimizing device for freely switching between blood cell component removal and plasma exchange7 Apr 2026US 12,594,370 B2Xiangya Hospital Central South University
- Extracorporeal blood disinfection systems and methods10 Feb 2026US 12,544,499 B2Radiatric Inc
- Dialysis apparatus which ultra-filters blood and a related method3 Feb 2026US 12,539,357 B2
- Extracorporeal blood treatment device with shortened disinfection time13 Aug 2026US 2026/0232881 A1
- Method for operating a device for extracorporeal blood treatment, and device for extracorporeal blood treatment18 Jun 2026US 2026/0166207 A1
- Extracorporeal blood treatment apparatus28 May 2026US 2026/0144923 A1Gambro Lundia AB
- Hemodialysis device9 Apr 2026US 2026/0097158 A1Shibuya Corporation
- Extracorporeal bioengineered dual-cell liver regeneration system (ebdlr) and bio purifier therefor19 Feb 2026US 2026/0048190 A1
Most cited
By later US patents
- Computer-control medical care system620US 4,370,983 A1983
- 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
- Computer-control medical care system374US 4,464,172 A1984
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge310US 6,579,253 B1NxStage Medical, Inc. · 2003