A61M 1/3465
Using dialysate as substitution fluid
Official title: {using dialysate as substitution fluid}
A61M1/3465 (Using dialysate as substitution fluid) appears on 213 US grants and 181 published applications in this corpus.
Search patents in A61M- Granted patents
- 213
- Published applications
- 181
- Assignees
- 48
- Inventors
- 284
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 3 | 5 |
| 2003 | 4 | 4 |
| 2004 | 4 | 5 |
| 2005 | 2 | 6 |
| 2006 | 2 | 1 |
| 2007 | 4 | 5 |
| 2008 | 2 | 2 |
| 2009 | 2 | 5 |
| 2010 | 3 | 9 |
| 2011 | 4 | 10 |
| 2012 | 7 | 14 |
| 2013 | 5 | 15 |
| 2014 | 10 | 9 |
| 2015 | 21 | 16 |
| 2016 | 10 | 9 |
| 2017 | 7 | 8 |
| 2018 | 11 | 3 |
| 2019 | 9 | 8 |
| 2020 | 10 | 11 |
| 2021 | 4 | 7 |
| 2022 | 7 | 5 |
| 2023 | 8 | 4 |
| 2024 | 13 | 10 |
| 2025 | 7 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dialysis machine and method of operating a balancing chamber system of a dialysis machine5 May 2026US 12,616,786 B2Fresenius Medical Care Deutschland GmbH
- Hemodialysis system including a disposable set and a dialysis instrument20 Jan 2026US 12,527,898 B2Baxter Healthcare S. A.
- Extracorporeal blood filtering machine and methods30 Dec 2025US 12,508,351 B2Nuwellis, Inc.
- Extracorporeal device and method for removal of secondary membrane25 Nov 2025US 12,478,717 B2Fresenius Medical Care Holdings, Inc.
- Extracorporeal blood filtering machine and methods16 Sep 2025US 12,415,021 B2Nuwellis, Inc.
- 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
- Hemodialysis device9 Apr 2026US 2026/0097158 A1Shibuya Corporation
- Extracorporeal device and method for removal of secondary membrane1 Jan 2026US 2026/0000819 A1Fresenius Medical Care Holdings, Inc.
- Dialyzer for Blood Treatment and Corresponding System28 Aug 2025US 2025/0269098 A1Fresenius Medical Care Deutschland GmbH
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
- Computer-control medical care system374US 4,464,172 A1984
- Blood treatment systems and methods274US 8,409,441 B2DEKA Products Limited Partnership · 2013
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999