A61M 1/3441
Substitution rate control as a function of the ultrafiltration rate
Official title: {Substitution rate control as a function of the ultrafiltration rate}
A61M1/3441 (Substitution rate control as a function of the ultrafiltration rate) appears on 266 US grants and 262 published applications in this corpus.
Search patents in A61M- Granted patents
- 266
- Published applications
- 262
- Assignees
- 86
- Inventors
- 355
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 4 |
| 2002 | 2 | 11 |
| 2003 | 13 | 4 |
| 2004 | 14 | 21 |
| 2005 | 6 | 19 |
| 2006 | 7 | 4 |
| 2007 | 7 | 6 |
| 2008 | 5 | 9 |
| 2009 | 2 | 8 |
| 2010 | 11 | 14 |
| 2011 | 3 | 14 |
| 2012 | 11 | 15 |
| 2013 | 12 | 16 |
| 2014 | 7 | 6 |
| 2015 | 24 | 14 |
| 2016 | 11 | 14 |
| 2017 | 9 | 9 |
| 2018 | 6 | 6 |
| 2019 | 13 | 12 |
| 2020 | 10 | 11 |
| 2021 | 8 | 13 |
| 2022 | 7 | 7 |
| 2023 | 8 | 8 |
| 2024 | 13 | 8 |
| 2025 | 13 | 6 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blood purification device25 Aug 2026US 12,714,771 B2Nikkiso Co., Ltd.
- Apparatus for extracorporeal treatment of blood including calculation of pre-blood pump infusion flow rate9 Jun 2026US 12,649,021 B2Gambro Lundia AB
- Techniques for dialysis based on relative blood volume7 Apr 2026US 12,594,366 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
- Dialysis apparatus which ultra-filters blood and a related method3 Feb 2026US 12,539,357 B2
- Method for operating a device for extracorporeal blood treatment, and device for extracorporeal blood treatment18 Jun 2026US 2026/0166207 A1
- Optimizing device for freely switching between blood cell component removal and plasma exchange22 Jan 2026US 2026/0021234 A1Xiangya Hospital Central South University
- Extracorporeal device and method for removal of secondary membrane1 Jan 2026US 2026/0000819 A1Fresenius Medical Care Holdings, Inc.
- Therapeutic plasma exchange systems and methods23 Oct 2025US 2025/0325737 A1Fenwal, Inc.
- A dialysis apparatus which ultra-filters blood and a related method28 Aug 2025US 2025/0269101 A1Ipswich Medical Research Limited
Most cited
By later US patents
- Technique for extracorporeal treatment of blood460US 5,910,252 ACobe Laboratories, Inc. · 1999
- 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
- Blood treatment systems and methods274US 8,409,441 B2DEKA Products Limited Partnership · 2013
- Medical fluid therapy flow balancing and synchronization system263US 7,029,456 B2Baxter Healthcare S. A. · 2006