A61M 1/3424
Substitution fluid path
Official title: {Substitution fluid path}
A61M1/3424 (Substitution fluid path) appears on 542 US grants and 509 published applications in this corpus.
Search patents in A61M- Granted patents
- 542
- Published applications
- 509
- Assignees
- 158
- Inventors
- 698
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 18 | 0 |
| 1998 | 19 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 10 |
| 2002 | 5 | 12 |
| 2003 | 8 | 12 |
| 2004 | 14 | 28 |
| 2005 | 8 | 21 |
| 2006 | 5 | 8 |
| 2007 | 14 | 14 |
| 2008 | 4 | 12 |
| 2009 | 11 | 14 |
| 2010 | 16 | 24 |
| 2011 | 8 | 22 |
| 2012 | 15 | 25 |
| 2013 | 17 | 27 |
| 2014 | 23 | 22 |
| 2015 | 30 | 26 |
| 2016 | 22 | 26 |
| 2017 | 24 | 29 |
| 2018 | 16 | 11 |
| 2019 | 33 | 31 |
| 2020 | 23 | 24 |
| 2021 | 21 | 29 |
| 2022 | 16 | 17 |
| 2023 | 21 | 28 |
| 2024 | 26 | 17 |
| 2025 | 24 | 11 |
| 2026 | 14 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods incorporating replacement fluid maximization11 Aug 2026US 12,702,738 B2Fenwal, Inc.
- Methods and devices for the enrichment of immunoglobulin from blood30 Jun 2026US 12,668,609 B2Haemonetics Corporation
- Apparatus for extracorporeal treatment of blood including calculation of pre-blood pump infusion flow rate9 Jun 2026US 12,649,021 B2Gambro Lundia AB
- Regional citrate anticoagulation infusion system, control method and system, and medium26 May 2026US 12,636,420 B2Shanghai Superb Medical Technology Co., Ltd
- Apparatus for extracorporeal blood treatment12 May 2026US 12,623,008 B2Gambro Lundia AB
- Dialysis system and methods20 Aug 2026US 2026/0241085 A1
- Compounds, systems, and techniques for removal of peripheral amyloid beta peptide with albumin binding competitors30 Jul 2026US 2026/0216415 A1Fresenius Medical Care Holdings, Inc.
- Disposable set, apparatus and procedure of blood recirculation in an extracorporeal blood treatment apparatus23 Jul 2026US 2026/0207836 A1Gambro Lundia AB
- 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
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
- Extracorporeal circulation apparatus437US 4,828,543 A1989
- Computer-control medical care system374US 4,464,172 A1984