A61M 1/1635
With volume chamber balancing devices between used and fresh dialysis fluid
Official title: {with volume chamber balancing devices between used and fresh dialysis fluid}
A61M1/1635 (With volume chamber balancing devices between used and fresh dialysis fluid) appears on 278 US grants and 291 published applications in this corpus.
Search patents in A61M- Granted patents
- 278
- Published applications
- 291
- Assignees
- 51
- Inventors
- 281
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 5 |
| 2003 | 11 | 1 |
| 2004 | 3 | 10 |
| 2005 | 1 | 10 |
| 2006 | 4 | 1 |
| 2007 | 3 | 1 |
| 2008 | 3 | 9 |
| 2009 | 2 | 11 |
| 2010 | 4 | 6 |
| 2011 | 4 | 14 |
| 2012 | 5 | 18 |
| 2013 | 10 | 16 |
| 2014 | 10 | 9 |
| 2015 | 22 | 16 |
| 2016 | 9 | 16 |
| 2017 | 19 | 17 |
| 2018 | 13 | 15 |
| 2019 | 19 | 16 |
| 2020 | 13 | 17 |
| 2021 | 11 | 12 |
| 2022 | 15 | 19 |
| 2023 | 15 | 18 |
| 2024 | 14 | 15 |
| 2025 | 18 | 8 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dialysis treatment and machine25 Aug 2026US 12,714,769 B2Fresenius Medical Care Holdings, Inc.
- Method and device for disconnection25 Aug 2026US 12,714,770 B2Fresenius Medical Care Deutschland GmbH
- Dialysis machine and method of operating a balancing chamber system of a dialysis machine5 May 2026US 12,616,786 B2Fresenius Medical Care Deutschland GmbH
- Hemodiafiltration system with disposable pumping unit24 Feb 2026US 12,558,466 B2Vantive Health GmbH
- Hemodialysis system including a disposable set and a dialysis instrument20 Jan 2026US 12,527,898 B2Baxter Healthcare S. A.
- System using balancing chambers13 Aug 2026US 2026/0232882 A1Diality Inc.
- Pump device5 Mar 2026US 2026/0063117 A1Nikkiso Co., Ltd.
- Pump device26 Feb 2026US 2026/0053993 A1Nikkiso Co., Ltd.
- Device for dialysis treatment12 Feb 2026US 2026/0041826 A1Fresenius Medical Care Deutschland GmbH
- Peritoneal dialysis system using pressurized chamber and pumping bladder12 Feb 2026US 2026/0041830 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Method and apparatus for kidney dialysis736US 5,247,434 AAlthin Medical, Inc. · 1993
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge310US 6,579,253 B1NxStage Medical, Inc. · 2003
- Method and device for ultrafiltration during hemodialysis290US 4,997,570 AFresenius AG · 1991
- 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