A61M 1/28
Peritoneal dialysis
Official title: Peritoneal dialysis {; Other peritoneal treatment, e.g. oxygenation}
A61M1/28 (Peritoneal dialysis) appears on 1,731 US grants and 2,039 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,731
- Published applications
- 2,039
- Assignees
- 396
- Inventors
- 2,259
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 29 | 0 |
| 1998 | 30 | 0 |
| 1999 | 24 | 0 |
| 2000 | 20 | 0 |
| 2001 | 26 | 11 |
| 2002 | 19 | 30 |
| 2003 | 28 | 50 |
| 2004 | 18 | 34 |
| 2005 | 20 | 40 |
| 2006 | 20 | 31 |
| 2007 | 20 | 43 |
| 2008 | 15 | 49 |
| 2009 | 17 | 85 |
| 2010 | 35 | 68 |
| 2011 | 51 | 82 |
| 2012 | 60 | 86 |
| 2013 | 54 | 79 |
| 2014 | 65 | 86 |
| 2015 | 87 | 81 |
| 2016 | 60 | 71 |
| 2017 | 78 | 99 |
| 2018 | 73 | 94 |
| 2019 | 72 | 105 |
| 2020 | 85 | 135 |
| 2021 | 87 | 102 |
| 2022 | 85 | 136 |
| 2023 | 78 | 131 |
| 2024 | 112 | 117 |
| 2025 | 111 | 111 |
| 2026 | 78 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medical fluid drain containers and related systems and methods6 Oct 2026US 12,752,045 B2Fresenius Medical Care Holdings, Inc.
- Peritoneal dialysis cycler using micropump29 Sep 2026US 12,746,313 B2Vantive Health GmbH
- Automated peritoneal dialysis cycler having gravimetric control29 Sep 2026US 12,746,314 B2Vantive Health GmbH
- System, method and computer-implemented platform for providing patient-related information22 Sep 2026US 12,744,123 B2Liberdi Ltd.
- Device and method for verifying the correct setup of a blood treatment apparatus8 Sep 2026US 12,728,188 B2Fresenius Medical Care Deutschland GmbH
- Medical fluid generation system24 Sep 2026US 2026/0284285 A1Vantive Health GmbH
- Dialysis catheter including pressure and impedance sensors24 Sep 2026US 2026/0284288 A1Mozarc Medical US LLC
- Medicament Preparation Devices, Methods, and Systems24 Sep 2026US 2026/0284289 A1NxStage Medical, Inc.
- Gravity based dialysis system and device and method for therapy prescription optimisation17 Sep 2026US 2026/0273149 A1Vivatum PD AG
- Continuous ambulatory peritoneal dialysis device by manual operation17 Sep 2026US 2026/0273150 A1Gambro Lundia AB
Most cited
By later US patents
- Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow607US 5,350,357 ADEKA Products Limited Partnership · 1994
- Medical fluid pump572US 6,814,547 B2Baxter Healthcare S. A. · 2004
- Peritoneal dialysis system with variable pressure drive539US 5,938,634 ABaxter International Inc. · 1999
- Flow-through peritoneal dialysis systems and methods with on-line dialysis solution regeneration520US 6,254,567 B1NxStage Medical, Inc. · 2001
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997