A61M 1/14
Dialysis systems
Official title: Dialysis systems; Artificial kidneys; Blood oxygenators (semi-permeable membranes characterised by the material, manufacturing processes therefor B01D71/00){; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis}
A61M1/14 (Dialysis systems) appears on 6,438 US grants and 6,999 published applications in this corpus.
Search patents in A61M- Granted patents
- 6,438
- Published applications
- 6,999
- Assignees
- 1,440
- Inventors
- 7,830
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 23 | 0 |
| 1978 | 31 | 0 |
| 1979 | 30 | 0 |
| 1980 | 54 | 0 |
| 1981 | 37 | 0 |
| 1982 | 30 | 0 |
| 1983 | 30 | 0 |
| 1984 | 37 | 0 |
| 1985 | 25 | 0 |
| 1986 | 41 | 0 |
| 1987 | 55 | 0 |
| 1988 | 53 | 0 |
| 1989 | 49 | 0 |
| 1990 | 49 | 0 |
| 1991 | 49 | 0 |
| 1992 | 59 | 0 |
| 1993 | 56 | 0 |
| 1994 | 61 | 0 |
| 1995 | 59 | 0 |
| 1996 | 54 | 0 |
| 1997 | 103 | 0 |
| 1998 | 110 | 0 |
| 1999 | 100 | 0 |
| 2000 | 79 | 0 |
| 2001 | 87 | 39 |
| 2002 | 81 | 136 |
| 2003 | 130 | 156 |
| 2004 | 104 | 157 |
| 2005 | 96 | 165 |
| 2006 | 78 | 154 |
| 2007 | 71 | 133 |
| 2008 | 62 | 141 |
| 2009 | 76 | 213 |
| 2010 | 131 | 232 |
| 2011 | 136 | 216 |
| 2012 | 158 | 265 |
| 2013 | 208 | 305 |
| 2014 | 194 | 301 |
| 2015 | 234 | 321 |
| 2016 | 211 | 321 |
| 2017 | 278 | 383 |
| 2018 | 267 | 352 |
| 2019 | 362 | 401 |
| 2020 | 329 | 442 |
| 2021 | 307 | 405 |
| 2022 | 308 | 412 |
| 2023 | 273 | 395 |
| 2024 | 360 | 356 |
| 2025 | 381 | 351 |
| 2026 | 218 | 247 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Support member for an integrated blood treatment fluid module6 Oct 2026US 12,752,043 B2B. Braun Avitum AG
- Oxygenator with improved blood mixing6 Oct 2026US 12,752,044 B2CardiacAssist, Inc.
- Medical fluid drain containers and related systems and methods6 Oct 2026US 12,752,045 B2Fresenius Medical Care Holdings, Inc.
- Catheters and systems for direct injection of gas-enriched liquid into a patient6 Oct 2026US 12,752,078 B2Zoll Circulation, Inc.
- Peritoneal dialysis cycler using micropump29 Sep 2026US 12,746,313 B2Vantive Health GmbH
- Method and device for monitoring and optimizing a temporal trigger stability by means of a p-wave and/or t-wave8 Oct 2026US 2026/0306004 A1
- Device for producing dialysis liquid8 Oct 2026US 2026/0306725 A1
- System and method for detecting a concentrate container connected to a blood treatment device8 Oct 2026US 2026/0306726 A1Fresenius Medical Care Deutschland GmbH
- Pumping system and method for home healthcare devices8 Oct 2026US 2026/0306727 A1
- Method of making largesurface-area microfluidic devices and microfluidic lung manufactured using said method8 Oct 2026US 2026/0307174 A1The Regents of the University of Michigan
Most cited
By later US patents
- Method for enriching a bodily fluid with a gas1,051US 6,974,435 B2TherOx, Inc. · 2005
- Hemoglobin display and patient treatment792US 8,571,619 B2Masimo Corporation · 2013
- Method and apparatus for kidney dialysis736US 5,247,434 AAlthin Medical, Inc. · 1993
- Computer-control medical care system620US 4,370,983 A1983
- Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow607US 5,350,357 ADEKA Products Limited Partnership · 1994