A61M 1/3641
Pressure isolators
Official title: {Pressure isolators}
A61M1/3641 (Pressure isolators) appears on 237 US grants and 175 published applications in this corpus.
Search patents in A61M- Granted patents
- 237
- Published applications
- 175
- Assignees
- 79
- Inventors
- 375
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 18 | 0 |
| 1998 | 19 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 4 | 8 |
| 2003 | 6 | 5 |
| 2004 | 6 | 8 |
| 2005 | 6 | 6 |
| 2006 | 3 | 6 |
| 2007 | 7 | 16 |
| 2008 | 5 | 4 |
| 2009 | 11 | 9 |
| 2010 | 7 | 8 |
| 2011 | 8 | 8 |
| 2012 | 13 | 8 |
| 2013 | 9 | 9 |
| 2014 | 3 | 9 |
| 2015 | 7 | 5 |
| 2016 | 6 | 7 |
| 2017 | 9 | 5 |
| 2018 | 3 | 8 |
| 2019 | 8 | 7 |
| 2020 | 5 | 5 |
| 2021 | 5 | 8 |
| 2022 | 5 | 10 |
| 2023 | 3 | 3 |
| 2024 | 10 | 1 |
| 2025 | 6 | 5 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure cell holder for an extracorporeal blood treatment machine30 Dec 2025US 12,508,356 B2B. Braun Avitum AG
- Medical appliance for extracorporeal blood treatment2 Dec 2025US 12,485,209 B2B. Braun Avitum AG
- Extracorporeal blood treatment machine comprising a poka-yoke for a pressure sensor2 Sep 2025US 12,403,232 B2B. Braun Avitum AG
- Dialysis systems and methods19 Aug 2025US 12,390,565 B2Outset Medical, Inc.
- Medical device and method of manufacturing the same10 Jun 2025US 12,324,878 B2Nikkiso Co., Ltd.
- Pressure detection device16 Jul 2026US 2026/0202275 A1Surpass Industry Co., Ltd.
- Connection device for measuring physical quantities of a fluid16 Jul 2026US 2026/0202276 A1
- Systems and methods for an improved pressure sensing cannula25 Jun 2026US 2026/0174348 A1Regional Perfusion Services LLC
- Pressure measurement unit, diaphragm chamber, and blood circuit11 Jun 2026US 2026/0158196 A1Nipro Corporation
- Dialysis system and methods14 May 2026US 2026/0131059 A1
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
- Extracorporeal circulation apparatus437US 4,828,543 A1989
- Computer-control medical care system374US 4,464,172 A1984
- Apparatus for use with fluid flow transfer device261US 4,666,598 ACobe Laboratories, Inc. · 1987