A61M 1/306
Pressure control
Official title: {Pressure control, e.g. using substantially rigid closed or gas buffered or elastic reservoirs}
A61M1/306 (Pressure control) appears on 57 US grants and 28 published applications in this corpus.
Search patents in A61M- Granted patents
- 57
- Published applications
- 28
- Assignees
- 29
- Inventors
- 105
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 2 | 0 |
| 2016 | 2 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 4 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Blood purification apparatus19 Mar 2024US 11,931,498 B2Nikkiso Co., Ltd.
- Blood treatment systems13 Feb 2024US 11,896,749 B2Fresenius Medical Care Deutschland GmbH
- Medical fluid cassettes and related systems28 Nov 2023US 11,826,503 B2Children's Healthcare of Atlanta, Inc.
- Systems and methods for monitoring a fluid procedure using hydrostatic pressure25 Apr 2023US 11,633,524 B2Fenwal, Inc.
- Blood chamber lid having integrated blood filter and vent6 Sep 2022US 11,433,171 B2Illinois Tool Works Inc.
- Blood purification apparatus16 May 2024US 2024/0157037 A1Nikkiso Co., Ltd.
- Systems and methods for monitoring a fluid procedure13 Jul 2023US 2023/0218807 A1Fenwal, Inc.
- Blood Treatment Systems13 May 2021US 2021/0138135 A1Fresenius Medical Care Deutschland GmbH
- Blood chamber lid having integrated blood filter and vent17 Dec 2020US 2020/0390957 A1Illinois Tool Works Inc.
- Medical Fluid Cassettes and Related Systems24 Sep 2020US 2020/0297910 A1Emory University
Most cited
By later US patents
- Prepackaged fluid processing module having pump and valve elements operable in response to applied pressures458US 4,479,762 ABaxter Travenol Laboratories, Inc. · 1984
- Dialysis instrument with dialysate side pump for moving body fluids336US 4,661,246 AAsh Medical Systems, Inc. · 1987
- Blood extraction and reinfusion flow control system and method276US 4,657,529 AHemascience Laboratories, Inc. · 1987
- Combined hemofiltration and hemodialysis system264US 5,114,580 AThe Board of Regents of the University of Washington · 1992
- Single needle recirculation system for harvesting blood components179US 5,437,624 ACobe Laboratories, Inc. · 1995