A61M 2205/331
Used as turbidity change detectors
Official title: used as turbidity change detectors, e.g. for priming-blood or plasma-hemoglubine-interface detection
A61M2205/331 (Used as turbidity change detectors) appears on 241 US grants and 225 published applications in this corpus.
Search patents in A61M- Granted patents
- 241
- Published applications
- 225
- Assignees
- 81
- Inventors
- 367
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 12 |
| 2003 | 9 | 10 |
| 2004 | 11 | 12 |
| 2005 | 13 | 15 |
| 2006 | 6 | 10 |
| 2007 | 9 | 14 |
| 2008 | 11 | 11 |
| 2009 | 3 | 9 |
| 2010 | 10 | 7 |
| 2011 | 5 | 6 |
| 2012 | 3 | 4 |
| 2013 | 9 | 7 |
| 2014 | 10 | 8 |
| 2015 | 3 | 3 |
| 2016 | 2 | 2 |
| 2017 | 5 | 9 |
| 2018 | 5 | 10 |
| 2019 | 2 | 7 |
| 2020 | 6 | 6 |
| 2021 | 7 | 9 |
| 2022 | 6 | 8 |
| 2023 | 6 | 13 |
| 2024 | 8 | 17 |
| 2025 | 9 | 10 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for high-throughput blood component collection22 Sep 2026US 12,741,074 B2Terumo BCT, Inc.
- Apparatus for extracorporeal blood treatment11 Aug 2026US 12,702,734 B2Gambro Lundia AB
- Peristaltic pumping device and medical apparatus, in particular for dialysis, incorporating it21 Apr 2026US 12,607,179 B2COREQUEST Sagl
- Method and systems for high-throughput blood component collection10 Mar 2026US 12,569,610 B2Terumo BCT, Inc.
- Air detection system and method for detecting air in a pump of an infusion system10 Mar 2026US 12,571,665 B2ICU Medical, Inc.
- Systems and methods of enhanced peritonitis detection and ultrafiltration monitoring11 Jun 2026US 2026/0158199 A1Fresenius Medical Care Holdings, Inc.
- Smart valved holding chamber19 Feb 2026US 2026/0048210 A1Trudell Medical International
- Methods And Systems For High-Throughput Blood Component Collection15 Jan 2026US 2026/0014308 A1Terumo BCT, Inc.
- Fluid control and bypass features for an apheresis system27 Nov 2025US 2025/0360259 A1Terumo BCT, Inc.
- Primary containers with improved protein drug stability and lower immune response30 Oct 2025US 2025/0332351 A1Sio2 Medical Products, Inc.
Most cited
By later US patents
- Computer-control medical care system620US 4,370,983 A1983
- Computer-control medical care system374US 4,464,172 A1984
- Apheresis apparatus and method245US 5,494,592 AHaemonetics Corporation · 1996
- Programmable, fluid pressure actuated blood processing systems and methods236US 6,949,079 B1Baxter International Inc. · 2005
- Apparatus for peritoneal dialysis234US 4,618,343 AFresenius AG · 1986