A61M 39/281
Automatic tube cut-off devices
Official title: {Automatic tube cut-off devices, e.g. squeezing tube on detection of air}
A61M39/281 (Automatic tube cut-off devices) appears on 294 US grants and 283 published applications in this corpus.
Search patents in A61M- Granted patents
- 294
- Published applications
- 283
- Assignees
- 126
- Inventors
- 555
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 6 | 10 |
| 2003 | 7 | 10 |
| 2004 | 7 | 6 |
| 2005 | 4 | 8 |
| 2006 | 4 | 8 |
| 2007 | 2 | 5 |
| 2008 | 7 | 6 |
| 2009 | 1 | 5 |
| 2010 | 4 | 9 |
| 2011 | 7 | 18 |
| 2012 | 5 | 10 |
| 2013 | 9 | 8 |
| 2014 | 8 | 11 |
| 2015 | 13 | 14 |
| 2016 | 14 | 11 |
| 2017 | 12 | 9 |
| 2018 | 8 | 20 |
| 2019 | 14 | 18 |
| 2020 | 14 | 12 |
| 2021 | 10 | 15 |
| 2022 | 16 | 18 |
| 2023 | 11 | 11 |
| 2024 | 12 | 20 |
| 2025 | 11 | 15 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cassette with free flow prevention for infusion pump1 Sep 2026US 12,721,991 B2B. Braun Medical Inc.
- Medicament preparation devices, methods, and systems30 Jun 2026US 12,667,652 B2NxStage Medical, Inc.
- Integrated liquid flow closed loop sensing and control24 Mar 2026US 12,582,771 B2CareFusion 303, Inc.
- Fluid line autoconnect apparatus and methods for medical treatment system17 Feb 2026US 12,551,605 B2DEKA Products Limited Partnership
- Medical treatment system and methods using a plurality of fluid lines10 Feb 2026US 12,544,494 B2DEKA Products Limited Partnership
- Medicament Preparation Devices, Methods, and Systems24 Sep 2026US 2026/0284289 A1NxStage Medical, Inc.
- Intravenous line strap with dislodgement protection13 Aug 2026US 2026/0232900 A1CareFusion 303, Inc.
- Integrated flow stop system30 Jul 2026US 2026/0216430 A1CareFusion 303, Inc.
- Medical Pump4 Jun 2026US 2026/0151560 A1DEKA Products Limited Partnership
- Fluid line autoconnect apparatus and methods for medical treatment system21 May 2026US 2026/0137849 A1DEKA Products Limited Partnership
Most cited
By later US patents
- Modular infusion device and method1,554US 6,749,587 B2Insulet Corporation · 2004
- Programmable infusion system910US 5,078,683 ABlock Medical, Inc. · 1992
- Ambulatory infusion pump686US 5,630,710 ABaxter International Inc. · 1997
- Ambulatory infusion pump679US 5,482,446 ABaxter International Inc. · 1996
- Laminated patient infusion device601US 6,669,669 B2Insulet Corporation · 2003