A61M 39/223
Multiway valves
Official title: {Multiway valves}
A61M39/223 (Multiway valves) appears on 763 US grants and 957 published applications in this corpus.
Search patents in A61M- Granted patents
- 763
- Published applications
- 957
- Assignees
- 422
- Inventors
- 1,672
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 5 |
| 2002 | 6 | 9 |
| 2003 | 7 | 8 |
| 2004 | 5 | 11 |
| 2005 | 8 | 21 |
| 2006 | 7 | 26 |
| 2007 | 12 | 36 |
| 2008 | 13 | 38 |
| 2009 | 11 | 25 |
| 2010 | 24 | 32 |
| 2011 | 27 | 26 |
| 2012 | 11 | 18 |
| 2013 | 31 | 34 |
| 2014 | 22 | 48 |
| 2015 | 25 | 46 |
| 2016 | 27 | 54 |
| 2017 | 38 | 51 |
| 2018 | 32 | 49 |
| 2019 | 42 | 56 |
| 2020 | 43 | 57 |
| 2021 | 42 | 65 |
| 2022 | 52 | 54 |
| 2023 | 52 | 63 |
| 2024 | 51 | 43 |
| 2025 | 45 | 44 |
| 2026 | 24 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inflation control valve29 Sep 2026US 12,746,139 B2Djo, LLC
- Surgical access port8 Sep 2026US 12,727,912 B2Applied Medical Resources Corporation
- Catheter device, comprising a valve for controlling a fluid flow through a catheter1 Sep 2026US 12,721,990 B2Ecp Entwicklungsgesellschaft Mbh
- Closed stopcock1 Sep 2026US 12,723,665 B2Elcam Medical Agricultural Cooperative Association Ltd.
- X-bar stopcock device for pulmonary artery catheterization11 Aug 2026US 12,702,813 B2The Regents of the University of Michigan
- Device for automatically threading guide wire into valve and fully-automatic radiography robot8 Oct 2026US 2026/0306197 A1Shenzhen Institute of Advanced Biomedical Robot Co., Ltd.
- Full-automatic foaming apparatus and method24 Sep 2026US 2026/0284299 A1Carefree Heartbeat Medical Technology (Shenzhen) Co., Ltd.
- Methods employing gaseous nitric oxide for inhibiting tumor growth24 Sep 2026US 2026/0284331 A1Beyond Air, Inc.
- Valve for a medical device20 Aug 2026US 2026/0240412 A1Boston Scientific Scimed, Inc.
- Ventricular assist system, flushing method, and control apparatus for medical catheter pump system13 Aug 2026US 2026/0232982 A1Magassist, Inc.
Most cited
By later US patents
- Vented vacuum bandage with irrigation for wound healing and method460US 7,195,624 B2Hill-Rom Services, Inc. · 2007
- Six-way stopcock274US 3,957,082 AArbrook, Inc. · 1976
- Fluid filtration device and system265US 9,867,914 B2Buffalo Filter LLC · 2018
- Tissue removal assembly with provision for an electro-cautery device264US 5,335,671 AMectra Labs, Inc. · 1994
- Lavage with tissue cutting cannula259US 5,505,210 AMectra Labs, Inc. · 1996