A61M 39/22
Valves or arrangement of valves
Official title: Valves or arrangement of valves {(A61M39/02, A61M39/0247, A61M39/16 take precedence; regulating valves in infusion systems A61M5/16881; in devices worn by the patient for the reception of urine, faeces, catamenial or other discharge, or in colostomy devices A61F5/4405)}
A61M39/22 (Valves or arrangement of valves) appears on 5,343 US grants and 6,396 published applications in this corpus.
Search patents in A61M- Granted patents
- 5,343
- Published applications
- 6,396
- Assignees
- 1,877
- Inventors
- 8,706
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 16 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 22 | 0 |
| 1981 | 24 | 0 |
| 1982 | 24 | 0 |
| 1983 | 14 | 0 |
| 1984 | 25 | 0 |
| 1985 | 14 | 0 |
| 1986 | 27 | 0 |
| 1987 | 31 | 0 |
| 1988 | 26 | 0 |
| 1989 | 33 | 0 |
| 1990 | 37 | 0 |
| 1991 | 30 | 0 |
| 1992 | 45 | 0 |
| 1993 | 54 | 0 |
| 1994 | 51 | 0 |
| 1995 | 64 | 0 |
| 1996 | 53 | 0 |
| 1997 | 44 | 0 |
| 1998 | 75 | 0 |
| 1999 | 35 | 0 |
| 2000 | 62 | 0 |
| 2001 | 52 | 23 |
| 2002 | 47 | 71 |
| 2003 | 55 | 83 |
| 2004 | 49 | 97 |
| 2005 | 59 | 127 |
| 2006 | 58 | 185 |
| 2007 | 44 | 156 |
| 2008 | 60 | 177 |
| 2009 | 58 | 173 |
| 2010 | 119 | 184 |
| 2011 | 145 | 197 |
| 2012 | 141 | 200 |
| 2013 | 192 | 245 |
| 2014 | 179 | 279 |
| 2015 | 199 | 290 |
| 2016 | 218 | 365 |
| 2017 | 243 | 379 |
| 2018 | 268 | 360 |
| 2019 | 345 | 379 |
| 2020 | 328 | 370 |
| 2021 | 254 | 407 |
| 2022 | 281 | 362 |
| 2023 | 309 | 377 |
| 2024 | 325 | 363 |
| 2025 | 284 | 334 |
| 2026 | 179 | 213 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 39/24Check- or non-return valves1,734
- A61M 39/26Valves closing automatically on disconnecting the line and opening on reconnection thereof1,266
- A61M 39/28Clamping means for squeezing flexible tubes1,095
- A61M 39/223Multiway valves763
- A61M 39/229Single-way cut-off valves284
- A61M 2039/226Spindles or actuating meansIndexing code225
- A61M 39/227Valves actuated by a secondary fluid196
- A61M 39/221Frangible or pierceable closures within tubing166
All 9 subgroupsShow fewer
Recent patents
- Medical connectors6 Oct 2026US 12,752,093 B2ICU Medical, Inc.
- Clamping device for medical apparatus6 Oct 2026US 12,752,096 B2Maco Pharma
- Precision-controlled conduit restriction device6 Oct 2026US 12,752,097 B2Renal Devices Inc.
- System of valves for cell culture machine6 Oct 2026US 12,753,847 B2Cellaven
- Surgical suction device that uses positive pressure gas29 Sep 2026US 12,745,935 B2Conmed Corporation
- 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.
- Cleaning device for private parts8 Oct 2026US 2026/0306732 A1Shenzhen Hengnengda Technology Co., Ltd.
- Catheter with inflatable expansion tube structure8 Oct 2026US 2026/0306793 A1
- Venticular Shunt System8 Oct 2026US 2026/0306807 A1Queen's University at Kingston
- Ingestible devices, assemblies, and methods for delivering a therapeutic agent8 Oct 2026US 2026/0306810 A1Rani Therapeutics, LLC
Most cited
By later US patents
- Robotic surgical instruments with a fluid flow control system for irrigation, aspiration, and blowing2,107US 8,241,271 B2Intuitive Surgical Operations, Inc. · 2012
- Irrigation system for endoscopic surgery1,585US 6,358,224 B1Tyco Healthcare Group LP · 2002
- Modular infusion device and method1,554US 6,749,587 B2Insulet Corporation · 2004
- Vacuum assisted wound dressing1,328US 8,715,256 B2Smith & Nephew, Inc. · 2014
- Programmable infusion system910US 5,078,683 ABlock Medical, Inc. · 1992