A61M 2025/0076
Unidirectional valves
Official title: {Unidirectional valves}
A61M2025/0076 (Unidirectional valves) appears on 328 US grants and 371 published applications in this corpus.
Search patents in A61M- Granted patents
- 328
- Published applications
- 371
- Assignees
- 142
- Inventors
- 577
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 8 |
| 2002 | 8 | 12 |
| 2003 | 14 | 21 |
| 2004 | 7 | 18 |
| 2005 | 12 | 8 |
| 2006 | 10 | 11 |
| 2007 | 10 | 13 |
| 2008 | 6 | 10 |
| 2009 | 6 | 12 |
| 2010 | 10 | 24 |
| 2011 | 10 | 17 |
| 2012 | 7 | 15 |
| 2013 | 13 | 10 |
| 2014 | 15 | 21 |
| 2015 | 13 | 10 |
| 2016 | 11 | 19 |
| 2017 | 8 | 12 |
| 2018 | 10 | 19 |
| 2019 | 14 | 15 |
| 2020 | 13 | 23 |
| 2021 | 11 | 22 |
| 2022 | 5 | 9 |
| 2023 | 17 | 12 |
| 2024 | 15 | 11 |
| 2025 | 13 | 11 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, devices and methods for draining and analyzing bodily fluids4 Aug 2026US 12,697,466 B2Potrero Medical, Inc.
- Balloon catheter4 Aug 2026US 12,697,471 B2Sanford Health
- Therapeutic treatment device with inverted braided vessel occluder28 Jul 2026US 12,690,870 B2TriSalus Life Sciences, Inc.
- Catheter systems and methods for medical procedures using catheters16 Jun 2026US 12,653,991 B2Cerevasc, Inc.
- Catheter insertion devices9 Jun 2026US 12,649,048 B2St. Jude Medical, Cardiology Division, Inc.
- Catheter systems and methods for medical procedures using catheters17 Sep 2026US 2026/0273244 A1Cerevasc, Inc.
- Diffusion catheter systems for delivery of fluid-based therapies30 Jul 2026US 2026/0216474 A1Mayo Foundation for Medical Education and Research
- Aspiration catheters having adjustable flaps18 Jun 2026US 2026/0165719 A1Covidien LP
- Multi-contact intracerebral functional exploration probe with an integrated drug delivery system18 Jun 2026US 2026/0166281 A1
- Intratumoral infusion catheter21 May 2026US 2026/0137902 A1
Most cited
By later US patents
- Endovascular aortic valve replacement1,735US 5,370,685 AStanford Surgical Technologies, Inc. · 1994
- Methods and apparatus for bypassing arterial obstructions and/or performing other transvascular procedures1,703US 6,190,353 B1TransVascular, Inc. · 2001
- Endovascular aortic valve replacement1,284US 5,545,214 AHeartport, Inc. · 1996
- Catheter with retractable cannula for delivering a plurality of chemicals1,119US 5,236,424 ACardiac Pathways Corporation · 1993
- System for cardiac procedures1,074US 5,769,812 AHeartport, Inc. · 1998