A61F 2/014
Retrograde blood flow filters, i.e. device inserted against the blood flow direction
Official title: {Retrograde blood flow filters, i.e. device inserted against the blood flow direction}
A61F2/014 (Retrograde blood flow filters, i.e. device inserted against the blood flow direction) appears on 139 US grants and 209 published applications in this corpus.
Search patents in A61F- Granted patents
- 139
- Published applications
- 209
- Assignees
- 79
- Inventors
- 188
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 3 |
| 2002 | 4 | 7 |
| 2003 | 4 | 11 |
| 2004 | 3 | 3 |
| 2005 | 4 | 5 |
| 2006 | 0 | 12 |
| 2007 | 0 | 5 |
| 2008 | 4 | 2 |
| 2009 | 4 | 2 |
| 2010 | 4 | 6 |
| 2011 | 2 | 8 |
| 2012 | 6 | 8 |
| 2013 | 5 | 10 |
| 2014 | 7 | 9 |
| 2015 | 6 | 6 |
| 2016 | 7 | 7 |
| 2017 | 7 | 9 |
| 2018 | 4 | 3 |
| 2019 | 5 | 9 |
| 2020 | 6 | 18 |
| 2021 | 12 | 13 |
| 2022 | 9 | 12 |
| 2023 | 5 | 14 |
| 2024 | 6 | 7 |
| 2025 | 12 | 9 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for delivery of medical devices to a cardiac valve28 Apr 2026US 12,611,294 B2Emboline, Inc.
- Proximal embolic protection device for carotid stenting7 Apr 2026US 12,594,155 B2Boston Scientific Scimed, Inc.
- Device and method for delivery of medical devices to a cardiac valve27 Jan 2026US 12,533,222 B2Emboline, Inc.
- Closed tip dynamic microvalve protection device23 Dec 2025US 12,502,479 B2TriSalus Life Sciences, Inc.
- Embolic filter system11 Nov 2025US 12,465,478 B2W. L. Gore & Associates, Inc.
- Filter Screen Sheath8 Oct 2026US 2026/0306240 A1Shenzhen Intervenet Medical Technology Co., Ltd.
- Apparatus and methods for providing embolic protection during a transcatheter operation20 Aug 2026US 2026/0240637 A1Oxford University Innovation Limited
- Proximal embolic protection device for carotid stenting20 Aug 2026US 2026/0240638 A1Boston Scientific Scimed, Inc.
- Branch point flow diversion device20 Aug 2026US 2026/0240640 A1Thru-Flo Endovascular, Inc.
- Guide flex system for delivery handle for prosthetic valve delivery systems30 Jul 2026US 2026/0215920 A1MiRus LLC
Most cited
By later US patents
- Nonstented heart valves with formed in situ support1,449US 7,534,259 B2Direct Flow Medical, Inc. · 2009
- Perfusion filter catheter1,003US 6,361,545 B1Cardeon Corporation · 2002
- Percutaneous catheter and guidewire having filter and medical device deployment capabilities985US 5,911,734 AEmbol-X, Inc. · 1999
- Distal protection device916US 5,814,064 ASciMed Life Systems, Inc. · 1998
- Method of protecting a patient from embolization during cardiac surgery871US 6,042,598 AEmbol-X, Inc. · 2000