A61F 2/01
Filters implantable into blood vessels
A61F2/01 (Filters implantable into blood vessels) appears on 2,726 US grants and 3,562 published applications in this corpus.
Search patents in A61F- Granted patents
- 2,726
- Published applications
- 3,562
- Assignees
- 620
- Inventors
- 2,915
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 19 | 0 |
| 1998 | 36 | 0 |
| 1999 | 35 | 0 |
| 2000 | 45 | 0 |
| 2001 | 60 | 25 |
| 2002 | 62 | 137 |
| 2003 | 112 | 166 |
| 2004 | 68 | 167 |
| 2005 | 63 | 180 |
| 2006 | 69 | 171 |
| 2007 | 45 | 158 |
| 2008 | 48 | 124 |
| 2009 | 56 | 119 |
| 2010 | 113 | 134 |
| 2011 | 112 | 113 |
| 2012 | 113 | 136 |
| 2013 | 117 | 135 |
| 2014 | 132 | 188 |
| 2015 | 109 | 144 |
| 2016 | 122 | 171 |
| 2017 | 115 | 155 |
| 2018 | 121 | 139 |
| 2019 | 136 | 166 |
| 2020 | 138 | 164 |
| 2021 | 119 | 141 |
| 2022 | 112 | 139 |
| 2023 | 117 | 119 |
| 2024 | 115 | 114 |
| 2025 | 106 | 96 |
| 2026 | 40 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2/011Instruments for their placement or removal1,230
- A61F 2002/018Made from tubes or sheets of materialIndexing code1,192
- A61F 2002/016Made from wire-like elementsIndexing code1,185
- A61F 2/013Distal protection devices, i.e. devices placed distally in combination with another endovascular1,128
- A61F 2/0105Open ended, i.e. legs gathered only at one side656
- A61F 2/0108Both ends closed, i.e. legs gathered at both ends329
- A61F 2/012Multiple filtering units186
- A61F 2/0103With centering means137
Recent patents
- Neurovascular clot retrieving system6 Oct 2026US 12,751,736 B2Cerebrova KP Medical, Inc.
- Implantable medical device with sealing to accommodate an irregular ostium29 Sep 2026US 12,746,007 B2Boston Scientific Scimed, Inc.
- Closed-loop control of heart failure interventional therapy1 Sep 2026US 12,721,590 B2Foundry Innovation & Research 1, Ltd.
- Bile duct stent and method of manufacturing the same1 Sep 2026US 12,721,716 B2Sewoon Medical Co., Ltd.
- Accessory device to provide neuroprotection during interventional procedures25 Aug 2026US 12,714,551 B2Maduro Discovery, LLC
- Embolic protection device, folding method and forming device8 Oct 2026US 2026/0306238 A1Protembis GmbH
- Venous embolic protection filter8 Oct 2026US 2026/0306239 A1Koninklijke Philips N. V.
- Filter Screen Sheath8 Oct 2026US 2026/0306240 A1Shenzhen Intervenet Medical Technology Co., Ltd.
- Aspiration thrombectomy system and methods for thrombus removal with aspiration catheter24 Sep 2026US 2026/0283631 A1RapidPulse, Inc.
- Embolic protection device and method24 Sep 2026US 2026/0283776 A1Emboline, Inc.
Most cited
By later US patents
- Prosthesis comprising an expansible or contractile tubular body2,717US 4,655,771 AShepherd Patents S.A. · 1987
- Medical devices incorporating sim alloy elements2,338US 4,665,906 ARaychem Corporation · 1987
- Filter and filter insertion instrument1,711US 3,952,747 A1976
- Blood clot filter1,626US 4,425,908 ABeth Israel Hospital · 1984
- Atherectomy device having a flexible housing1,560US 4,781,186 ADevices for Vascular Intervention, Inc. · 1988