A61F 2230/001
Figure-8-shaped
Official title: Figure-8-shaped, e.g. hourglass-shaped
A61F2230/001 (Figure-8-shaped) appears on 722 US grants and 979 published applications in this corpus.
Search patents in A61F- Granted patents
- 722
- Published applications
- 979
- Assignees
- 269
- Inventors
- 1,055
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 6 |
| 2002 | 13 | 20 |
| 2003 | 17 | 13 |
| 2004 | 7 | 15 |
| 2005 | 12 | 17 |
| 2006 | 7 | 34 |
| 2007 | 4 | 14 |
| 2008 | 4 | 13 |
| 2009 | 18 | 24 |
| 2010 | 10 | 21 |
| 2011 | 15 | 20 |
| 2012 | 17 | 27 |
| 2013 | 24 | 47 |
| 2014 | 28 | 41 |
| 2015 | 28 | 41 |
| 2016 | 41 | 32 |
| 2017 | 28 | 46 |
| 2018 | 28 | 69 |
| 2019 | 58 | 64 |
| 2020 | 47 | 79 |
| 2021 | 68 | 80 |
| 2022 | 42 | 62 |
| 2023 | 51 | 54 |
| 2024 | 46 | 45 |
| 2025 | 44 | 67 |
| 2026 | 23 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Uncaging stent6 Oct 2026US 12,751,844 B2Elixir Medical Corporation
- Systems and methods for making encapsulated hourglass shaped stents29 Sep 2026US 12,746,110 B2V-Wave Ltd.
- Accessory device to provide neuroprotection during interventional procedures25 Aug 2026US 12,714,551 B2Maduro Discovery, LLC
- Systems, devices, and methods for the accurate deployment and imaging of an implant in the prostatic urethra25 Aug 2026US 12,714,587 B2Zenflow, Inc.
- Stent and replacement heart valve prosthesis with improved fixation features11 Aug 2026US 12,702,550 B2Tricares SAS
- Ventricular Control of Prosthetic Atrioventricular Valve1 Oct 2026US 2026/0294624 A1St. Jude Medical, Cardiology Division, Inc.
- Lattice10 Sep 2026US 2026/0263246 A1W. L. Gore & Associates, Inc.
- Oval stent20 Aug 2026US 2026/0240639 A1Edwards Lifesciences Corporation
- Multi-lumen implantable device13 Aug 2026US 2026/0232887 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Devices with dimensions that can be reduced and increased in vivo13 Aug 2026US 2026/0232973 A1V-Wave Ltd.
Most cited
By later US patents
- Interbody spinal fusion implants933US 5,593,409 ASofamor Danek Group, Inc. · 1997
- Surgically implanting threaded fusion cages between adjacent low-back vertebrae by an anterior approach813US 5,055,104 ASurgical Dynamics, Inc. · 1991
- Expandable supportive bifurcated endoluminal grafts779US 5,639,278 ACorvita Corporation · 1997
- Heart valve prosthesis and methods of manufacture and use698US 7,914,569 B2Medtronics CoreValve LLC · 2011
- Multiple axis intervertebral prosthesis666US 6,146,421 AGordon, Maya, Roberts and Thomas, Number 1, LLC · 2000