G01R 33/287
Involving active visualization of interventional instruments
Official title: {involving active visualization of interventional instruments, e.g. using active tracking RF coils or coils for intentionally creating magnetic field inhomogeneities}
G01R33/287 (Involving active visualization of interventional instruments) appears on 203 US grants and 286 published applications in this corpus.
Search patents in G01R- Granted patents
- 203
- Published applications
- 286
- Assignees
- 120
- Inventors
- 458
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 7 |
| 2005 | 4 | 7 |
| 2006 | 2 | 16 |
| 2007 | 3 | 12 |
| 2008 | 3 | 22 |
| 2009 | 9 | 13 |
| 2010 | 14 | 26 |
| 2011 | 5 | 10 |
| 2012 | 13 | 20 |
| 2013 | 14 | 9 |
| 2014 | 19 | 21 |
| 2015 | 12 | 15 |
| 2016 | 12 | 11 |
| 2017 | 7 | 12 |
| 2018 | 10 | 14 |
| 2019 | 9 | 9 |
| 2020 | 13 | 7 |
| 2021 | 3 | 13 |
| 2022 | 8 | 8 |
| 2023 | 8 | 12 |
| 2024 | 9 | 4 |
| 2025 | 10 | 8 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Implantable array with a reference structure and a method of imaging the same15 Sep 2026US 12,736,599 B2Cortec Corporation
- Devices and related aspects for magnetic resonance imaging-based in-situ tissue characterization17 Mar 2026US 12,575,734 B2The Johns Hopkins University
- MRI-compatible devices27 Jan 2026US 12,535,542 B2Transmural Systems LLC
- Automatic identification of tracked surgical devices using an electromagnetic localization system18 Nov 2025US 12,472,031 B2Medtronic Navigation, Inc.
- Systems and methods for image guidance and device tracking during magnetic resonance imaging24 Sep 2026US 2026/0287691 A1Sunnybrook Research Institute
- Omnidirectional mri catheter resonator and related systems, methods, and devices5 Feb 2026US 2026/0036655 A1The Regents of the University of California
- Magnetic resonance-based catheter localization25 Sep 2025US 2025/0298101 A1
- Systems and methods for magnetic resonance imaging guided robotics3 Jul 2025US 2025/0213311 A1Emory University
- Mri-compatible devices5 Jun 2025US 2025/0180680 A1Transmural Systems LLC
Most cited
By later US patents
- Magnetic resonance devices suitable for both tracking and imaging265US 5,715,822 AGeneral Electric Company · 1998
- Band stop filter employing a capacitor and an inductor tank circuit to enhance MRI compatibility of active implantable medical devices251US 7,363,090 B2Greatbatch Ltd. · 2008
- Magnetic resonance imaging guidewire probe235US 6,675,033 B1Surgi-Vision, Inc. · 2004
- Magnetic resonance imaging transseptal needle antenna218US 6,606,513 B2Surgi-Vision, Inc. · 2003
- Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies218US 7,236,816 B2The Johns Hopkins University · 2007