A61B 1/233
Instruments for performing medical examinations of the interior of cavities or tubes
Official title: for the nose, i.e. nasoscopes {, e.g. testing of patency of Eustachian tubes}
A61B1/233 (Instruments for performing medical examinations of the interior of cavities or tubes) appears on 411 US grants and 559 published applications in this corpus.
Search patents in A61B- Granted patents
- 411
- Published applications
- 559
- Assignees
- 159
- Inventors
- 666
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 4 |
| 2006 | 1 | 4 |
| 2007 | 0 | 9 |
| 2008 | 3 | 16 |
| 2009 | 1 | 14 |
| 2010 | 5 | 14 |
| 2011 | 1 | 10 |
| 2012 | 8 | 10 |
| 2013 | 4 | 30 |
| 2014 | 13 | 21 |
| 2015 | 20 | 30 |
| 2016 | 17 | 28 |
| 2017 | 23 | 32 |
| 2018 | 25 | 47 |
| 2019 | 30 | 47 |
| 2020 | 36 | 48 |
| 2021 | 38 | 48 |
| 2022 | 35 | 39 |
| 2023 | 44 | 32 |
| 2024 | 33 | 35 |
| 2025 | 30 | 21 |
| 2026 | 17 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless endoscope22 Sep 2026US 12,740,689 B2Treble Innovations, LLC
- Devices and methods for insertion and/or pressurization of a balloon catheter for balloon dilation of the eustachian tube and other anatomical passageways accessible through the nostril of a human22 Sep 2026US 12,741,125 B2Venteus ApS
- Endoscopy device having a push-button brake and stabilization mechanism28 Jul 2026US 12,690,754 B2Evoendo, Inc.
- Pulsed field electroporation systems and methods28 Jul 2026US 12,690,907 B2Aventix Medical Inc.
- Nasal patient tracking device and method of using the same21 Jul 2026US 12,685,601 B2Medtronic Navigation, Inc.
- Endoscopy device having enhanced fluid control mechanisms8 Oct 2026US 2026/0305913 A1Evoendo, Inc.
- Otoscope suction adapter for removing foreign objects and debris from the ear canal and nasal passage1 Oct 2026US 2026/0294212 A1
- Endoscopy device having enhanced electrical control system1 Oct 2026US 2026/0294228 A1Evoendo, Inc.
- Soft robotic arm for in situ 3d bioprinting and surgery6 Aug 2026US 2026/0224306 A1NewSouth Innovations Pty Limited
- Devices and Methods for Insertion and/or Pressurization of a Balloon Catheter for Balloon Dilation of the Eustachian Tube and Other Anatomical Passageways Accessible Through the Nostril of a Human6 Aug 2026US 2026/0224868 A1Venteus ApS
Most cited
By later US patents
- Endoscope for nasal surgery550US 5,020,514 ARichard Wolf GmbH · 1991
- Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat357US 7,654,997 B2Acclarent, Inc. · 2010
- Methods and devices for facilitating visualization in a surgical environment277US 7,559,925 B2Acclarent, Inc. · 2009
- Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat273US 8,142,422 B2Acclarent, Inc. · 2012
- Systems and methods for maintaining a clear visual field during endoscopic procedures235US 5,167,220 A1992