A61B 1/267
Instruments for performing medical examinations of the interior of cavities or tubes
Official title: for the respiratory tract, e.g. laryngoscopes or bronchoscopes
A61B1/267 (Instruments for performing medical examinations of the interior of cavities or tubes) appears on 1,694 US grants and 2,322 published applications in this corpus.
Search patents in A61B- Granted patents
- 1,694
- Published applications
- 2,322
- Assignees
- 677
- Inventors
- 3,190
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 17 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 21 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 9 |
| 2002 | 11 | 17 |
| 2003 | 18 | 14 |
| 2004 | 12 | 25 |
| 2005 | 14 | 36 |
| 2006 | 9 | 44 |
| 2007 | 7 | 46 |
| 2008 | 10 | 62 |
| 2009 | 12 | 47 |
| 2010 | 20 | 62 |
| 2011 | 26 | 69 |
| 2012 | 38 | 84 |
| 2013 | 46 | 92 |
| 2014 | 61 | 98 |
| 2015 | 59 | 98 |
| 2016 | 61 | 102 |
| 2017 | 59 | 130 |
| 2018 | 72 | 142 |
| 2019 | 111 | 169 |
| 2020 | 126 | 170 |
| 2021 | 111 | 151 |
| 2022 | 93 | 129 |
| 2023 | 141 | 148 |
| 2024 | 133 | 171 |
| 2025 | 116 | 123 |
| 2026 | 93 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Information processing apparatus, information processing method, and information processing program6 Oct 2026US 12,751,600 B2FUJIFILM Corporation
- Medical visualization and intubation systems6 Oct 2026US 12,751,606 B2Visurraga Enterprises, LLC
- Motor control for disposable steerable endoscope6 Oct 2026US 12,751,611 B2Covidien LP
- Video laryngoscopy apparatus29 Sep 2026US 12,745,902 B2
- Systems, devices, and techniques for positioning tubes including a split, articulating stylet29 Sep 2026US 12,746,357 B2Through the Cords, LLC
- Hybrid registration method8 Oct 2026US 2026/0305972 A1Covidien LP
- Sheaths for needle delivery8 Oct 2026US 2026/0306752 A1GYRUS ACMI INC. (d.b.a.Olympus Surgical Technologies America)
- Method for constructing machine learning model for recommending airway opening posture angle8 Oct 2026US 2026/0311061 A1Chongqing Haohuxi Medical Devices Co., Ltd.
- A difficult airway ventilation device1 Oct 2026US 2026/0295187 A1Peking University Third Hospital (the Third Clinical Medical School of Peking University)
- Laryngoscope with improved visualization24 Sep 2026US 2026/0283456 A1The Regents of the University of Michigan
Most cited
By later US patents
- Deformable fiberscope with a displaceable supplementary device1,820US 6,878,106 B12005
- Endoscopic sheath assemblies having longitudinal expansion inhibiting mechanisms1,525US 6,793,661 B2Vision Sciences, Inc. · 2004
- Medical instruments for introduction into the respiratory tract of a patient1,502US 4,454,887 A1984
- Medical instrument with sensor for use in a system and method for electromagnetic navigation620US 10,426,555 B2Covidien LP · 2019
- Instrument insertion compensation522US 10,299,870 B2Auris Health, Inc. · 2019