A61B 1/31
Instruments for performing medical examinations of the interior of cavities or tubes
Official title: for the rectum, e.g. proctoscopes or sigmoidoscopes
A61B1/31 (Instruments for performing medical examinations of the interior of cavities or tubes) appears on 1,029 US grants and 1,497 published applications in this corpus.
Search patents in A61B- Granted patents
- 1,029
- Published applications
- 1,497
- Assignees
- 451
- Inventors
- 2,080
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 4 |
| 2002 | 10 | 22 |
| 2003 | 14 | 39 |
| 2004 | 16 | 35 |
| 2005 | 23 | 67 |
| 2006 | 18 | 58 |
| 2007 | 12 | 74 |
| 2008 | 13 | 46 |
| 2009 | 15 | 53 |
| 2010 | 22 | 54 |
| 2011 | 32 | 40 |
| 2012 | 35 | 39 |
| 2013 | 53 | 72 |
| 2014 | 48 | 44 |
| 2015 | 39 | 85 |
| 2016 | 33 | 51 |
| 2017 | 47 | 64 |
| 2018 | 46 | 68 |
| 2019 | 62 | 68 |
| 2020 | 55 | 96 |
| 2021 | 66 | 87 |
| 2022 | 66 | 75 |
| 2023 | 54 | 74 |
| 2024 | 78 | 62 |
| 2025 | 52 | 68 |
| 2026 | 34 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Techniques for generating superresolution presentations of medical procedure video data29 Sep 2026US 12,745,894 B1Verily Life Sciences LLC
- Balloon assisted containment of insufflated robotic/endoscopic operative field15 Sep 2026US 12,733,790 B2Bashour Family Innovations, LLC
- Overtube for endoscope25 Aug 2026US 12,714,295 B2Olympus Corporation
- Colonoscopy area indication system and method25 Aug 2026US 12,718,371 B2Waycen Inc.
- Apparatus for lesion diagnosis and method thereof18 Aug 2026US 12,711,625 B2University-Industry Cooperation Group of Kyung University
- Large bore suction overtube8 Oct 2026US 2026/0305924 A1
- Retrograde tethered capsule endomicroscopy systems and methods8 Oct 2026US 2026/0305925 A1The General Hospital Corporation
- Systems for tracking disease progression in a patient8 Oct 2026US 2026/0305931 A1Iterative Scopes, Inc.
- Anatomical location detection of features of a gastrointestinal tract of a patient10 Sep 2026US 2026/0262931 A1Iterative Scopes, Inc.
- System, method and computer-readable storage device for controlling laser light source of lithotripsy device10 Sep 2026US 2026/0263152 A1GYRUS ACMI INC. (d.b.a.Olympus Surgical Technologies America)
Most cited
By later US patents
- Surgical stapling device2,457US 7,168,604 B2Tyco Healthcare Group LP · 2007
- Shape lockable apparatus and method for advancing an instrument through unsupported anatomy2,067US 6,790,173 B2USGI Medical, Inc. · 2004
- Endoscope with adjacently positioned guiding apparatus1,945US 6,984,203 B2NeoGuide Systems, Inc. · 2006
- Surgical stapler1,866US 8,231,042 B2Tyco Healthcare Group LP · 2012
- Full thickness resection device1,857US 6,605,078 B2SciMed Life Systems, Inc. · 2003