A61B 5/227
Of constricting muscles, i.e. sphincters
Official title: {of constricting muscles, i.e. sphincters}
A61B5/227 (Of constricting muscles, i.e. sphincters) appears on 118 US grants and 163 published applications in this corpus.
Search patents in A61B- Granted patents
- 118
- Published applications
- 163
- Assignees
- 112
- Inventors
- 310
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 6 | 4 |
| 2010 | 2 | 5 |
| 2011 | 2 | 0 |
| 2012 | 1 | 7 |
| 2013 | 2 | 9 |
| 2014 | 5 | 8 |
| 2015 | 1 | 7 |
| 2016 | 3 | 9 |
| 2017 | 5 | 13 |
| 2018 | 5 | 8 |
| 2019 | 5 | 9 |
| 2020 | 7 | 12 |
| 2021 | 8 | 6 |
| 2022 | 9 | 11 |
| 2023 | 6 | 5 |
| 2024 | 4 | 11 |
| 2025 | 9 | 11 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems, methods, apparatuses, and devices for facilitating treatment for anorectal and pelvic floor disorders of users using biofeedback therapy17 Mar 2026US 12,575,788 B2Neurogut Inc
- Devices, systems, and methods for treating urinary and fecal incontinence23 Dec 2025US 12,502,542 B2Axena Health, Inc.
- Methods, systems, and apparatus for evaluating test data of pelvic floor muscle2 Jul 2026US 2026/0182882 A1Peking Union Medical College Hospital, Chinese Academy of Medical Sciences
- Device, method, and system for colorectal pelvic floor rehabilitation11 Jun 2026US 2026/0157922 A1
- System for measuring contractions of the pelvic floor muscles of a patient, and method for measuring contractions of the pelvic floor muscles using such a system30 Apr 2026US 2026/0114774 A1X6 Innovations
- Systems and methods for endoscopic manometry30 Apr 2026US 2026/0114775 A1
- Methods and systems to measure gastrointestinal motility based on a balloon based system23 Apr 2026US 2026/0108203 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Electrical stimulation for treatment of incontinence and other neuromuscular disorders365US 5,562,717 AAxelgaard Manufacturing Company, Ltd. · 1996
- Anorectal probe apparatus having at least one muscular activity sensor253US 5,924,984 AUniversity of Iowa Research Foundation · 1999
- Electrical stimulation for treatment of incontinence and other neuro-muscular disorders221US 5,702,428 AAxelgaard Manufacturing Company, Ltd. · 1997
- Pelvic disorder treatment device220US 6,862,480 B2Biocontrol Medical Ltd. · 2005
- Pelvic disorder treatment device123US 7,613,516 B2AMS Research Corporation · 2009