A61B 2018/00553
Sphincter
Official title: {Sphincter}
A61B2018/00553 (Sphincter) appears on 268 US grants and 265 published applications in this corpus.
Search patents in A61B- Granted patents
- 268
- Published applications
- 265
- Assignees
- 67
- Inventors
- 262
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 5 |
| 2002 | 19 | 23 |
| 2003 | 20 | 22 |
| 2004 | 14 | 14 |
| 2005 | 6 | 11 |
| 2006 | 11 | 13 |
| 2007 | 6 | 8 |
| 2008 | 10 | 6 |
| 2009 | 9 | 11 |
| 2010 | 6 | 12 |
| 2011 | 4 | 6 |
| 2012 | 8 | 13 |
| 2013 | 11 | 17 |
| 2014 | 8 | 23 |
| 2015 | 8 | 16 |
| 2016 | 21 | 12 |
| 2017 | 13 | 8 |
| 2018 | 3 | 5 |
| 2019 | 5 | 6 |
| 2020 | 4 | 6 |
| 2021 | 2 | 5 |
| 2022 | 8 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 8 |
| 2025 | 4 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryogenic treatment systems12 May 2026US 12,622,808 B2Channel Medsystems, Inc.
- Sphincterotomes and methods for using sphincterotomes19 Aug 2025US 12,390,269 B2Boston Scientific Scimed, Inc.
- Fiducial systems for probe tracking and identification17 Jun 2025US 12,329,574 B2PROCEPT BioRobotics Corporation
- Electrosurgical system with electrically active outer surface25 Mar 2025US 12,256,976 B2Cook Medical Technologies LLC
- Medical systems, devices and related methods28 Jan 2025US 12,207,795 B2Boston Scientific Medical Device Limited
- Cryogenic treatment systems13 Aug 2026US 2026/0232488 A1Channel Medsystems, Inc.
- Medical device and methods9 Apr 2026US 2026/0096716 A1Boston Scientific Scimed, Inc.
- Return electrode configurations for bipolar sphincterotomes4 Dec 2025US 2025/0366911 A1Cook Medical Technologies LLC
- Sphincterotomes and methods for using sphincterotomes13 Nov 2025US 2025/0345113 A1Boston Scientific Scimed, Inc.
- Sphincterotome with two guide wires and four cavities9 Oct 2025US 2025/0312092 A1Anrei Medical (Hz) Co., Ltd.
Most cited
By later US patents
- Non-invasive treatment of gastroesophageal reflux disease2,708US 5,571,116 AUnited States Surgical Corporation · 1996
- Non-invasive apparatus for treatment of gastroesophageal reflux disease2,452US 5,897,562 AUnited States Surgical Corporation · 1999
- Method for esophageal invagination and devices useful therein1,836US 5,088,979 AWilson-Cook Medical Inc. · 1992
- Systems and methods for treating dysfunctions in the intestines and rectum1,586US 6,645,201 B1Curon Medical, Inc. · 2003
- Endoscopic ablation system with a distally mounted image sensor1,534US 7,137,981 B2Ethicon Endo-Surgery, Inc. · 2006