A61B 17/3439
With means for changing the inner diameter of the cannula
Official title: {with means for changing the inner diameter of the cannula, e.g. expandable (A61B17/3423, A61B17/3431 take precedence; catheters A61M25/0662)}
A61B17/3439 (With means for changing the inner diameter of the cannula) appears on 1,030 US grants and 1,243 published applications in this corpus.
Search patents in A61B- Granted patents
- 1,030
- Published applications
- 1,243
- Assignees
- 359
- Inventors
- 1,506
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 27 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 18 | 12 |
| 2002 | 17 | 23 |
| 2003 | 23 | 29 |
| 2004 | 21 | 54 |
| 2005 | 15 | 65 |
| 2006 | 21 | 62 |
| 2007 | 17 | 64 |
| 2008 | 8 | 50 |
| 2009 | 11 | 49 |
| 2010 | 42 | 49 |
| 2011 | 64 | 60 |
| 2012 | 45 | 41 |
| 2013 | 49 | 48 |
| 2014 | 49 | 67 |
| 2015 | 50 | 66 |
| 2016 | 46 | 65 |
| 2017 | 56 | 64 |
| 2018 | 37 | 48 |
| 2019 | 58 | 69 |
| 2020 | 53 | 45 |
| 2021 | 46 | 40 |
| 2022 | 29 | 46 |
| 2023 | 48 | 36 |
| 2024 | 42 | 44 |
| 2025 | 40 | 25 |
| 2026 | 19 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve mechanism22 Sep 2026US 12,740,807 B2Palliare Limited
- Expandable introducer1 Sep 2026US 12,721,651 B2Medtronic, Inc.
- Valve assembly and retainer for surgical access assembly25 Aug 2026US 12,714,462 B2Covidien LP
- Systems and methods for tissue containment and retrieval18 Aug 2026US 12,708,353 B2Applied Medical Resources Corporation
- Methods and systems for realtime monitoring and cleaning of a laparoscopic lens16 Jun 2026US 12,653,391 B2Covidien LP
- Laparoscopic tissue containment device20 Aug 2026US 2026/0240566 A1Ark Surgical Ltd.
- Electrically conductive reducer device, related systems, and related methods13 Aug 2026US 2026/0232349 A1Intuitive Surgical Operations, Inc.
- Flexible torque cable for delivery of medical devices13 Aug 2026US 2026/0232350 A1St. Jude Medical, Cardiology Division, Inc.
- Surgical instrument port for vaginal natural orifice transluminal endoscopic surgery13 Aug 2026US 2026/0232352 A1Koc Universites
- Laparoscopic workspace device6 Aug 2026US 2026/0224245 A1Ark Surgical Ltd.
Most cited
By later US patents
- Method and apparatus for performing biopsy2,028US 5,749,889 AImagyn Medical, Inc. · 1998
- Soft tissue retractor and method for providing surgical access1,818US 5,810,721 AHeartport, Inc. · 1998
- Endoscope having a guide tube1,775US 6,837,846 B2Neo Guide Systems, Inc. · 2005
- Instrument introducer1,725US 7,846,149 B2Tyco Healthcare Group LP · 2010
- Methods and devices for providing access into a body cavity1,439US 8,257,251 B2Ethicon Endo-Surgery, Inc. · 2012