A61M 25/0043
Catheters: characterised by structural features
Official title: {characterised by structural features}
A61M25/0043 (Catheters: characterised by structural features) appears on 5,723 US grants and 7,185 published applications in this corpus.
Search patents in A61M- Granted patents
- 5,723
- Published applications
- 7,185
- Assignees
- 1,770
- Inventors
- 9,288
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 13 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 19 | 0 |
| 1988 | 20 | 0 |
| 1989 | 22 | 0 |
| 1990 | 24 | 0 |
| 1991 | 40 | 0 |
| 1992 | 39 | 0 |
| 1993 | 63 | 0 |
| 1994 | 75 | 0 |
| 1995 | 98 | 0 |
| 1996 | 114 | 0 |
| 1997 | 110 | 0 |
| 1998 | 154 | 0 |
| 1999 | 135 | 0 |
| 2000 | 119 | 0 |
| 2001 | 107 | 55 |
| 2002 | 95 | 136 |
| 2003 | 126 | 172 |
| 2004 | 95 | 220 |
| 2005 | 87 | 213 |
| 2006 | 72 | 201 |
| 2007 | 66 | 212 |
| 2008 | 54 | 204 |
| 2009 | 84 | 235 |
| 2010 | 149 | 249 |
| 2011 | 164 | 216 |
| 2012 | 152 | 255 |
| 2013 | 191 | 244 |
| 2014 | 215 | 311 |
| 2015 | 220 | 298 |
| 2016 | 212 | 294 |
| 2017 | 218 | 315 |
| 2018 | 228 | 362 |
| 2019 | 275 | 380 |
| 2020 | 297 | 394 |
| 2021 | 290 | 397 |
| 2022 | 262 | 351 |
| 2023 | 263 | 390 |
| 2024 | 260 | 418 |
| 2025 | 247 | 359 |
| 2026 | 194 | 304 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 25/005With embedded materials for reinforcement2,019
- A61M 25/0045Multi-layered1,739
- A61M 25/0054With regions for increasing flexibility1,265
- A61M 2025/0063Having meansIndexing code602
- A61M 2025/0057Catheters delivering medicament other than through a conventional lumenIndexing code547
- A61M 2025/006Having a special surface topography or special surface propertiesIndexing code355
- A61M 2025/0059Having means for preventing the catheter, sheath or lumens from collapsing dueIndexing code345
- A61M 2025/0056Provided with an antibacterial agentIndexing code279
Recent patents
- Medical instrument guide device and endoscope apparatus6 Oct 2026US 12,751,605 B2FUJIFILM Corporation
- Cannula and infusion devices6 Oct 2026US 12,752,052 B2Unomedical A/S
- Catheter6 Oct 2026US 12,752,074 B2Nowwell Flow Technology AS
- Expandable sheath with fold6 Oct 2026US 12,752,077 B2ABIOMED, Inc.
- Variable stiffness catheter and methods thereof6 Oct 2026US 12,752,082 B2Washington University
- Retrograde tethered capsule endomicroscopy systems and methods8 Oct 2026US 2026/0305925 A1The General Hospital Corporation
- Catheters and related devices and methods of manufacture8 Oct 2026US 2026/0306788 A1Seigla Medical, Inc.
- Method of Automatic Manufacturing a Tubular Device for a Catheter8 Oct 2026US 2026/0306789 A1Biotronik SE & Co.KG
- Urinary catheter products with increased lubricity8 Oct 2026US 2026/0306792 A1Hollister Incorporated
- Catheter with inflatable expansion tube structure8 Oct 2026US 2026/0306793 A1
Most cited
By later US patents
- Dilating and support apparatus with disease inhibitors and methods for use1,862US 6,450,989 B2Artemis Medical, Inc. · 2002
- Drug releasing anastomosis devices and methods for treating anastomotic sites1,779US 7,108,701 B2Ethicon, Inc. · 2006
- Endoscope having a guide tube1,775US 6,837,846 B2Neo Guide Systems, Inc. · 2005
- Catheter segments having circumferential supports with axial projection1,594US 6,273,876 B1IntraTherapeutics, Inc. · 2001
- Torque shaft and torque shaft drive1,577US 8,376,865 B2CardiacMD, Inc. · 2013