A61M 25/0023
By the form of the lumen
Official title: {by the form of the lumen, e.g. cross-section, variable diameter}
A61M25/0023 (By the form of the lumen) appears on 3,853 US grants and 4,993 published applications in this corpus.
Search patents in A61M- Granted patents
- 3,853
- Published applications
- 4,993
- Assignees
- 1,348
- Inventors
- 6,413
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 16 | 0 |
| 1987 | 18 | 0 |
| 1988 | 19 | 0 |
| 1989 | 18 | 0 |
| 1990 | 17 | 0 |
| 1991 | 24 | 0 |
| 1992 | 22 | 0 |
| 1993 | 40 | 0 |
| 1994 | 41 | 0 |
| 1995 | 57 | 0 |
| 1996 | 49 | 0 |
| 1997 | 48 | 0 |
| 1998 | 80 | 0 |
| 1999 | 67 | 0 |
| 2000 | 53 | 0 |
| 2001 | 60 | 28 |
| 2002 | 66 | 106 |
| 2003 | 72 | 108 |
| 2004 | 65 | 138 |
| 2005 | 61 | 164 |
| 2006 | 62 | 156 |
| 2007 | 52 | 143 |
| 2008 | 41 | 149 |
| 2009 | 46 | 140 |
| 2010 | 101 | 182 |
| 2011 | 122 | 142 |
| 2012 | 116 | 154 |
| 2013 | 150 | 196 |
| 2014 | 159 | 211 |
| 2015 | 132 | 187 |
| 2016 | 146 | 165 |
| 2017 | 124 | 208 |
| 2018 | 155 | 267 |
| 2019 | 204 | 288 |
| 2020 | 204 | 289 |
| 2021 | 199 | 313 |
| 2022 | 177 | 268 |
| 2023 | 201 | 267 |
| 2024 | 201 | 294 |
| 2025 | 184 | 250 |
| 2026 | 126 | 180 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flow control mechanism for kidney stone treatment system6 Oct 2026US 12,752,047 B2Calyxo, Inc.
- Expandable sheath with fold6 Oct 2026US 12,752,077 B2ABIOMED, Inc.
- Catheters and systems for direct injection of gas-enriched liquid into a patient6 Oct 2026US 12,752,078 B2Zoll Circulation, Inc.
- Variable stiffness catheter and methods thereof6 Oct 2026US 12,752,082 B2Washington University
- Controllable expandable catheter29 Sep 2026US 12,746,365 B2St. Jude Medical, Cardiology Division, Inc.
- Endoscopy device having enhanced fluid control mechanisms8 Oct 2026US 2026/0305913 A1Evoendo, Inc.
- System And Methods For Intracranial Vessel Access8 Oct 2026US 2026/0306791 A1
- Catheter with inflatable expansion tube structure8 Oct 2026US 2026/0306793 A1
- Catheters, systems, and methods for bypassing an occlusion8 Oct 2026US 2026/0306797 A1Bard Peripheral Vascular, Inc.
- Cryogenic catheter, system, and method for selective ablation of mucosa and submucosa of the gastrointestinal tract24 Sep 2026US 2026/0283674 A1Ágil Therapeutics, Inc.
Most cited
By later US patents
- Method of using a catheter-sleeve assembly for an endoscope1,867US 5,259,366 A1993
- Device and method for controlling injection of liquid embolic composition1,859US 6,511,468 B1Micro Therapeutics, Inc. · 2003
- Procedure and catheter instrument for treating patients for aortic stenosis1,480US 4,777,951 AMansfield Scientific, Inc. · 1988
- Medical procedures and apparatus using intrabody probes1,425US 6,332,089 B1Biosense, Inc. · 2001
- Tunneling instrument for port access multivessel coronary artery bypass surgery1,399US 6,613,069 B2Heartport, Inc. · 2003