A61M 29/02
Dilators made of swellable material
Official title: Dilators made of swellable material {(balloon catheters for angioplasty A61M25/104)}
A61M29/02 (Dilators made of swellable material) appears on 2,008 US grants and 2,417 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,008
- Published applications
- 2,417
- Assignees
- 719
- Inventors
- 2,734
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 28 | 0 |
| 1995 | 32 | 0 |
| 1996 | 27 | 0 |
| 1997 | 40 | 0 |
| 1998 | 57 | 0 |
| 1999 | 47 | 0 |
| 2000 | 35 | 0 |
| 2001 | 32 | 18 |
| 2002 | 45 | 58 |
| 2003 | 42 | 54 |
| 2004 | 37 | 71 |
| 2005 | 21 | 48 |
| 2006 | 21 | 65 |
| 2007 | 20 | 76 |
| 2008 | 10 | 116 |
| 2009 | 24 | 84 |
| 2010 | 49 | 99 |
| 2011 | 51 | 115 |
| 2012 | 64 | 92 |
| 2013 | 76 | 122 |
| 2014 | 87 | 119 |
| 2015 | 96 | 123 |
| 2016 | 113 | 142 |
| 2017 | 104 | 120 |
| 2018 | 82 | 121 |
| 2019 | 108 | 165 |
| 2020 | 134 | 121 |
| 2021 | 100 | 104 |
| 2022 | 64 | 84 |
| 2023 | 85 | 84 |
| 2024 | 86 | 96 |
| 2025 | 54 | 69 |
| 2026 | 45 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices and methods for insertion and/or pressurization of a balloon catheter for balloon dilation of the eustachian tube and other anatomical passageways accessible through the nostril of a human22 Sep 2026US 12,741,125 B2Venteus ApS
- Intragastric device15 Sep 2026US 12,734,057 B2Medtimo Inc.
- First twin cervical dilation system and method25 Aug 2026US 12,714,465 B1
- Chemical ablation and method of treatment for various diseases25 Aug 2026US 12,714,834 B2Neurotronic, Inc.
- Dilating device and method for prostatic urethra18 Aug 2026US 12,708,501 B2
- Balloon cervical dilation devices with telescoping inner shaft, methods of use and manufacture and kits therefor8 Oct 2026US 2026/0306137 A1Medicines360
- Chemical ablation and method of treatment for various diseases8 Oct 2026US 2026/0306804 A1Neurotronic, Inc.
- Balloon Dilation Devices, Methods of Use, and Methods of Manufacture24 Sep 2026US 2026/0283635 A1Entellus Medical, Inc.
- Method for determining puncture entry location using electroanatomic mapping24 Sep 2026US 2026/0283678 A1Boston Scientific Medical Device Limited
- Sinus Dilation Catheter17 Sep 2026US 2026/0273162 A1Stryker Corporation
Most cited
By later US patents
- Percutaneous endovascular stent and method for insertion thereof1,881US 4,580,568 ACook Incorporated · 1986
- Atherectomy device having a flexible housing1,560US 4,781,186 ADevices for Vascular Intervention, Inc. · 1988
- Surgical retractor device1,548US 4,984,564 A1991
- Vessel and lumen expander attachment for use with an electromechanical driver device1,415US 6,348,061 B1Powermed, Inc. · 2002
- Valvuloplasty device with satellite expansion means1,229US 4,878,495 A1989