A61M 1/90
Negative pressure wound therapy devices, i.e. devices for applying suction to a
Official title: {Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing}
A61M1/90 (Negative pressure wound therapy devices, i.e. devices for applying suction to a) appears on 2,418 US grants and 3,514 published applications in this corpus.
Search patents in A61M- Granted patents
- 2,418
- Published applications
- 3,514
- Assignees
- 491
- Inventors
- 2,302
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 4 |
| 2002 | 6 | 16 |
| 2003 | 4 | 13 |
| 2004 | 11 | 25 |
| 2005 | 8 | 30 |
| 2006 | 10 | 25 |
| 2007 | 14 | 67 |
| 2008 | 12 | 68 |
| 2009 | 23 | 104 |
| 2010 | 43 | 158 |
| 2011 | 68 | 161 |
| 2012 | 101 | 154 |
| 2013 | 125 | 175 |
| 2014 | 131 | 198 |
| 2015 | 132 | 159 |
| 2016 | 125 | 177 |
| 2017 | 119 | 163 |
| 2018 | 169 | 204 |
| 2019 | 161 | 257 |
| 2020 | 167 | 281 |
| 2021 | 164 | 221 |
| 2022 | 176 | 234 |
| 2023 | 179 | 176 |
| 2024 | 193 | 190 |
| 2025 | 150 | 148 |
| 2026 | 90 | 106 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor positioning and optical sensing for sensor enabled wound therapy dressings and systems6 Oct 2026US 12,751,864 B2Smith & Nephew, Inc.
- Canister status determination for negative pressure wound therapy devices6 Oct 2026US 12,752,048 B2T.J. Smith and Nephew, Limited
- Electrostatic discharge protection for sensors in wound therapy29 Sep 2026US 12,745,951 B2Smith & Nephew, Inc.
- Sub-atmospheric wound-care system29 Sep 2026US 12,746,321 B2J&M Shuler Medical, Inc.
- Adaptable wound drainage system15 Sep 2026US 12,734,285 B2IC Surgical, Inc.
- Tissue Interface For Tissue Debridement8 Oct 2026US 2026/0306303 A1KCI Manufacturing Unlimited Company
- Status indication using a disposable accessory for negative pressure wound therapy and treatment8 Oct 2026US 2026/0306731 A1T.J. Smith and Nephew, Limited
- Negative-Pressure Therapy Dressing With Expandable Depth1 Oct 2026US 2026/0294692 A1KCI Manufacturing Unlimited Company
- Reduction of false alarms during provision of negative pressure wound therapy1 Oct 2026US 2026/0295144 A1T.J. Smith and Nephew, Limited
- Wound dressing and method of use24 Sep 2026US 2026/0283855 A1Smith & Nephew, Inc.
Most cited
By later US patents
- Wound treatment employing reduced pressure2,003US 5,636,643 AWake Forest University · 1997
- Wound dressing and treatment method1,821US 4,969,880 A1990
- Medical patient fluid management interface system and method1,751US 6,071,267 AKinetic Concepts, Inc. · 2000
- Method of treating tissue damage and apparatus for same1,737US 5,645,081 AWake Forest University · 1997
- Apparatus for removing fluid from a wound1,682US 5,549,584 AThe Kendall Company · 1996