A61M 27/00
Drainage appliance for wounds or the like , i.e. wound drains, implanted
Official title: Drainage appliance for wounds or the like {, i.e. wound drains, implanted drains} ({negative pressure wound therapy devices A61M1/90;} implements for holding wound open A61B17/02 {; middle ear drainage A61F11/202})
A61M27/00 (Drainage appliance for wounds or the like , i.e. wound drains, implanted) appears on 3,074 US grants and 3,969 published applications in this corpus.
Search patents in A61M- Granted patents
- 3,074
- Published applications
- 3,969
- Assignees
- 1,132
- Inventors
- 4,832
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 16 | 0 |
| 1986 | 22 | 0 |
| 1987 | 22 | 0 |
| 1988 | 20 | 0 |
| 1989 | 17 | 0 |
| 1990 | 18 | 0 |
| 1991 | 19 | 0 |
| 1992 | 19 | 0 |
| 1993 | 18 | 0 |
| 1994 | 24 | 0 |
| 1995 | 20 | 0 |
| 1996 | 16 | 0 |
| 1997 | 23 | 0 |
| 1998 | 29 | 0 |
| 1999 | 24 | 0 |
| 2000 | 25 | 0 |
| 2001 | 30 | 18 |
| 2002 | 24 | 48 |
| 2003 | 34 | 59 |
| 2004 | 30 | 91 |
| 2005 | 43 | 103 |
| 2006 | 25 | 77 |
| 2007 | 34 | 104 |
| 2008 | 28 | 95 |
| 2009 | 33 | 122 |
| 2010 | 69 | 176 |
| 2011 | 88 | 169 |
| 2012 | 112 | 154 |
| 2013 | 134 | 185 |
| 2014 | 141 | 205 |
| 2015 | 140 | 182 |
| 2016 | 156 | 185 |
| 2017 | 162 | 199 |
| 2018 | 142 | 214 |
| 2019 | 203 | 228 |
| 2020 | 182 | 221 |
| 2021 | 155 | 186 |
| 2022 | 152 | 219 |
| 2023 | 129 | 206 |
| 2024 | 168 | 201 |
| 2025 | 156 | 192 |
| 2026 | 105 | 130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable flow glaucoma shunts and associated systems and methods6 Oct 2026US 12,751,862 B2Shifamed Holdings, LLC
- Catheter tray, packaging system, and associated methods6 Oct 2026US 12,752,076 B2Medline Industries, Inc.
- System and method for controlling CSF flow and managing intracranial pressure6 Oct 2026US 12,752,090 B2EnClear Therapies, Inc.
- Systems and methods for making encapsulated hourglass shaped stents29 Sep 2026US 12,746,110 B2V-Wave Ltd.
- Devices, systems, and methods for extracting a ureteral stent29 Sep 2026US 12,746,137 B2Boston Scientific Scimed, Inc.
- Measuring intracranial pressure using a cerebrospinal fluid shunt device8 Oct 2026US 2026/0305967 A1Children’s Hospital Los Angeles
- Venticular Shunt System8 Oct 2026US 2026/0306807 A1Queen's University at Kingston
- Integrated external ventricular drainage and intracranial electroencephalography monitoring device8 Oct 2026US 2026/0306808 A1
- Cerebrospinal fluid shunt1 Oct 2026US 2026/0295224 A1Azygos Vascular, Inc.
- Surgical Drain Device and Method of Use24 Sep 2026US 2026/0283643 A1Standard of Care Corporation
Most cited
By later US patents
- Wound treatment employing reduced pressure2,003US 5,636,643 AWake Forest University · 1997
- 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
- Device and method to measure and communicate body parameters1,630US 6,731,976 B2Medtronic, Inc. · 2004