A61M 27/006
Cerebrospinal drainage
Official title: {Cerebrospinal drainage; Accessories therefor, e.g. valves}
A61M27/006 (Cerebrospinal drainage) appears on 755 US grants and 895 published applications in this corpus.
Search patents in A61M- Granted patents
- 755
- Published applications
- 895
- Assignees
- 315
- Inventors
- 1,199
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 2 |
| 2002 | 11 | 15 |
| 2003 | 5 | 11 |
| 2004 | 5 | 28 |
| 2005 | 14 | 40 |
| 2006 | 9 | 22 |
| 2007 | 11 | 18 |
| 2008 | 6 | 24 |
| 2009 | 14 | 27 |
| 2010 | 16 | 48 |
| 2011 | 15 | 36 |
| 2012 | 31 | 37 |
| 2013 | 27 | 31 |
| 2014 | 31 | 49 |
| 2015 | 30 | 39 |
| 2016 | 33 | 43 |
| 2017 | 36 | 41 |
| 2018 | 28 | 37 |
| 2019 | 50 | 48 |
| 2020 | 39 | 45 |
| 2021 | 26 | 46 |
| 2022 | 29 | 45 |
| 2023 | 25 | 48 |
| 2024 | 44 | 45 |
| 2025 | 28 | 41 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling CSF flow and managing intracranial pressure6 Oct 2026US 12,752,090 B2EnClear Therapies, Inc.
- Dynamically controlled cerebrospinal fluid shunt29 Sep 2026US 12,746,377 B2Oaya, Inc.
- Systems and methods for draining cerebrospinal fluid22 Sep 2026US 12,740,805 B2The Penn State Research Foundation
- Methods and systems for draining cerebrospinal fluid into the venous system15 Sep 2026US 12,734,344 B2Cerevasc, Inc.
- CSF diagnostics platform8 Sep 2026US 12,728,190 B2EnClear Therapies, 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.
- Catheter systems and methods for medical procedures using catheters17 Sep 2026US 2026/0273244 A1Cerevasc, Inc.
Most cited
By later US patents
- Device and method to measure and communicate body parameters1,630US 6,731,976 B2Medtronic, Inc. · 2004
- Cerebrospinal fluid shunt system357US 4,950,232 ASURELAB Superior Research Laboratories, Inc. · 1990
- Implantable pressure transducer341US 4,127,110 AHuntington Institute of Applied Medical Research · 1978
- Implantable passive bio-sensor327US 5,704,352 A1998
- Stereotactic hypothalamic obesity probe321US 6,129,685 AUniversity of Iowa Research Foundation · 2000