A61B 5/4821
Determining level or depth of anaesthesia
Official title: {Determining level or depth of anaesthesia (based on movements A61B5/1106)}
A61B5/4821 (Determining level or depth of anaesthesia) appears on 446 US grants and 658 published applications in this corpus.
Search patents in A61B- Granted patents
- 446
- Published applications
- 658
- Assignees
- 276
- Inventors
- 1,016
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 12 |
| 2003 | 6 | 14 |
| 2004 | 9 | 17 |
| 2005 | 5 | 27 |
| 2006 | 11 | 18 |
| 2007 | 16 | 24 |
| 2008 | 7 | 35 |
| 2009 | 8 | 24 |
| 2010 | 11 | 25 |
| 2011 | 18 | 25 |
| 2012 | 11 | 20 |
| 2013 | 23 | 21 |
| 2014 | 28 | 36 |
| 2015 | 11 | 29 |
| 2016 | 15 | 36 |
| 2017 | 16 | 21 |
| 2018 | 20 | 31 |
| 2019 | 25 | 40 |
| 2020 | 24 | 39 |
| 2021 | 26 | 37 |
| 2022 | 23 | 33 |
| 2023 | 32 | 20 |
| 2024 | 20 | 26 |
| 2025 | 27 | 27 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medical systems and methods for detecting changes in electrophysiological evoked potentials29 Sep 2026US 12,745,948 B2SafeOp Surgical, Inc.
- System, method and computer-accessible medium for anesthesia monitoring using electroencephalographic monitoring22 Sep 2026US 12,740,743 B2Technische Universität München
- Relocation module and methods for surgical equipment4 Aug 2026US 12,697,266 B2Augustine Biomedical + Design, LLC
- Systems and methods for anesthesia phase detection28 Jul 2026US 12,690,807 B2GE Precision Healthcare LLC
- Bipolar nerve stimulation/monitoring cuff30 Jun 2026US 12,667,294 B2Retropsoas Technologies, LLC
- Method and Apparatus for Detecting Consciousness24 Sep 2026US 2026/0283535 A1The University of Milan
- Medical monitoring system17 Sep 2026US 2026/0272298 A1Masimo Corporation
- Method and system of monitoring anesthesia depth10 Sep 2026US 2026/0262999 A1
- Infusion Device27 Aug 2026US 2026/0249004 A1
- System for communication with a patient based on the determined sedation state20 Aug 2026US 2026/0245728 A1Eyefree Assisting Communication Ltd.
Most cited
By later US patents
- Signal processing apparatus1,538US 6,081,735 AMasimo Corporation · 2000
- Signal processing apparatus1,373US 5,632,272 AMasimo Corporation · 1997
- Signal processing apparatus1,365US 6,157,850 AMasimo Corporation · 2000
- Signal processing apparatus1,192US 6,650,917 B2Masimo Corporation · 2003
- Signal processing apparatus1,160US 7,215,984 B2Masimo Corporation · 2007