A61B 5/145
Measuring characteristics of blood in vivo
Official title: Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value {; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue} (non-radiation detecting or locating of foreign bodies in blood A61B5/06)
A61B5/145 (Measuring characteristics of blood in vivo) appears on 22,231 US grants and 32,930 published applications in this corpus.
Search patents in A61B- Granted patents
- 22,231
- Published applications
- 32,930
- Assignees
- 6,463
- Inventors
- 37,124
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 17 | 0 |
| 1978 | 15 | 0 |
| 1979 | 13 | 0 |
| 1980 | 20 | 0 |
| 1981 | 28 | 0 |
| 1982 | 20 | 0 |
| 1983 | 17 | 0 |
| 1984 | 31 | 0 |
| 1985 | 32 | 0 |
| 1986 | 28 | 0 |
| 1987 | 46 | 0 |
| 1988 | 47 | 0 |
| 1989 | 79 | 0 |
| 1990 | 59 | 0 |
| 1991 | 72 | 0 |
| 1992 | 88 | 0 |
| 1993 | 99 | 0 |
| 1994 | 134 | 0 |
| 1995 | 113 | 0 |
| 1996 | 95 | 0 |
| 1997 | 101 | 0 |
| 1998 | 194 | 0 |
| 1999 | 172 | 0 |
| 2000 | 213 | 0 |
| 2001 | 215 | 92 |
| 2002 | 234 | 321 |
| 2003 | 294 | 444 |
| 2004 | 231 | 577 |
| 2005 | 212 | 648 |
| 2006 | 277 | 737 |
| 2007 | 325 | 816 |
| 2008 | 260 | 943 |
| 2009 | 299 | 1047 |
| 2010 | 431 | 1273 |
| 2011 | 541 | 1024 |
| 2012 | 750 | 1076 |
| 2013 | 943 | 1173 |
| 2014 | 981 | 1548 |
| 2015 | 891 | 1432 |
| 2016 | 859 | 1570 |
| 2017 | 1097 | 1832 |
| 2018 | 1011 | 1727 |
| 2019 | 1453 | 1972 |
| 2020 | 1359 | 2039 |
| 2021 | 1433 | 2131 |
| 2022 | 1405 | 1964 |
| 2023 | 1292 | 1877 |
| 2024 | 1366 | 1878 |
| 2025 | 1414 | 1650 |
| 2026 | 911 | 1139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61B 5/1455Using optical sensors10,557
- A61B 5/14532For measuring glucose9,741
- A61B 5/14546For measuring analytes not otherwise provided for4,149
- A61B 5/1468Using chemical or electrochemical methods4,132
- A61B 5/14542For measuring blood gases2,654
- A61B 5/1495Calibrating or testing of in-vivo probes2,085
- A61B 5/14507Specially adapted for measuring characteristics of body fluids other than blood2,001
- A61B 5/14539For measuring ph1,607
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Non-invasive cerebral monitoring and cerebral metric-based guidance for medical procedures6 Oct 2026US 12,751,632 B2The Children’s Hospital of Philadelphia
- System, method, and computer readable medium for a basal rate profile adaptation algorithm for closed-loop artificial pancreas systems6 Oct 2026US 12,751,648 B2University of Virginia Patent Foundation
- Analyte monitoring and management device and method to analyze the frequency of user interaction with the device6 Oct 2026US 12,751,649 B2Abbott Diabetes Care Inc.
- Medical apparatus to be placed on the surface of a living body and an indwelling device that includes such a medical apparatus6 Oct 2026US 12,751,650 B2Terumo Kabushiki Kaisha
- Implantable pressure sensor system for measurement and wireless transmission of internal pressures8 Oct 2026US 2026/0305953 A1Qura, Inc.
- System and method for capturing and transmitting biometric data8 Oct 2026US 2026/0305955 A1Nexa Labs Inc.
- Predicting probability of developing preeclampsia8 Oct 2026US 2026/0305957 A180 Beats Medical GmbH
- Photoplethysmography sensor8 Oct 2026US 2026/0305964 A1Koninklijke Philips N. V.
- Functional device, guiding catheter, biological interface system, and method for indwelling functional device8 Oct 2026US 2026/0305966 A1The University of Osaka
Most cited
By later US patents
- Electromechanical driver and remote surgical instrument attachment having computer assisted control capabilities2,760US 6,716,233 B1Power Medical Interventions, Inc. · 2004
- Electromechanical driver and remote surgical instrument attachment having computer assisted control capabilities2,639US 7,077,856 B2Power Medical Interventions, Inc. · 2006
- Analyte monitoring device and methods of use2,634US 6,175,752 B1TheraSense, Inc. · 2001
- Handheld personal data assistant (PDA) with a medical device and method of using the same2,420US 6,641,533 B2Medtronic MiniMed, Inc. · 2003
- Closed loop system for controlling insulin infusion2,417US 6,558,351 B1Medtronic MiniMed, Inc. · 2003