A61B 5/0275
Using tracers
Official title: using tracers, e.g. dye dilution
A61B5/0275 (Using tracers) appears on 590 US grants and 556 published applications in this corpus.
Search patents in A61B- Granted patents
- 590
- Published applications
- 556
- Assignees
- 334
- Inventors
- 1,194
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 12 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 21 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 6 |
| 2002 | 19 | 22 |
| 2003 | 15 | 17 |
| 2004 | 17 | 18 |
| 2005 | 9 | 18 |
| 2006 | 9 | 14 |
| 2007 | 14 | 22 |
| 2008 | 4 | 24 |
| 2009 | 15 | 15 |
| 2010 | 13 | 31 |
| 2011 | 11 | 19 |
| 2012 | 16 | 19 |
| 2013 | 13 | 25 |
| 2014 | 13 | 31 |
| 2015 | 15 | 30 |
| 2016 | 13 | 18 |
| 2017 | 7 | 22 |
| 2018 | 18 | 21 |
| 2019 | 19 | 31 |
| 2020 | 21 | 34 |
| 2021 | 22 | 34 |
| 2022 | 22 | 16 |
| 2023 | 24 | 27 |
| 2024 | 19 | 16 |
| 2025 | 23 | 18 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for measuring intravascular blood flow using a backscattering contrast6 Oct 2026US 12,751,639 B2The General Hospital Corporation
- Dynamic susceptibility contrast using a pre-determined arterial input function15 Sep 2026US 12,733,810 B2Thornhill Scientific Inc.
- System and methods for monitoring and display of a hemodynamic status of a patient18 Aug 2026US 12,708,328 B2Masimo Corporation
- Non-invasive stress imaging methods of diagnosing peripheral arterial disease via dynamic pet11 Aug 2026US 12,702,307 B2Jubilant Draximage Inc.
- System and devices for monitoring a hemodynamic status of a patient2 Jun 2026US 12,642,491 B2Masimo Corporation
- Systems And Methods For Measuring Cardiac Output24 Sep 2026US 2026/0283490 A1Becton, Dickinson and Company
- Representing a quantitative property of an anatomical object in a user interface20 Aug 2026US 2026/0245244 A1Intuitive Surgical Operations, Inc.
- System and method for identifying an abnormal perfusion pattern9 Apr 2026US 2026/0096736 A1Perfusion Tech APS
- Identification of transport equations from dynamic medical imaging data12 Mar 2026US 2026/0072110 A1City of Hope
- Epidermal Devices for Analysis of Temperature and Thermal Transport Characteristics19 Feb 2026US 2026/0047766 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- Image sensor and an endoscope using the same1,237US 6,659,940 B2C2Cure, Inc. · 2003
- Multipurpose flow-directed catheter656US 3,995,623 AAmerican Hospital Supply Corporation · 1976
- Intravascular pressure and flow sensor523US 5,873,835 ASciMed Life Systems, Inc. · 1999
- Ambulatory physiological evaluation system including cardiac monitoring465US 5,111,818 ACapintec, Inc. · 1992
- Ambulatory physiological evaluation system including cardiac monitoring409US 5,007,427 ACapintec, Inc. · 1991