A61B 5/0813
Measurement of pulmonary parameters by tracers
Official title: {Measurement of pulmonary parameters by tracers, e.g. radioactive tracers}
A61B5/0813 (Measurement of pulmonary parameters by tracers) appears on 132 US grants and 119 published applications in this corpus.
Search patents in A61B- Granted patents
- 132
- Published applications
- 119
- Assignees
- 86
- Inventors
- 268
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 2 |
| 2003 | 6 | 6 |
| 2004 | 0 | 2 |
| 2005 | 4 | 8 |
| 2006 | 2 | 2 |
| 2007 | 2 | 6 |
| 2008 | 1 | 4 |
| 2009 | 0 | 4 |
| 2010 | 5 | 7 |
| 2011 | 4 | 8 |
| 2012 | 4 | 2 |
| 2013 | 5 | 9 |
| 2014 | 5 | 5 |
| 2015 | 1 | 10 |
| 2016 | 4 | 9 |
| 2017 | 5 | 8 |
| 2018 | 9 | 3 |
| 2019 | 5 | 5 |
| 2020 | 3 | 8 |
| 2021 | 4 | 4 |
| 2022 | 5 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for determining the hemoglobin count of a patient18 Nov 2025US 12,471,809 B2OpCO Medical Aps
- Monitoring of patients for sepsis based on radioisotope level8 Apr 2025US 12,268,513 B2
- Dynamic 129Xe gas exchange spectroscopy2 Apr 2024US 11,944,424 B2Duke University
- Methods and devices for passive residual lung volume reduction and functional lung volume expansion30 Jan 2024US 11,883,029 B2Pulmonx Corporation
- Sensing system for respirator24 Oct 2023US 11,793,422 B23M Innovative Properties Company
- Dynamic 129xe gas exchange spectroscopy28 Aug 2025US 2025/0268486 A1Duke University
- Monitoring of patients for sepsis based on radioisotope level13 Mar 2025US 2025/0082259 A1
- Dynamic 129xe gas exchange spectroscopy19 Sep 2024US 2024/0306933 A1Duke University
- Methods and devices for passive residual lung volume reduction and functional lung volume expansion5 Jan 2023US 2023/0000497 A1Pulmonx Corporation
- Substance delivery arrangement for gas therapy device2 Jun 2022US 2022/0168534 A1Fisher & Paykel Healthcare Limited
Most cited
By later US patents
- Nebulization system140US 4,094,317 A1978
- 13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control118US 7,118,919 B2Isotechnika Inc. · 2006
- Non-invasive, miniature, breath monitoring apparatus111US 6,599,253 B1Oak Crest Institute of Science · 2003
- Method and apparatus for measuring pulmonary blood flow by pulmonary exchange of oxygen and an inert gas with the blood87US 6,659,961 B22003
- Method and apparatus for bolus delivery of gases and aerosols and insufflations85US 4,706,683 ABowman Gray School of Medicine, Wake Forest University · 1987