A61M 1/3632
Combined venous-cardiotomy reservoirs
Official title: {Combined venous-cardiotomy reservoirs}
A61M1/3632 (Combined venous-cardiotomy reservoirs) appears on 102 US grants and 62 published applications in this corpus.
Search patents in A61M- Granted patents
- 102
- Published applications
- 62
- Assignees
- 41
- Inventors
- 147
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 5 | 8 |
| 2018 | 2 | 0 |
| 2019 | 4 | 4 |
| 2020 | 5 | 2 |
| 2021 | 2 | 0 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blood reservoir with blood-handling assembly22 Sep 2026US 12,741,071 B2Sorin Group Italia S.r.l.
- Treatment of bleeding wounds11 Aug 2026US 12,702,740 B2
- Dynamic control of subordinate pumps in a heart-lung-machine9 Jun 2026US 12,649,024 B2LivaNova Deutschland GmbH
- Microplegia delivery system14 Oct 2025US 12,440,619 B2Terumo Cardiovascular Systems Corporation
- Dual chamber blood reservoir16 Sep 2025US 12,415,024 B2Sorin Group Italia S.r.l.
- Dynamic control of subordinate pumps in a heart-lung-machine17 Sep 2026US 2026/0273158 A1LivaNova Deutschland GmbH
- Heart-lung machine with semi-autonomous initiation mode29 May 2025US 2025/0170320 A1Terumo Cardiovascular Systems Corporation
- Blood reservoir with blood-handling assembly17 Oct 2024US 2024/0342355 A1Sorin Group Italia S.r.l.
- System and method for cardiopulmonary bypass using hypobaric oxygenation3 Oct 2024US 2024/0325614 A1
- Blood circulation circuit23 May 2024US 2024/0165312 A1JMS Co., Ltd.
Most cited
By later US patents
- Extracorporeal blood oxygenation system incorporating integrated reservoir-membrane oxygenerator-heat exchanger and pump assembly220US 5,270,005 ABaxter International Inc. · 1993
- Combined cardiotomy/venous/pleural drainage autotransfusion unit with filter and integral manometer and water seal184US 5,158,533 AGish Biomedical, Inc. · 1992
- Vacuum-assisted venous drainage reservoir for CPB systems157US 6,017,493 ABaxter International Inc. · 2000
- Perfusion system153US 5,823,986 AMedtronic, Inc. · 1998
- Unitary venous return reservoir with cardiotomy filter115US 4,642,089 AShiley Incorporated · 1987