A61M 1/75
Intermittent or pulsating suction
Official title: {Intermittent or pulsating suction (A61M1/63, A61M1/772 take precedence)}
A61M1/75 (Intermittent or pulsating suction) appears on 483 US grants and 577 published applications in this corpus.
Search patents in A61M- Granted patents
- 483
- Published applications
- 577
- Assignees
- 188
- Inventors
- 668
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 4 |
| 2003 | 3 | 9 |
| 2004 | 8 | 14 |
| 2005 | 7 | 10 |
| 2006 | 6 | 4 |
| 2007 | 5 | 15 |
| 2008 | 2 | 12 |
| 2009 | 3 | 12 |
| 2010 | 12 | 23 |
| 2011 | 7 | 16 |
| 2012 | 17 | 20 |
| 2013 | 17 | 30 |
| 2014 | 16 | 22 |
| 2015 | 25 | 30 |
| 2016 | 22 | 25 |
| 2017 | 15 | 30 |
| 2018 | 17 | 18 |
| 2019 | 33 | 49 |
| 2020 | 22 | 40 |
| 2021 | 28 | 31 |
| 2022 | 22 | 34 |
| 2023 | 22 | 29 |
| 2024 | 39 | 52 |
| 2025 | 33 | 30 |
| 2026 | 25 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Computer-aided vacuum thrombectomy systems and methods for estimating therapeutic benefit6 Oct 2026US 12,751,729 B1Penumbra, Inc.
- Computer-aided vacuum thrombectomy systems and methods for controlled clot aspiration22 Sep 2026US 12,740,793 B1Penumbra, Inc.
- Apparatus and methods for controlled clot aspiration8 Sep 2026US 12,727,897 B1Penumbra, Inc.
- Chest drainage systems and methods1 Sep 2026US 12,721,940 B2Atrium Medical Corporation
- Catheter systems enabling improved aspiration from cerebral arteries21 Jul 2026US 12,685,546 B2MG Stroke Analytics Inc.
- Cyclic aspiration system with a non-powered internal structural impediment engaging with a clot assisting in capture10 Sep 2026US 2026/0263681 A1Neuravi Limited
- Aspiration vacuum source13 Aug 2026US 2026/0232889 A1Neuravi Limited
- Cyclic aspiration system producing cyclic aspiration pressure waveform using vacuum pump and positive pressure pulse generator mechanism6 Aug 2026US 2026/0224794 A1Neuravi Limited
- Negative Pressure Airway Clearance System with Adaptive Suction Control and Patient-Specific Safety Mechanisms30 Jul 2026US 2026/0216456 A1
- Aspiration thrombectomy system and methods for thrombus removal with aspiration catheter25 Jun 2026US 2026/0174449 A1RapidPulse, Inc.
Most cited
By later US patents
- Wound treatment employing reduced pressure2,003US 5,636,643 AWake Forest University · 1997
- Method of treating tissue damage and apparatus for same1,737US 5,645,081 AWake Forest University · 1997
- Wearable, variable rate suction/collection device1,362US 4,710,165 A1987
- Atherectomy system with a biasing sleeve and method of using the same1,311US 4,894,051 ASurgical Systems & Instruments, Inc. · 1990
- Surgical cassette proximity sensing and latching apparatus1,181US 4,758,220 AAlcon Laboratories, Inc. · 1988