A61M 1/00
Suction or pumping devices for medical purposes
Official title: Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems (catheters A61M25/00; tube connectors, tube couplings, valves or branch units specially adapted for medical use A61M39/00; devices for taking samples of blood A61B5/15; filters implantable into blood vessels A61F2/01)
A61M1/00 (Suction or pumping devices for medical purposes) appears on 21,206 US grants and 24,007 published applications in this corpus.
Search patents in A61M- Granted patents
- 21,206
- Published applications
- 24,007
- Assignees
- 5,308
- Inventors
- 26,933
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 100 | 0 |
| 1977 | 90 | 0 |
| 1978 | 72 | 0 |
| 1979 | 57 | 0 |
| 1980 | 109 | 0 |
| 1981 | 106 | 0 |
| 1982 | 91 | 0 |
| 1983 | 98 | 0 |
| 1984 | 137 | 0 |
| 1985 | 91 | 0 |
| 1986 | 114 | 0 |
| 1987 | 203 | 0 |
| 1988 | 189 | 0 |
| 1989 | 210 | 0 |
| 1990 | 204 | 0 |
| 1991 | 208 | 0 |
| 1992 | 200 | 0 |
| 1993 | 211 | 0 |
| 1994 | 245 | 0 |
| 1995 | 238 | 0 |
| 1996 | 242 | 0 |
| 1997 | 299 | 0 |
| 1998 | 357 | 0 |
| 1999 | 337 | 0 |
| 2000 | 315 | 0 |
| 2001 | 318 | 138 |
| 2002 | 310 | 451 |
| 2003 | 382 | 527 |
| 2004 | 351 | 590 |
| 2005 | 276 | 583 |
| 2006 | 264 | 513 |
| 2007 | 235 | 557 |
| 2008 | 209 | 602 |
| 2009 | 259 | 721 |
| 2010 | 454 | 835 |
| 2011 | 462 | 850 |
| 2012 | 587 | 878 |
| 2013 | 755 | 996 |
| 2014 | 721 | 1140 |
| 2015 | 742 | 1045 |
| 2016 | 732 | 1054 |
| 2017 | 860 | 1208 |
| 2018 | 856 | 1179 |
| 2019 | 1117 | 1427 |
| 2020 | 1013 | 1459 |
| 2021 | 961 | 1346 |
| 2022 | 1007 | 1419 |
| 2023 | 971 | 1262 |
| 2024 | 1121 | 1264 |
| 2025 | 1029 | 1138 |
| 2026 | 691 | 825 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61M 1/36Suction or pumping devices for medical purposes: other treatment of blood in8,305
- A61M 1/14Dialysis systems6,438
- A61M 1/71Suction drainage systems5,095
- A61M 1/34Filtering material out of the blood by passing it through a membrane2,499
- A61M 1/84Drainage tubes2,424
- A61M 1/90Negative pressure wound therapy devices, i.e. devices for applying suction to a2,418
- A61M 1/02Blood transfusion apparatus1,646
- A61M 1/80Suction pumps1,342
All 18 subgroupsShow fewer
- A61M 1/60Containers for suction drainage, adapted to be used with an external suction1,182
- A61M 1/06Milking pumps702
- A61M 1/64Containers with integrated suction means596
- A61M 1/88Draining devices having means for processing the drained fluid377
- A61M 1/89Suction aspects of liposuction212
- A61M 1/69Drainage containers not being adapted for subjection to vacuum179
- A61M 1/70Gravity drainage systems113
- A61M 1/83Tube strippers, i.e. for clearing the contents of the tubes95
- A61M 1/04Artificial pneumothorax apparatus91
- A61M 1/08Cupping glasses , i.e. for enhancing blood circulation51
Recent patents
- Fluid feeding and suction apparatus, endoscope system, and method of suction residue by endoscope system6 Oct 2026US 12,751,609 B2Olympus Medical Systems Corp.
- Kidney stone treatment system6 Oct 2026US 12,751,728 B2Calyxo, Inc.
- Computer-aided vacuum thrombectomy systems and methods for estimating therapeutic benefit6 Oct 2026US 12,751,729 B1Penumbra, Inc.
- Fluid collection devices, fluid collection systems including the same, and methods of using the same6 Oct 2026US 12,751,854 B2Purewick Corporation
- Sensor positioning and optical sensing for sensor enabled wound therapy dressings and systems6 Oct 2026US 12,751,864 B2Smith & Nephew, Inc.
- Large bore suction overtube8 Oct 2026US 2026/0305924 A1
- Method and device for monitoring and optimizing a temporal trigger stability by means of a p-wave and/or t-wave8 Oct 2026US 2026/0306004 A1
- Systems, devices, and methods of treating a narrowing of a blood vessel8 Oct 2026US 2026/0306284 A1Route 92 Medical, Inc.
- Tissue Interface For Tissue Debridement8 Oct 2026US 2026/0306303 A1KCI Manufacturing Unlimited Company
- Specialty-specific inflow pump parameters8 Oct 2026US 2026/0306723 A1Arthrex, Inc.
Most cited
By later US patents
- Endoscopic electrosurgical apparatus2,415US 5,334,183 AValleylab, Inc. · 1994
- Surgical tool2,269US 5,395,312 A1995
- Robotic surgical instruments with a fluid flow control system for irrigation, aspiration, and blowing2,107US 8,241,271 B2Intuitive Surgical Operations, Inc. · 2012
- Wound treatment employing reduced pressure2,003US 5,636,643 AWake Forest University · 1997
- Non-circular resection device and endoscope1,951US 6,629,630 B2SciMed Life Systems, Inc. · 2003