A61M 1/3661
For haemodialysis
Official title: {for haemodialysis}
A61M1/3661 (For haemodialysis) appears on 471 US grants and 623 published applications in this corpus.
Search patents in A61M- Granted patents
- 471
- Published applications
- 623
- Assignees
- 172
- Inventors
- 721
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 4 |
| 2003 | 6 | 15 |
| 2004 | 5 | 28 |
| 2005 | 7 | 27 |
| 2006 | 21 | 22 |
| 2007 | 7 | 18 |
| 2008 | 5 | 21 |
| 2009 | 9 | 26 |
| 2010 | 17 | 33 |
| 2011 | 19 | 22 |
| 2012 | 25 | 30 |
| 2013 | 23 | 38 |
| 2014 | 22 | 31 |
| 2015 | 23 | 30 |
| 2016 | 29 | 31 |
| 2017 | 26 | 18 |
| 2018 | 21 | 20 |
| 2019 | 26 | 46 |
| 2020 | 25 | 38 |
| 2021 | 10 | 19 |
| 2022 | 31 | 30 |
| 2023 | 22 | 28 |
| 2024 | 28 | 19 |
| 2025 | 15 | 18 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precision-controlled conduit restriction device6 Oct 2026US 12,752,097 B2Renal Devices Inc.
- Transformable dual lumen cannula into a single lumen cannula and methods of use18 Aug 2026US 12,708,742 B2Inspira-Technologies OXY B.H.N. LTD.
- Hemodialysis access method for a patient30 Jun 2026US 12,667,654 B2
- Vascular access methods21 Apr 2026US 12,605,514 B2X9, Inc.
- Cuffed and non-cuffed dialysis catheter systems and methods14 Apr 2026US 12,599,746 B2
- Method for removing uremic toxins from blood1 Oct 2026US 2026/0295137 A1Hospices Civils De Lyon
- Hemodialysis access method for a patient and associated dialysis stent for use with an arteriovenous fistula or graft17 Sep 2026US 2026/0273155 A1
- Cuffed and non-cuffed dialysis catheter systems and methods6 Aug 2026US 2026/0224845 A1
- Implantable medical devices and tubing23 Jul 2026US 2026/0207887 A1Cerulean Scientific Inc.
- Hemodialysis access method for a patient25 Jun 2026US 2026/0174947 A1
Most cited
By later US patents
- Triple lumen catheter365US 5,195,962 AVas-Cath Incorporated · 1993
- Multiple-lumen catheter320US 5,221,256 A1993
- Multi-lumen coaxial catheter and method for making same270US 5,718,678 AMedical Components, Inc. · 1998
- Dual-lumen catheter-connecting system266US 4,895,561 A1990
- Catheter with multiple lumens260US 5,405,341 AMed-Pro Design, Inc. · 1995