A61M 1/169
Using chemical substances
Official title: {using chemical substances}
A61M1/169 (Using chemical substances) appears on 235 US grants and 178 published applications in this corpus.
Search patents in A61M- Granted patents
- 235
- Published applications
- 178
- Assignees
- 64
- Inventors
- 360
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 19 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 7 |
| 2003 | 1 | 5 |
| 2004 | 3 | 2 |
| 2005 | 4 | 9 |
| 2006 | 1 | 2 |
| 2007 | 3 | 1 |
| 2008 | 4 | 6 |
| 2009 | 2 | 5 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 5 | 6 |
| 2014 | 1 | 10 |
| 2015 | 5 | 7 |
| 2016 | 4 | 9 |
| 2017 | 8 | 14 |
| 2018 | 14 | 11 |
| 2019 | 16 | 9 |
| 2020 | 7 | 10 |
| 2021 | 9 | 10 |
| 2022 | 6 | 8 |
| 2023 | 10 | 11 |
| 2024 | 12 | 14 |
| 2025 | 12 | 10 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Access system for a medical treatment device for extracting or adding a medical liquid, and medical treatment device having an access of this kind25 Aug 2026US 12,714,842 B2Fresenius Medical Care Deutschland GmbH
- Device for delivery of antimicrobial agent into a medical device4 Aug 2026US 12,697,477 B2ICU Medical, Inc.
- Systems, devices and methods for peritoneal dialysate production and delivery21 Jul 2026US 12,685,807 B2Liberdi Ltd.
- Peritoneal dialysis system having disinfection gas relief26 May 2026US 12,636,416 B2Baxter Healthcare S. A.
- Reducing biofilm build-up in a dialysate pathway by using ultrasonication and ionization12 May 2026US 12,623,009 B2Fresenius Medical Care Deutschland GmbH
- Extracorporeal blood treatment device with shortened disinfection time13 Aug 2026US 2026/0232881 A1
- Methods and compositions for decontaminating pd catheters18 Jun 2026US 2026/0166599 A1Baxter Healthcare S. A.
- Methods and compositions for decontaminating pd catheters15 Jan 2026US 2026/0014600 A1Baxter Healthcare S. A.
- Device and method for air-free filling of a fluid management system25 Dec 2025US 2025/0387551 A1Fresenius Medical Care Deutschland GmbH
- Multi-functional peritoneal dialysis mobile cart11 Sep 2025US 2025/0281684 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Method and apparatus for kidney dialysis736US 5,247,434 AAlthin Medical, Inc. · 1993
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Apparatus for performing a self-test of kidney dialysis membrane466US 5,486,286 AAlthin Medical, Inc. · 1996
- Apparatus for kidney dialysis434US 5,744,027 AAlthin Medical, Inc. · 1998
- Method and apparatus for kidney dialysis321US 6,284,131 B1Baxter International Inc. · 2001