A61B 5/150244
Rods for actuating or driving the piston, i.e. the cylindrical body that
Official title: {Rods for actuating or driving the piston, i.e. the cylindrical body that sits inside the syringe barrel, typically with an air tight seal, and slides in the barrel to create a vacuum or to expel blood}
A61B5/150244 (Rods for actuating or driving the piston, i.e. the cylindrical body that) appears on 407 US grants and 380 published applications in this corpus.
Search patents in A61B- Granted patents
- 407
- Published applications
- 380
- Assignees
- 180
- Inventors
- 681
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 12 |
| 2003 | 8 | 11 |
| 2004 | 6 | 15 |
| 2005 | 6 | 13 |
| 2006 | 6 | 14 |
| 2007 | 5 | 12 |
| 2008 | 5 | 10 |
| 2009 | 4 | 15 |
| 2010 | 11 | 10 |
| 2011 | 6 | 14 |
| 2012 | 12 | 13 |
| 2013 | 9 | 12 |
| 2014 | 6 | 19 |
| 2015 | 10 | 17 |
| 2016 | 7 | 16 |
| 2017 | 16 | 12 |
| 2018 | 15 | 22 |
| 2019 | 12 | 11 |
| 2020 | 9 | 16 |
| 2021 | 12 | 31 |
| 2022 | 17 | 18 |
| 2023 | 12 | 16 |
| 2024 | 10 | 18 |
| 2025 | 13 | 23 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for drawing blood and other bodily fluids19 May 2026US 12,629,069 B2
- Syringe for obtaining a target volume of blood17 Mar 2026US 12,575,771 B2Radiometer Medical ApS
- Devices and methods for bodily fluid collection and distribution17 Mar 2026US 12,575,772 B2Magnolia Medical Technologies, Inc.
- Systems and methods for delivering a fluid to a patient with reduced contamination17 Mar 2026US 12,576,204 B2Magnolia Medical Technologies, Inc.
- Fluid diversion mechanism for bodily-fluid sampling17 Feb 2026US 12,551,150 B2Magnolia Medical Technologies, Inc.
- Fluid diversion mechanism for bodily-fluid sampling24 Sep 2026US 2026/0283515 A1Magnolia Medical Technologies, Inc.
- Devices and methods for bodily fluid collection and distribution18 Jun 2026US 2026/0165624 A1Magnolia Medical Technologies, Inc.
- Systems and methods for delivering a fluid to a patient with reduced contamination18 Jun 2026US 2026/0166224 A1Magnolia Medical Technologies, Inc.
- Fluid diversion mechanism for bodily-fluid sampling4 Jun 2026US 2026/0151061 A1Magnolia Medical Technologies, Inc.
- Blood Sample Management Using Open Cell Foam21 May 2026US 2026/0137317 A1Becton, Dickinson and Company
Most cited
By later US patents
- Process for determining parameters of interest in living organisms625US 5,097,834 AAvl AG · 1992
- Blood and interstitial fluid sampling device407US 6,332,871 B1Amira Medical · 2001
- Portable analyte measuring system for multiple fluid samples368US 5,405,510 APPG Industries, Inc. · 1995
- Suction-type blood sampler332US 5,368,047 ANissho Corporation · 1994
- Needle tip guard for percutaneous entry needles293US 6,629,959 B2Injectimed, Inc. · 2003