A61F 2/3609
Femoral heads or necks
Official title: {Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts (A61F2/3601 takes precedence)}
A61F2/3609 (Femoral heads or necks) appears on 1,965 US grants and 1,685 published applications in this corpus.
Search patents in A61F- Granted patents
- 1,965
- Published applications
- 1,685
- Assignees
- 568
- Inventors
- 2,835
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 15 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 30 | 0 |
| 1988 | 21 | 0 |
| 1989 | 42 | 0 |
| 1990 | 39 | 0 |
| 1991 | 50 | 0 |
| 1992 | 39 | 0 |
| 1993 | 24 | 0 |
| 1994 | 38 | 0 |
| 1995 | 29 | 0 |
| 1996 | 47 | 0 |
| 1997 | 55 | 0 |
| 1998 | 58 | 0 |
| 1999 | 74 | 0 |
| 2000 | 52 | 0 |
| 2001 | 70 | 18 |
| 2002 | 50 | 65 |
| 2003 | 44 | 76 |
| 2004 | 48 | 111 |
| 2005 | 41 | 125 |
| 2006 | 44 | 90 |
| 2007 | 37 | 96 |
| 2008 | 30 | 95 |
| 2009 | 45 | 64 |
| 2010 | 61 | 65 |
| 2011 | 58 | 63 |
| 2012 | 60 | 94 |
| 2013 | 56 | 55 |
| 2014 | 76 | 62 |
| 2015 | 57 | 50 |
| 2016 | 65 | 68 |
| 2017 | 49 | 54 |
| 2018 | 46 | 52 |
| 2019 | 49 | 58 |
| 2020 | 49 | 55 |
| 2021 | 48 | 55 |
| 2022 | 48 | 59 |
| 2023 | 19 | 45 |
| 2024 | 37 | 48 |
| 2025 | 37 | 34 |
| 2026 | 29 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Orthopaedic surgical instrument, system, and method for installing a cementless femoral stem component in a direct anterior approach hip replacement surgical procedure6 Oct 2026US 12,751,838 B2Depuy Ireland Unlimited Company
- Hip joint device and method25 Aug 2026US 12,714,569 B2
- Hip stem alignment guide25 Aug 2026US 12,714,577 B2Howmedica Osteonics Corp.
- Hip joint method18 Aug 2026US 12,708,375 B2
- Hip joint method28 Jul 2026US 12,690,975 B2
- Hip joint device and method3 Sep 2026US 2026/0256593 A1
- Mechanical implant for hip and shoulder arthroplasty20 Aug 2026US 2026/0240660 A1
- Improvements in and relating to surgical instruments20 Aug 2026US 2026/0240663 A1Depuy Ireland Unlimited Company
- Liner locking systems and assembly methods for arthroplasty implant systems13 Aug 2026US 2026/0232454 A1Arthrex, Inc.
- Apparatus, system, and method for determining a position of a hip prosthesis in a bone of a patient6 Aug 2026US 2026/0224289 A1Depuy Ireland Unlimited Company
Most cited
By later US patents
- Computer-assisted surgery planner and intra-operative guidance system1,223US 6,205,411 B1Carnegie Mellon University · 2001
- Femoral prosthesis trial fitting device1,178US 4,135,517 AMinnesota Mining and Manufacturing Company · 1979
- Femoral stem surgical instrument system1,106US 4,919,679 AOsteonics Corp. · 1990
- Miniature implanted orthopedic sensors845US 6,447,448 B1Ball Semiconductor, Inc. · 2002
- Inflatable device for use in surgical protocols relating to treatment of fractured or diseased bones839US 5,827,289 A1998