A61F 2/44
For the spine
Official title: for the spine, e.g. vertebrae or spinal discs
A61F2/44 (For the spine) appears on 9,230 US grants and 11,643 published applications in this corpus.
Search patents in A61F- Granted patents
- 9,230
- Published applications
- 11,643
- Assignees
- 1,718
- Inventors
- 7,217
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 25 | 0 |
| 1995 | 25 | 0 |
| 1996 | 35 | 0 |
| 1997 | 55 | 0 |
| 1998 | 52 | 0 |
| 1999 | 62 | 0 |
| 2000 | 105 | 0 |
| 2001 | 107 | 61 |
| 2002 | 139 | 241 |
| 2003 | 170 | 285 |
| 2004 | 161 | 473 |
| 2005 | 112 | 501 |
| 2006 | 185 | 527 |
| 2007 | 169 | 572 |
| 2008 | 101 | 565 |
| 2009 | 230 | 473 |
| 2010 | 329 | 470 |
| 2011 | 388 | 470 |
| 2012 | 439 | 524 |
| 2013 | 496 | 434 |
| 2014 | 492 | 549 |
| 2015 | 471 | 475 |
| 2016 | 509 | 546 |
| 2017 | 544 | 564 |
| 2018 | 499 | 560 |
| 2019 | 480 | 513 |
| 2020 | 433 | 483 |
| 2021 | 400 | 446 |
| 2022 | 423 | 475 |
| 2023 | 413 | 410 |
| 2024 | 415 | 402 |
| 2025 | 426 | 359 |
| 2026 | 251 | 265 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2/4455For the fusion of spinal bodies6,170
- A61F 2/442Intervertebral or spinal discs5,145
- A61F 2002/448Comprising multiple adjacent spinal implants within the same intervertebral space or withinIndexing code1,486
- A61F 2/441Made of inflatable pockets or chambers filled with fluid775
- A61F 2/4405For apophyseal or facet joints, i.e. between adjacent spinous or transverse processes694
- A61F 2002/4495Having a fabric structureIndexing code495
- A61F 2002/4415Elements of the prosthesis being arranged in a chain like mannerIndexing code393
- A61F 2002/449Comprising multiple spinal implants located in different intervertebral spaces or in differentIndexing code323
Recent patents
- Multi-piece intervertebral implants6 Oct 2026US 12,751,832 B2
- Sensor enabled interbody implants and methods for manufacturing same6 Oct 2026US 12,751,833 B2Nanohive Medical LLC
- Transforaminal lumbar interbody fusion implant6 Oct 2026US 12,751,834 B2
- Articulating expandable intervertebral implant6 Oct 2026US 12,751,835 B2Globus Medical, Inc.
- Interfixated vertebral body replacement and insertion methods6 Oct 2026US 12,751,837 B2NuVasive, Inc.
- Implants and Instruments with Flexible Features8 Oct 2026US 2026/0306270 A1VB Spine US Opco LLC
- Implants for spinal fixation and or fusion8 Oct 2026US 2026/0306271 A1SI-Bone Inc.
- Interbody fusion system8 Oct 2026US 2026/0306272 A1Globus Medical, Inc.
- Interbody spinal implants8 Oct 2026US 2026/0306274 A1GetSet Surgical SA
- Systems and methods for prone lateral spine surgery8 Oct 2026US 2026/0306276 A1
Most cited
By later US patents
- Surgical instruments and method useful for endoscopic spinal procedures1,743US 5,599,279 AUnited States Surgical Corporation · 1997
- Intervertebral disc prosthesis1,635US 4,349,921 A1982
- Remotely powered and remotely interrogated wireless digital sensor telemetry system1,600US 7,256,695 B2Microstrain, Inc. · 2007
- Anterior buttress staple1,560US 7,341,591 B2DePuy Spine, Inc. · 2008
- Shape memory alloy staple1,556US 6,325,805 B1SDGI Holdings, Inc. · 2001