A61F 2/4455
For the fusion of spinal bodies
Official title: {for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages (intervertebral discs A61F2/442)}
A61F2/4455 (For the fusion of spinal bodies) appears on 6,170 US grants and 7,401 published applications in this corpus.
Search patents in A61F- Granted patents
- 6,170
- Published applications
- 7,401
- Assignees
- 1,093
- Inventors
- 4,816
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 16 | 0 |
| 1997 | 35 | 0 |
| 1998 | 32 | 0 |
| 1999 | 41 | 0 |
| 2000 | 72 | 0 |
| 2001 | 69 | 41 |
| 2002 | 86 | 154 |
| 2003 | 103 | 145 |
| 2004 | 96 | 236 |
| 2005 | 62 | 206 |
| 2006 | 96 | 171 |
| 2007 | 88 | 192 |
| 2008 | 53 | 185 |
| 2009 | 96 | 196 |
| 2010 | 127 | 217 |
| 2011 | 179 | 265 |
| 2012 | 201 | 322 |
| 2013 | 277 | 300 |
| 2014 | 294 | 385 |
| 2015 | 295 | 350 |
| 2016 | 355 | 393 |
| 2017 | 390 | 423 |
| 2018 | 372 | 442 |
| 2019 | 369 | 404 |
| 2020 | 338 | 389 |
| 2021 | 342 | 382 |
| 2022 | 353 | 394 |
| 2023 | 348 | 349 |
| 2024 | 356 | 335 |
| 2025 | 363 | 308 |
| 2026 | 212 | 217 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Anterior buttress staple1,560US 7,341,591 B2DePuy Spine, Inc. · 2008
- Shape memory alloy staple1,556US 6,325,805 B1SDGI Holdings, Inc. · 2001
- Osteogenic implants derived from bone1,550US 6,863,694 B1Osteotech, Inc. · 2005