A61F 2/50
Prostheses not implantable in the body
Official title: Prostheses not implantable in the body {(closure means for urethra or rectum or for artificial body openings therefor A61F2/0004)}
A61F2/50 (Prostheses not implantable in the body) appears on 3,890 US grants and 4,412 published applications in this corpus.
Search patents in A61F- Granted patents
- 3,890
- Published applications
- 4,412
- Assignees
- 1,362
- Inventors
- 6,087
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 20 | 0 |
| 1978 | 20 | 0 |
| 1979 | 19 | 0 |
| 1980 | 18 | 0 |
| 1981 | 19 | 0 |
| 1982 | 18 | 0 |
| 1983 | 15 | 0 |
| 1984 | 18 | 0 |
| 1985 | 18 | 0 |
| 1986 | 20 | 0 |
| 1987 | 27 | 0 |
| 1988 | 19 | 0 |
| 1989 | 25 | 0 |
| 1990 | 32 | 0 |
| 1991 | 32 | 0 |
| 1992 | 41 | 0 |
| 1993 | 34 | 0 |
| 1994 | 47 | 0 |
| 1995 | 39 | 0 |
| 1996 | 53 | 0 |
| 1997 | 30 | 0 |
| 1998 | 73 | 0 |
| 1999 | 69 | 0 |
| 2000 | 59 | 0 |
| 2001 | 45 | 12 |
| 2002 | 63 | 69 |
| 2003 | 65 | 66 |
| 2004 | 55 | 89 |
| 2005 | 54 | 106 |
| 2006 | 57 | 98 |
| 2007 | 38 | 89 |
| 2008 | 53 | 92 |
| 2009 | 38 | 98 |
| 2010 | 67 | 129 |
| 2011 | 77 | 135 |
| 2012 | 91 | 158 |
| 2013 | 105 | 152 |
| 2014 | 133 | 183 |
| 2015 | 149 | 246 |
| 2016 | 132 | 254 |
| 2017 | 174 | 252 |
| 2018 | 162 | 279 |
| 2019 | 238 | 269 |
| 2020 | 249 | 278 |
| 2021 | 205 | 295 |
| 2022 | 209 | 287 |
| 2023 | 184 | 238 |
| 2024 | 195 | 205 |
| 2025 | 150 | 199 |
| 2026 | 119 | 134 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2/68Operating or control means1,919
- A61F 2/60Artificial legs or feet or parts thereof1,729
- A61F 2/78Means for protecting prostheses or for attaching them to the body1,313
- A61F 2/76Means for assembling, fitting or testing prostheses1,273
- A61F 2002/5016AdjustableIndexing code799
- A61F 2/5044Designing or manufacturing processes740
- A61F 2/54Artificial arms or hands or parts thereof683
- A61F 2002/5003Having damping meansIndexing code564
All 20 subgroupsShow fewer
- A61F 2002/5072Having spring elementsIndexing code534
- A61F 2002/5007Having elastic means different from springsIndexing code488
- A61F 2002/5081Additional featuresIndexing code393
- A61F 2002/5038Hinged jointIndexing code309
- A61F 2002/5001Cosmetic coveringsIndexing code264
- A61F 2/52Mammary prostheses172
- A61F 2002/501Having an inflatable pocket filled with fluid, i.e. liquid or gasIndexing code140
- A61F 2002/5067Having rolling elements between articulating surfacesIndexing code90
- A61F 2002/5058Having means for restoring the perception of sensesIndexing code85
- A61F 2002/5066MusclesIndexing code79
- A61F 2002/5093Tendon- or ligament-replacing cablesIndexing code78
- A61F 2002/5096Ball-and-socket jointsIndexing code36
Recent patents
- Powered-on passive knee prosthesis system6 Oct 2026US 12,751,839 B2Vanderbilt University
- Method for configuring a controller and orthopedic device, and computer program product6 Oct 2026US 12,751,840 B2Otto Bock Healthcare Products GmbH
- Lanyard systems for prosthetic devices and related methods6 Oct 2026US 12,751,841 B2Click Holdings, LLC
- Prosthetic socket system, and prosthetic socket and liner6 Oct 2026US 12,751,842 B2Otto Bock Healthcare Products GmbH
- Systems and methods for an environment-aware predictive modeling framework for human-robot symbiotic walking6 Oct 2026US 12,755,410 B2Arizona Board of Regents on behalf of Arizona State University
- Artificial knee joint, adjustment support apparatus for artificial knee joint, method of controlling artificial knee joint, and program to control artificial knee joint8 Oct 2026US 2026/0306280 A1Nabtesco Corporation
- Composite cuff regenerative peripheral nerve interface (cc-rpni)8 Oct 2026US 2026/0306281 A1The Regents of the University of Michigan
- Muscle cuff and skin regenerative peripheral nerve interface (rpni) with electrodes in muscle and skin8 Oct 2026US 2026/0306282 A1The Regents of the University of Michigan
- Method of fitting a prosthetic interface system using compliant members8 Oct 2026US 2026/0306283 A1
- Unified controller for powered ankle assistive devices8 Oct 2026US 2026/0306341 A1
Most cited
By later US patents
- System of implantable devices for monitoring and/or affecting body parameters1,489US 6,208,894 B1Alfred E. Mann Foundation for Scientific Research and Advanced Bionics · 2001
- Implantable transponder systems and methods1,388US 8,457,757 B2Micro Transponder, Inc. · 2013
- System of implantable devices for monitoring and/or affecting body parameters869US 6,164,284 A2000
- Battery-powered patient implantable device821US 6,185,452 B22001
- Implants for replacing cartilage, with negatively-charged hydrogel surfaces and flexible matrix reinforcement785US 9,314,339 B2Formae, Inc. · 2016