Multi-start closures for open implants
US8911479B2 · kind B2 · utility
46Cited by
348References
22Claims
0Family size
Inventors
Key dates
| Filing date | Jan 10, 2013 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Jan 10, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An open implant closure structure includes a helically wound guide and advancement structure having at least two helically wound forms thereon providing a multi-start closing mechanism for use between spaced arms of a cooperating open medical implant having mating helically wound structure thereon. Illustrated structures include interlocking flange forms, v-threads, square threads, reverse angle threads and buttress threads and receivers with break-off extensions and cooperating tooling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.