Ethmoidotomy system and implantable spacer devices having therapeutic substance delivery capability for treatment of paranasal sinusitis
US8864787B2 · kind B2 · utility
29Cited by
688References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2008 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Jan 2, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/105
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Substance delivering spacer devices may comprise expandable reservoirs that are implantable in paranasal sinuses and other cavities, openings and passageways of the body to maintain patency and to provide sustained local delivery of a therapeutic or diagnostic substance. Also provided are sinus penetrator devices and systems for performing ethmoidotomy procedures or for creating other openings in the walls of paranasal sinuses or other anatomical structures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.