Embolic devices
US9456823B2 · kind B2 · utility
13Cited by
171References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2012 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Apr 18, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Described herein are apparatus, compositions, systems and associated methods to occlude structures and malformations of the vasculature with radiopaque hydrogel filaments with delayed controlled rates of expansion. Further described is a device for implantation in an animal comprising a difunctional, low molecular weight ethylenically unsaturated shapeable macromer; an ethylenically unsaturated monomer; and a radiopaque element, wherein said device contains no support members. Methods of forming such devices are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.