Embolic compositions
US8221735B2 · kind B2 · utility
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31References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 23, 2009 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Apr 30, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/36
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embolic compositions comprising macromers having a backbone comprising a polymeric backbone comprising units with a 1,2-diol or 1,3-diol structure, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionally, other modifiers. When crosslinked, the macromers form hydrogels having many properties advantageous for use as embolic agents to block and fill lumens and spaces. The embolic compositions can be used as liquid embolic agents and crosslinked in situ or as preformed embolic articles, such as microspheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.