Hydration prevention coating
US9427352B2 · kind B2 · utility
0Cited by
2References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | May 10, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2420/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Occlusion devices and delivery systems are described in which a polymerizing oil is used to protect a hydrogel from premature swelling. In an embodiment, a delivery system includes an occlusion device releasably coupled within a catheter sheath. The occlusion device includes an expandable implant and a hydrogel. An at least partially oxidized polymerizing oil is inside a lumen of the catheter sheath between the distal end of the catheter sheath and the hydrogel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.