Nasolacrimal duct insertion member comprising shape memory polymer
US12324870B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Oct 1, 2019 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Jul 30, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2280/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a nasolacrimal duct insertion member comprising a shape memory polymer for treatment of nasolacrimal duct obstruction/stenosis, wherein the shape memory polymer comprises a crosslinkable functional group, such that the nasolacrimal duct insertion member has a melting point suitable for implantation into a living body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.