The invention provides punctal plugs for the delivery of active agent to one or both of the tear fluid of the eye and to the nasolacrimal duct that comprise a body, at least one cap, and optionally a collarette.
申请公布号
EP2032101(A2)
申请公布日期
2009.03.11
申请号
EP20070812156
申请日期
2007.06.15
申请人
JOHNSON & JOHNSON VISION CARE, INC.
发明人
CUI, HAN;LI, ZHIGANG;MENEZES, EDGAR V.;NATHAN, ARUNA;TREZZA, MICHAEL J. II