The invention provides punctal plugs for the delivery of active agents 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
CA2655802(A1)
申请公布日期
2007.12.27
申请号
CA20072655802
申请日期
2007.06.15
申请人
JOHNSON & JOHNSON VISION CARE, INC.
发明人
LI, ZHIGANG;CUI, HAN;TREZZA, MICHAEL J., II;MENEZES, EDGAR V.;NATHAN, ARUNA
