PUNCTAL PLUGS

摘要

Punctal plugs for delivering therapeutic agents have a body, a portion into which the therapeutic agent is held, a winding about the body, and an enlarged portion or anchor at an end.

主权项

1. A lacrimal insert for delivering one or more active agents, the lacrimal insert comprising:
an elongated main body having a first end and a second end, the elongated main body including a reservoir; a collarette connected to the first end of the main body and having at least one opening in fluid communication with the reservoir, the collarette being concentrically positioned relative to the elongated main body; and a head section connected to the second end of the elongated main body, the head section including a flange portion having a lower surface with a spherical cone shape and an upper surface that is substantially bowl shaped, and a cone portion, the flange portion and the cone portion being non-concentrically positioned relative to the elongated main body.