公开(公告)号：US20220193323A1

公开(公告)日：2022-06-23

申请号：US17644220

申请日：2021-12-14

Applicant: Alcon Inc.

Inventor： Sean Christopher Madden ,  Parthasarathy Parishram

IPC: A61M1/00 ,  A61F9/007

Abstract: The present disclosure generally relates to fluid control valves for delivering and/or aspirating fluid during ophthalmic surgeries and procedures. In one embodiment, a valve assembly includes a first portion configured to fluidly couple with a gas supply line and a second portion configured to fluidly couple with a liquid supply line and an infusion line. The first portion and the second portion are partitioned or separated from each other by a filter having a hydrophobic membrane configured to prevent the flow of liquids therethrough while allowing the free flow of gas. Accordingly, an infusion liquid may be flown through the second portion while gases may be simultaneously aspirated through the first portion, without any liquids travelling into the gas supply line. The gas supply line may thus be utilized to vent or purge gases from the infusion line before or during performance of surgical procedures.