B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/93
B65D 47/08 (2006.01) A61J 1/14 (2006.01) B05B 11/00 (2006.01) B05B 11/04 (2006.01) B65D 47/14 (2006.01) B65D 47/20 (2006.01) B65D 51/16 (2006.01)
Patent
CA 1340719
A liquid dispensing nozzle assembly is provided for mounting on a liquid container and dispenser having a flexible wall and liquid storage cavity for manually squeezed dispensing of a liquid from the cavity through the nozzle assembly. The nozzle assembly maintains the liquid, such as contact lens saline solution, in sterile condition during storage and repeated dispensing of the liquid from the container cavity. The nozzle assembly includes a liquid conduit for communication from the container cavity to a liquid discharge port from the nozzle assembly to enable dispensing of the liquid displaced by manually squeezing the flexible wall of the container. The nozzle assembly also includes an air aspiration conduit separate from the liquid conduit for aspirating air into the container cavity to replace the dispensed liquid. The nozzle assembly includes a partitioned diaphragm including separate portions respectively included in the liquid conduit and tree air aspiration conduit. The air conduit portion of the diaphragm can include a filter which is hydrophobic and air permeable but impermeable to bacteria to prevent entrainment of bacteria with the aspirating flow of air into the liquid storage cavity of the container.
614622
Kanner Rowland William
Ranalletta Joseph V.
Williams Fred E. Jr.
Atrion Medical Products Inc.
Pk Scientific Inc.
Ryder International Corporation
Smart & Biggar
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