Precision release tip for medicinal liquid dropper

Details Precision release tip for medicinal liquid dropper Precision release tip for medicinal liquid dropper

1998-09-18

2000-10-10

Derakshani, Philippe

Dispensing

Drop formers

222571, 604295, B65D 4718

Patent

active

061292486

ABSTRACT:
A tip 10 for a liquid dropper 2 is provided which allows liquids such as eye medication to be easily and precisely released from the dropper. The tip 10 is oriented in a substantially horizontal position with an opening 20 in the tip 10 located directly above the targeted area of a patient's eye E. The opening 20 is surrounded by a substantially planar annular face 30 which enhances control of the trajectory of each dispensed droplet D. The annular face 30 encourages the release of each droplet D along the plane formed by the annular face 30. A perimeter ring 40 circumscribes the annular face 30 and abuts a circumambient notch 50. The narrow width 42 of the perimeter ring 40, juxtaposed against the geometric departure of the notch 50, creates an impediment to wettable adhesion of each droplet D to an exterior surface of the tip 10 by minimizing the lateral wettable area available to a droplet D as it exits the opening 20, descends along the annular face 30, then drops toward the eye E of the patient.

REFERENCES:
patent: 4338936 (1982-07-01), Nelson
patent: 4792334 (1988-12-01), Py
patent: 4927062 (1990-05-01), Walsh
patent: 5267986 (1993-12-01), Py

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