Patent ID: 11931749
Assignee: GERRESHEIMER BOLESLAWIEC SPOLKA AKCYJNA
Field: Medical technology (Instruments)
Classification: CPC B  A | IPC A  B

Claim 0:
1. A dispenser for dispensing ophthalmic liquids that is configured for being mounted on a neck of an ophthalmic liquids reservoir, comprising:
an exterior flange protruding from a bushing, the exterior flange being configured to be fitted onto the neck of the reservoir to mount the dispenser to the reservoir with the bushing entering the neck of the reservoir, the bushing having an interior flange with a cut-out in a radially inner surface of the interior flange;
a dispensing domed tip situated on the opposite side of the bushing so that, when the exterior flange is connected to the neck of the reservoir, the domed tip protrudes outside the reservoir, the domed tip comprising a dispensing opening through to an interior of the domed tip and an inner flange which extends radially inward from the domed tip, the inner flange comprising a fin along an inner longitudinal end of the inner flange, the fin extending axially from the inner flange toward the bushing, the fin having a local gap along the inner longitudinal end of the inner flange; and
a conical element inside the bushing and the domed tip, the conical element configured to insert into the dispensing opening in the inner flange of the domed tip to block flow of liquids through the dispensing opening by abutting an interior surface of the fin, the conical element also configured to abut the interior flange of the bushing and block flow of liquids through the domed tip, the cut-out in the bushing and the local gap in the fin configured to allow a limited amount of liquid to seep through to dispense an individual drop of liquid at the dispensing opening.