An improved drop counter.

摘要

The present invention relates to a drop counter device which is to be positioned on the opening of a container holding a liquid, characterised in that the device consists of a nipple which is to be tightly attached onto said opening and containing a substantially undeformable channel 6 connecting the inside of the container to the outside thereof, the said nipple also containing a chamber 8, of which at least one wall 10 is elastically deformable under pressure, the chamber being adjacent to said channel and in contact with the inside of the container, and the said chamber and said channel being separated by a substantially undeformable wall 9.