A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
210/47
A61M 5/00 (2006.01) A61J 1/00 (2006.01)
Patent
CA 1189830
ABSTRACT A container for delivery and/or collection of a fluid, in particular a liquid. The container comprises an observation marking which is adapted so as to show up in accordance with variations in the fluid level in the container for rapid indication of the quantity of fluid present at any given instant of observa- tion. The observation marking preferably comprises a first pat- tern arranged on one side of the container and a second pattern arranged on the other side of the container, the said first and second patterns being adapted so that by combined action with one another they give rise to a third clearly discer- nible pattern in a direction of observation from the said other side of the container on observation levels above the liquid level in the container. The container is manufactured appropriately from a flexible material, for example plastics, in the shape of a bag with at least one inlet communicating with the interior of the bag. As a result of this the material properties of the bag can be uti- lized for a clearer showing up of the third pattern , since the two sides of the bag will be sucked towards each other owing to the vacuum which is produced in the empty space above the falling liquid level . A reading scale adapted to the quantity of enclosed liquid may be arranged, for example, in association with the observation marking , so that the observation marking can be made use of also as a means for facilitating the accurate reading of this scale in that the observation marking clearly indicates the intersection between the liquid level and the reading scale .
405152
Claren Jan S.
Olsson Lars-Goran
Paulsson Bengt G.
Gambro Lundia Aktiebolag
Marks & Clerk
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