Multi-chamber bag for medical purposes and method for recognition of the state of a separable seam of a multi-chamber bag for medical purposes

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12171718
APP PUB NO 20210196570A1
SERIAL NO

17257866

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a multi-chamber bag 1 for medical purposes which is formed by films 2, 3, in particular flexible films, that are arranged against one another, are made of an at least partially transparent material and are interconnected in a liquid-tight manner using at least one non-separable seam 5, the bag being divided into at least two chambers 1A, 1B by at least one separable seam 8, by means of which the films arranged against one another are interconnected in a liquid-tight manner. The multi-chamber bag according to the invention is characterised by at least one visually perceptible structure 10 that signals the state of the at least one separable seam 8 and can be easily optically detected. Using this visible structure 10, the user can immediately identify whether the seam 8 is open or closed. The structure is composed of structural elements 11 which the films 2, 3 arranged against one another comprise in the region of the separable seam 8 and are in a predetermined spatial arrangement relative to one another such that the structural elements in the region of the separable seam complement one another to form the structure signalling the state of the separable seam when the separable seam is closed, such that the films in the region of the separable seam lie against one another in a predetermined orientation, and do not complement one another to form the structure signalling the state of the separable seam when the separable seam is open, such that the films in the region of the separable seam do not lie against one another in a predetermined orientation, meaning that the predetermined spatial arrangement of the structural elements relative to one another in the region of the separable seam no longer exists.

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Patent Owner(s)

Patent OwnerAddress
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBHELSE-KROENER-STRASSE 1 BAD HOMBURG 61352

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berlich, Robert St. Wendel, DE 14 7
Huppert, Jochen Saarbrucken, DE 5 0
Laubrock, Andreas Wehrheim, DE 5 53
Mager, Gerhard Bad Homburg, DE 16 134

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