The present disclosure relates to a film bag for storing a fluid, to a device for providing a fluid for a biochemical evaluation unit, to a system for providing a fluid as well as to a method for opening a fluid-filled film bag, to a method for producing a fluid-filled film bag as well as to a method for producing a system for providing a fluid.
In order to produce analysis systems that are simple to handle and are available at cost-effective prices in the area of medical technology or environmental analysis, compact units are often already provided in which the reagents that are required for a certain analysis reaction are already provided in said unit.
DE 10 2009 045 685 A1, for example, describes a microfluidic chip which comprises a distensible diaphragm which is distensible into a liquid reservoir, with volume displacement, in order to move a liquid out of the liquid reservoir through a liquid channel inlet into a liquid channel of the microfluidic chip.