Patent ID: 7503915
Filing Date: 2009-03-17
Classification: A61M

Abstract:
1. A device for the treatment of a medical fluid, said device comprising a permanently installed fluid treatment machine, a cassette with fluid carrying channels and an elastic matt placed between the fluid treatment machine and the cassette, said elastic matt extending over substantially an entire face of said cassette and protecting an interior space of the fluid treatment machine, said matt having a substantially uniform thickness across said face into which channels are recessed, with paths of said matt channels respectively corresponding with paths of the fluid-carrying channels of the cassette and with slits being provided in the matt channels that extend from the matt channels to a side of said matt facing the cassette such that said slits overlie said cassette fluid-carrying channels, said fluid-carrying channels being distinct from any pump and valve regions in said cassette, said slits extending longitudinally along at least part of a length of the matt channels so as to run substantially parallel therewith, said slits being repeatedly interrupted for short intervals to form slitted areas and non-slitted areas, said slits being configured to act as lip seals.