Roll type dialyser cartridge with non-interlocking spacer sheet

Details Roll type dialyser cartridge with non-interlocking spacer sheet Roll type dialyser cartridge with non-interlocking spacer sheet

A - Human Necessities

61

M

182/13

A61M 1/03 (1980.01)

Patent

CA 1071114

ABSTRACT OF THE DISCLOSURE A dialiser cartridge of roll type particularly suit- able for artificial kidneys, comprising two layers of strip form facing each other and a dialysing membrane arranged be- tween the layers. The layers and the membrane are wound in spiral form. The layers are provided with projections uni- formly distributed thereon and defining top portions which are mutually aligned over the surface of the layers. Grooves are defined between the projections to allow the passage of a dialysing liquid, the grooves of the first layer forming an angle with the grooves of the second layer such that the two facing layers contact by interposition of the membrane only on a part of the top portions of the projections, thus avoid- ing embedding of the layers and obstructions for the passage of the dialysing liquid.

223694

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