B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/406
B01D 63/02 (2006.01) A61M 1/18 (2006.01) A61M 1/32 (2006.01) B01D 63/04 (2006.01) F28D 7/00 (2006.01) F28F 21/06 (2006.01)
Patent
CA 1280577
ABSTRACT An apparatus for exchanging ions, molecules, gas, liquid and/or heat between a first fluid and at least one second fluid, particularly for medicinal use when treating blood, includes a rigid vessel (1) having a substantially circu- lar cylindrical centre part (1a) and end parts (1b,1c) connected thereto. Respective end parts taper gradually towards an axially extending first-fluid tubular inlet (2) at one end of the vessel and to an axially directed first-fluid tubular outlet (3) at the opposite end of the vessel. At least one bundle (4a-d) of hollow fibres is arranged within the vessel (1) and the opposite ends of the bundle are passed sealingly through the wall (5) of the vessel and open into a respective inlet chamber (6a-d) and outlet chamber (7a-d) for a second fluid located externally of the vessel wall (5). The fibre bundle extends within the vessel (1), between the two mutually opposite ends thereof, in a manner such that the bundle is spread substantially uniformly across the flow path of the first fluid through the vessel from the tubular inlet (2) to the tubular outlet (3). The wall structure of the fibres in the fibre bundle is such as to enable the desired exchange between the first fluid flowing through the vessel (1) and the second fluid flowing through the fibres in the fibre bundle can take place through the walls of the fibres. The apparatus may incorporate a plurality of mutually different fibre bundles (4a-d) arranged in a similar manner in the vessel (1) but connected at their respective ends to separate inlet and outlet chambers (6a-d; 7a-d), so as to enable the fibres to conduct mutually different fluids. The fibres in the various fibre bundles (4a-d) can therewith have mutually different wall structures contingent on the various types of exchange desired between the first fluid passing through the vessel (1) and the fluids flowing through the various fibre bundles. (Figure 3).
534243
Inacio Jorge
Nilsson Erling
Data Promeditech I.n.c. Aktiebolag
Gowling Lafleur Henderson Llp
Inacio Jorge
Nilsson Erling
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