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| Number | Title | Issue Date |
| 4187086 | Packaged membrane system and replenishment method An improved method for removing a component from a fluid mixture by transport of the component through an immobilized liquid membrane is described. The method includes introducing fresh membrane liquid into a first region of the membrane to effect emissio... | 02/05/1980 |
| 4176069 | Device for exchanging substances and method of manufacturing the device A device for exchanging substances, in particular, an oxygenator or dialyzer, comprises a stack of semipermeable membranes each having a plurality of longitudinally oriented capillaries embedded therein which open at each end. A porous tissue mass is disp... | 11/27/1979 |
| 4159250 | Dialyzer casing A dialysis device of the type including a stack of parallel membrane support plates and membranes. A casing encloses the top, bottom and two opposing sides of the stack with the casing formed of two plastic molded interchangeable parts. Each casing part c... | 06/26/1979 |
| 4154792 | Distribution system for blood treatment apparatus A stacked membrane apparatus for dialyzing or oxygenating blood, in which the blood compartment is isolated from the fluid (e.g., dialysate or oxygen) compartment without compressive forces being imposed by the casing to the blood manifold regions of the ... | 05/15/1979 |
| 4151088 | Membrane diffusion device with integral heat exchanger and reservoir A diffusion system for blood including a membrane diffusion device comprising a plurality of blood flow paths positioned in interleaving diffusion exchange relation, with second fluid flow paths positioned on opposite sides of semi-permeable membrane mean... | 04/24/1979 |
| 4147621 | Method and apparatus for flow field-flow fractionation A method and apparatus for flow field-flow fractionation involving the application of a lateral cross flow superimposed on a channel fluid flow in a field-flow fractionation system. The cross flow is developed by applying a pressure across semipermeable p... | 04/03/1979 |
| 4133764 | Retaining device for apparatus having semi-permeable membranes A retaining device for fluid treatment apparatus having a stack of membranes and spacers in which the stack is clamped between two end plates which are provided with a projection or opening and two side plates which are provided with an opening or project... | 01/09/1979 |
| 4110220 | Mass transfer device A mass transfer device consists of a stack of alternating plates and membranes in which each plate includes on each surface two manifolds for distributing and collecting fluid transversely of the plate. Headers interconnect the stack with the plate manifo... | 08/29/1978 |
| 4062778 | Device for diffusing matter between two fluids via semi-permeable diaphragms Apparatus for diffusing matter between two fluids is disclosed, including a stacked configuration of alternating spacing plates and pairs of semi-permeable membranes, the spacing plates including flow passages for each of the two fluids so that they can b... | 12/13/1977 |
| 4051041 | Device for diffusion of substances between two fluids through semipermeable membranes A dialysis device having alternating spacers and pairs of semipermeable membranes disposed therebetween, and an inlet channel for the dialysis liquid traversing the assembly of alternating spacers and pairs of membranes, said spacers including passages fo... | 09/27/1977 |
| 4016081 | Staged membrane diffusion device and membrane support A diffusion device is disclosed made from a stack of pairs of semi-permeable membrane walls and plate members positioned between adjacent membrane wall pairs for support thereof. Flow conduits extend transversely of the stack in communication with flow pa... | 04/05/1977 |
| 4016082 | Device for the diffusion of substances between two fluids via semi-permeable diaphragms A device for diffusing substances between two fluids via semi-permeable diaphragms for dialysis apparatus in general and in particular as so-called artificial kidneys. The diaphragms are disposed in pairs between spacer plates and each plate includes an a... | 04/05/1977 |
| 3980564 | Membrane support-plates for fluid separating apparatus and apparatus using such support-plates Membrane support-plates for fluid separating apparatus, and apparatus using such support-plates, wherein the support-plates are generally rectangular, being formed of two stamped metal plate elements arranged back-to-back, each element having a cell in it... | 09/14/1976 |
| 3966612 | Dialysis apparatus for purification of a medium, preferably blood A dialysis apparatus for the purification of a fluid comprises at least one substantially flat plate having a passage system on at least one side, said passage system being adapted to be connected to inlet and outlet lines for the fluid to be purified, at... | 06/29/1976 |
| 3962075 | Hemo dialyzer employing two dialysate solutions A novel dialysis system is disclosed for both making and using a hemo dialyzer employing two novel dialysate solutions. The dialyzer per se used in the system comprises a clamp assembly enclosing three parallel plate dialyzer boards. Between each pair of ... | 06/08/1976 |
| 3944490 | Dialysis apparatus for purifying fluid substances A dialysis apparatus for purifying a fluid substance, particularly blood, containing contaminants which are diffused through semi-permeable diaphragms into a purification liquid. The apparatus comprises first plates having planar surfaces respectively dis... | 03/16/1976 |
| 3932283 | Fluid exchange device This disclosure relates to a fluid exchange device such as an artificial kidney, wherein controlled flow of two membranes for exchange purposes is controlled by means of a special stack of flow plates. These flow plates include first and second sets of fl... | 01/13/1976 |
