An artificial lung device includes: a housing which is formed in a tubular shape including both end portions closed, includes a blood inflow port and a blood outflow port, and is arranged such that a center axis of the housing is directed in a lateral direction; a hollow fiber body (gas exchanger) which is arranged in the housing and performs gas exchange with respect to blood while the blood flows from the blood inflow port to the blood outflow port; and a straightening frame (gas guide portion) by which a gas having flowed through the gas exchanger by the flow of the blood is guided to the gas exchanger again in the housing.

A blood oxygenator includes a housing having a first end opposite a second end with a sidewall extending between the first end and the second end along a longitudinal axis. The housing defines an interior chamber having a liquid inlet at the first end and a liquid outlet at the second end. The oxygenator further includes a gas exchange assembly positioned within the interior chamber. The gas exchange assembly includes a retainer having an upper cap spaced apart from a lower cap by one or more spacers, and a gas exchange medium disposed between the upper cap and the lower cap. The gas exchange medium has a plurality of subunits stacked on top of each other, with each subunit having a plurality of layers of hollow fiber mats.

There is provided a chemical analyzer equipped with a hollow fiber degassing module that can maintain the original excellent degassing performance even after long periods of continuous use. More specifically, a hollow fiber degassing module includes a housing and a hollow fiber membrane disposed in an internal space of the housing. The housing includes a liquid supply unit for connecting an outside of the housing and an internal space of the hollow fiber membrane to each other, and for supplying constant temperature water, a liquid discharge unit for connecting the internal space of the hollow fiber membrane and the outside of the housing to each other, and for discharging constant temperature water, a gas discharge unit for connecting an internal space of the housing and the outside of the housing to each other, and for depressurizing the internal space, and a purge gas supply unit.

Stack assembly comprising a hollow external housing having a central axis, the external housing extending from a first end to a second end and enclosing a housing space, and a membrane stack comprising a plurality of membranes, wherein the membrane slack is positionable inside the external housing and a number of side plates extending substantially parallel to the central axis, wherein each side plate of the number of side plates is associated with a side of the membrane stack and extending along the associated side and a number of sealing connectors that extend substantially parallel to the central axis and adjacent with an inner surface of the external housing, wherein each sealing connector of the number of sealing connectors is configured to connect two side plates to each other, wherein the sealing connectors and the side plates cooperate to form an enclosing structure, and wherein, in use of the stack assembly, the enclosing structure encloses the membrane stack. The invention also relates to a method for assembling a stack assembly and a method for generating energy or performing an electrodialysis process.

There is provided a chemical analyzer equipped with a hollow fiber degassing module that can maintain the original degassing performance even after long periods of continuous use, and can also suppress the proliferation of bacteria and the like. More specifically, a hollow fiber degassing module includes a housing and a hollow fiber membrane disposed in an internal space of the housing. The housing includes a liquid supply unit for connecting an outside of the housing and an internal space of the hollow fiber membrane to each other, and for supplying constant temperature water W, a liquid discharge unit for connecting the internal space of the hollow fiber membrane and the outside of the housing to each other, and for discharging constant temperature water, and a gas discharge unit for connecting an internal space of the housing and the outside of the housing to each other, and for depressurizing the internal space.

There is provided a chemical analyzer equipped with a hollow fiber degassing module that can maintain the original excellent degassing performance even after long periods of continuous use. More specifically, a hollow fiber degassing module 20A includes a housing 210 and a hollow fiber membrane 220 disposed in an internal space S1 of the housing. The housing 210 includes a liquid supply unit 216A for connecting an outside of the housing 210 and an internal space S2 of the hollow fiber membrane 220 to each other, and for supplying constant temperature water W1 from an outside of the housing 210 to an internal space S2 of the hollow fiber membrane 220, a liquid discharge unit 217A for connecting the internal space S2 of the hollow fiber membrane 220 and the outside of the housing 210 to each other, and for discharging constant temperature water W2 degassed from the internal space S2 of the hollow fiber membrane 220 to the outside of the housing 210, a gas discharge unit 218A for connecting an internal space S1 of the housing 210 and the outside of the housing 210 to each other, and for depressurizing the internal space S1 of the housing 210, and a liquid discharge unit 219A that is provided at a vertically lower end portion of the housing 210 for discharging a liquid generated in the housing 210.

A hollow fiber membrane module includes an inner case 120 with a one-end-side outer peripheral surface 121, the width of which is constant from one end side toward the other end side, and an other-end-side outer peripheral surface 122 which gradually widens from one end side toward the other end side, and in the inner case 120, a hollow portion that opens to the other end side is provided on an inside of the other-end-side outer peripheral surface 122 and a plurality of windows 122a that allow communication between the hollow portion and the annular gap are provided, and in the outer case 110, a communication hole 111a that communicates between the annular gap and the outside of the outer case 110 is provided at a position that is closer to the one end side.

The present disclosure is directed to a membrane vessel, the membrane vessel comprising: a cylindrical tube for holding a membrane element, the cylindrical tube having a first end and a second end; at least one flared end of the cylindrical tube wherein the tube flares outward at an angle from the end of the cylindrical tube; a cap configured to fit into the end of the cylindrical tube, the cap comprising an inclined distal perimeter surface configured to contact the inner surface of the flared tube.

The present invention relates to a microfiltration container (2), comprising a base (1) for a microfiltration container (2), said container being adapted to contain at least one microfilter (3) and create fluid passages which force a fluid, passing from a fluid inlet (4) to a fluid outlet (5), to pass through said microfilter (3); wherein said base (1) is a monolithic body, i.e., made in a single piece; wherein a microfilter seat (6) is obtained in said base (1) for accommodating and securing said at least one microfilter (3); wherein at least a first valve half-chamber (7) is obtained in said base (1), adapted to accommodate a first movable valve element (8) adapted to move from a valve opening position to a valve closing position; wherein said at least a first valve half-chamber (7) comprises at least a first abutment surface (9) for sealing said movable valve element (8); wherein said microfiltration container (2) comprises a container bell (28); wherein said container bell (28) comprises a cylindrical bell body (42) in which a first lower end thereof is sealingly connectable to said base (1) and in which an upper opposite end thereof is closed by a bell cap (43).

A self-contained filtration assembly with a self-contained filtration cassette therein. The cassette may be formed from one or more layers membranes and spacers (spacers, screens, or combinations thereof) all having the same general shape. The cassette may have a feed inlet path and a retentate outlet path extending through the layers of the cassette within the perimeter of the cassette, and a permeate outlet path between the cassette exterior and the interior of the cassette housing. The housing may have a generally circular or elliptical cross-section. A clamping assembly may hold together the components of the housing, and may be elongated in a direction along the flow path of the feedstream through the cassette. Various port-defining zones defined in the layers of the cassette may be sealed in a manner facilitating assembly of the cassette as well as isolation of the flow paths therein.