A61M1/3486

Combined Bio-Artificial Liver Support System

A combined bio-artificial liver support system, includes branch tubes that are connected in sequence: a blood input branch tube, an upstream tail end, a first plasma separation branch tube comprising at least a first plasma separator, a non-biological purification branch tube comprising at least a plasma perfusion device and a bilirubin adsorber, a biological purification branch tube comprising at least a hepatocyte culture cartridge assembly, and a plasma return branch tube, a downstream tail end of which is set as a blood output end.

DEVICES, SYSTEMS AND METHODS FOR THE BROAD-SPECTRUM REDUCTION OF PRO-INFLAMMATORY CYTOKINES IN BLOOD
20210030942 · 2021-02-04 ·

Devices, systems and methods for the broad-spectrum reduction of pro-inflammatory cytokines in blood. The pro-inflammatory cytokines can be freely circulating in the blood as well as cytokines that are transported within or bound to the surface of particles collectively referred to as CytoVesicles while simultaneously adsorbing toxins and pathogens from blood and blood plasma. A plasma separation column with binding, capture and adsorbent components optimize the removal of cytokines and CytoVesicles from blood while minimizing the removal of essential blood elements. Adsorbent components are incorporated within the extra-lumen space, outside of the plasma fiber walls and within the outer shell of the column and can include activated carbon, ion exchange resins and non-ionic exchange resins. The resulting devices, systems and methods alleviate the symptoms or severity of a wide range of disease conditions associated with an abnormal production or dysregulation of pro-inflammatory cytokines.

Sodium management system for hemodialysis

Systems and methods for managing the sodium concentration of a dialysate fluid during hemodialysis therapy and adjusting sodium concentration using a sodium management system to generate a sodium-modified fluid are provided. The systems and methods also provide a mechanism for controlled addition of sodium ions to the dialysate to generate a predetermined total sodium concentration in a dialysate.

BEADS FOR BLOOD PROCESSING

Provided are beads for blood processing having porous beads and a polymer carried on the surface of the porous beads, wherein: the porous beads are configured from at least one resin selected from the group consisting of acrylic resins, styrene resins, and cellulose resins; and the polymer includes a specific monomer defined in the description as a monomer unit.

APPARATUS AND METHOD FOR UREA PHOTO-OXIDATION
20210205521 · 2021-07-08 · ·

Apparatus and method for photo-chemical oxidation are disclosed herein. In one embodiment, a dialysis fluid regeneration system includes: a nanostructured anode; a source of light configured to illuminate the anode; and a cathode that is oxygen permeable.

SYSTEM AND METHOD TO LYSE AND REMOVE RED BLOOD CELLS FROM A CELL PRODUCT
20210205525 · 2021-07-08 ·

A method is provided for removing red blood cells from a suspension comprising red blood cells, white blood cells, platelets and plasma using a spinning membrane separator. The method comprises: a) flowing whole blood into the gap of the spinning membrane separator; b) collecting red blood cells and white blood cells in the gap and passing plasma and platelets through the membrane; c) introducing a first quantity of lysing buffer into the gap; d) incubating the red blood cells, white blood cells and lysing buffer in the gap for a period of time to cause a lysis reaction with the red blood cells; e) introducing a second quantity of lysing buffer into the gap to displace the first quantity of lysing buffer and a first quantity of red blood cell debris out of the gap; f) introducing a first quantity of wash buffer into the gap to quench the lysis reaction and displace the second quantity of lysing buffer and a second quantity of red blood cell debris out of the gap; and g) introducing a second quantity of wash buffer into the gap to flow washed white blood cells out of the housing.

Recirculating dialysate fluid circuit for measurement of blood solute species

A blood based solute monitoring system for measuring at least one blood solute species that has a first recirculation flow path in communication with a dialyzer. The first recirculation flow path is configured to allow a fluid to recirculate through a dialyzer such that the concentration of at least one solute species in the fluid becomes equilibrated to the solute species concentration of the blood compartment of the dialyzer. The blood solute monitoring system has at least one sensor to measure a fluid characteristic.

Adsorbing material for multiple pathogenic factors of sepsis as well as preparation method and application thereof

An adsorbing material for multiple pathogenic factors of sepsis as well as a preparation method and an application thereof are provided. The adsorbing material is formed by coupling a carrier with good mechanical performance and blood compatibility and a ligand with the capacity to adsorb multiple pathogen-associated molecular patterns, and is capable of effectively adsorbing bacterial endotoxin, bacterial genomic DNA, peptidoglycan, lipoteichoic acid, virus RNA, and zymosan from fluids such as blood and the like, and in particular has application value in blood purification for treatment of sepsis.

Apparatus and method for urea photo-oxidation
10894118 · 2021-01-19 · ·

Apparatus and method for photo-chemical oxidation are disclosed herein. In one embodiment, a method for regenerating a dialysis fluid includes: flowing the dialysis fluid between an anode and a cathode of a dialysis system, where the anode comprises a plurality of nanostructures; illuminating the anode with a source of light; flowing oxygen through the cathode toward the dialysis fluid; and converting urea in the dialysis fluid into CO2, N2 and H2O thereby regenerating the dialysis fluid.

PROCESS FOR REMOVING COBALT, LEAD, CADMIUM AND CHROMIUM IONS FROM BODILY FLUIDS USING METALLATE ION EXCHANGE COMPOSITIONS

A process for removing Co.sup.2+, Pb.sup.2+, Cd.sup.2+ and Cr.sup.3+ toxins from bodily fluids is disclosed. The process involves contacting the bodily fluid with an ion exchange composition to remove the metal toxins in the bodily fluid, including blood and gastrointestinal fluid. Alternatively, blood can be contacted with a dialysis solution which is then contacted with the ion exchange composition. The ion exchange compositions are represented by the following empirical formula:


A.sub.mZr.sub.aTi.sub.bSn.sub.cM.sub.dSi.sub.xO.sub.y.

A composition comprising the above ion exchange compositions in combination with bodily fluids or dialysis solution is also disclosed. The ion exchange compositions may be supported by porous networks of biocompatible polymers such as carbohydrates or proteins.