WO2002083202A1 - Appareil adsorbant utilise en vue de traiter un fluide corporel - Google Patents
Appareil adsorbant utilise en vue de traiter un fluide corporel Download PDFInfo
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- WO2002083202A1 WO2002083202A1 PCT/JP2002/003425 JP0203425W WO02083202A1 WO 2002083202 A1 WO2002083202 A1 WO 2002083202A1 JP 0203425 W JP0203425 W JP 0203425W WO 02083202 A1 WO02083202 A1 WO 02083202A1
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- adsorbent
- body fluid
- ion
- filling
- adsorber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/0281—Apparatus for treatment of blood or blood constituents prior to transfusion, e.g. washing, filtering or thawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
- B01J20/28019—Spherical, ellipsoidal or cylindrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3092—Packing of a container, e.g. packing a cartridge or column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/327—Polymers obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/018—Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3679—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by absorption
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/58—Use in a single column
Definitions
- the present invention relates to a body fluid treatment adsorber.
- ADVANTAGE OF THE INVENTION The adsorbent for body fluid treatment of this invention is excellent in safety and operability, and easily and reliably remove
- adsorbers for treating body fluids such as blood adsorbers for blood purification treatments and plasma component adsorbers
- a complicated deaeration operation for removing air bubbles present in the interior is required, and to simplify this complicated operation, an adsorber in which the filling portion of the adsorbent is filled with the filling liquid has been used ( See, for example, Japanese Patent Application Laid-Open No. 2-77072-6).
- the substance in the adsorbent is easily eluted into the filling liquid because the adsorbent and the filling liquid have been in contact for a long time, and the It includes the possibility of being mixed into body fluids such as blood and plasma.
- body fluids such as blood and plasma.
- the eluted material may not be completely washed and the filling liquid in the adsorber containing the eluted material may be mixed into the body fluid.
- an adsorber in which the filling section of the adsorbent is not filled with the filling liquid or an adsorber filled with the adsorbent in a dry state without using the filling liquid.
- the adsorber filled with the adsorbent in a dry state without using the filling liquid cannot exhibit the original adsorption performance for the same reason.
- an excessive amount of fluid flows into the adsorber inlet to allow the body fluid to flow into the adsorber. Pressure must be applied.
- potassium ion concentration may increase due to potassium ions flowing out of cell components destroyed by irradiation.
- cell destruction progresses even during storage of blood products, and the concentration of potassium ion further increases.
- Transfusion of such blood products can lead to hyperkalemia and even cardiac arrest.
- transfusion equipment that can ensure the safety of transfusion has been desired.
- a blood transfusion set equipped with a strongly acidic ion exchange resin for adsorbing potassium ions in blood in a blood transfusion circuit Japanese Patent Application Laid-Open No. 52-79594
- Japanese Patent Application Laid-Open No. 7-28432 an apparatus for adjusting the ion concentration of a blood preparation provided with a cation exchange resin
- a blood transfusion system for stored blood using an ion exchange resin 0 8 3 6 8 Information is known.
- these ion concentration adjusting materials adjust the target ion concentration, they also fluctuate other ion concentrations that play an important role in the body.
- a force-ream ion remover composed of a sodium salt-type ion-exchange resin and a force-salt-type ion-exchange resin for selectively removing force-ion ions in blood
- this potassium ion remover can be used to gradually remove force-ion ions from the circulating blood and reduce the concentration of force-time ions over time, as in blood purification therapy.
- an object of the present invention is to provide an adsorber for treating a body fluid, which has a small amount of eluted material, is easy to wet and handle, and has an advantage in that it is capable of providing a high-performance ion in stored blood for transfusion. It is an object of the present invention to provide a body fluid treatment adsorber capable of reliably adsorbing and removing water.
- an object of the present invention is to provide a body fluid treatment adsorber filled with an adsorbent coated with a hydrophilic polymer, wherein a filling portion of the adsorbent is not filled with a filling liquid.
- a body fluid treatment adsorber characterized by the following, particularly, a body fluid treatment adsorber comprising two or more metal salt type cation exchange resins in which the above adsorbents are different from each other.
- the body fluid in the present invention means a liquid component derived from a living body such as blood, plasma, or ascites.
- the body fluid treatment adsorber of the present invention can process any of these. It can be suitably used to perform.
- the present invention is as follows.
- An absorbent for body fluid treatment filled with an adsorbent coated with a hydrophilic polymer A body fluid treating adsorber, characterized in that a filling portion of the adsorbent is not filled with a filling liquid.
- the adsorbent in the present invention is coated with a hydrophilic polymer.
- the hydrophilic polymer is a polymer that dissolves in water, a polymer that swells with water, or a polymer that easily wets with water, and has a dissociative group such as a carboxyl group, a sulfonic acid group, or a quaternary amine group as a functional group.
- a polymer having a non-dissociable hydrophilic group such as a hydroxyl group, an acrylamide group, an ether group, etc., specifically, an acrylate, methacrylate, polyvinyl alcohol, ethylene-vinyl Examples include alcohol-based, cellulose-based, ethylene glycol-based, and vinylpyrrolidone-based polymers. -Based polymers are preferred, and polyhydric methacrylate methacrylate is particularly preferred.
- Such a hydrophilic polymer has a high affinity for water or body fluid, and the adsorbent coated with the polymer easily wets these liquids when it comes in contact with water, body fluid, or the like, and absorbs water and becomes wet. As a result, the adsorbent that is not in a wet state can be rapidly wetted.
- an adsorbent coated with a hydrophilic polymer is resistant to blood clots, hemolysis, blood components, and adhesion of plasma proteins, and is excellent in biocompatibility.
- the adsorbent coated with the hydrophilic polymer can be produced by immersing the material of the adsorbent in a hydrophilic polymer solution, and then drying and fixing the material.
- a material of the adsorbent any of an organic substance and an inorganic substance can be used, but an arbitrary shape is possible and an organic substance having high strength is preferable.
- a cellulose-based, polyvinyl alcohol-based, Organic substances such as polyacrylamide, agarose, phenol, amide, and styrenedivinylbenzene are exemplified.
- a cation exchange resin is more preferably used as the above-mentioned organic substance used as a material of the adsorbent.
- the ion exchange resin referred to here has a structure in which an exchange group having ion exchange properties is stably bonded to a polymer matrix having three-dimensional bonds by covalent bonds.
- the parent of the polymer having a three-dimensional bond is not particularly limited, and a wide range of polymers having a three-dimensional bond capable of stably introducing an ion-exchange group can be used. Examples include polymers, (meth) acrylic polymers, phenolic polymers, amide polymers, and the like.
- the polymer itself has high chemical stability, the chemical stability and exchange capacity of the polymer into which the ion-exchange group is introduced are large, and it is easy to form uniform spherical particles by pearl polymerization.
- Styrene-divinyl benzene copolymer The body is more preferred.
- the cation exchange resin is obtained by introducing an acidic ion exchange group into the polymer matrix.
- an acidic ion exchange group a wide range of acidic groups can be used, for example, sulfonic acid group, carboxyl group And a sulfonic acid group is preferable.
- the ion-exchangeable hydrogen atoms of the cation exchange resin can be replaced with sodium, potassium, magnesium, etc.
- Ion exchange resins can be made of various metals such as sodium salt, calcium salt, magnesium salt, etc. It can be used as a salt form.
- the sodium, calcium, and magnesium atoms are present in an ion-bonded state with the acidic ion-exchange group, and are readily present in aqueous solutions or body fluids.
- the material of the adsorbent used in the present invention is preferably composed of two or more different metal salt-type cation exchange resins from the viewpoint of the force-ream adsorption effect, sodium salt type (Na salt type). Cation exchange resin and calcium salt type (Ca salt type) It is more preferable to use a cation exchange resin.
- a cation exchange resin if the proportion of the Ca salt type ion exchange resin is too small, the calcium ion concentration in the blood treated by the body fluid treatment adsorber decreases, making the blood difficult to coagulate. If the proportion of Ca salt-type ion exchange resin is too high, the calcium ion concentration in the blood will increase, and the pH of the blood will increase.
- the capacity part here The capacity of the ion-exchange resin means the apparent capacity of the ion-exchange resin in a wet state.Specifically, the ion-exchange resin was settled in this using a graduated cylinder filled with water. It can be measured as time capacity. In order to prepare the Na salt type cation exchange resin and the Ca salt type cation exchange resin in a predetermined mixing ratio, for example, each cation exchange resin is measured with a measuring cylinder by the above method. After that, they may be mixed in water.
- the base polymer and the acidic ion exchange group of the Na salt type cation exchange resin and the Ca salt type cation exchange resin one type or two or more types may be used. Although good, it is preferable to use a cation exchange resin having a similar ion exchange capacity per unit volume.
- the ion exchange resin used in the present invention is most preferably a porous strong acidic cation exchange resin having a styrene-divinylbenzene copolymer as a base polymer and having a sulfonic acid group as an acidic exchange group.
- a mixture obtained by converting an ion exchange resin commercially available as RCP-160M (manufactured by Mitsubishi Chemical Corporation) into a Na salt type and a Ca salt type and then mixing them is suitably used.
- any shape such as sheet, fibrous, spherical particles, crushed particles, and hollow fibers can be used.
- an adsorbent having a spherical particle shape is preferable from the viewpoint of increasing the contact area with the adsorbent and increasing the adsorbability.
- the spherical particles include a non-porous gel type and a porous porous type, and any type can be used in the present invention. A porous porous type is preferred.
- the adsorbent for body fluid treatment of the present invention comprises: a method of filling the above-mentioned adsorbent coated with a hydrophilic polymer into a container such as a column; It can be manufactured by filling a container such as a column and extruding the filling liquid.
- the filling part of the adsorbent is filled with the filling liquid
- the adsorbent for body fluid treatment of the present invention is characterized in that the filling part of the adsorbent coated with the hydrophilic polymer is filled with the filling liquid. Not satisfied.
- the filling part of the adsorbent is not filled with the filling liquid means that the liquid level of the filling liquid in the filling part of the adsorbent is lower than the uppermost part of the adsorbent, in other words, the adsorbent is filled with the filling liquid. Means not completely soaked.
- the ratio of the adsorbent not immersed in the filling liquid is as follows: When the filling part is filled with the adsorbent so that the top is horizontal, the filling part is the distance from the bottom of the filling part to the top of the adsorbent.
- the ratio of the distance from the bottom to the liquid level of the filling liquid is preferably 0.8 or less, more preferably 0.5 or less.
- the filling liquid liquids such as water, physiological saline, phosphate buffer, and citrate buffer are used. Of these, water is most often used in terms of availability, safety, and price. Examples of the type of water include distilled water, ion exchange distilled water, reverse osmosis membrane filtered water, and the like, with ion exchange distilled water being preferred.
- the adsorbent is wet with the above-mentioned liquid from the viewpoint of suppressing the elution of the substance from the adsorbent into the filling liquid, but the filling part of the adsorbent is not filled with the filling liquid. It is more preferable that the filling liquid is not contained in the filling portion of the adsorbent.
- the body fluid can be purified by bringing the body fluid into contact with the body fluid treatment adsorber of the present invention.
- the adsorbent for treating body fluid of the present invention is particularly suitable for removing vitreous ions from stored blood for transfusion containing a high concentration of potassium ions, and appropriately maintaining the concentration of vitreous ions in the stored blood for transfusion.
- ⁇ Preserved blood for transfusion here refers to blood products such as whole blood products, erythrocyte products, and concentrated erythrocyte products, and generally 200 mL or 4 mL, with 200 mL as one unit. Supplied in a 0 mL blood bag.
- the adsorbent for treating body fluid of the present invention is preferably used after being sterilized. As a sterilization method, autoclave sterilization, radiation sterilization, or the like can be employed.
- the adsorbent obtained in Production Example 1 was weighed (16 mL) using a graduated cylinder in a dry state, and then packed in a polypropylene column to produce an adsorber in which the adsorbent was in a dry state. Radiation sterilization was performed.
- the adsorbent obtained in Production Example 1 was immersed in ion-exchange distilled water, and degassed under reduced pressure. A required amount (20 mL) of the adsorbent obtained by this operation, which was wet with the ion-exchanged distilled water, was measured using a measuring cylinder filled with the ion-exchanged distilled water, and then the polypropylene filled with the ion-exchanged distilled water was measured. Filled into a production ram, pumped 1 kcm 2 of pressurized air into this column for 1 minute, extruded the packing liquid, and made an adsorber in which the adsorbent was in a wet state and the filling section did not contain the filling liquid And radiation sterilized.
- the adsorbent obtained in Production Example 1 was immersed in ion-exchange distilled water, and degassed under reduced pressure. A required amount (20 mL) of the adsorbent obtained by this operation, which was wet with the ion-exchanged distilled water, was measured using a measuring cylinder filled with the ion-exchanged distilled water, and then the polypropylene filled with the ion-exchanged distilled water was measured. Ltd.
- An adsorber was prepared in which the ratio of the distance from the bottom of the filling section to the liquid level of the filling liquid to the distance to the filling liquid was 0.4, and radiation sterilized.
- the adsorbent obtained in Production Example 1 was immersed in ion-exchange distilled water, and degassed under reduced pressure.
- Power An adsorber was prepared by filling the ram with the adsorbent filled with the filling liquid, and subjected to radiation sterilization.
- the mixture of the cation exchange resin prepared in (1) of Production Example 1 was dried at 110 ° C for 2 hours, weighed (16 mL) using a graduated cylinder, and packed in a polypropylene column. Thus, an adsorber in which the adsorbent was in a dry state was prepared, and was subjected to radiation sterilization.
- Bovine blood was flowed at a flow rate of 10 mL / min into the adsorbers obtained in Examples and Comparative Examples, and the column inlet pressure was measured over time. The differences are shown in Table 1.
- the value of the maximum absorbance of the ultraviolet absorption spectrum is based on the safety standard of the adsorption-type blood purifier (published on January 23, 1983, Japan Artificial Organs Industry Association Standard). In this regard, it must be less than 0.1.
- the Na salt type cation exchange resin and the Ca salt type cation exchange resin prepared in the same manner as in (1) of Production Example 1 were mixed at the ratio (volume ratio) shown in Table 2, and each ion exchange resin (mixture) Messi filled with 20 mL of ion-exchange distilled water After weighing with a cylinder, it was packed in a polypropylene column filled with ion-exchanged distilled water. After filling, pressurized air of 1.0 kg / cm 2 was passed for 1 minute to prepare an adsorber in which the adsorbent was in a wet state and the filling portion did not contain a filling liquid, and was subjected to radiation sterilization.
- Bovine blood was flowed through the adsorber at a flow rate of 1 OmL / min.
- the blood that has passed through the adsorber is collected every minute for the first 10 minutes and every 10 minutes thereafter, and the plasma obtained by centrifugation and the sodium obtained by centrifuging the blood before passing through the adsorber, Potassium, calcium, and chlorine ion concentrations were measured.
- the ion concentrations of sodium, potassium, and chlorine were measured by the electrode method, and the calcium concentration was measured by the 0 CPC method (ortho-resorufane rain complexon method).
- the sodium, potassium, calcium, and chlorine ion concentrations before treatment with the adsorber were 157 mE q / L, 43 mE qL 7.3 mg / dL, and 112 mE q / L, respectively.
- Table 2 shows the change in ion concentration of blood collected after 20 minutes.
- Example 9 100: 0 -84.0% -32.9% + 24.8% 0% From the results in Table 2 above, it can be seen that blood treated with the bodily fluid treatment adsorber of the present invention has efficiently removed vitreous ions.
- the amount of the eluted material is small, and while providing the adsorbent for bodily fluid treatment which is easy to wet and handle, the bodily fluid which can surely adsorb and remove the force ion in the stored blood for transfusion is provided.
- a processing adsorber is provided.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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- External Artificial Organs (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002581003A JP4101061B2 (ja) | 2001-04-12 | 2002-04-05 | 体液処理用吸着器 |
EP02713297A EP1378258A4 (en) | 2001-04-12 | 2002-04-05 | ADSORBERVÄRICHTUNG FOR THE TREATMENT OF BODY FLUIDS |
KR10-2002-7016952A KR100484577B1 (ko) | 2001-04-12 | 2002-04-05 | 체액 처리용 흡착기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-113643 | 2001-04-12 | ||
JP2001113643 | 2001-04-12 |
Publications (1)
Publication Number | Publication Date |
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WO2002083202A1 true WO2002083202A1 (fr) | 2002-10-24 |
Family
ID=18964836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/003425 WO2002083202A1 (fr) | 2001-04-12 | 2002-04-05 | Appareil adsorbant utilise en vue de traiter un fluide corporel |
Country Status (7)
Country | Link |
---|---|
US (1) | US20030150813A1 (ja) |
EP (1) | EP1378258A4 (ja) |
JP (1) | JP4101061B2 (ja) |
KR (1) | KR100484577B1 (ja) |
CN (1) | CN1228099C (ja) |
TW (1) | TW555574B (ja) |
WO (1) | WO2002083202A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101538361B1 (ko) * | 2008-12-22 | 2015-07-22 | 후지타 헬쓰 유니버시티 | Aβ 제거재, Aβ 제거기 및 Aβ 제거 시스템 |
EP3653293A1 (en) * | 2015-01-19 | 2020-05-20 | Hitachi Chemical Company, Ltd. | Separation material |
WO2016117572A1 (ja) * | 2015-01-19 | 2016-07-28 | 日立化成株式会社 | 分離材 |
RU2742768C2 (ru) | 2015-10-22 | 2021-02-10 | Сайтосорбентс Корпорейшн | Применение многофункционального гемосовместимого пористого полимерно гранулированного сорбента для удаления гемоглобина, калия, цитокинов, биоактивных липидов и иммуноглобулинов из биологических жидкостей |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60241450A (ja) * | 1984-05-16 | 1985-11-30 | 旭化成株式会社 | 体液浄化用吸着材 |
JPH11309356A (ja) * | 1998-04-28 | 1999-11-09 | Asahi Medical Co Ltd | ポリスルホン系選択分離膜 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2833691A (en) * | 1951-07-24 | 1958-05-06 | Rohm & Haas | Blood preservation by ion exchange resin decalcification |
US3269911A (en) * | 1962-06-14 | 1966-08-30 | Jefferson Medical College | Restoration of blood to biochemical normalcy by treatment with ion exchange resins |
US4171283A (en) * | 1976-08-04 | 1979-10-16 | Kuraray Co., Ltd. | Hemoperfusion adsorbents |
US4209392A (en) * | 1978-05-15 | 1980-06-24 | Wallace Richard A | Portable hepatic-assist method and apparatus for same |
US4432871A (en) * | 1981-01-22 | 1984-02-21 | Asahi Kasei Kogyo Kabushiki Kaisha | Immune adsorbent, adsorbing device and blood purifying apparatus |
JP4046378B2 (ja) * | 1996-09-19 | 2008-02-13 | 株式会社カネカ | エンドトキシン吸着システム |
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2002
- 2002-04-05 CN CNB028020634A patent/CN1228099C/zh not_active Expired - Fee Related
- 2002-04-05 KR KR10-2002-7016952A patent/KR100484577B1/ko not_active IP Right Cessation
- 2002-04-05 EP EP02713297A patent/EP1378258A4/en not_active Withdrawn
- 2002-04-05 JP JP2002581003A patent/JP4101061B2/ja not_active Expired - Fee Related
- 2002-04-05 WO PCT/JP2002/003425 patent/WO2002083202A1/ja active IP Right Grant
- 2002-04-05 US US10/297,935 patent/US20030150813A1/en not_active Abandoned
- 2002-04-08 TW TW091106934A patent/TW555574B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60241450A (ja) * | 1984-05-16 | 1985-11-30 | 旭化成株式会社 | 体液浄化用吸着材 |
JPH11309356A (ja) * | 1998-04-28 | 1999-11-09 | Asahi Medical Co Ltd | ポリスルホン系選択分離膜 |
Also Published As
Publication number | Publication date |
---|---|
JP4101061B2 (ja) | 2008-06-11 |
KR100484577B1 (ko) | 2005-04-20 |
EP1378258A4 (en) | 2010-08-18 |
JPWO2002083202A1 (ja) | 2004-08-05 |
KR20030011891A (ko) | 2003-02-11 |
EP1378258A1 (en) | 2004-01-07 |
TW555574B (en) | 2003-10-01 |
CN1463193A (zh) | 2003-12-24 |
CN1228099C (zh) | 2005-11-23 |
US20030150813A1 (en) | 2003-08-14 |
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