CA1067830A - Dialysis apparatus with selective chemical activity - Google Patents
Dialysis apparatus with selective chemical activityInfo
- Publication number
- CA1067830A CA1067830A CA203,072A CA203072A CA1067830A CA 1067830 A CA1067830 A CA 1067830A CA 203072 A CA203072 A CA 203072A CA 1067830 A CA1067830 A CA 1067830A
- Authority
- CA
- Canada
- Prior art keywords
- dialysis
- dialysate
- container
- membrane
- dialysis membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000502 dialysis Methods 0.000 title claims abstract description 245
- 239000000126 substance Substances 0.000 title claims abstract description 92
- 230000000694 effects Effects 0.000 title claims abstract description 36
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- 239000003463 adsorbent Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 108090000790 Enzymes Proteins 0.000 claims abstract description 26
- 102000004190 Enzymes Human genes 0.000 claims abstract description 26
- 239000013543 active substance Substances 0.000 claims abstract description 13
- 230000003115 biocidal effect Effects 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000001225 therapeutic effect Effects 0.000 claims description 34
- 239000012530 fluid Substances 0.000 claims description 29
- 229940088598 enzyme Drugs 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 21
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- 239000003242 anti bacterial agent Substances 0.000 claims description 17
- 108010046334 Urease Proteins 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229940088710 antibiotic agent Drugs 0.000 claims description 11
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 11
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 13
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- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
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- XVARCVCWNFACQC-RKQHYHRCSA-N indican Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CNC2=CC=CC=C12 XVARCVCWNFACQC-RKQHYHRCSA-N 0.000 description 2
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 2
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
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- 239000007791 liquid phase Substances 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 206010027654 Allergic conditions Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- 206010018910 Haemolysis Diseases 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical group OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 206010070863 Toxicity to various agents Diseases 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
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- 125000002091 cationic group Chemical group 0.000 description 1
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- BXFFHSIDQOFMLE-UHFFFAOYSA-N indoxyl sulfate Natural products C1=CC=C2C(OS(=O)(=O)O)=CNC2=C1 BXFFHSIDQOFMLE-UHFFFAOYSA-N 0.000 description 1
- XVARCVCWNFACQC-UHFFFAOYSA-N indoxyl-beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OC1=CNC2=CC=CC=C12 XVARCVCWNFACQC-UHFFFAOYSA-N 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/28—Apparatus therefor
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1692—Detection of blood traces in dialysate
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1694—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid
- A61M1/1696—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid with dialysate regeneration
-
- 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
- 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
- A61M1/3687—Chemical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/32—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/105—Support pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/26—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving
-
- 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
- A61M2202/0496—Urine
- A61M2202/0498—Urea
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/15—Detection of leaks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/22—Cooling or heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/90—Additional auxiliary systems integrated with the module or apparatus
- B01D2313/903—Integrated control or detection device
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Water Supply & Treatment (AREA)
- Cardiology (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7309501A SE373752B (enrdf_load_stackoverflow) | 1973-07-05 | 1973-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1067830A true CA1067830A (en) | 1979-12-11 |
Family
ID=20317987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA203,072A Expired CA1067830A (en) | 1973-07-05 | 1974-06-21 | Dialysis apparatus with selective chemical activity |
Country Status (10)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2532883C2 (de) * | 1975-07-23 | 1983-03-24 | Hans-Peter Dr. 6906 Leimen Geisen | Verfahren und Vorrichtung zur selektiven Gewinnung eines Reaktionspartners einer Immunreaktion aus dem strömenden Blut von lebenden Organismen |
| JPS5340691A (en) * | 1976-04-01 | 1978-04-13 | Korufu Fuaundeeshiyon Za | Method and apparatus for removing impurities from fluids |
| JPS54126679A (en) * | 1978-03-24 | 1979-10-02 | Kuraray Co Ltd | Membrane type fluid treating device |
| US4361484A (en) * | 1979-06-11 | 1982-11-30 | Gambro Ab | Process for treating and/or removal of substances from liquid, especially whole blood |
| DE3270740D1 (en) * | 1981-06-29 | 1986-05-28 | Clara Ambrus | Apparatus for removing heavy metal ions from blood |
| US7033498B2 (en) | 2000-11-28 | 2006-04-25 | Renal Solutions, Inc. | Cartridges useful in cleaning dialysis solutions |
| US6627164B1 (en) | 2000-11-28 | 2003-09-30 | Renal Solutions, Inc. | Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same |
| US6878283B2 (en) | 2001-11-28 | 2005-04-12 | Renal Solutions, Inc. | Filter cartridge assemblies and methods for filtering fluids |
| US9713666B2 (en) | 2013-01-09 | 2017-07-25 | Medtronic, Inc. | Recirculating dialysate fluid circuit for blood measurement |
| US11154648B2 (en) | 2013-01-09 | 2021-10-26 | Medtronic, Inc. | Fluid circuits for sorbent cartridge with sensors |
| US10099214B2 (en) | 2013-11-26 | 2018-10-16 | Medtronic, Inc. | Zirconium phosphate and zirconium oxide recharger control logic and operational process algorithms |
| US10064986B2 (en) | 2013-11-26 | 2018-09-04 | Medtronic, Inc. | Recharger for recharging zirconium phosphate and zirconium oxide modules |
| US9974896B2 (en) * | 2014-06-24 | 2018-05-22 | Medtronic, Inc. | Method of zirconium phosphate recharging |
| US10099215B2 (en) | 2013-11-26 | 2018-10-16 | Medtronic, Inc. | Management of recharger effluent pH |
| US10537875B2 (en) | 2013-11-26 | 2020-01-21 | Medtronic, Inc. | Precision recharging of sorbent materials using patient and session data |
| US10052624B2 (en) | 2013-11-26 | 2018-08-21 | Medtronic, Inc. | Zirconium phosphate and zirconium oxide recharging flow paths |
| US10052612B2 (en) | 2013-11-26 | 2018-08-21 | Medtronic, Inc. | Zirconium phosphate recharging method and apparatus |
| US9884145B2 (en) | 2013-11-26 | 2018-02-06 | Medtronic, Inc. | Parallel modules for in-line recharging of sorbents using alternate duty cycles |
| US10159957B2 (en) | 2013-11-26 | 2018-12-25 | Medtronic, Inc. | Zirconium phosphate recharging customization |
| US10357757B2 (en) | 2014-06-24 | 2019-07-23 | Medtronic, Inc. | Stacked sorbent assembly |
| ES2989503T3 (es) | 2014-06-24 | 2024-11-26 | Mozarc Medical Us Llc | Conjunto modular de regeneración de dialisato |
| US10981148B2 (en) | 2016-11-29 | 2021-04-20 | Medtronic, Inc. | Zirconium oxide module conditioning |
| US11167070B2 (en) | 2017-01-30 | 2021-11-09 | Medtronic, Inc. | Ganged modular recharging system |
| US10960381B2 (en) | 2017-06-15 | 2021-03-30 | Medtronic, Inc. | Zirconium phosphate disinfection recharging and conditioning |
| US12285552B2 (en) | 2018-08-14 | 2025-04-29 | Mozarc Medical Us Llc | Precision dialysis therapy based on sorbent effluent analysis |
| US11213616B2 (en) | 2018-08-24 | 2022-01-04 | Medtronic, Inc. | Recharge solution for zirconium phosphate |
| US12397093B2 (en) | 2021-05-18 | 2025-08-26 | Mozarc Medical Us Llc | Sorbent cartridge designs |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2720879A (en) * | 1950-08-01 | 1955-10-18 | Gasca Albin | Dialysis apparatus |
| US2756206A (en) * | 1953-07-14 | 1956-07-24 | Gobel Charles | Dialyzer |
| DE1064199B (de) * | 1956-05-04 | 1959-08-27 | Dr Bruno Watschinger | Kuenstliche Niere |
| US3441142A (en) * | 1966-07-21 | 1969-04-29 | Dow Chemical Co | Nonthrombogenic plastic membranes |
| GB1189458A (en) * | 1967-09-27 | 1970-04-29 | Nat Res Dev | Improvements in or relating to dialysers |
| US3669880A (en) * | 1969-06-30 | 1972-06-13 | Cci Aerospace Corp | Recirculation dialysate system for use with an artificial kidney machine |
| BE759911A (fr) * | 1969-12-05 | 1971-05-17 | Worthington Biochem Corp | Produits enzymatiques actifs |
| US3709367A (en) * | 1970-04-08 | 1973-01-09 | Baxter Laboratories Inc | Support structure for membrane diffusion devices |
| US3843446A (en) * | 1971-04-20 | 1974-10-22 | Research Corp | Preparation of enzymatically active membranes |
-
1973
- 1973-07-05 SE SE7309501A patent/SE373752B/xx unknown
-
1974
- 1974-06-13 CH CH810574A patent/CH597889A5/xx not_active IP Right Cessation
- 1974-06-18 AT AT503074A patent/AT353943B/de not_active IP Right Cessation
- 1974-06-21 CA CA203,072A patent/CA1067830A/en not_active Expired
- 1974-06-24 DE DE2430171A patent/DE2430171C2/de not_active Expired
- 1974-06-28 IT IT24603/74A patent/IT1015537B/it active
- 1974-07-03 JP JP7547374A patent/JPS5726801B2/ja not_active Expired
- 1974-07-04 FR FR7423304A patent/FR2235721B1/fr not_active Expired
- 1974-07-05 GB GB2985174A patent/GB1467880A/en not_active Expired
-
1975
- 1975-01-02 NL NL7500007.A patent/NL167330C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2430171A1 (de) | 1975-01-23 |
| CH597889A5 (enrdf_load_stackoverflow) | 1978-04-14 |
| GB1467880A (en) | 1977-03-23 |
| JPS5726801B2 (enrdf_load_stackoverflow) | 1982-06-07 |
| NL7500007A (nl) | 1976-07-06 |
| SE373752B (enrdf_load_stackoverflow) | 1975-02-17 |
| AT353943B (de) | 1979-12-10 |
| NL167330B (nl) | 1981-07-16 |
| FR2235721A1 (enrdf_load_stackoverflow) | 1975-01-31 |
| FR2235721B1 (enrdf_load_stackoverflow) | 1976-10-22 |
| IT1015537B (it) | 1977-05-20 |
| DE2430171C2 (de) | 1983-10-06 |
| NL167330C (nl) | 1981-12-16 |
| JPS5070281A (enrdf_load_stackoverflow) | 1975-06-11 |
| ATA503074A (de) | 1979-05-15 |
| SE7309501L (enrdf_load_stackoverflow) | 1975-01-07 |
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