GB1267105A - - Google Patents
Info
- Publication number
- GB1267105A GB1267105A GB1267105DA GB1267105A GB 1267105 A GB1267105 A GB 1267105A GB 1267105D A GB1267105D A GB 1267105DA GB 1267105 A GB1267105 A GB 1267105A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urease
- zirconium phosphate
- dialysing fluid
- fluid
- dialysing
- 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
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Urology & Nephrology (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
1,267,105. Purification of dialyser fluid. CCI AEROSPACE CORP. 18 Nov., 1969 [2 Dec., 1968], No. 56346/69. Heading B1X. In order that dialysing fluid, e.g. a sterile sodium chloride-glucose-water solution may be recycled to a dialysis membrane for repeated reduction of the body urea concentration, urease and "zirconium phosphate" ion exchanger are contacted with the dialysing fluid so that the urea which diffuses from the blood into the dialysing fluid is broken down by the urease into ammonium carbonate whereupon the ammonium ions are removed by the ion exchanger. The term "zirconium phosphate" includes ZrNa(PO 4 ) 2 .H 2 O, ZrH (PO 4 ) 2 .H 2 O or ZrKHPO 4 .H 2 O, and may be present as an ion-exchange column with urease absorbed therein. Alternatively the urease can be dissolved in the dialysing fluid; or the urease can be absorbed on the zirconium phosphate and the latter added in particulate form to the dialysing fluid to produce a circulating slurry; or the urease and zirconium phosphate may be added separately to form a circulating slurry. If the exchange column is used it can be vented for carbon dioxide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78041768A | 1968-12-02 | 1968-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1267105A true GB1267105A (en) | 1972-03-15 |
Family
ID=25119541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1267105D Expired GB1267105A (en) | 1968-12-02 | 1969-11-18 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4922438B1 (en) |
DE (1) | DE1960504C3 (en) |
GB (1) | GB1267105A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7955290B2 (en) | 2001-11-13 | 2011-06-07 | Baxter International Inc. | Method and composition for removing uremic toxins in dialysis processes |
US9492602B2 (en) | 2012-02-08 | 2016-11-15 | Fresenius Medical Care Deutschland Gmbh | Concentrate for a dialysis liquid and dialysis liquid made from it |
US10201649B2 (en) | 2013-03-15 | 2019-02-12 | MAQUET CARDIOPULMONARY GmbH | Carbon dioxide removal system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3669880A (en) * | 1969-06-30 | 1972-06-13 | Cci Aerospace Corp | Recirculation dialysate system for use with an artificial kidney machine |
JPS57145221A (en) * | 1981-03-03 | 1982-09-08 | Tanaka Precious Metal Ind | Sealed reed switch |
DE3224815A1 (en) * | 1982-07-02 | 1984-01-05 | August Fröscher GmbH & Co KG, 7141 Steinheim | Chair with attachment means for row-forming connecting elements and/or armrests or lecterns |
JP4653170B2 (en) * | 2004-06-09 | 2011-03-16 | リナル・ソリューションズ・インコーポレーテッド | Dialysis system |
-
1969
- 1969-11-18 GB GB1267105D patent/GB1267105A/en not_active Expired
- 1969-12-02 JP JP44096750A patent/JPS4922438B1/ja active Pending
- 1969-12-02 DE DE1960504A patent/DE1960504C3/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7955290B2 (en) | 2001-11-13 | 2011-06-07 | Baxter International Inc. | Method and composition for removing uremic toxins in dialysis processes |
US8002726B2 (en) | 2001-11-13 | 2011-08-23 | Baxter International Inc. | Method and composition for removing uremic toxins in dialysis processes |
US9492602B2 (en) | 2012-02-08 | 2016-11-15 | Fresenius Medical Care Deutschland Gmbh | Concentrate for a dialysis liquid and dialysis liquid made from it |
US10201649B2 (en) | 2013-03-15 | 2019-02-12 | MAQUET CARDIOPULMONARY GmbH | Carbon dioxide removal system |
Also Published As
Publication number | Publication date |
---|---|
DE1960504B2 (en) | 1973-04-26 |
JPS4922438B1 (en) | 1974-06-08 |
DE1960504C3 (en) | 1973-11-15 |
DE1960504A1 (en) | 1970-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |