Device for the extracorporeal treatment of blood, and method of controlling it
The invention relates to haemodialysis and haemofiltration therapy and is predominantly intended for the treatment of chronic kidney failure. It is the aim of the invention to permit free alternation between the treatment methods of haemodialysis, haemofiltration and sequential ultrafiltration and h...
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| creator | SIMON,WOLFGANG,DR BRUNNER,JUERGEN,ER.NAT |
| description | The invention relates to haemodialysis and haemofiltration therapy and is predominantly intended for the treatment of chronic kidney failure. It is the aim of the invention to permit free alternation between the treatment methods of haemodialysis, haemofiltration and sequential ultrafiltration and hence, in particular, to provide an optimum individual therapeutic regimen. The object of the invention is a uniform technical system for all the abovementioned treatment methods, with determination of the effectiveness of treatment and control of the treatment procedure being based on a uniform continuous ultrafiltration measurement. The device according to the invention has, inter alia, two pumps under coupled control with different delivery streams which are in an exact dosage ratio to one another. The excess occurring in the system is discharged toward the outside and recorded by a flowmeter whose the output signal is used to control a pressure-influencing element via a central control unit for regulation of the ultrafiltration rate. A change-over to pure ultrafiltration is possible by the central control unit and separately controllable valves. |
| format | Patent |
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It is the aim of the invention to permit free alternation between the treatment methods of haemodialysis, haemofiltration and sequential ultrafiltration and hence, in particular, to provide an optimum individual therapeutic regimen. The object of the invention is a uniform technical system for all the abovementioned treatment methods, with determination of the effectiveness of treatment and control of the treatment procedure being based on a uniform continuous ultrafiltration measurement. The device according to the invention has, inter alia, two pumps under coupled control with different delivery streams which are in an exact dosage ratio to one another. The excess occurring in the system is discharged toward the outside and recorded by a flowmeter whose the output signal is used to control a pressure-influencing element via a central control unit for regulation of the ultrafiltration rate. 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It is the aim of the invention to permit free alternation between the treatment methods of haemodialysis, haemofiltration and sequential ultrafiltration and hence, in particular, to provide an optimum individual therapeutic regimen. The object of the invention is a uniform technical system for all the abovementioned treatment methods, with determination of the effectiveness of treatment and control of the treatment procedure being based on a uniform continuous ultrafiltration measurement. The device according to the invention has, inter alia, two pumps under coupled control with different delivery streams which are in an exact dosage ratio to one another. The excess occurring in the system is discharged toward the outside and recorded by a flowmeter whose the output signal is used to control a pressure-influencing element via a central control unit for regulation of the ultrafiltration rate. A change-over to pure ultrafiltration is possible by the central control unit and separately controllable valves.</abstract><edition>3</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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| subjects | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE |
| title | Device for the extracorporeal treatment of blood, and method of controlling it |
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