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7351218 |
Device and process for extracorporeal treatment by citrate anticoagulant
A device for treating blood by extracorporeal circulation comprising a filter having a first chamber and a second chamber separated by a semi-permeable membrane. The device has an arterial line...
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7172569 |
Method and device for determining blood flow in a vascular access
A method and a device for determining the blood flow Q F in a vascular access (F) during an extracorporeal blood treatment is described, where the blood enters the blood treatment unit ( 3 ) of...
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7138088 |
Access disconnection system and methods
Apparatuses, devices, systems and methods for detecting access disconnection are provided. The present invention includes electrical contacts in fluid and electrical communication with a fluid...
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6913588 |
Extracorporeal fluid circuit and related methods
A circuit for extracorporeal treatment of a body fluid, the circuit including in serial fluidic communication an inlet for receiving the body fluid from a patient, a first pump, a first treatment...
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6890315 |
Method and apparatus for vein fluid removal in heart failure
A method and apparatus for ultrafiltration of blood operating by removing blood from a peripheral blood vessel at a rate of less than two percent of total cardiac output of a patient, extracting...
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6663585 |
Method and device for monitoring vessel access during extracorporeal blood treatment
A method and device for monitoring vascular access is described. A field coil is placed at a location on an extracorporeal circulation loop connected to the vascular system of a patient, and an...
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6635026 |
Haemofiltration machine for independently controlling the concentration of a least two ionic substances in a patient's internal medium
A haemofiltration machine designed to work with a haemofilter comprises two compartments separated by a semipermeable membrane, one compartment having an inlet connected to a withdrawing tube for...
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6537240 |
Method for determining the recirculation of blood in a vascular access and a system for implementing same
In an extracorporeal blood treatment system, non-treated blood may be withdrawn from a patient through an arterial line connected to a first compartment of a blood treatment apparatus. The blood...
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5810757 |
Catheter system and method for total isolation of the heart
A system for providing total isolation of the heart includes an extracorporeal support apparatus. An arterial circulation support catheter is provided having a blood lumen with a proximal end...
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5762624 |
Venous cannula
A process for inducing cardioplegic arrest of a heart in situ in a patient's body, comprising maintaining the patient's systemic circulation by peripheral cardiopulmonary by-pass, occluding the...
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5725768 |
Granulocyte removing apparatus
Granulocytes can be removed from blood by bringing the blood into contact with a carrier having higher affinity to granulocytes than to lymphocytes. the carrier may preferably be a substance having...
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5711883 |
Method for testing dialyzer integrity prior to use
The present invention includes a method and apparatus for the testing the integrity of a dialyzer prior to use. The dialyzer is tested on the same hardware used for the treatment of dialysis. The...
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5529685 |
Dialysis system for returning blood in the system after the completion of dialysis
The dialysis apparatus in accordance with the present invention is provided with main piping connecting a blood inlet and a blood outlet, and having disposed therealong a blood pump, a dialyzer,...
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5470483 |
Device and method for controlling the balance of fluids in an extracorporeal blood circuit
A device and method are provided for controlling the balance of fluids during an extracorporeal blood treatment session, according to which treatment, a certain quantity of liquid is withdrawn from...
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5366630 |
Artificial kidney and a method of controlling it
The artificial kidney includes an exchanger having two compartments separated by a semipermeable membrane, the first compartment of which is connected to a circuit for conveying a flow of blood...
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4964847 |
Method and apparatus for estimating hematocrit in a blood constituent processing system
During an initial priming procedure, the blood draw/return needle(s) fluid flow system is primed with a nonblood fluid (e.g. a saline solution) having known fluid viscosity. The pressure drop...
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4963265 |
Plasma processing device with anaphylatoxin remover
Blood derived fluids are subjected to modification resulting in the production of anaphylatoxins. The anaphylatoxins may then be removed by passing the modified blood through silicic acid particles...
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4955857 |
Multi-enzyme bioreactor therapy for cancer
A new therapy for cancer which involves removal from circulation of several nonessentials amino acids, some essential amino acids and folic acid simultaneously and continuously for long-term...
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4894164 |
Apparatus for treating blood in an extracorporeal circuit
An apparatus for treating blood in an extracorporeal circuit for hemodialysis of hemofiltration and a method for withdrawing heat from blood in an extracorporeal circuit wherein blood is brought...
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4767399 |
Volumetric fluid withdrawal system
A system for withdrawing a predetermined volume of fluid from a patient comprises a filter assembly which is connected in line for fluid communication between an artery and a vein of the patient. A...
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4708714 |
Apparatus for the separation of fractions from body fluids
An apparatus is disclosed for the separation of one or more fractions out of whole blood, plasma, or other similar body fluids utilizing an adsorption column comprising means for feeding the fluid...
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4650458 |
Apparatus for the measurement of fluid flow
Apparatus is disclosed for the measurement and replacement of physiological fluids including a meter for measuring the amount of a physiological fluid flowing through the meter, a first conduit for...
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4559034 |
Line for use in body fluid treatment
A method for treating blood uses a tubular body fluid passageway member at least part of which is made of a flexible material, an outer tubular member which is made of a nonflexible material and...
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4512763 |
Method and apparatus for selective removal of constituents of blood
A method for removing a constituent such as immunoglobulins, lymphocytes, or immune complexes from a component of a patient's blood comprises the steps of: removing blood from the patient;...
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4500309 |
Method for regional anticoagulation during extracorporeal dialysis
An improved hemodialysis method (which may optionally include a hemoperfusion step) including regional extracorporeal citrate anticoagulation is disclosed which permits complete elimination of...
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4486189 |
Dual mode hemodialysis system
A hemodialysis system capable of operation in either a single needle mode or a double needle mode includes an arterial blood pump which is the sole blood pump in the system during the double needle...
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4353368 |
Device for hemodialysis
A device for hemodialysis provided with: an artery needle, a set of hoses with a bubble trap, a blood pump, a hemodialyzer, a venous needle, a container of a dialyzing solution, a conduit for the...
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4300551 |
Method for treating schizophrenia
A method for treating schizophrenia in human patients by hemoperfusion using hemoperfusion of the patient's blood through a charcoal cartridge in a manner for selective removal of molecules is...
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4275726 |
Apparatus for fluid balancing under sterile conditions
Apparatus for removing fluid from and supplying fluid to the human body in substantially equal quantities includes a double tube pump (1), a measuring chamber (2), and a supply container (4), the...
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4266021 |
Method and apparatus for the measurement of the concentration of a compound in a liquid medium
A method and apparatus is provided for measuring the content of a compound in a liquid medium, and which is particularly useful for measuring the concentration of a low molecular weight compound in...
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4253456 |
Artificial endocrinal gland
An artificial endocrinal gland comprises a blood dialyzer for transferring part of the blood to a measuring liquid in a separate circuit, an analyzer for quantatively determining this part and...
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4241187 |
Method and apparatus for cell and tissue culture
A method and apparatus for culturing biological cells and tissues in high density are disclosed, employing perfused blood as the nutrient source. The cells or tissues are separated from the...
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4223672 |
Variable volume plasma treatment chamber for an apparatus for the extracorporeal treatment of disease
The apparatus includes a peristaltic pump for withdrawing whole blood from a patient, a device for centrifuging the blood to separate plasma from the whole blood, a plasma treatment chamber for...
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4204957 |
Artificial kidney
An artificial kidney comprising a filter which is disposed between an artery connection and a vein connection, a collecting means for the filtrate to be discharged from the filter, a means for...
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4123353 |
Method and apparatus for measuring the content of a low-molecular weight compound in a complex medium
A method and apparatus is provided for measuring the content of a low-molecular weight compound in a complex medium which includes a dialyzer, conduits for conveying the complex medium through the...
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4061141 |
Apparatus and method for selectively separating amino acids and defined proteins in blood
There is provided an apparatus and method for selectively separating amino acids and defined proteins from the blood by enzymatic degradation, to obtain a therapeutic effect. The apparatus includes...
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3982535 |
Signal device for dialysis apparatus
A dialysis apparatus for machines such as artificial kidneys and heart-lung machines has a warning device activated to prevent air bubbles from entering the blood circulation system of the patient...
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3888250 |
Disposable hemoperfusion assembly for detoxification of blood and method therefor
A disposable hemoperfusion assembly adapted for use in the detoxification of blood includes a housing having an inlet opening and an outlet opening which is adapted to be connected to a source of...
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3864259 |
Ambulatory hemodialysis apparatus
An ambulatory hemodialysis apparatus has a perfusion unit having multiple small internal diameter tubules secured at both tubule terminus in a pair of plastic header plates. The plate pair are...
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3802432 |
APPARATUS FOR FILTRATION-LEUKOPHERESIS FOR SEPARATION AND CONCENTRATION OF HUMAN GRANULOCYTES
Apparatus is provided for continuous withdrawal of blood from a human donor, separation preferably of granulocytes therefrom by extracorporeal circulation and filtration of the blood and return of...
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3754649 |
ARTIFICIAL KIDNEY MACHINE
A batch-type artificial kidney machine especially adapted for home use and operation by non-professionals. The machine is automatic in operation with all functions controlled by a single...
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3731680 |
PRESSURE REGULATING CONTROLLER
The invention disclosed is for a pressure monitor and control device having particular utility in medical technology were constant monitor of hydro-static pressure is required. The disclosed device...
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