Abstract: The invention relates to a calculation and control system for the determination of the state of a vascular access of a patient intended to follow successive sessions of extracorporeal blood treatment by extraction and return of the blood via the vascular access, the system comprising: means for determining the value of at least one hemodynamic extracorporeal parameter of the patient for at least two sessions; means for determining the value of the purification effectiveness of the treatment for at least two sessions; programmed means for determining a risk score relating to the state of the vascular access of the patient as a function of at least two values of the hemodynamic extracorporeal parameter and of at least two determined values of the purification effectiveness.

Abstract: It is disclosed a controller for a blood treatment equipment comprising at least a treatment unit including a semipermeable membrane separating the treatment unit in a first compartment for the circulation of blood and in a second compartment for the circulation a of a treatment liquid; the controller is adapted to receive one or more entries of measured information measured during the course of a treatment procedure, calculate from said measured information a value of at least a significant parameter indicative of the progress of an extracorporeal blood treatment carried out by the equipment, wherein the controller is also adapted to compare said calculated significant parameter to at least a prescribed reference value for the same parameter, and to generate at least one output control signal responsive to said comparison for automatically controlling one or more operations performed by the equipment.

Abstract: Dialysis apparatus including a blood treatment unit having a dialysate chamber and a blood chamber separated by a semipermeable membrane, a dialysate circuit presenting a supply line and a discharge line connected to the blood treatment unit, a preparation device for preparing a dialysate containing a substance present in the blood too and a regulator regulating the concentration of the substance in the dialysate. A blood circuit to circulate extracorporeal blood through the blood chamber; a controller that determines a value representative of the concentration of the substance in the blood and are programmed for driving the regulator as a function of the determined value representative of the substance concentration in the blood such that the substance concentration in the dialysate tends towards the substance concentration in the blood.

Abstract: An apparatus for controlling a fluid flow rate in a fluid transport line of a medical device, including at least a first pump, at least a chamber for collecting the fluid, at least a sensor for providing a first value correlated to the amount of fluid in the chamber, and a control device configured for receiving a second value representative of the fluid flow rate through the first pump and for correlating the second value with the first value to obtain an accuracy check of the second value. A method for controlling a fluid flow rate in a fluid transport line of a medical device including pumping a fluid, collecting the fluid in a chamber, sensing a first value correlated to the amount of fluid in the chamber, and detecting and sending a second value representative of the fluid flow rate through the first pump to a control device, sending the first value to the control device and correlating the second value with the first value to obtain an accuracy check.

Abstract: The invention relates to a calculation and control system for determining whether a patient intended to follow several sessions of hemodialysis treatment falls or not within one group among several groups of hypertension-affected patients, the system comprising: a) means for determining the value of at least one parameter representing the mass interdialytic evolution of the patient, for at least two sessions, b) means for determining the value of at least one parameter representing the plasmatic conductivity of the patient for at least two sessions, c) means for determining the value of a parameter representing the ionic mass transfer of the treatment for at least two sessions, d) programmed means for determining whether the patient falls or not within a group of hypertension-affected patients as a function of the interdialytic mass evolution of the patient, and/or of the plasmatic conductivity and/or of the ionic mass transfer.

Abstract: Apparatus for controlling an extra-corporeal blood treatment in a medical device, comprising a blood treatment device (7), an extra-corporeal blood transport line (4), a fluid transport line (3) for a treatment fluid for the blood, at least a sensor adapted to provide a measure (M) correlated to at least a treatment parameter of the extra-corporeal blood treatment and/or of the treatment device (7) in the medical device (1), at least one storage memory (29), and at least a control device (28), operatively connected at least with the storage memory (29) and with the sensor, and configured for receiving the measure (M) from the sensor, correlating the measure (M) with referential data (R) of the treatment device for the treatment parameter provided by the at least one storage memory (29), and correlating the measure (M) with patient historical data (H) for the treatment parameter for obtaining an information representative of the quality of the extra-corporeal blood treatment.

Abstract: A medical apparatus for extracorporeal blood treatment and a method for determining blood parameter value have been provided. The medical apparatus has a control unit (9) configured for taking from a storage memory (10) a plurality of blood parameter value measures each made through the sensors (8) provided on the bloodline set of each of a machines plurality at different patient treatment sessions; all the blood parameter values relate to the same patient; receiving at least a corresponding laboratory measured value of the same blood parameter relating to the same patient and a laboratory measurement time; determining a correction factor function of a difference between a measured value made though the sensor and a laboratory measured value; obtaining an actual value of said blood parameter by varying at least the last measure made through the sensor by means of the correcting factor.

Abstract: A controller for blood treatment equipment comprising a treatment unit including a semipermeable membrane separating the treatment unit into a first compartment for the circulation of blood and a second compartment for the circulation of a treatment liquid is enclosed. The controller is adapted to receive one or more entries of information measured during the course of a treatment procedure, to calculate from said measured information a value of a significant parameter indicative of the progress of an extracorporeal blood treatment carried out by the equipment. The controller is also adapted to compare the calculated significant parameter to a prescribed reference value for the same parameter and to generate at least one output control signal responsive to said comparison for automatically controlling one or more operations performed by the equipment. Equipment comprising the controller and a control method the controller can be programmed to carry out are also disclosed.

Abstract: The invention relates to a calculation and control system for the determination of the state of a vascular access of a patient intended to follow successive sessions of extracorporeal blood treatment by extraction and return of the blood via the vascular access, the system comprising: means for determining the value of at least one hemodynamic extracorporeal parameter of the patient for at least two sessions; means for determining the value of the purification effectiveness of the treatment for at least two sessions; programmed means for determining a risk score relating to the state of the vascular access of the patient as a function of at least two values of the hemodynamic extracorporeal parameter and of at least two determined values of the purification effectiveness.

Abstract: The invention relates to a calculation and control system for determining whether a patient intended to follow several sessions of hemodialysis treatment falls or not within one group among several groups of hypertension-affected patients, the system comprising: a) means for determining the value of at least one parameter representing the mass interdialytic evolution of the patient, for at least two sessions, b) means for determining the value of at least one parameter representing the plasmatic conductivity of the patient for at least two sessions, c) means for determining the value of a parameter representing the ionic mass transfer of the treatment for at least two sessions, d) programmed means for determining whether the patient falls or not within a group of hypertension-affected patients as a function of the interdialytic mass evolution of the patient, and/or of the plasmatic conductivity and/or of the ionic mass transfer.

Abstract: 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 connected to the first chamber of the filter, a venous line issuing from the first chamber of the filter, a channel used for pre-infusion of a substance for regional anticoagulation and linked to the arterial line, a purge channel issuing from the second chamber of the filter, and an air separator on the venous line. The device also includes a line for post-infusion of a solution at least partially re-establishing the ionic equilibrium of the blood downstream of the air separator, the post-infusion line being configured immediately upstream of an air detector.

Abstract: It is disclosed a controller for a blood treatment equipment comprising at least a treatment unit including a semipermeable membrane separating the treatment unit in a first compartment for the circulation of blood and in a second compartment for the circulation a of a treatment liquid; the controller is adapted to receive one or more entries of measured information measured during the course of a treatment procedure, calculate from said measured information a value of at least a significant parameter indicative of the progress of an extracorporeal blood treatment carried out by the equipment, wherein the controller is also adapted to compare said calculated significant parameter to at least a prescribed reference value for the same parameter, and to generate at least one output control signal responsive to said comparison for automatically controlling one or more operations performed by the equipment.

Abstract: A method and apparatus for determining a fluid flow rate blood access having an upstream position and a downstream position using a dialysis system. The dialysis system includes a dialyzer having a semi permeable membrane delimiting a first chamber through which blood removed from said blood access passes, and a second chamber through which dialysis liquid passes. In addition, an arterial line and a venous line are connected to an inlet and an outlet of the first chamber, respectively.

Abstract: The invention concerns a device for treating blood by extracorporeal circulation (101) comprising a filter (102) having a first chamber (103) and a second chamber (104) separated by a semi-permeable membrane (105), an arterial line (106) connected to the first chamber (103) of the filter (102), a venous line (108) issuing from the first chamber (103) of the filter (102), a channel (109) used for pre-infusion of a substance for regional anticoagulation and linked to the arterial line (106), a purge channel (110) issuing from the second chamber (104) of the filter (102), an air separator (112) on the venous line (108), a line (112) for post-infusion of a solution at least partially re-establishing the ionic equilibrium of the blood downstream of the air separator (111), and an air detector (113) downstream of the post-infusion line (112).

Abstract: 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 taking blood from the patient and an outlet connected to a blood return tube, the other having an outlet connected to a tube for removing used liquid.

Abstract: A dialysis apparatus includes a dialysis liquid circuit for circulating sodium chloride and sodium bicarbonate through a haemodialyzer and a circuit for infusing a patient with at least one solution containing at least one ionic substance “A” absent from the dialysis liquid. The substance “A” has a determined concentration (A)sol in the infusion solution.

Abstract: A dialysis apparatus includes a dialysis liquid circuit for circulating sodium chloride and sodium bicarbonate through a haemodialyser and a circuit for infusing a patient with at least one solution containing at least one ionic substance “A” absent from the dialysis liquid. The substance “A” has a determined concentration (A)sol in the infusion solution.

Abstract: Dialysis apparatus comprising:

Abstract: Dialysis apparatus including:structure (14) for preparing a dialysis liquid containing sodium, comprising structure (18) for regulating the sodium concentration;a dialysis liquid circuit comprising a feed line (12) and a discharge line (13), the feed line (12) having one end connected to the structure (14) for preparing dialysis liquid, and another end which can be connected to a dialyser (1), the discharge line (13) having an end which can be connected to the dialyser (1);structure (9, 10, 12) for infusing a patient with an infusion solution containing sodium and a substance A at determined concentrations [Na.sup.+ ]sol and [A]sol;structure (32) for determining the sodium concentration [Na.sup.+ ]dial of the dialysis liquid so that the patient's body tends towards a desired sodium concentration [Na.sup.+ ]des, as a function of the dialysance D of the dialyser (1) for sodium, of the desired sodium concentration [Na.sup.

Abstract: An artificial kidney includes measurement structure for measuring at least one physical characteristic of a fresh dialysis liquid and of used liquid. The measurement structure are disposed in a line portion common to a branch circuit to the feeder line of fresh dialysis liquid and to a branch circuit to the discharge line for the used liquid. Occluding structure permit the liquid to circulate exclusively in one or the other branch circuit. Due to this arrangement, it is possible to obtain the value of the physical characteristics of a patient's blood by calculation as frequently as desired, and to adjust the operation of the kidney permanently to a therapeutic objective set by the physician.