Method and apparatus for controlling an extra-corporeal blood treatment in a medical device
First Claim
1. Apparatus for controlling an extra-corporeal blood treatment in a medical device, comprising:
- a blood treatment device, the blood treatment device being a dialyzer;
an extra-corporeal blood transport line, having at least an arterial line configured to bring blood from a first access of a patient under treatment to said blood treatment device, a venous line configured to bring blood from said blood treatment device to a second access of the patient, and at least a first pump for moving blood in said extra-corporeal blood transport line;
a fluid transport line for a treatment fluid for said blood, the fluid transport line adapted to bring the treatment fluid from a source to said blood treatment device and from said blood treatment device to an exit, and at least a second pump for moving the treatment fluid in the fluid transport line;
at least a sensor adapted to provide a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment or of the treatment device in the medical device;
at least one storage memory; and
at least a control device operatively connected at least with said storage memory and with said sensor;
wherein said control device is configured for;
receiving said measure from said sensor,correlating said measure at least with referential data of said treatment device for said treatment parameter provided from said at least one storage memory to obtain a first deviation value (DV1),comparing said first deviation value (DV1) with a first threshold (T1) to determine when the first deviation value (DV1) is less than or greater than the first threshold (T1),correlating said measure with patient historical data of said patient under treatment for said treatment parameter during an extra-corporeal blood treatment of said patient under treatment, provided from said at least one storage memory, to obtain a second deviation value (DV2),comparing said second deviation value (DV2) with a second threshold (T2) to determine when the second deviation value (DV2) is less than or greater than the second threshold (T2),detecting the occurrence of a first event when the first deviation value (DV1) is greater than the first threshold (T1) and the second deviation value (DV2) is less than the second threshold (T2),detecting the occurrence of a second event when the first deviation value (DV1) is less than the first threshold (T1) and the second deviation value (DV2) is greater than the second threshold (T2),determining that a first root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to delivery of the extra-corporeal blood treatment to the patient under treatment when the occurrence of the first event is detected,determining that a second root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to a deviation in a clinical status of the patient under treatment when the occurrence of the second event is detected.
2 Assignments
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Accused Products
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.
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Citations
32 Claims
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1. Apparatus for controlling an extra-corporeal blood treatment in a medical device, comprising:
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a blood treatment device, the blood treatment device being a dialyzer; an extra-corporeal blood transport line, having at least an arterial line configured to bring blood from a first access of a patient under treatment to said blood treatment device, a venous line configured to bring blood from said blood treatment device to a second access of the patient, and at least a first pump for moving blood in said extra-corporeal blood transport line; a fluid transport line for a treatment fluid for said blood, the fluid transport line adapted to bring the treatment fluid from a source to said blood treatment device and from said blood treatment device to an exit, and at least a second pump for moving the treatment fluid in the fluid transport line; at least a sensor adapted to provide a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment or of the treatment device in the medical device; at least one storage memory; and at least a control device operatively connected at least with said storage memory and with said sensor; wherein said control device is configured for; receiving said measure from said sensor, correlating said measure at least with referential data of said treatment device for said treatment parameter provided from said at least one storage memory to obtain a first deviation value (DV1), comparing said first deviation value (DV1) with a first threshold (T1) to determine when the first deviation value (DV1) is less than or greater than the first threshold (T1), correlating said measure with patient historical data of said patient under treatment for said treatment parameter during an extra-corporeal blood treatment of said patient under treatment, provided from said at least one storage memory, to obtain a second deviation value (DV2), comparing said second deviation value (DV2) with a second threshold (T2) to determine when the second deviation value (DV2) is less than or greater than the second threshold (T2), detecting the occurrence of a first event when the first deviation value (DV1) is greater than the first threshold (T1) and the second deviation value (DV2) is less than the second threshold (T2), detecting the occurrence of a second event when the first deviation value (DV1) is less than the first threshold (T1) and the second deviation value (DV2) is greater than the second threshold (T2), determining that a first root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to delivery of the extra-corporeal blood treatment to the patient under treatment when the occurrence of the first event is detected, determining that a second root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to a deviation in a clinical status of the patient under treatment when the occurrence of the second event is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. Method of controlling an extra-corporeal blood treatment in a medical device, the method comprising:
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pumping blood of a patient under treatment through an extra-corporeal blood transport line and through a blood treatment device, connected to said extra-corporeal blood transport line and to a fluid transport line for a blood treatment fluid, said blood treatment device being a dialyzer, sensing a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment in the medical device, obtaining referential data of said treatment device, or of a disposable part of said treatment device, for said treatment parameter, obtaining historical data of said patient under treatment for said treatment parameter, correlating said measure at least with said referential data of said treatment device to obtain a first deviation value (DV1), comparing said first deviation value (DV1) with a first threshold (T1) to determine when the first deviation value (DV1) is less than or greater than the first threshold (T1), correlating said measure with said patient historical data of said patient to obtain a second deviation value (DV2), comparing said second deviation value (DV2) with a second threshold (T2) to determine when the second deviation value (DV2) is less than or greater than the second threshold (T2), determining that a first root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to delivery of the extra-corporeal blood treatment to the patient under treatment when the first deviation value (DV1) is greater than the first threshold (T1) and the second deviation value (DV2) is less than the second threshold (T2), determining that a second root-cause of the first deviation value (DV1) and the second deviation value (DV2) is related to a deviation in a clinical status of the patient under treatment when the first deviation value (DV1) is less than the first threshold (T1) and the second deviation value (DV2) is greater than the second threshold (T2). - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. Apparatus for controlling an extra-corporeal blood treatment in a medical device, comprising:
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a blood treatment device; an extra-corporeal blood transport line having at least an arterial line configured to bring blood from a first access of a patient under treatment to the blood treatment device, a venous line configured to bring blood from the blood treatment device to a second access of the patient, and at least a first pump for moving blood in the extra-corporeal blood transport line; a fluid transport line for a treatment fluid for the blood, the fluid transport line configured to bring the treatment fluid from a source to the blood treatment device and from the blood treatment device to an exit, and at least a second pump for moving the treatment fluid in the fluid transport line; at least a sensor configured to provide a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment or of the blood treatment device; an auxiliary sensor configured to provide an auxiliary measure correlated to the blood treatment device in the medical device; at least one storage memory; and at least a control device operatively connected at least with the storage memory, the sensor; and
the auxiliary sensor, wherein the control device is configured to;receive the measure from said sensor, correlate the measure at least with referential data of the blood treatment device of said patient under treatment for the treatment parameter provided from the at least one storage memory, and correlate the measure with patient historical data for the treatment parameter during the extra-corporeal blood treatment to obtain information representative of quality of the extra-corporeal blood treatment; receive the auxiliary measure from the auxiliary sensor; select the referential data of the blood treatment device for the treatment parameter depending on the auxiliary measure; and obtain information representative of quality of the extra-corporeal blood treatment based on said correlations.
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29. Apparatus for controlling an extra-corporeal blood treatment in a medical device, comprising:
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a blood treatment device; an extra-corporeal blood transport line having at least an arterial line configured to bring blood from a first access of a patient under treatment to the blood treatment device, a venous line configured to bring blood from the blood treatment device to a second access of the patient, and at least a first pump for moving blood in the extra-corporeal blood transport line; a fluid transport line for a treatment fluid for the blood, the fluid transport line configured to bring the treatment fluid from a source to the blood treatment device and from the blood treatment device to an exit, and at least a second pump for moving the treatment fluid in the fluid transport line; a sensor configured to provide a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment or of the blood treatment device; an auxiliary sensor configured to provide an auxiliary measure correlated to an auxiliary treatment parameter of the extra-corporeal blood treatment or of the blood treatment device in the medical device; storage memory; and at least a control device operatively connected at least with the storage memory the auxiliary sensor, and the sensor;
wherein the control device is configured to;receive the measure from said sensor, receive the auxiliary measure from the auxiliary sensor, correlate the measure at least with referential data of the blood treatment device to obtain a first deviation value (DV1, compare the first deviation value (DV1) with a first threshold (T1), correlate the measure with patient historical data of the patient under treatment to obtain a second deviation value (DV2), compare the second deviation value (DV2) with a second threshold (T2), evaluate the result of said correlations based on the auxiliary measure. - View Dependent Claims (30)
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31. Method of controlling an extra-corporeal blood treatment in a medical device, the method comprising:
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pumping blood of a patient under treatment through an extra-corporeal blood transport line and through a blood treatment device connected to said extra-corporeal blood transport line and pumping a blood treatment fluid through a fluid transport line to the blood treatment device to perform an extracorporeal blood treatment on the blood; sensing a measure correlated to at least a treatment parameter of the extra-corporeal blood treatment; sensing an auxiliary measure correlated to an auxiliary treatment parameter of the extra-corporeal blood treatment or of the blood treatment device in the medical device; obtaining referential data of the blood treatment device or of a disposable part of the blood treatment device for the treatment parameter; obtaining historical data of the patient under treatment for the treatment parameter; correlating the measure at least with the referential data to obtain a first deviation value (DV1); comparing the first deviation value (DV1) with a first threshold (T1); correlating the measure with the historical data of the patient under treatment to obtain a second deviation value (DV2); comparing said second deviation value (DV2) with a second threshold (T2); evaluating the result of said correlations based on the auxiliary measure. - View Dependent Claims (32)
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Specification