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公开(公告)号：US11786644B2
公开(公告)日：2023-10-17
申请号：US16956281
申请日：2018-12-17
发明人： Andreas Maierhofer
IPC分类号： A61M1/16 , A61M1/34 , G16H20/40 , G16H50/50 , G16H50/30 , G16H50/20 , G16H40/40 , G16H40/63 , G05B6/02
CPC分类号： A61M1/1611 , A61M1/1605 , A61M1/1613 , A61M1/1656 , A61M1/341 , G05B6/02 , G16H20/40 , G16H40/40 , G16H40/63 , G16H50/20 , G16H50/30 , G16H50/50
摘要： A method for determining a treatment regimen for altering the treatment parameters when dialyzing a patient over a plurality of treatment sessions taking place on future days includes determining a diffusive total target sodium balance; and determining a transitional treatment regimen by which the diffusive total target sodium balance is achieved over the plurality of future treatment sessions. A control device or closed-loop control device is configured to control a blood treatment apparatus using the method.
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公开(公告)号：US10569001B2
公开(公告)日：2020-02-25
申请号：US15501180
申请日：2015-07-20
摘要： The invention relates to a method and to a device for determining an optimum dialysate flow Qdopt for an extracorporeal blood treatment and to a blood treatment device comprising a device 18 for determining an optimum dialysate flow Qdopt. The optimum dialysate flow Qdopt is determined on the basis of a relationship describing the dependence of the clearance K on the dialysate flow Qd. The device according to the invention comprises a measurement device 18B for measuring at least one value which is characteristic of the clearance K, a calculation and/or evaluation unit 18A of the device according to the invention being configured in such a way that the clearance K is determined on the basis of the at least one value which is characteristic of the clearance. The calculation and/or evaluation unit 18A is configured in such a way that the optimum dialysate flow Qdopt is determined from the relationship describing the dependence of the clearance K on the dialysate rate Qd on the basis of the measured clearance K, or the optimum dialysate flow Qdopt is determined from the measured clearance K.
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公开(公告)号：US11596725B2
公开(公告)日：2023-03-07
申请号：US16619477
申请日：2018-06-07
发明人： Andreas Maierhofer
IPC分类号： A61M1/36
摘要： The invention relates to a device for extracorporeal blood treatment, comprising a blood treatment unit 1 that comprises at least one compartment 4. The invention further relates to a method for determining a hemodynamic parameter during an extracorporeal blood treatment by means of an extracorporeal blood treatment device. In order to determine the hemodynamic parameter, the conveying direction of the blood pump 10 is reversed from a “normal” blood flow to a “reversed” blood flow. In practice, it has been found that reversing the conveying direction of the blood pump for a measurement for determining a hemodynamic parameter carries the risk of blood clots reaching the patient, despite the dialyser holding back blood clots. The blood treatment device comprises an input unit 23 for inputting a time interval which can be specified by the user, taking into account the patient-specific and system-specific factors. The control and evaluation unit 12 of the blood treatment device is configured such that the operation of the blood pump 10 in the operating mode involving a reversed blood flow is only enabled during the time interval input by means of the input unit, the start of the time interval being determined from the point at which the blood treatment starts.
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公开(公告)号：US20220313879A1
公开(公告)日：2022-10-06
申请号：US17616865
申请日：2020-06-03
发明人： Andreas Maierhofer
摘要： The present disclosure relates to a calculation device for determining an interdialytic sodium intake of a patient and/or for determining a non-osmotically triggered interdialytic liquid intake, including a storage device and/or an input device configured for storing or for entering parameter values of the patient; a computing device, configured for calculating the interdialytic sodium intake of the patient and/or for calculating his non-osmotically triggered interdialytic liquid intake; and an output device for outputting a signal for controlling or closed-loop controlling a communication device and/or a medical blood treatment apparatus.
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5.发明申请公开(公告)号：US20200330668A1
公开(公告)日：2020-10-22
申请号：US16956281
申请日：2018-12-17
发明人： Andreas Maierhofer
IPC分类号： A61M1/16 , G16H50/20 , G16H20/40 , G16H50/50 , G16H50/30 , G16H40/40 , G16H40/63 , G05B6/02 , A61M1/34
摘要： A method for determining a treatment regimen for altering the treatment parameters when dialyzing a patient over a plurality of treatment sessions taking place on future days includes determining a diffusive total target sodium balance; and determining a transitional treatment regimen by which the diffusive total target sodium balance is achieved over the plurality of future treatment sessions. A control device or closed-loop control device is configured to control a blood treatment apparatus using the method.
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公开(公告)号：US11324868B2
公开(公告)日：2022-05-10
申请号：US16619476
申请日：2018-06-07
发明人： Andreas Maierhofer
摘要： The invention relates to an apparatus for extracorporeal blood treatment, comprising a blood treatment unit 1 that comprises at least one compartment 3. The invention further relates to an apparatus 15A, 15B for collecting blood clots for a blood line 5, 7 for supplying blood to or removing blood from a blood treatment unit 1 of an extracorporeal blood treatment apparatus, and to a method for determining a hemodynamic parameter during extracorporeal blood treatment using an extracorporeal blood treatment apparatus. In order to determine the hemodynamic parameter, the conveying direction of the blood pump 10 is reversed from a “normal” blood flow to a “reversed” blood flow. It has been found in practice that, in the event of a reversal in the conveying direction of the blood pump in order to carry out a measurement for determining a hemodynamic parameter, there is a risk of blood clots reaching the patients, although the dialyser traps blood clots. The apparatus according to the invention provides an apparatus 15A for catching blood clots, at least in the blood line of the extracorporeal blood circuit I that leads to the blood treatment unit 1 during a “normal blood flow”. The blood treatment unit traps blood clots during blood treatment having a “normal” blood flow. In the case of a “reversed” blood flow, the apparatus for catching blood clots in the blood line that leads to the blood treatment unit 1 during a “normal blood flow” traps blood clots that may have previously accumulated at the inlet of the blood treatment unit.
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公开(公告)号：US10349876B2
公开(公告)日：2019-07-16
申请号：US15504918
申请日：2015-08-17
发明人： Andreas Maierhofer
IPC分类号： A61B5/145 , A61M1/16 , A61B5/00 , A61B5/1468
摘要： The invention relates to a dialysis machine having the capability of determining a predialytic property in the blood of a dialysis patient which has an extracorporeal blood circuit, a dialyzate circuit, a dialyzer and a processing unit, wherein at least one sensor for determining a property of the dialyzate is arranged in the dialyzate circuit. The processing unit is configured such that temporal evaluation ranges are fixed during an initial phase of the dialysis treatment, in which temporal evaluation ranges all stability criteria from a predefined group are satisfied; and in that only measured values determined by the at least one sensor within these temporal evaluation ranges are used for determining a predialytic property of the patient's blood.
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公开(公告)号：US20170270264A1
公开(公告)日：2017-09-21
申请号：US15429827
申请日：2017-02-10
发明人： Andreas Maierhofer , Carsten Müller
CPC分类号： G06F19/3418 , A61M1/14 , A61M2205/18 , A61M2205/3553 , A61M2205/505 , A61M2205/6063 , A61M2205/609 , G16H20/40 , G16H40/63 , G16H40/67
摘要： Alarm messages, which are output by a medical apparatus, are remotely processed on a remote application apparatus under consideration of a safety check and in particular with regard to whether the user who is working at the application apparatus is in visual contact with the alarm message-triggering medical apparatus. The medical apparatus may be a hemodialysis apparatus or a peritoneal dialysis apparatus, or another type of medical apparatus.
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公开(公告)号：US11925479B2
公开(公告)日：2024-03-12
申请号：US16330229
申请日：2017-09-04
发明人： Andreas Maierhofer
CPC分类号： A61B5/6866 , A61B5/01 , A61B5/746 , A61M1/1605 , A61M1/1607 , A61M1/1609 , A61M1/1664 , A61M1/3609 , A61M2205/3368 , A61M2205/366 , A61M2230/50
摘要： The present invention relates to a method of determining the body temperature or a temperature correlated therewith of a patient connected to an extracorporeal blood circuit, wherein the extracorporeal blood circuit has a heat exchanger which is flowed through by blood at one side and by a heat carrier medium at the other side, wherein the temperature (Tdi) of the heat carrier medium at the inlet side is measured at the inlet of the heat exchanger and the temperature (Tdo) of the heat carrier medium at the outlet side is measured at the outlet of the heat exchanger and the volume flow of the heat carrier medium (Qd) is measured; and in that the temperature (Tbi) of the blood at the inlet side is determined at the inlet of the heat exchanger in accordance with the relationship Tbi=Tdi (Qd/D) (Tdo−Tdi), where the value D is a value characteristic of the heat transfer by the heat exchanger.
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公开(公告)号：US10896755B2
公开(公告)日：2021-01-19
申请号：US15429827
申请日：2017-02-10
发明人： Andreas Maierhofer , Carsten Müller
摘要： Alarm messages, which are output by a medical apparatus, are remotely processed on a remote application apparatus under consideration of a safety check and in particular with regard to whether the user who is working at the application apparatus is in visual contact with the alarm message-triggering medical apparatus. The medical apparatus may be a hemodialysis apparatus or a peritoneal dialysis apparatus, or another type of medical apparatus.
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