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    • 4. 发明授权
    • Method for at least partially draining an extracorporeal blood flow and haemodialysis device for use with said method
    • 用于至少部分排出体外血流的方法和用于所述方法的血液透析装置
    • US07985196B2
    • 2011-07-26
    • US12086593
    • 2007-03-06
    • Pascal KopperschmidtJoachim Noack
    • Pascal KopperschmidtJoachim Noack
    • A61M37/00C02F1/44
    • A61M1/3643A61M1/1682A61M1/3644A61M1/3646A61M1/365A61M1/3652
    • A method and a hemodialysis machine provide for at least partial emptying of an extracorporeal blood circulation after patient blood in the circulation has been returned to the patient via an infusion liquid which displaces the blood. The method includes emptying at least a blood chamber of a hemodialyzer subdivided by a semipermeable membrane into the blood chamber and a dialysis fluid chamber without additionally connecting an arterial blood line and a venous blood line of the circulation to one another. The arterial blood line is actively or passively aerated at a first point and the venous blood line is actively or passively aerated at a second point. The infusion liquid is emptied through the membrane into the dialysis fluid chamber and then via a dialysis fluid discharge line. The method is operable by a control program that runs automatically without requiring any manual input after activation of the program.
    • 一种方法和血液透析机在循环中的患者血液已经通过置换血液的输注液体返回给患者之后,至少部分排空体外血液循环。 所述方法包括将至少由半透膜细分的血液透析器的血液室排空到血液室中,以及透析液室,而不将动脉血管和循环的静脉血液线彼此连接。 动脉血液线在第一点被主动地或被动地通气,并且静脉血液线在第二点被主动或被动地充气。 将输液通过膜排空到透析液室中,然后通过透析液排出管。 该方法可通过自动运行的控制程序进行操作,而不需要在激活程序之后进行任何手动输入。
    • 7. 发明申请
    • METHOD AND DEVICE FOR RECOGNITION OF PARAVASAL BLEEDING
    • 用于识别PARAVASAL BLEEDING的方法和装置
    • US20110230812A1
    • 2011-09-22
    • US13130116
    • 2009-11-14
    • Pascal KopperschmidtGross MalteSpickermann Reiner
    • Pascal KopperschmidtGross MalteSpickermann Reiner
    • A61M37/00A61B5/02
    • A61B5/02042A61M1/3639A61M1/3653A61M1/3656A61M1/3659A61M1/3661A61M2205/18A61M2205/3331
    • A method and a device for recognition of paravasal bleeding upon a supplying of blood to a vascular access via a line and/or upon the removal of blood from a vascular access via a line, particularly paravasal bleeding during extra-corporeal blood treatment, such as for hemodialysis, hemofiltration or hemodiafiltration is provided. A device for extra-corporeal blood treatment, particularly for hemodialysis, hemofiltration or hemodiafiltration, comprising a device for recognition of paravasal bleeding is also provided. The method and the device are based on the change of arterial pressure in the arterial branch or the venous pressure in the venous branch of the extra-corporeal circuit being registered during the extra-corporeal blood treatment. If paravasal bleeding occurs during the blood treatment, the positive dynamic pressure on the line leading to the vascular access rises on the venous cannula during the extra-corporeal blood treatment, or the suction pressure on the line leaving the vascular access, such as the arterial cannula during extra-corporeal blood treatment, rises; that is, the suction pressure becomes more negative. The pressure rise begins moderately at first and then becomes increasingly greater. Decisive for the method and the device, therefore, is that pressure changes that come from a pressure level exhibiting a large difference from the reference value find stronger consideration than those that come from a pressure level that exhibits only a minor difference from the reference value.
    • 一种方法和装置,用于在通过管线向血管通路供血时和/或通过管线从血管通路中取出血液,特别是在体外血液处理期间特别是paravasal出血,例如 用于血液透析,提供血液滤过或血液透析滤过。 还提供了一种用于体外血液处理的装置,特别是用于血液透析,血液滤过或血液透析滤过的装置,其包括用于识别旁路出血的装置。 该方法和装置基于在体外血液处理期间记录的动脉分支中的动脉压的变化或在体外循环的静脉分支中的静脉压。 如果在血液治疗期间发生paravasal渗血,则导致血管通路的线上的积极动态压力在体外血液处理期间在静脉插管上升,或者离开血管通路的线路上的吸入压力,例如动脉 套管在体外血液治疗中升高; 也就是说,吸入压力变得更负。 首先压力上升开始适度,然后变得越来越大。 因此,对于该方法和装置来说,与来自与参考值显示较大差异的压力水平的压力变化比从与参考值仅显示微小差异的压力水平的压力变化相比更强烈地考虑。
    • 10. 发明申请
    • Method and device for the detection of disruptions of the blood flow in an extracorporeal blood circuit
    • 用于检测体外血液回路中血流中断的方法和装置
    • US20070108128A1
    • 2007-05-17
    • US10580869
    • 2004-09-11
    • Pascal KopperschmidtMalte Gross
    • Pascal KopperschmidtMalte Gross
    • B01D61/32
    • A61M1/3441A61M1/3434A61M1/3437A61M1/3609A61M1/3639A61M2230/207
    • A method and device that identify impairments of the blood flow in an extra-corporeal blood circuit during extracorporeal treatment of the blood using an extracorporeal haemodialysis device, where the phase angle of at least one harmonic oscillation of an oscillating pressure signal that propagates in the extracorporeal blood circuit is determined. Impairments of the blood flow are detected in the extracorporeal blood circuit based on a characteristic modification of the phase angle of at least one harmonic oscillation of the pressure signal. A temporal modification of the phase angle may be compared with a predefined threshold value and an impairment is detected if the value of the modification of the phase angle is greater than the predefined threshold value. The method and device permit an early identification of a coagulation of the blood that flows through the haemodialysis unit, so that countermeasures can be initiated promptly.
    • 一种方法和装置,其使用体外血液透析装置来识别血液体外处理期间体外血液回路中的血流的损伤,其中振荡压力信号的至少一次谐波振荡在体外传播的相位角 确定血液回路。 基于对压力信号的至少一次谐波振荡的相位角的特征修改,在体外血液回路中检测出血流的损伤。 可以将相位角的时间修改与预定义的阈值进行比较,并且如果相位角的修改值大于预定阈值,则检测损伤。 该方法和装置允许早期鉴定血液透析装置中血液的凝结,从而可以及时启动对策。