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control unit and method for determining pressure in a blood vessel, particularly in an arteriovenous fistula
专利权人:
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
发明人:
PASCAL KOPPERSCHMIDT
申请号:
BR112015026894
公开号:
BR112015026894A2
申请日:
2014.04.17
申请国别(地区):
BR
年份:
2017
代理人:
摘要:
Summary "Control unit and method for determining blood vessel pressure, particularly in an arteriovenous fistula" The invention relates to a control unit (30) for determining blood vessel pressure (a, v, f ), in particular in an arteriovenous fistula (f), which is in fluid connection with at least one section (28, 41) of an arterial line system (39), in particular an extracorporeal blood circulation (ii), at least one generating pressure device (3, 8, 19, 24, 26) to be assigned to the arterial line system (39), which is suitable for acting on the device section (28, 41), and the unit pressure control (30) being configured to perform the following steps: a) making sure that none of the at least one generating pressure device (3, 8, 19, 24, 26) acts on the section ( 28, 41); b) interrupting the fluid connection of the section (28, 41) with the blood vessel (a, v, f) by a trigger interruption means (11, 29); c) adjusting the pressure in section (28, 41) to a predetermined ideal value, in particular at ambient pressure, with the aid of a pressure sensor (13, 14) in section (28, 41); d) restoring the fluid connection of the section (28, 41) with the blood vessel (a, v, f), triggering the interruption means (11, 29); and e) measuring a resultant pressure in section (28, 41) with the aid of the pressure sensor (13,14).resumo “unidade de controle e método para determinar a pressão em um vaso sanguíneo, em particular em uma fístula arteriovenosa” a invenção refere-se a uma unidade de controle (30) para a determinação da pressão num vaso sanguíneo (a, v, f), em particular em uma fístula arteriovenosa (f), que está em ligação de fluidos com pelo menos uma secção (28, 41) de um sistema de linha arterial (39), em especial, uma circulação de sangue extracorporal (ii), pelo menos um dispositivo de pressão de geração (3, 8, 19, 24, 26) a ser atribuído ao sistema de linha arterial (39), este sendo adequado para atuar sobre a secção (28, 41) do dispositivo, e a unidade de controle (3
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