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    • 4. 发明公开
    • SAFETY INSERT FOR EXTRA-CORPOREAL CIRCUITS
    • 安全插入额外的公司电路
    • EP2403556A1
    • 2012-01-11
    • EP10706243.2
    • 2010-03-03
    • Fresenius Medical Care Deutschland GmbH
    • REITER, ReinholdSTABILINI, Paolo
    • A61M1/36
    • A61M1/3639A61M1/3641
    • The present invention relates to a transducer protector (20) designed to be used in an extra-corporeal circuit (22). It comprises a first half-shell (24), a second half-shell (34) and a hydrophobic semi-permeable membrane (38) enclosed between the two half-shells (24) and (34). The first half-shell (24) comprises a first tubular connector (26) in turn comprising a seat (28) having a substantially cylindrical shape and defining an axis X. The second half-shell (34) comprises a second tubular connector (36) designed for connection to a transducer (21). The seat (28) is designed to receive an end (42) of a branch pipe (40) from the extra-corporeal circuit (22). The end (42) defines a front surface substantially in the form of an annulus (44) and can be inserted inside the seat (28) in the axial direction along the axis X. The seat (28) comprises one more abutments (30) designed to form a support for the front surface of the end (42) so as to define a limit stop in the axial direction for the end (42). The at least one abutment (30) defines at least one radially outer cavity (32), so as to define a partial support for the annulus (44) of the front surface of the end (42). The cavity (32) is designed to leave at least one radially outer zone of the annulus (44) without support. The invention also relates to an extra-corporeal circuit comprising a transducer protector.
    • 本发明涉及设计用于体外回路(22)的换能器保护器(20)。 它包括封闭在两个半壳(24)和(34)之间的第一半壳(24),第二半壳(34)和疏水性半渗透膜(38)。 第一半壳体(24)包括第一管状连接器(26),该第一管状连接器又包括具有大致圆柱形形状并限定轴线X的座(28)。第二半壳体(34)包括第二管状连接器 )设计用于连接到换能器(21)。 座(28)被设计成接收来自体外回路(22)的支管(40)的末端(42)。 端部(42)限定基本上呈环形(44)形式的前表面并且可沿轴线X沿轴向方向插入座部(28)内部。座部(28)包括多个抵接部(30) 设计成形成对端部(42)的前表面的支撑,以便为端部(42)限定沿轴向的限位挡块。 所述至少一个支座(30)限定至少一个径向外部空腔(32),以便限定端部(42)的前表面的环形部(44)的部分支撑。 空腔(32)被设计成在没有支撑的情况下留下瓣环(44)的至少一个径向外部区域。 本发明还涉及一种包括换能器保护器的体外电路。