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    • 2. 发明申请
    • MEDICAL HEAT EXCHANGER, MANUFACTORING THEREOF AND ARTIFICIAL LUNG DEVICE
    • 医疗换热器及其人造血管装置
    • US20120063953A1
    • 2012-03-15
    • US13321037
    • 2010-03-05
    • Hideki IzumidaTomokazu Niitsuma
    • Hideki IzumidaTomokazu Niitsuma
    • A61M1/36F28F9/02
    • A61M1/1698A61M2205/366F28D7/0041F28D7/0091F28D7/1661F28D2021/005F28F9/0229F28F9/22F28F21/081F28F21/083F28F2265/16
    • A thin tube bundle (2) including a plurality of heat transfer thin tubes (1) is sealed by seal members (3a-3c) to form a blood channel (5) that crosses the heat transfer thin tubes. Heat transfer thin tube headers (6, 7) having an inlet port and an outlet port (6a, 7a) of heat medium liquid form flow chambers that contain ends of the thin tube bundle. The thin tube bundle is divided in a direction of the blood channel and forms a stack structure of thin tube bundle units (12a-12c). The flow chambers are partitioned into a plurality of flow compartments (13a, 13b, 14a, 14b) by partition walls (6b, 7b) to form a channel that allows heat medium liquid to pass through the respective thin tube bundle units successively via the flow compartments. An end of one of the thin tube bundle units on both sides of a border corresponding to the partition wall protrudes further than an end of the other thin tube bundle unit, and a side face of the partition wall contacts an side face of the protruding portion. Thus, the flow velocity of the heat medium liquid flowing through the heat transfer thin tubes is increased, and hence, heat exchange efficiency is enhanced while suppressing the increase in volume of the blood channel.
    • 包括多个传热细管(1)的细管束(2)由密封构件(3a-3c)密封以形成与传热细管交叉的血液通道(5)。 具有热介质液体的入口和出口(6a,7a)的传热细管集管(6,7)形成流化室,其包含细管束的端部。 细管束在血液通道的方向上分开,形成细管束单元(12a-12c)的堆叠结构。 流动室通过分隔壁(6b,7b)分隔成多个流动隔室(13a,13b,14a,14b),以形成允许热介质液体经由流体依次穿过各个细管束单元的通道 隔间 与分隔壁对应的边界两侧的细管束单元中的一个的一端比另一细管束单元的端部进一步突出,分隔壁的侧面与突出部的侧面接触 。 因此,流过传热薄管的热介质液体的流速增加,因此在抑制血液通道的体积增加的同时提高热交换效率。
    • 3. 发明授权
    • Medical heat exchanger, manufacturing method thereof and artificial lung device
    • 医疗换热器及其制造方法及人造肺装置
    • US08609022B2
    • 2013-12-17
    • US12864356
    • 2009-01-22
    • Shota NakaoTomokazu NiitsumaHideki Izumida
    • Shota NakaoTomokazu NiitsumaHideki Izumida
    • A61M1/00A61M37/00
    • A61M1/1698A61M1/1629A61M1/369
    • A medical heat exchanger includes a thin tube bundle 2 in which a plurality of heat transfer thin tubes 1 for letting heat medium liquid flow therethrough are arranged and stacked, seal members 3a to 3c sealing the thin tube bundle while allowing both ends of the heat transfer thin tubes to be exposed and forming a blood channel 5 which allows blood to flow therethrough so that the blood comes into contact with each outer surface of the heat transfer thin tubes; a housing 4 containing the seal members and the thin tube bundle and provided with an inlet port 8 and an outlet port 9 of the blood positioned respectively at both ends of the blood channel; and a pair of heat transfer thin tube headers 6, 7 forming flow chambers 14a, 14b, 15a, 15b that respectively surround both ends of the thin tube bundle and having an inlet port 6a and an outlet port 7a of the heat medium liquid. The thin tube bundle is divided into a plurality of thin tube bundle units 12a to 12c, and the heat transfer thin tube headers are configured so that the heat medium liquid passes through the plurality of the thin tube bundle units successively. Heat exchange efficiency is enhanced while the flow speed of the heat medium liquid flowing through the heat transfer thin tubes is increased to suppress the increase in volume of the blood channel.
    • 医疗用热交换器包括细管束2,其中布置并堆叠多个用于使热介质液体流过其的热传递薄管1,密封件3a至3c密封细管束,同时允许热传递的两端 细管暴露并形成允许血液流过其中的血液通道5,使得血液与传热细管的每个外表面接触; 包含密封构件和细管束的壳体4,并且设置有分别位于血液通道两端的血液的入口8和出口9; 以及分别围绕细管束的两端并具有热介质液体的入口6a和出口7a的流动室14a,14b,15a,15b的一对传热细管集管6,7。 细管束被分成多个细管束单元12a至12c,并且传热细管集管被构造成使得热介质液体依次通过多个细管束单元。 增加热交换效率,同时流过传热细管的热介质流的流速增加,以抑制血液通道的体积增加。
    • 4. 发明申请
    • MEDICAL HEAT EXCHANGER, MANUFACTURING METHOD THEREOF AND ARTIFICIAL LUNG DEVICE
    • 医疗换热器及其制造方法及人工肺设备
    • US20100290947A1
    • 2010-11-18
    • US12864356
    • 2009-01-22
    • Shota NakaoTomokazu NiitsumaHideki Izumida
    • Shota NakaoTomokazu NiitsumaHideki Izumida
    • A61M1/36
    • A61M1/1698A61M1/1629A61M1/369
    • A medical heat exchanger includes a thin tube bundle 2 in which a plurality of heat transfer thin tubes 1 for letting heat medium liquid flow therethrough are arranged and stacked, seal members 3a to 3c sealing the thin tube bundle while allowing both ends of the heat transfer thin tubes to be exposed and forming a blood channel 5 which allows blood to flow therethrough so that the blood comes into contact with each outer surface of the heat transfer thin tubes; a housing 4 containing the seal members and the thin tube bundle and provided with an inlet port 8 and an outlet port 9 of the blood positioned respectively at both ends of the blood channel; and a pair of heat transfer thin tube headers 6, 7 forming flow chambers 14a, 14b, 15a, 15b that respectively surround both ends of the thin tube bundle and having an inlet port 6a and an outlet port 7a of the heat medium liquid. The thin tube bundle is divided into a plurality of thin tube bundle units 12a to 12c, and the heat transfer thin tube headers are configured so that the heat medium liquid passes through the plurality of the thin tube bundle units successively. Heat exchange efficiency is enhanced while the flow speed of the heat medium liquid flowing through the heat transfer thin tubes is increased to suppress the increase in volume of the blood channel.
    • 医疗用热交换器包括细管束2,其中布置并堆叠多个用于使热介质液体流过其的热传递薄管1,密封件3a至3c密封细管束,同时允许热传递的两端 细管暴露并形成允许血液流过其中的血液通道5,使得血液与传热细管的每个外表面接触; 包含密封构件和细管束的壳体4,并且设置有分别位于血液通道两端的血液的入口8和出口9; 以及分别围绕细管束的两端并具有热介质液体的入口6a和出口7a的流动室14a,14b,15a,15b的一对传热细管集管6,7。 细管束被分成多个细管束单元12a至12c,并且传热细管集管被构造成使得热介质液体依次通过多个细管束单元。 增加热交换效率,同时流过传热细管的热介质流的流速增加,以抑制血液通道的体积增加。