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    • 2. 发明授权
    • Plasma separation filter
    • 等离子体分离过滤器
    • US06241886B1
    • 2001-06-05
    • US08665025
    • 1996-06-07
    • Tomohiro KitagawaHidehiko SakuraiTakafumi HayashiMakoto Ohno
    • Tomohiro KitagawaHidehiko SakuraiTakafumi HayashiMakoto Ohno
    • B01D2901
    • B01D39/083B01D2239/0421B01D2239/0478B01D2239/065B01D2239/1233B01D2239/1291G01N33/491
    • The present invention provides a plasma separation filter capable of easily, speedily and safely separating plasma from a small quantity of blood without damaging blood cell components in the blood. The plasma retains the same protein concentration as in the blood. The present invention also provides a method using such a filter and an apparatus comprising such a filter. The filter of the present invention comprises a micro fiber medium formed of micro fibers with an average hydraulic radius of 0.5 &mgr;m to 3.0 &mgr;m. Such a micro fiber medium is placed in a container having an inlet and an outlet so that a ratio (L/D) of a blood flow passage length (L) to a blood flow passage diameter (D) is 0.15 to 6. The present invention provides such a filter, a plasma separation method using the filter, and a plasma separation apparatus comprising the filter. The present invention can significantly contribute to promote the automation and enhance speediness and safety in clinical tests.
    • 本发明提供一种血浆分离过滤器,其能够容易地,快速且安全地将血浆从少量血液分离而不损害血液中的血细胞成分。 血浆保持与血液中相同的蛋白质浓度。 本发明还提供了一种使用这种过滤器的方法和包括这种过滤器的装置。 本发明的过滤器包括由平均水力半径为0.5μm至3.0μm的微纤维形成的微纤维介质。 这样的微纤维介质被放置在具有入口和出口的容器中,使得血流通道长度(L)与血流通道直径(D)的比(L / D)为0.15至6。 本发明提供了这种过滤器,使用该过滤器的等离子体分离方法,以及包括该过滤器的等离子体分离装置。 本发明可显着促进临床试验中的自动化,提高快速性和安全性。
    • 3. 发明申请
    • BLOOD PURIFIER
    • 血液净化器
    • US20090272686A1
    • 2009-11-05
    • US11910627
    • 2006-04-03
    • Kimihiro MabuchiHideyuki YokotaKatsuaki KuzeNoriko MondenNoriaki KatoMakoto OhnoMitsuru Suzuki
    • Kimihiro MabuchiHideyuki YokotaKatsuaki KuzeNoriko MondenNoriaki KatoMakoto OhnoMitsuru Suzuki
    • B01D69/08
    • B01D69/02A61M1/16A61M2209/06B01D67/0011B01D67/009B01D69/08B01D71/44B01D71/68B01D2325/20B01D2325/28C02F1/44C02F2103/026
    • [Purpose] To provide a blood purifier which has high levels of blood compatibility, performance-retaining property when in contact with blood, and safety, and which shows an excellent water permeability-exhibiting rate after a priming treatment and has high reliability in long-term storage.[Solution] A blood purifier assembled using a polyvinyl pyrrolidone-containing polysulfone-based permselective hollow fiber membrane bundle, characterized in that the amount of polyvinyl pyrrolidone which elutes from the hollow fiber membrane bundle is 10 ppm or less, the amounts of hydrogen peroxide which elute from extracts from all the sites of the hollow fiber membrane bundle are 5 ppm or less, when the hollow fiber membrane bundle is divided into 10 portions in the lengthwise direction to test the sites of all the 10 portions according to the method regulated in the Approval Standard for Dialysis-Type Artificial Kidney Apparatus, and the water permeability of the blood purifier found at a point of time when 10 minutes has passed since the priming treatment of the blood purifier is 90% or more of the water permeability of the same found at a point of time when 24 hours has passed since the priming treatment thereof.
    • [目的]提供一种具有高血液相容性,与血液接触时的性能保持性和安全性的血液净化器,并且在预处理后显示出优异的透水性,并且在长期使用中具有高可靠性, 长期存储。 [解决方案]使用含聚乙烯吡咯烷酮的聚砜系渗透性中空纤维膜束组装的血液净化器,其特征在于,从中空纤维膜束洗出的聚乙烯吡咯烷酮的量为10ppm以下,过氧化氢的量 从中空纤维膜束的所有位置的提取物中洗脱出的浓度为5ppm以下,将中空纤维膜束沿长度方向分割成10份,按照本发明的方法 透析型人造肾器的认可标准和自血液净化器起动处理10分钟后发现的血液净化器的透水性为同一发现的透水性的90%以上 在自启动处理24小时后的时间点。
    • 10. 发明申请
    • Magnetic disk drive with load/unload mechanism
    • 带负载/卸载机构的磁盘驱动器
    • US20070008653A1
    • 2007-01-11
    • US11479321
    • 2006-06-30
    • Makoto OhnoShin NagahiroAtsushi KatsutaGentarou Nakamura
    • Makoto OhnoShin NagahiroAtsushi KatsutaGentarou Nakamura
    • G11B5/54
    • G11B5/54
    • The conventional ramp mechanism constituting a load/unload mechanism for a magnetic disk is disadvantageous for increasing a storage capacity since an outer peripheral edge of the disk is not used as a data area. In one embodiment of the invention, a disk drive has a solenoid and spring for turning a ramp mechanism about a rotating shaft. When the drive operates, since the ramp mechanism moves out from the magnetic disk by the tensile force of the solenoid, the outer peripheral edge of a magnetic head that has formerly been unusable can be used as a data read/write region, without the magnetic head interfering with the fins of the ramp mechanism. During a non-operating state of the drive and in case of a power interruption, the tensile force of the spring returns the ramp mechanism to a position at which the magnetic head can be unloaded. This construction allows the storage capacity of the drive to be easily increased without sacrificing the shock resistance of the ramp mechanism.
    • 构成用于磁盘的加载/卸载机构的常规斜坡机构不利于增加存储容量,因为盘的外围边缘不用作数据区域。 在本发明的一个实施例中,盘驱动器具有螺线管和弹簧,用于围绕旋转轴转动斜坡机构。 当驱动器操作时,由于斜坡机构由螺线管的拉力从磁盘移出,所以先前不可用的磁头的外周边缘可以用作数据读/写区域,而不用磁 头部干涉斜坡机构的翅片。 在驱动器的非操作状态下,并且在断电的情况下,弹簧的张力将斜坡机构返回到可以卸载磁头的位置。 这种结构允许容易地增加驱动器的存储容量,而不牺牲斜坡机构的抗冲击性。