Intercutaneous implant device
    2.
    发明授权
    Intercutaneous implant device 失效
    经皮植入装置

    公开(公告)号:US6017355A

    公开(公告)日:2000-01-25

    申请号:US103919

    申请日:1998-06-24

    摘要: Intercutaneous implant devices useful in intraluminal and extraluminal procedures for externalization of vessels are provided which have a hollow cylinder with an upper and lower end and an interior and exterior surface, said hollow cylinder having a central aperture which is greater in diameter than the exterior expanse of the access site and a length which provides for adequate annular separation of the externalized vessel at the exterior and interior surface of the implant to ensure adequate blood supply to the vessel; a flange extending from the upper end of the hollow cylinder which provides a platform onto which is attached a termination device; and a plane contacting surface extending from the lower end of the hollow cylinder which provides a means for fixation of the implant to the patient.

    摘要翻译: 提供了可用于腔内和外腔手术用于血管外化的经皮植入装置,其具有具有上端和下端以及内部和外部表面的中空圆柱体,所述中空圆柱体具有直径大于外部宽度的中心孔 进入位置和长度,其提供外植体在植入物的外表面和内表面处的足够的环形分离,以确保足够的血液供应给血管; 从中空圆柱体的上端延伸的凸缘,其提供平台,所述平台附接有终端装置; 以及从中空圆柱体的下端延伸的平面接触表面,其提供用于将植入物固定到患者的装置。

    Method of producing metallic magnesium, magnesium oxide or a refractory
material
    3.
    发明授权
    Method of producing metallic magnesium, magnesium oxide or a refractory material 失效
    制备金属镁,氧化镁或耐火材料的方法

    公开(公告)号:US5803947A

    公开(公告)日:1998-09-08

    申请号:US436213

    申请日:1995-07-13

    摘要: Metallic magnesium and pure magnesium oxide are produced by carbothermal reduction of starting materials such as magnesium oxide containing minor amounts of oxides of Fe, Si, Ca and Al, and/or magnesium silicate minerals, such as olivine, at subatmospheric pressure. Metallic magnesium is evaporated from a reduction zone and pure metallic magnesium and pure magnesium oxide are precipitated in a second condensation zone. Si is partly evaporated as SiO which is precipitated in a first condensation zone upstream the second condensation zone, partly converted to SiC and an alloy of Si and Fe in the reaction mixture. The starting materials may also be processed by a method wherein their magnesium component is converted to magnesium oxide in the reaction mixture, while the remaining components are converted to SiC and an alloy of Si and Fe. Au and valuable siderophilic elements may be recovered by leaching the alloy of Si and Fe.

    摘要翻译: PCT No.PCT / DK92 / 00339 Sec。 371日期1995年7月13日 102(e)日期1995年7月13日PCT 1992年11月16日PCT公布。 公开号WO94 / 11539 日期1994年5月26日金属镁和纯氧化镁是通过在低于大气压的压力下,通过碳原子材料如含有少量Fe,Si,Ca和Al的氧化镁和/或硅酸镁矿物(如橄榄石) 。 金属镁从还原区蒸发,纯金属镁和纯氧化镁在第二冷凝区沉淀。 Si部分蒸发为SiO,其在第二冷凝区上游的第一冷凝区沉淀,部分转化为SiC,反应混合物中Si和Fe的合金。 起始材料也可以通过其中其组分在反应混合物中转化为氧化镁的方法进行处理,而其余组分转化为SiC和Si与Fe的合金。 可以通过浸出Si和Fe的合金来回收Au和有价值的二元醇元素。