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    • 7. 发明授权
    • Sealing glasses for titanium and titanium alloys
    • 钛和钛合金密封眼镜
    • US5648302A
    • 1997-07-15
    • US713294
    • 1996-09-13
    • Richard K. BrowHoward L. McCollisterCarol C. PhiferDelbert E. Day
    • Richard K. BrowHoward L. McCollisterCarol C. PhiferDelbert E. Day
    • C03C3/068C03C3/15C03C8/24
    • C03C3/068A61N1/3754C03C3/15C03C8/24
    • Barium lanthanoborate sealing-glass compositions are provided comprising various combinations (in terms of mole-%) of boron oxide (B.sub.2 O.sub.3), barium oxide (BaO), lanthanum oxide (La.sub.2 O.sub.3), and at least one other oxide selected from the group consisting of aluminum oxide (Al.sub.2 O.sub.3), calcium oxide (CaO), lithium oxide (Li.sub.2 O), sodium oxide (Na.sub.2 O), silicon dioxide (SiO.sub.2), or titanium dioxide (TiO.sub.2). These sealing-glass compositions are useful for forming hermetic glass-to-metal seals with titanium and titanium alloys having an improved aqueous durability and favorable sealing characteristics. Examples of the sealing-glass compositions are provided having coefficients of thermal expansion about that of titanium or titanium alloys, and with sealing temperatures less than about 900.degree. C., and generally about 700.degree.-800.degree. C. The barium lanthanoborate sealing-glass compositions are useful for components and devices requiring prolonged exposure to moisture or water, and for implanted biomedical devices (e.g. batteries, pacemakers, defibrillators, pumps).
    • 提供了硼酸钡硼酸盐密封玻璃组合物,其包括氧化硼(B 2 O 3),氧化钡(BaO),氧化镧(La 2 O 3)和选自以下的至少一种其它氧化物的各种组合(以摩尔%计): 氧化铝(Al 2 O 3),氧化钙(CaO),氧化锂(Li 2 O),氧化钠(Na 2 O),二氧化硅(SiO 2)或二氧化钛(TiO 2)。 这些密封玻璃组合物可用于形成具有改善的水性耐久性和良好密封特性的钛和钛合金的密封玻璃 - 金属密封。 提供了密封玻璃组合物的实例,其热膨胀系数约为钛或钛合金的热膨胀系数,密封温度低于约900℃,通常约为700-800℃。钡硼酸钡密封玻璃 组合物可用于需要长时间暴露于水分或水分的部件和装置,以及植入的生物医学装置(如电池,起搏器,除颤器,泵)。
    • 8. 发明授权
    • Composition and method for radiation synovectomy of arthritic joints
    • 关节炎关节放射性滑膜切除术的组成和方法
    • US4889707A
    • 1989-12-26
    • US150154
    • 1988-01-29
    • Delbert E. DayGary J. Ehrhardt
    • Delbert E. DayGary J. Ehrhardt
    • A61K9/16A61K51/12
    • A61K9/1611A61K51/1258A61K2121/00
    • Radioactive microspheres for radiation synovectomy of arithmetic joints in a mammal comprise a biodegradable glass material and a beta radiation emitting radioisotope chemically dissolved in and distributed substantially uniformly throughout the glass material. The biodegradable glass material may be lithium silicate, lithium aluminosilicate, lithium aluminoborate, lithium germanate, lithium aluminogermanate, potassium silicate, potassium aluminosilicate, potassium, aluminoborate, potassium germanate or potassium aluminogermanate and the beta radiation emitting radioisotope may be samarium-153, holmium-166, erbium-169, dysprosium-165, rhenium-186, rhenium-188 or yttrium-90. Methods for preparing such microspheres and for carrying out radiation synovectomy of arthritic joints utilizing such microspheres are also disclosed.
    • 放射性微球用于哺乳动物运算关节的放射性滑膜切除术包括可生物降解的玻璃材料和化学溶解并基本上均匀分布在玻璃材料中的β辐射放射性同位素。 可生物降解的玻璃材料可以是硅酸锂,铝硅酸锂,铝硼酸锂,锗酸锂,铝锗酸钾,硅酸钾,硅铝酸钾,钾,铝硼酸钾,锗酸钾或铝氟酸钾,β辐射放射性同位素可以是钐-153, 166,铒-169,镝-165,铼-188,铼-188或钇-90。 还公开了使用这种微球制备这种微球并进行关节炎关节的放射性滑膜切除术的方法。