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    • 37. 发明授权
    • Apparatus for selection of tooth color
    • 选择颜色的装置
    • US5114340A
    • 1992-05-19
    • US577555
    • 1990-09-05
    • Rainer Hahn
    • Rainer Hahn
    • A61C19/10
    • A61C19/10
    • An apparatus is provided for the selection of a tooth color for a dental prostheses in which an exact adaptation of the colors or color distribution of a dental prosthesis to a particular structural condition in a patient can be achieved. The apparatus, a platelet color specimen, has at least one lateral edge concavely curved towards a center region of the platelet. The platelet color specimen is on the order of magnitude of only a width of a tooth, and can be placed contiguous with the surface and edge of all exposed portions of a tooth. The platelet color specimen also exhibits only a single color corresponding to enamel, dentin or dental neck which allows for an exact adaptation to a particular patient.
    • 提供了一种用于选择用于牙科假体的牙齿颜色的装置,其中可以实现将假牙的颜色或颜色分布精确地适应于患者中的特定结构状态。 该装置,血小板色样,具有朝向血小板的中心区域凹入弯曲的至少一个侧边缘。 血小板颜色样本仅仅是牙齿的宽度的数量级,并且可以与牙齿的所有暴露部分的表面和边缘相邻放置。 血小板颜色样本也仅显示对应于牙釉质,牙本质或牙颈的单一颜色,其允许精确适应特定患者。
    • 38. 发明授权
    • Chemical oxygen generator
    • 化学氧气发生器
    • US4536370A
    • 1985-08-20
    • US462762
    • 1983-02-01
    • Rainer Hahn
    • Rainer Hahn
    • C01B13/02A62B21/00B01J7/00A62B7/08
    • A62B21/00
    • A chemical oxygen generator includes a candle in which oxygen is present and which is chemically combined and which is ignited by starting means to initiate the generation of the oxygen. This takes several seconds before a substantial quantity of oxygen is provided. Because a user of this oxygen must be supplied with the oxygen for respiration immediately, the invention includes a generator which has a pressure space, preferably above, below and around the oxygen candle which is located in the space and which is filled with compressed oxygen. The generator includes a member which is actuated upon release of the starting means for the oxygen to permit outward flow of the oxygen in the pressure space which is supplied until the oxygen being released from the candle is produced by the ignition of the candle.
    • 化学氧气发生器包括其中存在氧并且化学结合的蜡烛,并且通过启动装置点燃以引发氧的产生。 在提供大量氧气之前需要几秒钟。 因为这个氧气的用户必须立即供给呼吸用的氧气,所以本发明包括一个发生器,该发生器具有压力空间,优选地位于氧气蜡烛的上方,周围,位于空间中,并且充满压缩氧气。 该发生器包括一个部件,该部件在释放氧气启动装置时被致动,以允许供给的压力空间中的氧气向外流动,直到通过蜡烛的点火产生从蜡烛释放的氧气。