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21. 发明申请

US20050078910A1 Surgical wide-angle illuminator 审中-公开
标题翻译：外科广角照明器
公开(公告)号：US20050078910A1
公开(公告)日：2005-04-14
申请号：US10697350
申请日：2003-10-30
申请人： Dyson Hickingbotham
发明人： Dyson Hickingbotham
IPC分类号： F21S2/00 , A61B19/00 , A61F9/007 , F21V8/00 , F21W131/20 , G02B6/26 , A61B18/18 , G02B6/06
CPC分类号： A61F9/007 , A61B3/0008 , A61B2090/306
摘要： A variable-intensity, wide-angle illuminator is disclosed, one embodiment comprising: a light source for providing a light beam; an optical cable, optically coupled to the light source for receiving and transmitting the light beam; a handpiece, operably coupled to the optical cable to receive the light beam; an optical fiber, operably coupled to the handpiece, wherein the optical fiber is optically coupled to the optical cable to receive and transmit the light beam; an optical element, optically coupled to a distal end of the optical fiber, for receiving the light beam and scattering the light beam to illuminate a surgical field, wherein the optical element comprises a hemispherically shaped sapphire; and a cannula, operably coupled to the handpiece, for housing and directing the optical fiber and the optical element. The optical element can be a small-gauge, diffusive sapphire element having a polished circular surface co-incident with the distal end of the cannula and a light refracting hemispherical surface facing the optical fiber. For example, the optical element can be a 19, 20 or 25 gauge optical element. Further, the cannula and the handpiece can be fabricated from biocompatible materials. The optical cable can comprise a first optical connector operably coupled to the light source and a second optical connector operably coupled to the handpiece (to optically couple the optical cable to the optical fiber housed within the handpiece and cannula).
摘要翻译：公开了一种可变强度的广角照明器，一个实施例包括：用于提供光束的光源; 光缆，光学耦合到光源，用于接收和传输光束; 可操作地耦合到光缆以接收光束的手持件; 光纤，其可操作地耦合到所述手持件，其中所述光纤光耦合到所述光缆以接收和传输所述光束; 光学元件，光学耦合到光纤的远端，用于接收光束并散射光束以照射手术区域，其中光学元件包括半球形蓝宝石; 以及可操作地联接到所述手持件的套管，用于容纳和引导所述光纤和所述光学元件。光学元件可以是具有与插管的远端共同入射的抛光圆形表面的小规模漫射蓝宝石元件和面向光纤的光折射半球形表面。例如，光学元件可以是19,20或25号光学元件。此外，插管和手持件可以由生物相容性材料制成。光缆可以包括可操作地耦合到光源的第一光学连接器和可操作地耦合到手持件的第二光学连接器（以将光缆光耦合到容纳在手持件和套管内的光纤）。

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