Third, on the design of omni-directional reflector, we designed the stent system by controlling an external parameter.

第三，在全向反射面的设计基础上，设计了外部参数可调的支架系统。

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Compared the external structure of stent system, by analyzing advantages and disadvantages of a traditional stent, we give the designing requirements for stent of controllable external parameters.

对比国内外常用支架系统的外部结构，分析传统支架的优缺点，给出外部参数可调支架的设计要求。

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Also late yesterday, Boston Scientific (BSX) said the U.S. Food and Drug Administration has approved its latest drug-eluting stent, the Promus Element Plus Everolimus-Eluting Platinum Chromium Coronary Stent System.

FORBES: Health Care News: Merck, Boston Scientific

The doctor sits in a lead-lined cockpit, in a comfortable chair, and remotely controls the robotic system as it implants the balloon or stent catheters into the patient.

FORBES: FDA Approves Robotic System To Open Your Arteries