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	Vein scanner with user interface
	WOOD, FRED; LUCIANO, VINCENT; GOLDMAN, RON
	2015-06-23
著作权人	ACCUVEIN, INC.
专利号	US9061109
国家	美国
文献子类	授权发明
其他题名	Vein scanner with user interface
英文摘要	A portable vein viewer apparatus may be battery powered and hand-held to reveal patient vasculature information to aid in venipuncture processes. The apparatus comprises a first laser diode emitting infrared light, and a second laser diode emitting only visible wavelengths, wherein vasculature absorbs a portion of the infrared light causing reflection of a contrasted infrared image. A pair of silicon PIN photodiodes, responsive to the contrasted infrared image, causes transmission of a corresponding signal. The signal is processed through circuitry to amplify, sum, and filter the outputted signals, and with the use of an image processing algorithm, the contrasted image is projected onto the patient's skin surface using the second laser diode. Revealed information may comprise vein location, depth, diameter, and degree of certainty of vein locations. Projection of vein images may be a positive or a negative image. Venipuncture needles may be coated to provide visibility in projected images.
公开日期	2015-06-23
申请日期	2013-02-27
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/33000]
专题	半导体激光器专利数据库
作者单位	ACCUVEIN, INC.
推荐引用方式 GB/T 7714	WOOD, FRED,LUCIANO, VINCENT,GOLDMAN, RON. Vein scanner with user interface. US9061109. 2015-06-23.

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