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    • 2. 发明申请
    • Method and Apparatus of Sterilization Using Monochromatic UV Radiation Source
    • 使用单色紫外线辐射源灭菌的方法和装置
    • US20110085937A1
    • 2011-04-14
    • US12971486
    • 2010-12-17
    • Susan K. Brown-SkrobotJames A. EbelJohn B. EnnsGregory A. HillAllan W. Kimble
    • Susan K. Brown-SkrobotJames A. EbelJohn B. EnnsGregory A. HillAllan W. Kimble
    • A61L2/10
    • A61L12/063A61L2/10B65B25/008
    • This invention provides a process of sterilizing a medical device, and preferably the contents of a sealed container which comprises said medical device, comprising the step of exposing said medical device to monochromatic ultraviolet radiation whereby the Dvalue of Bacillus stearothermophilus (ATCC 7953) is at least 23.7 mJ/cm2 monochromatic ultraviolet radiation at 257 nm to the spore. Further, this invention provides a process of sterilizing a medical device comprising the step of subjecting said medical device to monochromatic ultraviolet radiation wherein the minimum total energy density of said monochromatic ultraviolet radiation at 257 nm which reaches the microorganisms present on said medical device is at least 284 mJ/cm2.This invention further provides an apparatus for delivering UV radiation to a medical device for sterilization comprising a laser and a scanner for the laser such that at least 284 mJ/cm2 at 257 nm is applied to a treatment area for said medical device. This invention provides a process and apparatus in which sterilization can be achieved in less than 20 seconds, preferably less than 15 seconds, more preferably in less than 5 seconds. The process and apparatus are efficient and continuous.
    • 本发明提供了一种对医疗装置进行灭菌的方法,优选包括所述医疗装置的密封容器的内容物,其包括将所述医疗装置暴露于单色紫外线辐射的步骤,由此使嗜热脂肪芽孢杆菌(ATCC 7953)的D值至少为 在257nm处的23.7mJ / cm 2单色紫外线辐射对孢子。 此外,本发明提供一种消毒医疗装置的方法,包括以下步骤:对所述医疗装置进行单色紫外线辐射,其中到达所述医疗装置上存在的微生物的257nm处的所述单色紫外线辐射的最小总能量密度至少为 284mJ / cm 2。 本发明还提供一种用于将UV辐射递送到用于灭菌的医疗装置的装置,包括用于激光的激光器和扫描仪,使得在257nm处的至少284mJ / cm 2施加到所述医疗装置的治疗区域。 本发明提供一种方法和装置,其中可以在少于20秒,优选小于15秒,更优选在少于5秒内实现灭菌。 该方法和设备是有效和连续的。
    • 10. 发明授权
    • Ophthalmic lens inspection method and apparatus
    • 眼科镜检查方法及装置
    • US5717781A
    • 1998-02-10
    • US598068
    • 1996-02-07
    • James A. EbelPeter Sites
    • James A. EbelPeter Sites
    • G01M11/00G01M11/02G02C7/04G06K9/00
    • G01M11/0278G01M11/025
    • Disclosed is an ophthalmic lens inspection method and apparatus comprising a camera to capture an image of an ophthalmic lens which has been illuminated by a light source. Location and intensity at each camera pixel is converted to an electrical quantity which is then transferred and stored in a memory. A computer containing instructions for comparing the intensity and location values of the pixels starts near the center of the receptor field and continues toward the edge of the field until an intensity deviation is encountered. By evaluating the pixels containing intensity variation, an outline of the lens edge is attained. An annulus is generated enclosing the actual lens edge. All the pixels are changed from an absolute intensity value to a gradient value, represented by two transition edges. Feature extraction is performed to locate defective pixels and place them into groups. Once the groups have been determined each is given a score based on the number, type and severity of the defective pixels placed into that group. From that, a weighted score can be given to the entire lens and the lens either passes or fails.
    • 公开了一种眼科镜检查方法和装置,其包括用于捕获由光源照射的眼科镜片的图像的照相机。 将每个相机像素处的位置和强度转换成电量,然后传送并存储在存储器中。 包含用于比较像素的强度和位置值的指令的计算机在接收器场的中心附近开始,并且继续朝向场的边缘,直到遇到强度偏差。 通过评估包含强度变化的像素,获得透镜边缘的轮廓。 产生包围实际透镜边缘的环带。 所有像素从绝对强度值改变为由两个过渡边缘表示的梯度值。 执行特征提取以定位有缺陷的像素并将它们分组。 一旦确定了组,就可以根据放置在该组中的缺陷像素的数量,类型和严重性给出分数。 从此,可以对整个镜头给予加权分数,并且镜头通过或失败。