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    • 45. 发明申请
    • DIFFRACTION GRATING BASED INTERFEROMETRIC SYSTEMS AND METHODS
    • 基于差分灰度的干涉系统和方法
    • US20090009771A1
    • 2009-01-08
    • US12210967
    • 2008-09-15
    • Isaac OstrovskyMark D. ModellRobert J. Crowley
    • Isaac OstrovskyMark D. ModellRobert J. Crowley
    • G01B9/02
    • G01B9/02007G01B9/02002G01B9/02029G01B9/02032G01B9/02044G01B9/02091G01B2290/45G01B2290/70G01N21/4795
    • Diffraction grating based fiber optic interferometric systems for use in optical coherence tomography, wherein sample and reference light beams are formed by a first beam splitter and the sample light beam received from a sample and a reference light beam are combined on a second beam splitter. In one embodiment, the first beam splitter is an approximately 50/50 beam splitter, and the second beam splitter is a non 50/50 beam splitter. More than half of the energy of the sample light beam is directed into the combined beam and less than half of the energy of the reference light beam are directed into the combined beam by the second beam splitter. In another embodiment, the first beam splitter is a non 50/50 beam splitter and the second beam splitter is an approximately 50/50 beam splitter. An optical circulator is provided to enable the sample light beam to bypass the first beam splitter after interaction with a sample. Two combined beams are formed by the second beam splitter for detection by two respective detectors. More than half of the energy of the light source provided to the first beam splitter is directed into the sample light beam and less than half of the energy is directed into the reference light beam. The energy distribution between the sample and reference light beams can be controlled by selection of the characteristics of the beam splitters.
    • 用于光学相干断层摄影的基于衍射光栅的光纤干涉系统,其中采样和参考光束由第一分束器形成,并且从样本和参考光束接收的样本光束被组合在第二分束器上。 在一个实施例中,第一分束器是大约50/50分束器,并且第二分束器是非50/50分束器。 样品光束的一半以上的能量被引导到组合光束中,并且参考光束的能量的不到一半被第二分束器引导到组合光束中。 在另一个实施例中,第一分束器是非50/50分束器,第二分束器是大约50/50分束器。 提供光环行器以使得样品光束能够在与样品相互作用之后绕过第一分束器。 两个组合光束由第二分束器形成,用于由两个相应的检测器检测。 提供给第一分束器的光源的能量的一半以上被引导到样本光束中,并且少于一半的能量被引导到参考光束中。 可以通过选择分束器的特性来控制样品和参考光束之间的能量分布。
    • 46. 发明申请
    • Device and method for shielding the urethra and bladder
    • 用于屏蔽尿道和膀胱的装置和方法
    • US20070113858A1
    • 2007-05-24
    • US11284746
    • 2005-11-22
    • Isaac Ostrovsky
    • Isaac Ostrovsky
    • A61F6/06A61F5/37A61F13/00
    • A61B90/04A61B2090/0436
    • A device for managing heating energy from a probe comprises a sleeve including a lumen sized to receive the probe therein, the sleeve defining a first window which, when the sleeve is in a desired position, faces target tissue to which the probe is to deliver energy and a shield element protecting non-target tissue from energy emanating from the surgical probe, the shield element being formed of one of a material reflecting energy delivered by the probe and a material absorbing energy delivered by the probe in combination with a positioning element which, when the sleeve is in the desired position, contacts an anatomical structure to position the sleeve relative to the target tissue.
    • 用于管理来自探头的加热能量的装置包括套筒,其包括尺寸适于在其中容纳探针的内腔,套筒限定第一窗口,当套筒处于所需位置时,该窗口面向探针要向其传递能量的目标组织 以及屏蔽元件,其保护非目标组织免受来自手术探针的能量的影响,所述屏蔽元件由反射由探针传递的能量的材料中的一种形成,以及吸收由探针传递的能量的材料与定位元件组合, 当套筒处于所需位置时,接触解剖结构以相对于目标组织定位套筒。
    • 50. 发明授权
    • Aerogel backed ultrasound transducer
    • 气凝胶支持超声波传感器
    • US06475151B2
    • 2002-11-05
    • US09835145
    • 2001-04-13
    • James D. KogerIsaac Ostrovsky
    • James D. KogerIsaac Ostrovsky
    • A61B814
    • B06B1/0674
    • An ultrasound transducer having an acoustic backing layer made of an aerogel material is disclosed. The ultrasound transducer comprises an acoustic element for transmitting and receiving ultrasound waves. An aerogel acoustic backing layer is bonded to the back side of the acoustic element. A matching layer may be attached to the front side of the acoustic element. The ultrasound transducer may be electrically connected using electrodes directly connected to the acoustic element. Alternatively, the aerogel acoustic backing may be coated with a metalized layer or doped so that it is electrically conductive. Then, the electrodes may be connected directly to the aerogel acoustic backing.
    • 公开了一种具有由气凝胶材料制成的声学背衬层的超声换能器。 超声波换能器包括用于发射和接收超声波的声学元件。 气凝胶背衬层结合到声学元件的背面。 匹配层可以附接到声学元件的前侧。 可以使用直接连接到声学元件的电极来电连接超声换能器。 或者,气凝胶声学背衬可以涂覆有金属化层或掺杂以使其具有导电性。 然后,电极可以直接连接到气凝胶声学背衬。