1. Milen Shishkov

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    1. Mentioned In 30 Articles

    2. Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions

      Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions
      Exemplary systems, devices, methods, apparatus and computer-accessible media for providing and/or utilizing optical frequency domain imaging (OFDI) and fluorescence of structures and, e.g., multimodality imaging using OFDI techniques and fluorescence imaging techniques are described. For example, an arrangement can provide at least one electro-magnetic radiation to an anatomical structure. Such exemplary arrangement can include at least one optical core and at least one cladding at least partially surrounding ...
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    3. Spectrally encoded miniature endoscopic imaging probe

      Spectrally encoded miniature endoscopic imaging probe
      A spectrally encoded endoscopic probe having high resolution and small diameter comprising at least one flexible optical fiber; an energy source; a grating through which said energy is transmitted such that the energy spectrum is dispersed; a lens for focusing the dispersed energy spectrum onto a sample such that the impingement spot for each wavelength is a separate position on the sample, the wavelength spectrum defining a wavelength encoded axis ...
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    4. Towards in vivo laser coagulation and concurrent optical coherence tomography through double-clad fiber devices

      Towards in vivo laser coagulation and concurrent optical coherence tomography through double-clad fiber devices
      There is a strong clinical need for an optical coherence tomography (OCT) system capable of delivering concurrent coagulation light enabling image-guided dynamic laser marking for targeted collection of biopsies, as opposed to a random sampling, to reduce false-negative findings. Here, we present a system based on double-clad fiber (DCF) capable of delivering pulsed laser light through the inner cladding while performing OCT through the core. A previously clinically validated commercial ...
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    5. Method and apparatus for imaging of vessel segments

      Method and apparatus for imaging of vessel segments
      An apparatus, method and software arrangement for imaging a surface of a structure that is in contact with an opaque fluid is provided. The apparatus includes an article of manufacture (e.g., a housing), a fluid delivery arrangement and an imaging arrangement. The housing includes an aperture formed in the article of manufacture. The fluid delivery arrangement is configured to deliver a volume of substantially transparent fluid to the aperture ...
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    6. Apparatus for applying a plurality of electro-magnetic radiations to a sample

      Apparatus for applying a plurality of electro-magnetic radiations to a sample
      An apparatus for applying electro-magnetic radiations to a sample is provided. The apparatus can include an arrangement which has a specific portion with a plurality of channels. One channel(s) can facilitate a first radiation to be forwarded to the sample within an anatomical structure, and another channel(s) can facilitate a second radiation to be forwarded to the sample. The first radiation can have a first wavelength band, and ...
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    7. Multi-laboratory inter-institute reproducibility study of IVOCT and IVUS assessments using published consensus document definitions

      Multi-laboratory inter-institute reproducibility study of IVOCT and IVUS assessments using published consensus document definitions
      Aims The aim of this study was to investigate the reproducibility of intravascular optical coherence tomography (IVOCT) assessments, including a comparison to intravascular ultrasound (IVUS). Intra-observer and inter-observer variabilities of IVOCT have been previously described, whereas inter-institute reliability in multiple laboratories has never been systematically studied. Methods and results In 2 independent laboratories with intravascular imaging expertise, 100 randomized matched data sets of IVOCT and IVUS images were analysed by ...
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    8. Methods and systems for optical imaging or epithelial luminal organs by beam scanning thereof

      Methods and systems for optical imaging or epithelial luminal organs by beam scanning thereof
      Arrangements, apparatus, systems and systems are provided for obtaining data for at least one portion within at least one luminal or hollow sample. The arrangement, system or apparatus can be (insertable via at least one of a mouth or a nose of a patient. For example, a first optical arrangement can be configured to transceive at least one electromagnetic (e.g., visible) radiation to and from the portion. A second ...
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    9. System, method and computer-accessible medium for tracking vessel motion during three-dimensional coronary artery microscopy

      System, method and computer-accessible medium for tracking vessel motion during three-dimensional coronary artery microscopy
      Exemplary embodiments of apparatus, method and computer accessible medium can be provided which can facilitate a determination of at least one characteristic of a structure. For example, it is possible to use at least one first arrangement which can be structured to provide at least one first transmitted radiation along a first axis and at least one second transmitted radiation along a second axis. The first and second transmitted radiations ...
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    10. Feature Of The Week 9/23/12: MGH Researchers Demonstrate Flexible Transbronchial OCT Imaging Needles for Biopsy Guidance

      Feature Of The Week 9/23/12: MGH Researchers Demonstrate Flexible Transbronchial OCT Imaging Needles for Biopsy Guidance
      Optical coherence tomography (OCT) systems routinely use single-mode optical fibers to transfer light to and from biological samples. The tiny cross section, low-cost, and flexibility of single-mode optical fibers have proven to be a powerful attribute that allows for a wide variety optical coherence tomography (OCT) probes to be constructed including ultra small catheters, guidewires, and endoscope to get light to and from hard to reach places in the human ...
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    11. Flexible transbronchial optical frequency domain imaging smart needle for biopsy guidance

      Flexible transbronchial optical frequency domain imaging smart needle for biopsy guidance
      Transbronchial needle aspiration (TBNA) is a procedure routinely performed to diagnose peripheral pulmonary lesions. However, TBNA is associated with a low diagnostic yield due to inappropriate needle placement. We have developed a flexible transbronchial optical frequency domain imaging (TB-OFDI) catheter that functions as a smart needle to confirm the needle placement within the target lesion prior to biopsy. The TB-OFDI smart needle consists of a flexible and removable OFDI catheter ...
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    12. Intra-arterial catheter for simultaneous microstructural and molecular imaging in vivo

      Intra-arterial catheter for simultaneous microstructural and molecular imaging in vivo
      Advancing understanding of human coronary artery disease requires new methods that can be used in patients for studying atherosclerotic plaque microstructure in relation to the molecular mechanisms that underlie its initiation, progression and clinical complications, including myocardial infarction and sudden cardiac death. Here we report a dual-modality intra-arterial catheter for simultaneous microstructural and molecular imaging in vivo using a combination of optical frequency domain imaging (OFDI) and near-infrared fluorescence (NIRF ...
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    13. System and method for identifying tissue using low-coherence interferometry

      System and method for identifying tissue using low-coherence interferometry
      An apparatus for needle biopsy with real time tissue differentiation using one dimensional interferometric ranging imaging, comprising a biopsy device having a barrel and a needle, an optical fiber inserted in the needle, and a fiber optic imaging system connected to the optical fiber. The imaging system obtains images and compares the optical properties and patterns to a database of normalized tissue sample images to determine different tissue types. The ...
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  2. About Milen Shishkov

    Milen Shishkov

    Milen Shishkov is a senior research scientist at Wellman Laboratory at the Massachusetts General Hosptial.