Abstract:
In one exemplary embodiment of the present invention, method and system can be provided for obtaining information associated with at least one portion of a sample. For example, a temperature change can be caused in the portion of the sample. At least one first electro-magnetic radiation can be forwarded to a section near or in the portion of the sample. A deformation of the section can be identified at a plurality of depths as a function of (i) a phase of at least one second electro- magnetic radiation provided from the section, and/or (ii) a rate of change of the phase and/or an amplitude of the second electro-magnetic radiation. In another exemplary embodiment of the present invention, method and system can be provided for controlling a temperature distribution in a sample. For example, an electro-magnetic radiation can be provided to the section in the sample at a particular wavelength. The temperature distribution can be controlled by modifying the particular wavelength of the electro-magnetic radiation when the electro-magnetic radiation is provided to the section.
Abstract:
An apparatus, method and computer-accessible medium for identifying characteristics of at least a portion of a blood vessel contained within a tissue can be provided. For example, it is possible to utilize a radiation source configured to provide a radiation to the tissue. In addition, a probe can be provided which may be adapted to receive the radiation returned from the tissue; Further, a system may be utilized which can be configured to process data relating to the tissue. The data can indicate whether the blood vessel is in a vicinity of an end portion of the probe.
Abstract:
An apparatus and method according to the present invention can be provided, e.g., for a cell specific laser therapy of atherosclerotic plaques, particularly to systems and methods for targeting endogenous light absorbers present within plaque macrophages and exogenous nanoparticle targeting. In one exemplary embodiment, an electro-magnetic radiation can be forwarded to an anatomical structure. The electro-magnetic radiation may have at least one property configured to (a) modify at least one characteristic of at least one first cell, and (b) minimize any modification of and/or modify at least one characteristic of at least second cell. The first and second cells may be different from one another, the characteristics of the first and second cells can be different from one another, and the first cell and/or the second cell may have at least one macrophage feature, and the characteristic of the at least one first cell and/or the at least one second cell can be temperature. According to still another exemplary embodiment, a location associated with the first cell and the second cell can be determined. For example, the electro-magnetic radiation can be forwarded in a vicinity of the location.
Abstract:
Exemplary systems and processes for generating information associated with at least one portion of a sample are provided. In one exemplary embodiment, at least one electro-magnetic radiation can be received from the at least one portion, whereas the electro-magnetic radiation has a wavenumber that is between approximately 5,000 cm -1 and 600 cm -1 . The information can be generated which includes structural data, molecular data and/or chemical data of the portion. The information can be generated based on (a) at least one phase of the at least one electro-magnetic radiation, and/or (b) at least one refractive index of the at least one portion. According to another exemplary embodiment, the electro-magnetic radiation having a first wavenumber can be transmitted to the portion which has at least two substances, whereas a refractive index of one of the substances at a second wavenumber is approximately the same as a refractive index of another one of the substances at the second wavenumber. The electro-magnetic radiation can be controlled such that the first wavenumber substantially matches the first wavenumber to reduce scattering within the portion.
Abstract:
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 (208) (e.g., a housing), a fluid delivery arrangement and an imaging arrangement (204). The housing includes an aperture (221) formed in the article of manufacture. The fluid delivery arrangement is configured to deliver a volume of substantially transparent fluid to the aperture formed in the housing. The imaging arrangement is configured to image the surface of the structure using an imaging modality after the volume of the transparent fluid is delivered to the aperture, wherein the imaging arrangement and/or the article of manufacture is translated (BY A Pullback device -215) along the surface of the structure while imaging the surface of the structure.
Abstract:
A scanning confocal microscopy system and apparatus, especially useful for endoscopy with a flexible probe which is connected to the end of an optical fiber (9). The probe has a grating (12) and a lens (14) which delivers a beam of multi-spectral light having spectral components which extend in one dimension across a region of an object and which is moved to scan in another dimension. The reflected confocal spectrum is measured to provide an image of the region.
Abstract:
A scanning confocal microscopy system and apparatus, especially useful for endoscopy with a flexible probe which is connected to the end of an optical fiber (9). The probe has a grating (12) and a lens (14) which delivers a beam of multi-spectral light having spectral components which extend in one dimension across a region of an object and which is moved to scan in another dimension. The reflected confocal spectrum is measured to provide an image of the region.
Abstract:
The invention illustrates a catheter (40) with a delivery output fiber (44) and an input fiber (46) and a transmission window (47), in blood (43) within a blood vessel (42). As light exists delivery fiber (44), it passes through the transmission window (47), the blood (43), the surface of the blood wall (42a), the wall (42b) itself, the surface of the lipid pool (45a), and into the lipid pool (45b), of a lipid-rich vulnerable atherosclerotic plaque.
Abstract:
The invention provides methods and apparatus to reference or normalize optical measurements, by removing or accounting for background factors and artifacts, such as motion artifacts, that arise during use of optical catheters.
Abstract:
Exemplary apparatus and method for determining information regarding at least one anatomical structure can be provided. For example, it is possible to forward at least one first optical electro-magnetic radiation to the at least one structure (e.g., using at least one first arrangement), and detect at least one second electro-magnetic radiation provided from the at least one structure which is based on first electro-magnetic radiation(s) (e.g., using and at least one second arrangement). It is also possible to determine at least one characteristic of the structure(s) inside thereof based on the second electro-magnetic radiation (e.g., using and at least one third arrangement). For example, the characteristic(s) can include an identification of the structure(s) upon a placement of an apparatus performing such procedure(s) at, within or near at least one airway portion of the structure(s).