A61B5/0068

TISSUE COMPONENT NONINVASIVE MEASUREMENT METHOD, APPARATUS AND SYSTEM, AND WEARABLE DEVICE
20230010403 · 2023-01-12 ·

A non-invasive detection method and device, and a wearable apparatus for tissue element are provided. The method includes: acquiring, for a detected site of a detected object, a second light intensity measurement value for each predetermined wavelength of at least one predetermined wavelength at a measurement distance, and/or a second light intensity reference value for each predetermined wavelength of at least one predetermined wavelength at a reference distance, wherein the measurement distance is a source-detection distance corresponding to the first light intensity measurement value, and the reference distance is a source-detection distance corresponding to the first light intensity reference value; and determining a concentration of a tissue element to be detected according to the second light intensity measurement value of each predetermined wavelength and/or the second light intensity reference value for each predetermined wavelength.

SPECTRALLY-ENCODED ENDOSCOPY TECHNIQUES, APPARATUS AND METHODS

Exemplary apparatus for method for forming at least one spectral encoding endoscopy configuration. For example, it is possible to modify a spacer configuration and an lens optics configuration to have respective predetermined lengths, and also to modify a dispersive optics configuration to have a further predetermined length. Further, the modified spacer and modified lens optics configurations can be attached to one another to form a combined spacer-lens optics configuration. The modified dispersive optics configuration can be attached to a substrate to form to form a grating substrate configuration. Additionally, the combined spacer-lens optics configuration can be connected to an optical fiber, and the modified attached dispersed optics configuration can be connected to the modified attached lens optics configuration to form the spectral encoding endoscopy configuration(s) which can extends along a particular axis. The dispersive optics configuration can be modified to be at a predetermined angle with respect to the particular axis.

WAVEFRONT CONTROL APPARATUS, WAVEFRONT CONTROL METHOD, INFORMATION ACQUIRING APPARATUS, AND STORAGE MEDIUM
20180010961 · 2018-01-11 ·

A wavefront control apparatus includes a detector configured to detect a signal generated from a medium onto which light is irradiated, and a controller configured to control a wavefront of the light based on an output of the detector. The controller performs first processing for forming a first wavefront of the light based on the signal generated from a first measurement position in the medium, and second processing for forming a second wavefront of the light based on the signal generated from a second measurement position different from the first measurement position in the medium onto which the light having the first wavefront is irradiated.

Methods for monitoring physiological status of a body organ
11519902 · 2022-12-06 · ·

The present invention provides method for monitoring physiological status of an organ in a subject by monitoring morphological changes over time in transplanted tissue on an eye of the subject.

GDOT: GATED DIFFUSE OPTICAL TOMOGRAPHY

A system for imaging a target embedded in a scattering media includes: one or more light sources that are pulsed lights at one or more wavelengths in a range of visible to near-infrared; a detector, including a photodetector array with a time-gating function, configured to collect a scattered light after a gate start time; and a processor configured to determine an image of the target based on the scattered light.

Intraoral scanner with moveable opto-mechanical module
11712164 · 2023-08-01 · ·

An intraoral scanner comprises a light source, a moveable opto-mechanical module, an axial actuator, and an image sensor. The light source is configured to generate light that is to be output onto an object external to the intraoral scanner. The moveable opto-mechanical module comprises integrated projection/imaging optics and an exit pupil, the projection/imaging optics having an optical axis, wherein the projection/imaging optics are entirely integrated into the moveable opto-mechanical module. The axial actuator is coupled to the projection/imaging optics and configured to move the moveable opto-mechanical module comprising an entirety of the projection/imaging optics in the optical axis to achieve a plurality of focus settings. The image sensor is configured to receive reflected light that has been reflected off of the object external to the intraoral scanner for the plurality of focus settings.

Dermatological Compositions and Methods of Treatment against Cutaneous T-Cell Lymphoma
20230024050 · 2023-01-26 ·

A method of treating CTCL comprising applying a combination of an effective amount of hypericin together with a form of visible light photodynamic therapy. Preferably, the effective amount of hypericin is an ointment comprising less than 1% hypericin. More preferably, the form of photodynamic therapy comprises an administration of escalating doses of visible light. Optionally, the escalating doses of visible light starts at about 5 J/cm.sup.2 and increases to a maximum dose of about 12 J/cm.sup.2.

Sterile sheath for confocal endomicroscopy scanner probe

A sterile sheath and methods for enclosing a confocal endomicroscopy (CEM) scanner probe with the sterile sheath are provided. The scanner probe includes a probe shaft, a probe tip, a probe body, and a probe umbilical. The sterile sheath for enclosing the CEM scanner probe includes a sheath tube configured to receive the probe shaft and has a distal tube end, a proximal tube end, a sheath tip mounted at the distal tube end of the sheath tube, and a sheath socket configured to receive the probe body. The sheath socket has a distal socket end and a proximal socket end. The proximal tube end of the sheath tube is fixed to the sheath socket at the distal socket end. The sterile sheath further includes a sheath lock ring and a sheath drape mounted on the sheath socket at the proximal socket end with the sheath lock ring.

METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE
20230224446 · 2023-07-13 · ·

A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided.

SYSTEMS, METHODS, AND MEDIA FOR SELECTIVELY PRESENTING IMAGES CAPTURED BY CONFOCAL LASER ENDOMICROSCOPY

In accordance with some embodiments of the disclosed subject matter, systems, methods, and media for selectively presenting images captured by confocal laser endomicroscopy (CLE) are provided. In some embodiments, a method comprises: receiving images captured by a CLE device during brain surgery; providing the images to a convolution neural network (CNN) trained using at least a plurality of images of brain tissue captured by a CLE device and labeled diagnostic or non-diagnostic; receiving an indication, from the CNN, likelihoods that the images are diagnostic images; determining, based on the likelihoods, which of the images are diagnostic images; and in response to determining that an image is a diagnostic image, causing the image to be presented during the brain surgery.