Patent application number | Description | Published |
20090185712 | METHOD FOR REAL-TIME VISUALIZATION OF CARIES CONDITION - A method for displaying live video of a tooth identifies a tooth tissue region in a viewable image frame obtained from a video stream and processes pixel data within the tooth tissue region to identify a suspected caries site. Intensity values for pixels that correspond to the suspected caries site are modified and a highlighted viewable image frame is formed as a combination of the modified intensity values corresponding to the suspected caries site and other pixel values in the viewable image frame. The highlighted viewable image frame is displayed in video form. | 07-23-2009 |
20090220044 | METHOD FOR SERVOING A SOURCE OF X-RAYS OF A DIGITAL RADIOGRAPHY DEVICE - The invention relates to a radiographic device and method of servoing an X-ray source ( | 09-03-2009 |
20090279661 | DENTAL RADIOLOGY APPARATUS AND SIGNAL PROCESSING METHOD USED THEREWITH - A dental radiology apparatus having: an intraoral sensor comprising a detector that includes an active pixel array produced using biCMOS technology and converting a received x-ray into at least one analog electrical output signal; an electronic module encapsulated in a case and which has at least one detector activation device, the module being linked to the sensor by a wire link for the transmission to said sensor of a detector activation signal generated in the module and for the transmission to the module of said at least one analog electrical output signal, the module having analog-digital means for converting said at least one analog electrical output signal into at least one digital output signal; and a remote processing and display unit of said at least one digital output signal which is linked to the electronic module by a wire link intended to ensure the transmission to the unit of said at least one digital output signal. | 11-12-2009 |
20100074402 | Dental radiology apparatus and associated method of use - A dental radiology apparatus includes:
| 03-25-2010 |
20100074403 | PANORAMIC DENTAL RADIOLOGY APPARATUS AND ASSOCIATED METHOD OF USE - A dental radiology apparatus includes an X-radiation generator and a sensor opposite it receiving radiation from the generator. The apparatus produces a panoramic image of an object by displacement of the assembly formed of the generator and the sensor along a given trajectory in a plane, the generator having at least one collimation slit elongated along a z-axis perpendicular to the plane to produce an X-ray beam elongated along this axis in a first mode of operation, the sensor with an array of pixels extending along the Z-axis in correspondence with the beam. The apparatus includes elements for pivoting the sensor by 90° to extend it in a direction parallel to the plane P, switching the generator provided with the collimation slit from the first mode to a second mode of operation to produce an X-ray beam elongated parallel to the direction of the sensor, so that the these positioned sensor is always in correspondence with the beam. | 03-25-2010 |
20110073787 | PHOTOSTIMULABLE PLATE READING DEVICE - A photostimulable plate reading device. The device includes: at least one photostimulable plate carrying image data and having two opposite surfaces; an illuminator for homogeneously illuminating a first one of the two opposite surfaces of the at least one photostimulable plate with light emitted in a first wavelength range, the illumination causing the at least one photostimulable plate both to emit light in a second wavelength range by photostimulated luminescence and to scatter light in the first wavelength range; a filter for preventing the light scattered in the first wavelength range from passing and for allowing the light emitted in the second wavelength range to pass, the filter facing a second one of the two opposite surfaces of the at least one photostimulable plate; and a detector composed of a two dimensional array of pixels for detecting the light allowed to pass and for obtaining image data therefrom. | 03-31-2011 |
20120012752 | DENTAL RADIOLOGY APPARATUS AND SIGNAL PROCESSING METHOD USED THEREWITH - A dental radiology apparatus having: an intraoral sensor comprising a detector that includes an active pixel array produced using biCMOS technology and converting a received x-ray into at least one analog electrical output signal; an electronic module encapsulated in a case and which has at least one detector activation device, the module being linked to the sensor by a wire link for the transmission to said sensor of a detector activation signal generated in the module and for the transmission to the module of said at least one analog electrical output signal, the module having analog-digital means for converting said at least one analog electrical output signal into at least one digital output signal; and a remote processing and display unit of said at least one digital output signal which is linked to the electronic module by a wire link intended to ensure the transmission to the unit of said at least one digital output signal. | 01-19-2012 |
20120189182 | AUTOMATIC TOOTH CHARTING USING DIGITAL IMAGES - A method for generating an electronic dental chart for a patient, executed at least in part by a host processor, obtains image data for each of a number of teeth of the patient and generates a template dental chart for the patient that represents the position of each imaged tooth with a symbol according to the obtained image data. The template dental chart for each imaged tooth symbol is populated to form the electronic dental chart by associating the obtained image data to the corresponding symbol in the template dental chart for the imaged tooth, analyzing the obtained image data to identify a condition of the imaged tooth, associating at least the identified condition with the symbol for the imaged tooth, and displaying the populated electronic dental chart, wherein the displayed electronic dental chart provides a visual indication of the identified condition. | 07-26-2012 |
20120243662 | APPARATUS FOR PROVIDING DENTAL RADIOLOGY IMAGE AND METHOD CEPHALOMETRIC - A dental x-ray unit comprising: an X-ray generator adapted to generate an X-ray beam in the direction of a patient's head, means of collimation adapted to confer given dimensions to the generated X-ray beam; a sensor placed facing the generator, receiving the radiologic projection of the collimated beam having irradiated the patient's head and supplying a cephalometric image of the patient's head, characterized in that the device includes: the means to acquire at least one photographic image of the patient's head, the means of automatic control for the means of collimation according to the at least one photographic image so that the dimensions of the collimated X-ray beam are adjusted to the dimensions of the patient's head. | 09-27-2012 |
20120307965 | METHOD FOR GENERATING AN INTRAORAL VOLUME IMAGE - A method for obtaining an intraoral x-ray image determines an initial spatial position and angular orientation of an x-ray source relative to a detector. A first x-ray image is obtained with the x-ray source at the initial spatial position and angular orientation and stored, associating the initial spatial position and angular orientation to the first x-ray image. A sequence repeats that calculates a next spatial position and angular orientation for the x-ray source, provides positional adjustment information between the x-ray source and detector for obtaining a next x-ray image, measures and records the actual spatial position and angular orientation of the x-ray source relative to the detector and obtains and stores the next x-ray image at the measured spatial position and angular orientation, and forms a composite image using image data from the first and from the one or more next x-ray images. | 12-06-2012 |
20130020490 | DENTAL RADIOLOGY APPARATUS AND SIGNAL PROCESSING METHOD USED THEREWITH - A dental radiology apparatus having: an intraoral sensor comprising a detector including an active pixel array produced using biCMOS technology and converting a received x-ray into at least one analog electrical output signal; an electronic module encapsulated in a case and which has at least one detector activation device, the module linked to the sensor for the transmission to the sensor of a detector activation signal generated in the module and for the transmission to the module of the at least one analog electrical output signal, the module having analog-digital means for converting the at least one analog electrical output signal into at least one digital output signal. A remote processing and display unit of the at least one digital output signal is linked to the electronic module to ensure the transmission to the unit of the at least one digital output signal. | 01-24-2013 |
20130022252 | PANORAMIC IMAGE GENERATION FROM CBCT DENTAL IMAGES - A method for forming a panoramic image from a computed tomography image volume, acquires image data elements for one or more computed tomographic volume images of a subject, identifies a subset of the acquired computed tomographic images that contain one or more features of interest and defines, from the subset of the acquired computed tomographic images, a sub-volume having a curved shape that includes one or more of the contained features of interest. The curved shape is unfolded by defining a set of unfold lines wherein each unfold line extends at least between two curved surfaces of the curved shape sub-volume and re-aligning the image data elements within the curved shape sub-volume according to a re-alignment of the unfold lines. One or more views of the unfolded sub-volume are displayed. | 01-24-2013 |
20130026378 | DENTAL RADIOLOGY APPARATUS AND SIGNAL PROCESSING METHOD USED THEREWITH - A dental radiology apparatus having: an intraoral sensor comprising a detector including an active pixel array produced using biCMOS technology and converting a received x-ray into at least one analog electrical output signal; an electronic module encapsulated in a case and which has at least one detector activation device, the module linked to the sensor for the transmission to the sensor of a detector activation signal generated in the module and for the transmission to the module of the at least one analog electrical output signal, the module having analog-digital means for converting the at least one analog electrical output signal into at least one digital output signal. A remote processing and display unit of the at least one digital output signal is linked to the electronic module to ensure the transmission to the unit of the at least one digital output signal. | 01-31-2013 |
20130028383 | DENTAL RADIOLOGY APPARATUS AND SIGNAL PROCESSING METHOD USED THEREWITH - A dental radiology apparatus having: an intraoral sensor comprising a detector including an active pixel array produced using biCMOS technology and converting a received x-ray into at least one analog electrical output signal; an electronic module encapsulated in a case and which has at least one detector activation device, the module linked to the sensor for the transmission to the sensor of a detector activation signal generated in the module and for the transmission to the module of the at least one analog electrical output signal, the module having analog-digital means for converting the at least one analog electrical output signal into at least one digital output signal. A remote processing and display unit of the at least one digital output signal is linked to the electronic module to ensure the transmission to the unit of the at least one digital output signal. | 01-31-2013 |
20130034823 | ADAPTIVE ILLUMINATION METHOD AND APPARATUS FOR DENTAL SHADE MATCHING - An intra-oral imaging apparatus for obtaining an image of a tooth has an image capture apparatus with an imaging sensor that is energizable to obtain image data and one or more optical elements for directing light from the tooth to the imaging sensor. An illumination apparatus has one or more light sources energizable to emit light and a spatial light modulator that is configurable to shape an illumination beam from the emitted light. One or more optical elements relay the shaped illumination beam toward the tooth surface. A control logic processor in signal communication with the imaging sensor obtains image data and in signal communication with the spatial light modulator shapes the illumination beam according to the obtained image data. | 02-07-2013 |
20130038710 | IDENTIFICATION OF DENTAL CARIES IN LIVE VIDEO IMAGES - A method for identification of caries, executed at least in part on data processing hardware, captures a plurality of blocks of digital tooth images, each block of tooth images comprising a fluorescence image and one or more reflectance images. At least one registered fluorescence image is generated from the fluorescence image and the one or more reflectance images. A combined image is generated using each of the one or more reflectance images and the at least one registered fluorescence image. | 02-14-2013 |
20130129040 | PANORAMIC DENTAL X-RAY UNIT - A panoramic dental x-ray unit. The unit includes a support rotating about an axis and carrying, in the opposite position, an x-ray source and detector which move following a predetermined trajectory. The unit further includes means for acquiring images of the dental arch of a patient corresponding to the positions of the detector and of the source with respect to the dental arch. There is also provided means for reconstruction of a two portions of a panoramic image corresponding respectively to two disconnected portions of the dental arch, the reconstruction being performed from certain acquired images which each contain at least one piece of information concerning the two disconnected portions of the dental arch. | 05-23-2013 |
20130164701 | EQUIPMENT AND METHOD FOR MEASURING DENTAL SHADE - The invention relates to a device for measuring dental shade. | 06-27-2013 |
20130203010 | INTRAORAL CAMERA FOR DENTAL CHAIRS - An intraoral camera comprising: an imaging section for obtaining image data from a patient in a dental chair; a transmitter comprising a transmitter configured for both wired and wireless transmission of the obtained image data to a computer; and a power section including a cable that obtains power from the dental chair or a battery module within the camera. | 08-08-2013 |
20130307923 | DIGITAL DETECTOR - An extra-oral dental imaging apparatus for obtaining an image from a patient has a radiation source and a digital imaging sensor that provides, for each of a number of image pixels, at least a first digital value according to a count of received photons that exceed at least a first energy threshold. A mount supports the radiation source and the digital imaging sensor on opposite sides of the patient's head. There can be a computer in signal communication with the digital imaging sensor for acquiring one or more two-dimensional images. | 11-21-2013 |
20140017625 | INTRA-ORAL CAMERA HAVING A LIQUID LENS FOR IMAGE STABILIZATION - An intra-oral camera ( | 01-16-2014 |
20140049380 | METHOD AND SYSTEM FOR COMPUTED RADIOGRAPHY USING A RADIO FREQUENCY IDENTIFICATION DEVICE - A method for obtaining an X-ray image of a subject on a flexible information carrier plate for computed radiography. A memory is affixed to a surface of the plate, wherein the affixed memory stores information about the plate and is in wireless communication with a computer. A first scan date is stored in the affixed memory. Obtaining the X-ray image uses steps of storing at least a job identifier and a scan status for the plate in the affixed memory; acquiring image data from a scan of the plate following exposure to X-rays, acquiring at least the job identifier from the affixed memory, and associating the acquired image data with the acquired job identifier; incrementing a scan count value and updating the scan status in the affixed memory; erasing image content from the plate; and storing the acquired image data in a second, computer-accessible memory according to the acquired job identifier. | 02-20-2014 |
20140186594 | PATTERNED RADIATION-SENSING THERMOPLASTIC COMPOSITE PANELS - A patterned scintillator panel including an extruded scintillator layer comprising a thermoplastic polyolefin and a scintillator material, wherein the scintillator layer comprises a pattern. Also disclosed is a method of making a patterned scintillator panel including forming a scintillator layer by melt extrusion, the scintillator layer comprising thermoplastic particles comprising a thermoplastic polyolefin and a scintillator material; and patterning the scintillator layer. Further disclosed is a method of making a patterned scintillator panel including forming a scintillator layer by injection molding, the scintillator layer comprising thermoplastic particles comprising a thermoplastic polyolefin and a scintillator material; and patterning the scintillator layer. | 07-03-2014 |
20140191852 | METHOD AND SYSTEM FOR PHOSPHOR PLATE IDENTIFICATION IN COMPUTED RADIOGRAPHY - A method for obtaining an intra-oral X-ray image of a subject on a flexible information carrier plate for computed radiography affixes a memory to a surface of the information carrier plate, wherein the affixed memory stores information about the plate and wherein the affixed memory is in wireless communication with a computer, stores at least a first scan date in the affixed memory, exposes the subject and obtains the intra-oral X-ray image of the subject using steps of: (i) storing identification data about the subject and about the image exposed in the affixed memory; (ii) acquiring image data from a scan of the flexible information carrier plate following exposure to X-rays, acquiring at least the stored identification data from the affixed memory, and associating the acquired image data with the acquired identification data; (iii) erasing image content from the flexible information carrier plate; and (iv) storing the acquired image data in a second, computer-accessible memory according to the acquired identification data. | 07-10-2014 |
20140270440 | VOLUME IMAGE RECONSTRUCTION USING DATA FROM MULTIPLE ENERGY SPECTRA - A method for forming a three-dimensional reconstructed image acquires two dimensional measured radiographic projection images over a set of projection angles, wherein the measured projection image data is obtained from an energy resolving detector that distinguishes first and second energy bands. A volume reconstruction has image voxel values representative of the scanned object by back projection of the measured projection data. Volume reconstruction values are iteratively modified to generate an iterative reconstruction by repeating, for angles in the set of projection angles and for each of a plurality of pixels of the detector: generating a forward projection that includes calculating an x-ray spectral distribution at each volume voxel, calculating an error value by comparing the generated forward projection value with the corresponding measured projection image value, and adjusting one or more voxel values using the calculated error value and the x-ray spectral distribution. The generated iterative reconstruction displays. | 09-18-2014 |
20140348405 | METHOD AND SYSTEM FOR USER INTERACTION IN 3-D CEPHALOMETRIC ANALYSIS - A method for 3-D cephalometric analysis acquires reconstructed volume image data from a computed tomographic scan of a patient's head. The acquired volume image data simultaneously displays from at least a first 2-D view and a second 2-D view. For an anatomical feature of the head, an operator instruction positions a reference mark corresponding to the feature on either the first or the second displayed 2-D view and the reference mark displays on each of the at least first and second displayed 2-D views. In at least the first and second displayed 2-D views, one or more connecting lines display between two or more of the positioned reference marks. One or more cephalometric parameters are derived according to the positioned reference marks, the derived parameters are displayed. | 11-27-2014 |