Patents Assigned to 3Shape A/S
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Publication number: 20200293699Abstract: A computer product for generating a digital 3D model for use in a dental component based on a digital 3D model of the dental component showing a shape of the teeth and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended, the product causing a system to generate a digital 3D combined model representing a target dental situation when the dental component is arranged at the teeth, where the instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and adding the digital 3D model of the dental component to the digital 3D representation of the pre-prepared set of teeth.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Applicant: 3SHAPE A/SInventors: Rune FISKER, Sven NONBOE
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Patent number: 10776533Abstract: 3D modeling of an object using textural features. Disclosed is a method and a system for 3D modeling of a 3D object adapted to be inserted in or worn by a patient. The 3D modeling applies information of one or more features from an acquired 2D digital representation including textural data of the location where the 3D object is adapted to be arranged.Type: GrantFiled: July 11, 2011Date of Patent: September 15, 2020Assignee: 3SHAPE A/SInventors: Rune Fisker, Tais Clausen, Nikolaj Deichmann, Mikkel Bille Stegmann, Karl-Josef Hollenbeck, Thomas Højgaard Allin, Lars Schjøth
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Publication number: 20200281697Abstract: Disclosed is method, a user interface, a computer program product and a system for predicting future development of a dental condition of a patient's set of teeth, wherein the method comprises: —obtaining two or more digital 3D representations for the teeth recorded at different points in time; —deriving based on the obtained digital 3D representations a formula expressing the development of the dental condition in terms of at least one parameter as a function of time; and —predicting the future development of the condition based on the derived formula.Type: ApplicationFiled: May 29, 2017Publication date: September 10, 2020Applicant: 3SHAPE A/SInventor: Henrik John BRANDT
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Publication number: 20200273248Abstract: A computer-implemented method for generating a corresponding 3D mesh representing a 3D object, includes transforming an initial three-dimensional mesh into a planar mesh, wherein each vertex or edge of the planar mesh is a transformation of a vertex or edge from the initial three-dimensional mesh; and sampling the planar mesh to generate a plurality of samples such that each sample comprises a three-dimensional coordinate representing a point in a three-dimensional space derived and/or taken directly from the initial three-dimensional mesh, and a coordinate representing a position of the sample relative to other samples; and generating the sampled matrix based on the plurality of samples; and representing the sampled matrix as a corresponding 3D mesh.Type: ApplicationFiled: February 26, 2020Publication date: August 27, 2020Applicant: 3SHAPE A/SInventors: Jens Christian JØRGENSEN, Jens Peter TRÄFF, Alejandro Alonso DIAZ
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Patent number: 10743968Abstract: A method, a system and a user interface for creating a digital restoration design for the manufacture of a dental restoration for one or more of a patient's teeth where minimal manual interaction is required when setting the restoration margin line includes obtaining a digital 3D representation of the patient's unprepared teeth; obtaining a set of one or more digital teeth anatomies; arranging the digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement and creating a digital restoration design including a restoration margin line, where the restoration margin line is derived at least partly from an intersection of the digital 3D representation and the digital teeth anatomies.Type: GrantFiled: September 24, 2015Date of Patent: August 18, 2020Assignee: 3SHAPE A/SInventors: Rune Fisker, Sven Nonboe
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Patent number: 10736718Abstract: Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.Type: GrantFiled: December 12, 2018Date of Patent: August 11, 2020Assignee: 3SHAPE A/SInventors: Bo Esbech, Christian Romer Rosberg, Mike Van Der Poel, Rasmus Kjaer, Michael Vinther, Karl-Josef Hollenbeck
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Patent number: 10735706Abstract: Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images.Type: GrantFiled: December 27, 2018Date of Patent: August 4, 2020Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Ojelund, Mike Van Der Poel, Kristian Evers Hansen, Anders Gaarde
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Publication number: 20200234404Abstract: A method for generating a panoramic image of a patient includes obtaining a digital 3D surface representation of at least a part of the patient's teeth; using the obtained digital 3D surface representation to define a customized path following the arch form of the patient's teeth; obtaining a plurality of x-ray images of at least a part of one of the patient's jaws and/or teeth; and generating the panoramic image of the patient using the customized path.Type: ApplicationFiled: September 28, 2018Publication date: July 23, 2020Applicant: 3SHAPE A/SInventors: Ole P. WIESE, Thomas Sangild SØRENSEN
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Patent number: 10716634Abstract: An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.Type: GrantFiled: December 30, 2019Date of Patent: July 21, 2020Assignee: 3SHAPE A/SInventors: Nikolaj Deichmann, Rune Fisker
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Patent number: 10709412Abstract: A method for determining the position and/or orientation of at least one sensor system relative to the base structure of a scanning system during scanning of an object includes obtaining one or more tracking images using one or more cameras, where the cameras are in a fixed position with respect to the sensor system; and determining from the one or more tracking images the position and/or orientation of the sensor system relative to the base structure at a given time.Type: GrantFiled: December 5, 2017Date of Patent: July 14, 2020Assignee: 3SHAPE A/SInventors: Thomas Sangild Sørensen, Sami Brandt
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Patent number: 10706184Abstract: A computer product for generating a digital 3D model for use in a dental component based on a digital 3D model of the dental component showing a shape of the teeth and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended, said product causing a system to generate a digital 3D combined model representing a target dental situation when the dental component is arranged at the teeth, where the instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and adding the digital 3D model of the dental component to the digital 3D representation of the pre-prepared set of teeth.Type: GrantFiled: September 15, 2017Date of Patent: July 7, 2020Assignee: 3Shape A/SInventors: Rune Fisker, Sven Nonboe
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Patent number: 10695151Abstract: Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.Type: GrantFiled: February 5, 2018Date of Patent: June 30, 2020Assignee: 3SHAPE A/SInventors: Bo Esbech, Rune Fisker, Lars Henriksen, Tais Clausen
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Patent number: 10687767Abstract: A radiographic system including a radiation source emitting a radiation beam, a radiation sensor for detecting incident radiation from the radiation beam on a sensor area, at least one collimator arranged between the radiation source and the radiation sensor for masking the radiation beam to irradiate a radiation area on the sensor which is smaller than the sensor area and means for moving the collimator across the radiation beam, whereby the radiation area is moved across the sensor area.Type: GrantFiled: December 5, 2018Date of Patent: June 23, 2020Assignee: 3SHAPE A/SInventor: Henrik Öjelund
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Patent number: 10690494Abstract: A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.Type: GrantFiled: March 5, 2019Date of Patent: June 23, 2020Assignee: 3SHAPE A/SInventors: Nikolaj Deichmann, Mike Van der Poel, Karl-Josef Hollenbeck, Rune Fisker
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Patent number: 10684115Abstract: Disclosed is an optical coherence tomography scanner and a method for recording sub-surface scans of an object, wherein a position encoder is arranged in the path of the probing beam of an interferometric system. The encoder pattern is detected in a sequence of A scans at generated for different probing beam positions on the scanned object, the probing beam position and/or inclination for at least one A scan of said sequence of A scans is deducing based on the detected encoder pattern, and the sub-surface scan of the object is generated based on the sequence of A scans taking into account the deduced probing beam position and/or inclination.Type: GrantFiled: January 20, 2017Date of Patent: June 16, 2020Assignee: 3Shape A/SInventors: Ashwani Kumar, Deepak Vijayakumar Nair, Erik Ask, Karl-Josef Hollenbeck
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Patent number: 10670395Abstract: A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.Type: GrantFiled: March 7, 2017Date of Patent: June 2, 2020Assignee: 3SHAPE A/SInventors: Nikolaj Deichmann, Mike Van Der Poel, Karl-Josef Hollenbeck, Rune Fisker
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Publication number: 20200169722Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÔJELUND, Rasmus KJÆR, Mike van der POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Publication number: 20200138526Abstract: An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.Type: ApplicationFiled: December 30, 2019Publication date: May 7, 2020Applicant: 3SHAPE A/SInventors: Nikolaj Deichmann, Rune FISKER
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Patent number: 10638996Abstract: A method for improving the accuracy of a digital medical model of a part of a patient, the method includes obtaining a set of at least 2 medical images of the patient, where an element comprising a predefined geometry and/or predefined information was attached to the patient during the recording of the medical images; obtaining at least 2 tracking images taken with at least one camera having a known positional relationship relative to the medical imaging device, said tracking images depicting at least part of the element; determining any movement of the element between acquisition of the at least 2 tracking images; and generating the digital medical model from the acquired medical images, wherein the determined movement of the element is used to compensate for any movement of the patient between the acquisition of the medical images.Type: GrantFiled: May 23, 2019Date of Patent: May 5, 2020Assignee: 3Shape A/SInventors: Morten Boll, Thomas Sangild Sørensen, Jens Peter Holme, Sami Brandt, Henrik Öjelund
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Publication number: 20200129275Abstract: A tip for an optical scanner, where said tip includes a framework and an optical element. For some configurations the optical element is releasable attaching to the framework by a holding means of the tip. For some configurations the tip framework is formed in two materials of different thermal conductivities.Type: ApplicationFiled: October 31, 2019Publication date: April 30, 2020Applicant: 3SHAPE A/SInventors: Mike VAN DER POEL, Casper Rasmussen, Finn Hansen, Søren Greve Jensen