Patents Assigned to 3Shape A/S
  • Method for aligning digital representations of a patient's jaws
    Patent number: 11317998
    Abstract: A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient, the method including segmenting the 3D digital representations to determine the shape and position of each of the patient's teeth in each of the 3D digital representations; and using a set of known anatomical concepts to constrain the fit of the two 3D digital representations to get a preliminary fit.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 3, 2022
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Sven Nonboe
  • SYSTEM AND METHOD FOR INCREASING THE ACCURACY OF A MEDICAL IMAGING DEVICE
    Publication number: 20220104785
    Abstract: 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 including 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, the 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: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: 3SHAPE A/S
    Inventors: Morten BOLL, Thomas Sangild SØRENSEN, Jens Peter HOLME, Sami BRANDT, Henrik ÖJELUND
  • Intraoral scanning system using magnetic induction
    Publication number: 20220087519
    Abstract: Disclosed is an intra-oral scanning system including: a scanning device including at least a first magnetic induction coil; a replaceable scanning tip including at least a second magnetic induction coil; the scanning tip being removably connected to the scanning device; wherein the at least first and second magnetic induction coils are configured to provide power transfer and/or a communication signal between the scanning device and the scanning tip during operation of the scanning system.
    Type: Application
    Filed: February 27, 2020
    Publication date: March 24, 2022
    Applicant: 3SHAPE A/S
    Inventors: Morten Vendelbo FOGED, Christoph VANNAHME, Michael PEDERSEN, Søren Greve JENSEN, Dmytro Chupryna OLEGOVYCH, Esben Rosenlund HANSEN, Anders Robert JELLINGGAARD, Peter Dahl Ejby JENSEN, Kasper KROGH, Oliver SUNDBERG
  • FOCUS SCANNING APPARATUS
    Publication number: 20220086418
    Abstract: 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: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
  • SHEATH FOR A TIP OF A SCANNING DEVICE AND SYSTEM THEREOF
    Publication number: 20220079426
    Abstract: A sheath for an intraoral scanning tip, where polarization is not substantially altered during scanning.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventors: Alexander Bruun CHRISTIANSEN, Pétur Gordon HERMANNSSON, Søren Greve JENSEN, Mike VAN DER POEL
  • PREDICTING THE DEVELOPMENT OF A DENTAL CONDITION
    Publication number: 20220079718
    Abstract: 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: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Applicant: 3SHAPE A/S
    Inventor: Henrik John BRANDT
  • 3D scanning with automatic selection of scan strategy
    Patent number: 11276228
    Abstract: According to an embodiment, a method for 3D scanning at least a part of a surface of an object is disclosed. The method includes recording, using an optical scanner comprising at least one camera, one or more test 2D images of the at least a part of the surface of the object; automatically identifying a first segment of a first level of interest within the test 2D images, the first segment imaging a region of interest on the at least a part of the surface of the object; identifying a first 3D volume comprising the region of interest of the at least a part of the surface of the object; selecting a first input defining a first resolution and/or a first coverage; and 3D scanning the at least a part of the surface of the object within the first 3D volume using the first input.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: March 15, 2022
    Assignee: 3Shape A/S
    Inventor: Karl-Josef Hollenbeck
  • WIRELESS SCANNING DEVICE
    Publication number: 20220061632
    Abstract: The present disclosure provides a wireless scanning device, including: a scanning housing, including: an image detector configured for acquiring 2D-images at a first 2D-frame-rate; and one or more processor(s) coupled to the image detector such that the 2D-images can be processed by the processor(s) to form processed data; a wireless module being coupled to the processor(s) such that the wireless module receives the processed data from the processor(s) and wirelessly transmits the processed data.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 3, 2022
    Applicant: 3SHAPE A/S
    Inventors: Anders GAARDE, Kasper Krogh HANSEN
  • 3D intraoral scanner measuring fluorescence
    Patent number: 11246490
    Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from said teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: February 15, 2022
    Assignee: 3SHAPE A/S
    Inventors: Mike Van Der Poel, Karl-Josef Hollenbeck
  • System and method for increasing the accuracy of a medical imaging device
    Patent number: 11234665
    Abstract: 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 including 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, the 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: Grant
    Filed: April 10, 2020
    Date of Patent: February 1, 2022
    Assignee: 3SHAPE A/S
    Inventors: Morten Boll, Thomas Sangild Sørensen, Jens Peter Holme, Sami Brandt, Henrik Öjelund
  • DESIGNING AN INSERTABLE DENTAL RESTORATION
    Publication number: 20220015877
    Abstract: A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth, the digital 3D representation including a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 20, 2022
    Applicant: 3SHAPE A/S
    Inventors: Rune FISKER, Sven NONBOE
  • METHOD FOR GENERATING DENTAL MODELS BASED ON AN OBJECTIVE FUNCTION
    Publication number: 20220008175
    Abstract: A computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.
    Type: Application
    Filed: February 6, 2020
    Publication date: January 13, 2022
    Applicant: 3SHAPE A/S
    Inventors: Henrik ÖJELUND, Karl-Josef HOLLENBECK, Erik ASK
  • METHOD AND SYSTEM FOR MEASURING PERIODONTAL POCKET DEPTH
    Publication number: 20220008180
    Abstract: A system for measuring a depth of a periodontal pocket defined by a gap between a tooth and gingiva includes a frame, one camera, and a processor. The frame is configured to be worn by a user. The camera is configured to capture at least one 2D image of an intraoral target area. The at least one 2D image includes a representation of at least a part of the tooth, a gingiva margin defined by a section of the gingiva adjacent to the at least a part of the tooth, and a probe tip when the probe tip is inserted into the periodontal pocket. The processor is configured to receive the captured at least one 2D image and to determine an insertion length of the probe tip in the periodontal pocket. The determined insertion length represents the depth of the periodontal pocket.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 13, 2022
    Applicant: 3SHAPE A/S
    Inventors: Mike VAN DER POEL, Astrid BIRCH, Michael VINTHER, Sonal Sharad PATIL, Steen Frost TOFTHØJ
  • Predicting the development of a dental condition
    Patent number: 11207161
    Abstract: 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: Grant
    Filed: May 29, 2017
    Date of Patent: December 28, 2021
    Assignee: 3SHAPE A/S
    Inventor: Henrik John Brandt
  • Method of digitally designing a modified dental setup
    Patent number: 11202690
    Abstract: A method for digitally designing a modified dental setup up on a digital 3D dental model representing at least a part of the jaws of a patient includes the steps of obtaining a pre-treatment digital 2D image of at least a part of the patient's teeth, obtaining a digital 3D representation of the at least a part of the patient's set of teeth, obtaining a proposed digital 2D image of a desired dental setup based on the pre-treatment digital 2D image, wherein at least one digital tooth modification has been provided, and transferring the at least one digital tooth modification from the proposed digital 2D image to the digital 3D representation. This provides a method where the practitioner with relative simple means can present the patient with a visualization of an expected outcome of a dental treatment.
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: December 21, 2021
    Assignee: 3SHAPE A/S
    Inventor: Rune Fisker
  • Method for replacing a rotational axis decoder in a scanning system
    Patent number: 11202615
    Abstract: 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, the method 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: Grant
    Filed: March 25, 2020
    Date of Patent: December 21, 2021
    Assignee: 3SHAPE A/S
    Inventors: Thomas Sangild Sørensen, Sami Brandt
  • METHOD OF REDUCING THE X-RAY DOSE IN AN X-RAY SYSTEM
    Publication number: 20210345982
    Abstract: A method of reducing the x-ray dose of a patient in an x-ray system includes defining a region of interest of the patient, obtaining at least two tracking images of a tracking element taken with at least one camera having a known positional relationship relative to an x-ray source and/or sensor, determining any movement of the tracking element between the acquisition of at least two tracking images, adjusting the collimator of the x-ray source to compensate for any movement of the tracking element between the acquisition of the at least two tracking images, providing that the field of exposure of the x-ray source is confined to the region of interest and obtaining at least one x-ray image of the region of interest after the adjustment of the collimator.
    Type: Application
    Filed: May 14, 2021
    Publication date: November 11, 2021
    Applicant: 3SHAPE A/S
    Inventor: Henrik ÖJELUND
  • A POWER-ADAPTABLE DEVICE FOR SCANNING A HUMAN INTRA-CAVITY
    Publication number: 20210338047
    Abstract: The present disclosure provides in a first aspect of the invention a device for scanning a human intra-cavity, comprising a housing comprising a part connected to the housing, the part dimensioned for being inserted into said human intra-cavity, a single mounting-interface on the housing, the single mounting-interface configured to removably mount an internal power supply unit for powering the device from an internal power supply within the internal power supply unit, or an external power supply unit for powering the device from an external power supply outside the external power supply unit, the device configured for being changed between two power-operation modes.
    Type: Application
    Filed: September 24, 2019
    Publication date: November 4, 2021
    Applicant: 3SHAPE A/S
    Inventors: Kasper Krogh HANSEN, Troels Böwadt ARNVED, Frederik JUUL
  • Designing an insertable dental restoration
    Patent number: 11160642
    Abstract: A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including-obtaining a digital 3D representation of the set of teeth, the digital 3D representation comprising a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: November 2, 2021
    Assignee: 3SHAPE A/S
    Inventors: Rune Fisker, Sven Nonboe
  • Method of composing and designing a set of teeth
    Patent number: RE49008
    Abstract: Disclosed is a computer-implemented method of designing a number of dental restorations for a patient, wherein the method includes: selecting a composed set of teeth including a number of teeth, where the number of teeth are arranged spatially relative to each other forming a high aesthetic composition; applying the composed set of teeth to a virtual three dimensional representation of the patient's present oral situation to obtain an initial set of teeth; optionally modifying one or more parameters of one or more of the teeth in the initial set of teeth to obtain a finalized set of teeth.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: April 5, 2022
    Assignee: 3Shape A/S
    Inventors: Tais Clausen, Rune Fisker, Sven Nonboe