Patents Assigned to PaloDex Group Oy
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Patent number: 10431441Abstract: A photomultiplier tube for use in an imaging plate scanner. In one embodiment, the photomultiplier tube includes a housing having a window; a focusing electrode located in the housing; an electron multiplier dynode located in the housing; an anode; a cathode and a memory storing parameters. Another embodiment provides An imaging plate scanner including a photomultiplier tube having a window, an anode, and a cathode; a light source positioned to radiate light on the anode or cathode; and an electronic processor communicatively coupled to the light source and configured to generate a supply voltage value for the photomultiplier tube, activate the light source and determine an output current of the anode or of the cathode, and generate an error message if the output current deviates from an expected current range. A power supply is electrically connected to the electronic processor and configured to generate the supply voltage.Type: GrantFiled: January 31, 2018Date of Patent: October 1, 2019Assignee: PALODEX GROUP OYInventors: Jorma Honkala, Ari Hannu Tapio Koskikallio, Kaapo Paulanto, Doan Ha Nguyen
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Patent number: 10405813Abstract: Systems and methods for obtaining a panoramic image are provided. One system includes a gantry, an x-ray source, a receptor, and at least one controller. The x-ray source is mounted on the gantry and is configured to alternatively output x-ray radiation at a first energy level and x-ray radiation at a second energy level. The receptor is mounted on the gantry so that x-ray radiation from the x-ray source impinges on the receptor. The receptor is configured to output a plurality of frames of data including a first frame and a second frame sequential to the first frame. The controller is configured to control the x-ray source so that data in the first frame is generated based on x-ray radiation of the first energy level and data in the second frame is based on x-ray radiation of the second energy level.Type: GrantFiled: February 4, 2015Date of Patent: September 10, 2019Assignees: Dental Imaging Technologies Corporation, PaloDEx Group OYInventors: Petri Jouhikainen, David Albert Sebok, Bradley S. Carlson, Hongjian Shi, Mike Parma, Edward Marandola, Robert Keating, Esa Suuronen, Scott Kravis
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Patent number: 10278666Abstract: X-ray imaging systems and methods for exposure control in three-dimensional X-ray imaging include acquiring at least one image with an X-ray emitter and an X-ray receiver. At least one physical characteristic of the object to be imaged is determined from the at least one image. At least one exposure parameter value based is determined based upon the at least one physical characteristic of the object to be imaged. The X-ray emitter and X-ray receiver acquire a plurality of projection images about the object to be imaged using at least one exposure parameter value. A three-dimensional X-ray image is reconstructed from the plurality of projection images.Type: GrantFiled: June 13, 2014Date of Patent: May 7, 2019Assignee: PaloDEx Group OyInventors: Esa Eronen, Markus Rintamäki, Martti Kalke
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Patent number: 10258306Abstract: A method, a device, a system and a computer program are for controlling limited-area computer tomography imaging. The method includes determining location data of a first imaging object when the first imaging object is positioned in an imaging area, determining reference location data related to the first imaging object and adjusting the imaging area based on the location data of the first imaging object and said reference location data for imaging a second imaging object. The first and the second imaging object can be located at a distance determined by the reference location data from each other or symmetrically in relation to the reference location data.Type: GrantFiled: May 5, 2017Date of Patent: April 16, 2019Assignee: PaloDEx Group OyInventor: Petri Jouhikainen
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Patent number: 10080535Abstract: The invention relates to an image plate readout device, the readout device comprising receiver elements for the reception of an image plate and/or a transfer element intended for an image plate. In connection with the readout device is provided, for detecting an object, at least one sensing element, which is in turn set in data communication with the readout device in such a way that, upon detecting an object, the sensing element delivers a signal to the readout device. In response to being triggered by a signal delivered by the sensing element, the readout device executes some function.Type: GrantFiled: April 25, 2017Date of Patent: September 25, 2018Assignee: PaloDEx Group OyInventors: Mika Kyllonen, Jari Taskinen
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Publication number: 20180235560Abstract: The application relates to an X-ray imaging unit for a medical imaging. The unit comprising a rotating part comprising a first X-ray source and an X-ray imaging detector unit configured to provide an image by means of at least a rotational movement (R) around a rotation axis of the rotating part, and an upper shelf for supporting the rotating part.Type: ApplicationFiled: April 24, 2018Publication date: August 23, 2018Applicant: PaloDEx Group OyInventors: Esa Suuronen, Sami Vartiainen
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Publication number: 20180214102Abstract: A medical imaging system includes at least an image plate, X-ray device for producing an image of an object on said image plate, and a reading device for reading image information held by the image plate. In connection with the image plate there is a tag containing information for controlling the arrangement in such a manner that when the arrangement has read the information in the tag the arrangement is adapted to perform at least one operation controlled by the information read.Type: ApplicationFiled: March 22, 2018Publication date: August 2, 2018Applicant: PaloDEx Group OyInventors: Jari Taskinen, Mika Anttila, Timo Klemola
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Publication number: 20180192975Abstract: A system and method of X-ray imaging includes an X-ray emitter that projects X-rays. An X-ray receiver that receives X-rays from the X-ray emitter to produce a plurality of projection images. A filter with at least one filter leaf absorb at least a portion of the X-rays from the X-ray emitter to define a limited field of view within a full field of view with the X-rays being attenuated in at least one attenuated portion of the full field of view. A processor reconstructs a three dimensional image based upon the projection images of the full field of view. The limited field view is located within the reconstructed three dimensional image. At least one corrective parameter is determined from the reconstructed three dimensional image. A three dimensional image is reconstructed based upon the limited field of view and the at least one corrective parameter.Type: ApplicationFiled: March 6, 2018Publication date: July 12, 2018Applicant: PaloDEx Group OyInventor: Esa Kalevi Eronen
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Publication number: 20180140267Abstract: The application relates to an X-ray imaging unit for a medical imaging. The unit comprising a rotating part comprising a first X-ray source and an X-ray imaging detector unit configured to provide an image by means of at least a rotational movement (R) around a rotation axis of the rotating part, and an upper shelf for supporting the rotating part.Type: ApplicationFiled: January 17, 2018Publication date: May 24, 2018Applicant: PaloDEx Group OyInventors: Esa Suuronen, Sami Vartiainen
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Patent number: 9955933Abstract: A medical imaging system comprises at least an image plate, X-ray device for producing an image of an object on said image plate, and a reading device for reading image information held by the image plate. In connection with the image plate there is a tag containing information for controlling the arrangement in such a manner that when the arrangement has read the information in the tag the arrangement is adapted to perform at least one operation controlled by the information read.Type: GrantFiled: May 5, 2017Date of Patent: May 1, 2018Assignee: PaloDEx Group OyInventors: Jari Taskinen, Mika Anttila, Timo Klemola
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Patent number: 9936926Abstract: A system and method of X-ray imaging includes an X-ray emitter that projects X-rays. An X-ray receiver receives X-rays from the X-ray emitter to produce a plurality of projection images. A filter with at least one filter leaf absorbs at least a portion of the X-rays from the X-ray emitter to define a limited field of view within a full field of view, wherein the X-rays are attenuated in at least one attenuated portion of the full field of view. A processor reconstructs a three dimensional image based upon the projection images of the full field of view. The limited field view is located within the reconstructed three dimensional image. At least one corrective parameter is determined from the reconstructed three dimensional image. A three dimensional image is reconstructed based upon the limited field of view and the at least one corrective parameter.Type: GrantFiled: February 2, 2015Date of Patent: April 10, 2018Assignee: PaloDEx Group OyInventor: Esa Kalevi Eronen
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Patent number: 9888891Abstract: The application relates to an X-ray imaging unit for a medical imaging. The unit comprising a rotating part comprising a first X-ray source and an X-ray imaging detector unit configured to provide an image by means of at least a rotational movement (R) around a rotation axis of the rotating part, and an upper shelf for supporting the rotating part. The upper shelf is configured to enable the rotating part to move with respect to the upper shelf by means of a linear movement (L) and to be attached to a column with a pivoting joint for enabling a pivot movement (P) of the upper shelf around the column. The rotating part is configured to be positioned by the linear movement and the pivot movement during the imaging.Type: GrantFiled: March 6, 2015Date of Patent: February 13, 2018Assignee: PaloDEx Group OyInventors: Esa Suuronen, Sami Vartiainen
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Publication number: 20170348443Abstract: The invention relates to a cleaning system for a set of instruments associated or in contact with an image plate readout device, as well as to a readout device comprising the cleaning system. The cleaning system comprises a disinfecting element, which emits electromagnetic radiation and/or ultrasonic radiation capable of destroying disease carriers, and which is adapted to emit said radiation towards an image plate conveyor mechanism encompassed by the image plate readout device.Type: ApplicationFiled: August 23, 2017Publication date: December 7, 2017Applicant: PaloDEx Group OyInventors: Jari Taskinen, Markus Weber, Jarto Luotola, Douglas Woods, Markus Gygax
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Publication number: 20170296134Abstract: A method, a device, a system and a computer program are for controlling limited-area computer tomography imaging. The method includes determining location data of a first imaging object when the first imaging object is positioned in an imaging area, determining reference location data related to the first imaging object and adjusting the imaging area based on the location data of the first imaging object and said reference location data for imaging a second imaging object. The first and the second imaging object can be located at a distance determined by the reference location data from each other or symmetrically in relation to the reference location data.Type: ApplicationFiled: May 5, 2017Publication date: October 19, 2017Applicant: PaloDEx Group OyInventor: Petri Jouhikainen
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Patent number: 9770217Abstract: Systems and methods are presented for evaluating a dental condition. A first digital representation of at least a portion of an oral cavity of a first patient is compared to a second digital representation of the oral cavity of the same patient. The first digital representation is representative of the oral cavity of the first patient at a first time and the second digital representation is representative of the oral cavity of the first patient at a second, later time. At least one clinically-significant difference between the first digital representation and the second digital representation are automatically identified and the first digital representation is displayed in a way that highlights the at least one clinically significant difference.Type: GrantFiled: January 30, 2015Date of Patent: September 26, 2017Assignees: Dental Imaging Technologies Corporation, PaloDEx Group OYInventors: Joonas Erik Sandholm, Matti Petri Jouhikainen, Robert Frank Dillon
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Patent number: 9770522Abstract: A method of disinfecting a readout device having a reader unit that reads an imaging medium, the method comprising: identifying an absence of the imaging medium from the inside of the readout device; and emitting, from a disinfecting element, radiation capable of destroying disease carriers onto an the interior of the readout device when the imaging medium is absent from inside the readout device.Type: GrantFiled: October 1, 2014Date of Patent: September 26, 2017Assignee: PaloDEx Group OyInventors: Jari Taskinen, Markus Weber, Jarto Luotola, Douglas Woods, Markus Gygax
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Publication number: 20170238891Abstract: A medical imaging system comprises at least an image plate, X-ray device for producing an image of an object on said image plate, and a reading device for reading image information held by the image plate. In connection with the image plate there is a tag containing information for controlling the arrangement in such a manner that when the arrangement has read the information in the tag the arrangement is adapted to perform at least one operation controlled by the information read.Type: ApplicationFiled: May 5, 2017Publication date: August 24, 2017Applicant: PaloDEx Group OyInventors: Jari Taskinen, Mika Anttila, Timo Klemola
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Publication number: 20170224297Abstract: The invention relates to an image plate readout device, the readout device comprising receiver elements for the reception of an image plate and/or a transfer element intended for an image plate. In connection with the readout device is provided, for detecting an object, at least one sensing element, which is in turn set in data communication with the readout device in such a way that, upon detecting an object, the sensing element delivers a signal to the readout device. In response to being triggered by a signal delivered by the sensing element, the readout device executes some function.Type: ApplicationFiled: April 25, 2017Publication date: August 10, 2017Applicant: PaloDEx Group OyInventors: Mika Kyllonen, Jari Taskinen
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Patent number: 9678420Abstract: A medical imaging system comprises at least an image plate, X-ray device for producing an image of an object on said image plate, and a reading device for reading image information held by the image plate. In connection with the image plate there is a tag containing information for controlling the arrangement in such a manner that when the arrangement has read the information in the tag the arrangement is adapted to perform at least one operation controlled by the information read.Type: GrantFiled: March 22, 2010Date of Patent: June 13, 2017Assignee: PaloDEx Group OyInventors: Jari Taskinen, Mika Anttila, Timo Klemola
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Patent number: 9665752Abstract: The invention relates to an image plate readout device, the readout device comprising receiver elements for the reception of an image plate and/or a transfer element intended for an image plate. In connection with the readout device is provided, for detecting an object, at least one sensing element, which is in turn set in data communication with the readout device in such a way that, upon detecting an object, the sensing element delivers a signal to the readout device. In response to being triggered by a signal delivered by the sensing element, the readout device executes some function.Type: GrantFiled: May 26, 2015Date of Patent: May 30, 2017Assignee: PaloDEx Group OyInventors: Mika Kyllonen, Jari Taskinen