Patents by Inventor Pawel Moskal
Pawel Moskal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230255585Abstract: A method and a system for a TOF-PET scanner, the TOF-PET scanner including a scintillation chamber and a detection system comprising detection modules that surround the scintillation chamber. The method includes, for each detection module being calibrated, determining distributions of lifetimes of positrons based on differences of the times of registration of annihilation quanta and of the times of registration of the de-excitation quanta assigned to the common events and registered by the module being calibrated; extracting, from the determined distributions of lifetimes of positrons, a distribution of lifetimes of positrons with annihilation by para-positronium; and determining a time delay constant based on the extracted distributions of lifetimes of positrons with annihilation by para-positronium.Type: ApplicationFiled: July 9, 2021Publication date: August 17, 2023Inventors: Pawel MOSKAL, Kamil DULSKI
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Patent number: 11137505Abstract: The invention relates to a method for reconstruction of an image of a morphometric parameter being a ratio of the frequency of annihilation of an electron with a positron to three and two quanta. The device for imaging the interior of the studied object comprises a series of TOF-PET detection modules (110), a data acquisition subsystem (111), a data selection subsystem (113) configured so as to record and identify all types of quanta emitted from the studied object after administration of an isotopic marker, the data processing system being characterised in that it allows for reconstructing (121, 123, 131, 133, 141) and visualising (143) of a ?3?(x,y,z) image of the ration of two-quantum and three-quantum annihilations without the necessity to measure the deexcitation quanta.Type: GrantFiled: September 14, 2017Date of Patent: October 5, 2021Assignees: UNIWERSYTET JAGIELLONSKI, UNIWERSYTET MARII CURIE-SKLODOWSKIEJInventors: Pawel Moskal, Bozena Jasinska
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Patent number: 10670737Abstract: A Time-of-Flight Positron Emission Tomography (TOF-PET) tomography insert. The insert includes detection modules and photoelectric converters. Each of the photoelectric converters is connected to an electronic signal processing circuit protected by a housing and comprising an electronic signal processing unit and a computer operable to control the electronic signal processing unit and to reconstruct and store images. Each of the detection modules further includes a liquid marker visible in a magnetic resonance image. The insert also includes a liquid marker device visible in the magnetic resonance image. Adjacent detection modules are detachably connected via coupling elements.Type: GrantFiled: July 15, 2016Date of Patent: June 2, 2020Assignee: UNIWERSYTET JAGIELLONSKIInventors: Bartosz Glowacz, Pawel Moskal, Marcin Zielinski
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Publication number: 20200081144Abstract: The invention relates to a method for reconstruction of an image of a morphometric parameter being a ratio of the frequency of annihilation of an electron with a positron to three and two quanta. The device for imaging the interior of the studied object comprises a series of TOF-PET detection modules (110), a data acquisition subsystem (111), a data selection subsystem (113) configured so as to record and identify all types of quanta emitted from the studied object after administration of an isotopic marker, the data processing system being characterised in that it allows for reconstructing (121, 123, 131, 133, 141) and visualising (143) of a ?3?(x,y,z) image of the ration of two-quantum and three-quantum annihilations without the necessity to measure the deexcitation quanta.Type: ApplicationFiled: September 14, 2017Publication date: March 12, 2020Applicant: UNIWERSYTET JAGIELLONSKIInventors: Pawel MOSKAL, Bozena JASINKA
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Patent number: 10520568Abstract: A hybrid tomograph that includes a chamber for examining an object, a TOF-PET tomograph and an MRI tomograph. The MRI tomograph has a magnet for producing a magnetic field and a receiving-transmitting coil. The TOF-PET tomograph has polymer scintillation strips to transmit scintillation photons outside the magnet of the MRI tomograph and outside the chamber of the hybrid TOF-PET/MRI tomograph. The polymer scintillation strips are arranged circumferentially inside the magnetic field produced by the magnet of the MRI tomograph. Photoelectric converters for converting light signals from the polymer scintillation strips to electrical signals are arranged outside the magnet of the MRI tomograph and outside the chamber of the hybrid TOF-PET/MRI tomograph.Type: GrantFiled: August 29, 2014Date of Patent: December 31, 2019Assignee: UNIWERSYTET JAGIELLONSKIInventor: Pawel Moskal
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Patent number: 10339676Abstract: A method for reconstructing multi-tracer metabolic and morphometric images. The method includes the steps of: (a) receiving a plurality of events from positron annihilation centers obtained during measurements conducted by TOF-PET tomography; (b) reconstructing the time coordinates and the three-dimensional spatial coordinates for the plurality of events; (c) determining a common decay plane for gamma quanta originating from the positron-electron annihilation; (d) transforming the three-dimensional spatial coordinates for the gamma quanta to a two-dimensional frame of reference of the common decay plane; (e) determining the time coordinates and the spatial coordinates of a place of the annihilation in the common decay plane; and (f) transforming the time coordinates and the spatial coordinates of the place of the annihilation in the two-dimensional frame of reference of the common decay plane to three-dimensional spatial coordinates in a detector coordinate system.Type: GrantFiled: September 7, 2015Date of Patent: July 2, 2019Assignee: UNIWERSYTET JAGIELLONSKIInventors: Aleksander Gajos, Daria Kaminska, Pawel Moskal, Eryk Czerwinski
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Patent number: 10329481Abstract: New composition of polymeric scintillator was revealed, which can be used particularly in medical diagnostics especially in productions of CT scanners, PET scanners and SPECT scanners.Type: GrantFiled: June 8, 2015Date of Patent: June 25, 2019Assignees: UNIWERSYTET JAGIELLONSKI, UNIWERSYTET ROLNICZY IM. HUGONA KOLLATAJA W KRAKOWIEInventors: Anna Wieczorek, Andrzej Danel, Tomasz Uchacz, Pawel Moskal
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Publication number: 20180356536Abstract: The invention is a mobile TOF-PET tomography insert, to the magnetic resonance imaging (MRI) scanners, with the capabilities of enabling simultaneous PET and MRI imaging.Type: ApplicationFiled: July 15, 2016Publication date: December 13, 2018Inventors: Bartosz GLOWACZ, Pawel MOSKAL, Marcin ZIELINSKI
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Patent number: 10126257Abstract: The present invention is a device and method for the non-invasive detection of hazardous materials in an aquatic environment, wherein the device comprises a sealed housing, in which there is a fast neutron generator (101) surrounded by ? particle detectors (106), and gamma quantum detector (111), wherein the fast neutron generator (101) emits neutrons in the direction of the tested object (107) through the neutron and/or gamma quanta guide (108), and the gamma quanta detector records gamma quanta emitted by the nuclei of the tested object (107) transmitted through neutron and/or gamma quanta guide (110).Type: GrantFiled: June 8, 2015Date of Patent: November 13, 2018Assignee: Uniwersytet JagiellonskiInventors: Michal Silarski, Pawel Moskal
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Patent number: 10088581Abstract: A method for determining parameters of reaction of a gamma quantum within a scintillation detector of a PET scanner, wherein the signal measured by the scintillator is transformed in at least one photomultiplier into an electric measured signal.Type: GrantFiled: August 29, 2014Date of Patent: October 2, 2018Assignee: UNIWERSYTET JAGIELLONSKIInventor: Pawel Moskal
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Publication number: 20180252785Abstract: The present invention relates to the dedicated hybrid TOF-PET/MRI transceiver coil, comprising: MRI coils in a form of complex shape wire antennas, electronic circuit module allowing for transmitting MRI radiofrequency pulse, and receiving response in a form of magnetic resonance signal, PET detectors arranged longitudinally, fixed permanently to the MRI coils system mechanical support, an electronic signal processing unit, wherein the PET detectors are in a form of plastic scintillating strip modules equipped with photoelectric converter units at both ends to convert a light signals from the scintillating module to electrical signals and composed of non-magnetic materials.Type: ApplicationFiled: September 3, 2015Publication date: September 6, 2018Inventors: BARTOSZ GLOWACZ, MARCIN ZIELINSKI, PAWEL MOSKAL
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Publication number: 20180247432Abstract: A method for reconstructing multi-tracer metabolic and morphometric images. The method includes the steps of: (a) receiving a plurality of events from positron annihilation centers obtained during measurements conducted by TOF-PET tomography; (b) reconstructing the time coordinates and the three-dimensional spatial coordinates for the plurality of events; (c) determining a common decay plane for gamma quanta originating from the positron-electron annihilation; (d) transforming the three-dimensional spatial coordinates for the gamma quanta to a two-dimensional frame of reference of the common decay plane; (e) determining the time coordinates and the spatial coordinates of a place of the annihilation in the common decay plane; and (f) transforming the time coordinates and the spatial coordinates of the place of the annihilation in the two-dimensional frame of reference of the common decay plane to three-dimensional spatial coordinates in a detector coordinate system.Type: ApplicationFiled: September 7, 2015Publication date: August 30, 2018Inventors: Aleksander GAJOS, Daria KAMINSKA, Pawel MOSKAL, Eryk CZERWINSKI
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Patent number: 10042058Abstract: A detector device for determining a position of reaction of gamma quanta, the device comprising: a detection layer comprising: at least one polymeric or inorganic scintillator (12, 22) for absorbing gamma quanta and for emitting and propagating scintillation photons; and photoelectric converters (14,24) for converting light signals of the scintillation photons into electric signals; and at least one additional layer comprising: strips of material (13, 23) for absorbing the scintillation photons and for emitting and propagating secondary photons; and photoelectric converters (15, 25) for converting the light signals for the scintillation photons into electric signals.Type: GrantFiled: August 29, 2014Date of Patent: August 7, 2018Assignee: UNIWERSYTET JAGIELLONSKIInventors: Pawel Moskal, Jerzy Smyrski
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Patent number: 10007011Abstract: A system for acquisition of tomographic measurement data from measurement signals (S) of positron emission tomography (PET) or single-photon emission computed tomography (SPECT) detectors, the system comprising: a front-end electronic assembly (2) configured to convert the measurement signals (S) into digital and analog signals (DAS); a measurement electronics assembly (3) comprising time to digital converter (TDC) modules (31) configured to determine times (T) of pulses in digital signals (DS).Type: GrantFiled: August 29, 2014Date of Patent: June 26, 2018Assignee: UNIWERSYTET JAGIELLONSKIInventors: Grzegorz Korcyl, Pawel Moskal, Marcin Kajetanowicz, Marek Palka
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Patent number: 9851456Abstract: A tomograph for imaging an interior of an examined object, the tomograph comprising: TOF-PET detection modules configured to register annihilation quanta and deexcitation quanta and a data reconstruction system (103, 203, 303) configured to reconstruct an ortho-positronium to-ps(x,y,z) lifetime image and a probability of production of positronium Ppoz(x,y,z) as a function of position in the imaged object, on the basis of a difference (At) between a time of annihilation (ta) and a time of emission of a deexcitation quantum (te), wherein the TOF-PET detection modules (101, 201, 301) comprise scintillators having a time resolution of less than 100 ps.Type: GrantFiled: August 29, 2014Date of Patent: December 26, 2017Assignee: UNIWERSYTET JAGIELLONSKIInventors: Pawel Moskal, Ines Moskal, Gabriel Moskal
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Patent number: 9804274Abstract: A hybrid TOF-PET/CT tomograph comprising a detection chamber, gamma radiation detectors, X-ray detectors and a movable X-ray source, wherein the gamma radiation detectors (150, 250, 350, 450, 550) and the X-ray detectors (170, 270, 370, 470, 570) surround the detection chamber (102, 202, 302, 402, 502) around the whole perimeter of the detection chamber (102, 202, 302, 402, 502), and wherein the gamma radiation detectors (150, 250, 350, 450, 550) are located closer to the longitudinal axis (115, 215, 315, 415, 515) of the detection chamber (102, 202, 302, 402, 502) than the X-ray detectors (170, 270, 370, 470, 570), and wherein the gamma radiation detectors (150, 250, 350, 450, 550) comprise polymer strips (151, 251, 351, 451, 551) made of a scintillation material having a density lower than the density of the X-ray radiation detectors (171, 271, 371, 471, 571).Type: GrantFiled: August 29, 2014Date of Patent: October 31, 2017Assignee: UNIWERSYTET JAGIELLONSKIInventor: Pawel Moskal
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Patent number: 9804279Abstract: A method for determining parameters of a reaction of a gamma quantum within a scintillator of a PET scanner, comprising transforming a signal measured in the scintillator using at least one converter into an electric measurement signal, wherein the method comprises the steps of: obtaining access to a reference parameters memory (10) comprising reference signals represented in a time-voltage (Wt-v) coordinate system and in a time-amplitude fraction (Wt-f) coordinate system and having associated reaction parameters; sampling the electric measurement signal (S) measured in the time-voltage (PT-V) coordinate system and in the time-amplitude fraction (Pt-f) coordinate system; comparing results of the sampling (PT-V, PM) of the electric measurement signal (S) with the reference signals (Wt-V, Wt-f) and selecting reference shape parameters so that the reference (W) is best fitted to the results of the sampling (PT-V, PM) of the electric measurement signal (S); and determining the parameters of the reaction of the gaType: GrantFiled: August 29, 2014Date of Patent: October 31, 2017Assignee: UNIWERSYTET JAGIELLONSKIInventor: Pawel Moskal
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Patent number: 9804206Abstract: A method for measuring parameters of an analog signal to determine times at which the analog signal (S) crosses predetermined voltage thresholds (VA, VB, VC, VD), the method comprising the steps of: splitting the analog signal (S) into a number of interim signals (SA, SB, SC, SD), the number of the interim signals corresponding to the number of the preset voltage thresholds (VA, VB, VC, VD); providing an FPGA system (10) comprising differential buffers (11 A, 11 B, 11 C, 11 D) with outputs connected to a number of sequences (20A, 20B, 20C, 20D) of delay elements (21, 22, 23), the number of sequences of delay elements corresponding to the number of the preset voltage thresholds (VA, VB, VC, VD); inputting, to an input of each differential buffer (11 A, 11 B, 11 C, 11 D), one interim signal (SA, SB, SC, SD) and a reference voltage corresponding to a particular preset voltage threshold (VA, VB, VC, VD); reading, by means of vector generators (31 A, 31 B, 31 C, 31 D), assigned separately to each of the sequencesType: GrantFiled: August 29, 2014Date of Patent: October 31, 2017Assignee: UNIWERSYTET JAGIELLONSKIInventors: Marek Palka, Pawel Moskal
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Patent number: 9798021Abstract: A method for calibration of TOF-PET detectors comprising polymeric scintillator strips and photoelectric converters, wherein cosmic radiation is used as a source of radiation, the method comprising the steps of: recording times of reactions of particles of cosmic radiation with the scintillator strips (101, 411, 421, 511, 521); determining spectra (301) of distribution of differences in the times at which pulses are recorded at ends of the scintillator strips (101, 411, 421, 511, 521) connected to photoelectric converters (102, 103, 412, 413, 422, 423, 512, 513, 522, 523); using the determined spectra (301) to determine timing synchronization constants of the photoelectric converters (102, 103, 412, 413, 422, 423, 512, 513, 522, 523), the constants being related to: delays within the electronics; speed of light propagation within the scintillator strip of the detection module; and resolution of the difference in times of the signals recorded at the ends of the module.Type: GrantFiled: August 29, 2014Date of Patent: October 24, 2017Assignee: UNIWERSYTET JAGIELLONSKIInventors: Eryk Czerwinski, Pawel Moskal, Michal Silarski
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Publication number: 20170260447Abstract: New composition of polymeric scintillator was revealed, which can be used particularly in medical diagnostics especially in productions of CT scanners, PET scanners and SPECT scanners.Type: ApplicationFiled: June 8, 2015Publication date: September 14, 2017Applicant: Uniwersytet JagiellonskiInventors: Anna Wieczorek, Andrzej Danel, Tomasz Uchacz, Pawel Moskal