Patents by Inventor Hendrik Roelofs
Hendrik Roelofs 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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Patent number: 11986339Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a lateral position (LAPTOFSmax, ?IPA) of the ultrasound transducer (15) respective the image plane (12) based on a time of flight (TOFSmax) of a maximum detected intensity (ISmax) ultrasound signal. The position determination unit (PDU) also computes an out-of-plane distance (Dop) between the ultrasound transducer (15) and the image plane (12).Type: GrantFiled: August 2, 2019Date of Patent: May 21, 2024Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Mischa Megens, Hendrik Roelof Stapert, Mustafa Hakan Gokgurler, Stefan Van De Pas, Jeroen Kortsmit, Franciscus Hendrikus Van Heesch, Harm Jan Willem Belt, Ameet Kumar Jain, Kunal Vaidya
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Patent number: 11872075Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a position (LAPTOFSmax, ?IPA) of the ultrasound transducer (15) respective the image plane (12). The position determination unit (PDU) indicates the computed position (LAPTOFSmax, ?IPA) in the reconstructed ultrasound image (RUI). The position determination unit (PDU) suppresses the indication of the computed position (LAPTOFSmax, ?IPA) under specified conditions relating to the computed position (LAPTOFSmax, ?IPA) and the ultrasound signals.Type: GrantFiled: August 7, 2019Date of Patent: January 16, 2024Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Mischa Megens, Hendrik Roelof Stapert, Mustafa Hakan Gokgurler, Stefan Van De Pas, Jeroen Kortsmit, Franciscus Hendrikus Van Heesch, Harm Jan Willem Belt, Ameet Kumar Jain, Kunal Vaidya, Francois Guy Gerard Marie Vignon
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Patent number: 11633171Abstract: The present invention relates to an ultrasound-based system for localizing a medical device within the field of view of an ultrasound imaging probe. A localization system is provided that includes at least three ultrasound emitters that are arranged on a frame; and a position triangulation unit. The frame is adapted for attachment to an ultrasound imaging probe. The position triangulation unit determines a spatial position of the ultrasound detector relative to the at least three ultrasound emitters based on signals received from an ultrasound detector that is attached to the medical device. The frame includes a detachable reference volume comprising a background volume and an inclusion or void.Type: GrantFiled: July 8, 2022Date of Patent: April 25, 2023Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Stefan Van De Pas, Hendrik Roelof Stapert
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Patent number: 11604249Abstract: The present invention relates to an apparatus for tracking a position of an interventional device respective an image plane of an ultrasound field. The position includes an out-of-plane distance (Dop). A geometry-providing unit (GPU) includes a plurality of transducer-to-distal-end lengths (Ltde1 . . . n), each length corresponding to a predetermined distance (Ltde) between a distal end of an interventional device and an ultrasound detector attached to the interventional device, for each of a plurality of interventional device types (T1 . . . n). An image fusion unit (IFU) receives data indicative of the type (T) of the interventional device being tracked; and based on the type (T): selects from the geometry-providing unit (GPU), a corresponding transducer-to-distal-end length (Ltde); and indicates in a reconstructed ultrasound image (RUI) both the out-of-plane distance (Dop) and the transducer-to-distal-end length (Ltde) for the interventional device within the ultrasound field.Type: GrantFiled: February 17, 2022Date of Patent: March 14, 2023Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Hendrik Roelof Stapert, Carina Snuder, Ameet Kumar Jain, Willem-Jan Arend De Wijs
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Publication number: 20230031014Abstract: A controller (240/340) for simultaneously tracking multiple interventional medical devices includes a memory (242/342) that stores instructions and a processor (241/341) that executes the instructions. When executed by the processor (241/341), the instructions cause the controller to execute a process that includes receiving timing information from a first signal emitted from an ultrasound probe (252/352) and reflective of timing when the ultrasound probe (252/352) transmits ultrasound beams to generate ultrasound imagery. The process executed by the controller also includes forwarding the timing information to be available for use by a first acquisition electronic component (232/332). The first acquisition electronic component (232/332) also receives sensor information from a first passive ultrasound sensor (S1) on a first interventional medical device (212/312).Type: ApplicationFiled: October 13, 2022Publication date: February 2, 2023Inventors: RAMON QUIDO ERKAMP, HENDRIK ROELOF STAPERT, GUNTHER LAMPARTER, AMEET KUMAR JAIN, ALVIN CHEN, SHYAM BHARAT, KUNAL VAIDYA, FRANCOIS GUY GERARD MARIE VIGNON
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Publication number: 20220361961Abstract: The invention provides an ultrasound system comprising an ultrasound probe, adapted to transmit and receive ultrasound signals, and an interventional device for insertion into a vessel of a subject. The interventional device includes an ultrasound transducer adapted to acquire a first set of ultrasound data at a first ultrasound frequency, wherein the first set of ultrasound data relates to flow data. The ultrasound system is further adapted exchange a second set of ultrasound data between the ultrasound probe and the interventional device at a second ultrasound frequency different from the first ultrasound frequency, wherein the second ultrasound data relates to interventional device positioning data.Type: ApplicationFiled: October 27, 2020Publication date: November 17, 2022Inventors: Arjen VAN DER HORST, Hendrik Roelof STAPERT
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Patent number: 11497563Abstract: A controller (240/340) for simultaneously tracking multiple interventional medical devices includes a memory (242/342) that stores instructions and a processor (241/341) that executes the instructions. When executed by the processor (241/341), the instructions cause the controller to execute a process that includes receiving timing information from a first signal emitted from an ultrasound probe (252/352) and reflective of timing when the ultrasound probe (252/352) transmits ultrasound beams to generate ultrasound imagery. The process executed by the controller also includes forwarding the timing information to be available for use by a first acquisition electronic component (232/332). The first acquisition electronic component (232/332) also receives sensor information from a first passive ultrasound sensor (S1) on a first interventional medical device (212/312).Type: GrantFiled: June 6, 2019Date of Patent: November 15, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Ramon Quido Erkamp, Hendrik Roelof Stapert, Gunther Lamparter, Ameet Kumar Jain, Alvin Chen, Shyam Bharat, Kunal Vaidya, Francois Guy Gerard Marie Vignon
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Publication number: 20220346752Abstract: The present invention relates to an ultrasound-based system for localizing a medical device within the field of view of an ultrasound imaging probe. A localization system is provided that includes at least three ultrasound emitters that are arranged on a frame; and a position triangulation unit. The frame is adapted for attachment to an ultrasound imaging probe. The position triangulation unit determines a spatial position of the ultrasound detector relative to the at least three ultrasound emitters based on signals received from an ultrasound detector that is attached to the medical device. The frame includes a detachable reference volume comprising a background volume and an inclusion or void.Type: ApplicationFiled: July 8, 2022Publication date: November 3, 2022Inventors: Stefan VAN DE PAS, Hendrik Roelof STAPERT
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Publication number: 20220330914Abstract: A steerable multi-plane ultrasound imaging system (MPUIS) for steering a plurality of intersecting image planes (PL1 . . . n) of a beamforming ultrasound imaging probe (BUIP) based on ultrasound signals transmitted between the beamforming ultrasound imaging probe (BUIP) and an ultrasound transducer (S) disposed within a field of view (FOV) of the probe (BUIP). An ultrasound tracking system (UTS) causes the beamforming ultrasound imaging probe (BUIP) to adjust an orientation of the first image plane (PL1) such that a first image plane passes through a position (POS) of the ultrasound transducer (S) by maximizing a magnitude of ultrasound signals transmitted between the beamforming ultrasound imaging probe (BUIP) and the ultrasound transducer (S). An orientation of a second image plane (PL2) is adjusted such that an intersection (AZ) between the first image plane and the second image plane passes through the position of the ultrasound transducer (S).Type: ApplicationFiled: August 11, 2020Publication date: October 20, 2022Inventors: Alvin CHEN, Kunal VAIDYA, Alyssa TORJESEN, Sibo LI, Ramon Quido ERKAMP, Shyam BHARAT, Molly Lara FLEXMAN, Ameet Kumar JAIN, Hendrik Roelof STAPERT, Vincentius Paulus BUIL, Njin-Zu CHEN, Ralph Theodorus Hubertus MAESSEN, Niels NIJHOF, Elise Claude Valentine TALGORN
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Patent number: 11464584Abstract: An interventional device includes an elongate shaft and a transducer strip. The transducer strip includes a first edge and an opposing second edge. The first edge and the second edge are separated by a width dimension, and the first edge and the second edge each extend along a length direction of the transducer strip. The transducer strip also includes a piezoelectric transducer that extends along a transducer direction that forms an acute angle with respect to the length direction. The transducer strip is wrapped in the form of a spiral around the elongate shaft of the interventional device such that the piezoelectric transducer forms a band around the elongate shaft. The width dimension is defined such that the adjacent first and second edges of consecutive turns of the spiral abut or overlap one another.Type: GrantFiled: February 3, 2019Date of Patent: October 11, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Willem-Jan Arend De Wijs, Cornelis Gerardus Visser, Hendrik Roelof Stapert, Johannes Wilhelmus Weekamp, Gerardus Franciscus Cornelis Maria Lijten, Eric Franciscus Johannes Claessens
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Publication number: 20220304650Abstract: The present invention relates to a system for indicating a position of an interventional device feature (11a) of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (18) of a beamforming ultrasound imaging system (15) in which the position of the interventional device feature (11a) is determined based on ultrasound signals transmitted between the ultrasound imaging probe (18) and an ultrasound transducer (16) attached to the interventional device at a predetermined distance (Lp) from the interventional device feature (11a). An icon providing unit (IPU) provides a first icon (Cde) indicative of a circular zone with a radius corresponding to the predetermined distance (Lp). The first icon (Cde) is displayed in a fused image that includes a reconstructed ultrasound image (RUI) from the beamforming ultrasound imaging system.Type: ApplicationFiled: June 16, 2022Publication date: September 29, 2022Inventors: Hendrik Roelof STAPERT, Mustafa Hakan GÖKGÜRLER, Jeroen KORTSMIT, Stefan VAN DE PAS
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Patent number: 11413011Abstract: The present invention relates to an ultrasound-based system for localizing a medical device within the field of view of an ultrasound imaging probe. A localization system is provided that includes at least three ultrasound emitters that are arranged on a frame; and a position triangulation unit. The frame is adapted for attachment to an ultrasound imaging probe. The position triangulation unit determines a spatial position of the ultrasound detector relative to the at least three ultrasound emitters based on signals received from an ultrasound detector that is attached to the medical device. The frame includes a detachable reference volume comprising a background volume and an inclusion or void.Type: GrantFiled: December 13, 2016Date of Patent: August 16, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Stefan Van De Pas, Hendrik Roelof Stapert
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Patent number: 11369340Abstract: The present invention relates to a system for indicating a position of an interventional device feature (11a) of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (18) of a beamforming ultrasound imaging system (15) in which the position of the interventional device feature (11a) is determined based on ultrasound signals transmitted between the ultrasound imaging probe (18) and an ultrasound transducer (16) attached to the interventional device at a predetermined distance (Lp) from the interventional device feature (11a). An icon providing unit (IPU) provides a first icon (Cde) indicative of a circular zone with a radius corresponding to the predetermined distance (Lp). The first icon (Cde) is displayed in a fused image that includes a reconstructed ultrasound image (RUI) from the beamforming ultrasound imaging system.Type: GrantFiled: September 29, 2017Date of Patent: June 28, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Hendrik Roelof Stapert, Mustafa Hakan Gökgürler, Jeroen Kortsmit, Stefan Van De Pas
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Publication number: 20220196789Abstract: The present invention relates to an apparatus for tracking a position of an interventional device respective an image plane of an ultrasound field. The position includes an out-of-plane distance (Dop). A geometry-providing unit (GPU) includes a plurality of transducer-to-distal-end lengths (Ltde1 . . . n), each length corresponding to a predetermined distance (Ltde) between a distal end of an interventional device and an ultrasound detector attached to the interventional device, for each of a plurality of interventional device types (T1 . . . n). An image fusion unit (IFU) receives data indicative of the type (T) of the interventional device being tracked; and based on the type (T): selects from the geometry-providing unit (GPU), a corresponding transducer-to-distal-end length (Ltde); and indicates in a reconstructed ultrasound image (RUI) both the out-of-plane distance (Dop) and the transducer-to-distal-end length (Ltde) for the interventional device within the ultrasound field.Type: ApplicationFiled: February 17, 2022Publication date: June 23, 2022Inventors: Hendrik Roelof STAPERT, Carina SNIJDER, Ameet Kumar JAIN, Willem-Jan Arend DE WIJS
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Patent number: 11275150Abstract: The present invention relates to an apparatus (10) for tracking a position of an interventional device (11) respective an image plane (12) of an ultrasound field. The position includes an out-of-plane distance (Dop). A geometry-providing unit (GPU) includes a plurality of transducer-to-distal-end lengths (Ltde1 . . . n), each length corresponding to a predetermined distance (Ltde) between a distal end (17, 47) of an interventional device (11, 41) and an ultrasound detector (16, 46) attached to the interventional device, for each of a plurality of interventional device types (T1 . . . N).Type: GrantFiled: December 2, 2016Date of Patent: March 15, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Hendrik Roelof Stapert, Carina Snijder, Ameet Kumar Jain, Willem-Jan Arend De Wijs
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Publication number: 20210378758Abstract: An acoustic imaging apparatus and method receive a sensor signal from a passive sensor disposed on a surface of an intervention device which is disposed in an area of interest, wherein the passive sensor is located at a fixed distance from the tip of the intervention device. A processor is configured to ascertain an estimated range of locations of the tip of the intervention device in an image plane by using the sensor signal and an estimated effective distance, projected onto the image plane, from the passive sensor to the tip of the intervention device.Type: ApplicationFiled: October 22, 2019Publication date: December 9, 2021Inventors: Kunal VAIDYA, Ameet Kumar JAIN, Hendrik Roelof STAPERT, Ramon Quido ERKAMP, Shyam BHARAT, Alvin CHEN
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Publication number: 20210361359Abstract: A controller for determining orientation of an interventional medical device includes a memory that stores instructions, and a processor that executes the instructions. When executed by the processor, the instructions cause the controller to execute a process that includes controlling emission, by an ultrasound probe, of multiple beams each at a different combination of time of emission and angle of emission relative to the ultrasound probe. The process also includes determining, based on receipt of a response to a subset of the multiple beams at a sensor at a location on the interventional medical device, the combination of time of emission and angle of emission relative to the ultrasound probe of one of the subset of the multiple beams. The process also includes determining orientation of the interventional medical device based on the time of emission and angle of emission relative to the ultrasound probe of the one the subset of the multiple beams.Type: ApplicationFiled: June 11, 2019Publication date: November 25, 2021Inventors: RAMON QUIDO ERKAMP, HENDRIK ROELOF STAPERT, GUNTHER LAMPARTER, AMEET KUMAR JAIN, ALVIN CHEN, SHYAM BHARAT, KUNAL VAIDYA, FRANCOIS GUY GERARD MARIE VIGNON
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Publication number: 20210321977Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a position (LAPTOFSmax, ?IPA) of the ultrasound transducer (15) respective the image plane (12). The position determination unit (PDU) indicates the computed position (LAPTOFSmax, ?IPA) in the reconstructed ultrasound image (RUI). The position determination unit (PDU) suppresses the indication of the computed position (LAPTOFSmax, ?IPA) under specified conditions relating to the computed position (LAPTOFSmax, ?IPA) and the ultrasound signals.Type: ApplicationFiled: August 7, 2019Publication date: October 21, 2021Inventors: Mischa MEGENS, Hendrik Roelof STAPERT, Mustafa Hakan GOKGURLER, Stefan VAN DE PAS, Jeroen KORTSMIT, Franciscus Hendrikus VAN HEESCH, Harm Jan Willem BELT, Ameet Kumar JAIN, Kunal VAIDYA, Francois Guy Gerard Marie VIGNON
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Publication number: 20210307717Abstract: System (10) for determining a position of an interventional device (11) respective an image plane (12) defined by an ultrasound imaging probe (13). The position is determined based on ultrasound signals transmitted between the ultrasound imaging probe (13) and an ultrasound transducer (15) attached to the interventional device (11). An image reconstruction unit (IRU) provides a reconstructed ultrasound image (RUI). A position determination unit (PDU) computes a lateral position (LAPTOFSmax, ?IPA) of the ultrasound transducer (15) respective the image plane (12) based on a time of flight (TOFSmax) of a maximum detected intensity (ISmax) ultrasound signal. The position determination unit (PDU) also computes an out-of-plane distance (Dop) between the ultrasound transducer (15) and the image plane (12).Type: ApplicationFiled: August 2, 2019Publication date: October 7, 2021Inventors: Mischa MEGENS, Hendrik Roelof STAPERT, Mustafa Hakan GOKGURLER, Stefan VAN DE PAS, Jeroen KORTSMIT, Franciscus Hendrikus VAN HEESCH, Harm Jan Willem BELT, Ameet Kumar JAIN, Kunal VAIDYA
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Publication number: 20210307716Abstract: An interventional device (100, 200, 300) includes an elongate shaft (101) having a longitudinal axis A-A?, an ultrasound transducer (102), an adhesive layer (103), and a protective tube (104) formed from a protective tube (104) formed from a heat-shrink material. The ultrasound transducer (102) is disposed on the elongate shaft (101) such that the ultrasound transducer (102) has an axial extent L along the longitudinal axis A-A?, At least along the axial extent L of the adhesive layer (103) is disposed between the ultrasound transducer (102) and the protective tube (104) surrounds the ultrasound transducer (102) and the adhesive layer (103) is disposed between the ultrasound transducer (102) and the protective tube (104).Type: ApplicationFiled: August 7, 2019Publication date: October 7, 2021Inventors: Hendrik Roelof STAPERT, Gerardus Franciscus Cornelis Maria LIJTEN, Willem-Jan Arend DE WIJS, Yuichi SHIBAYAMA, Mathias THORENZ