Patents by Inventor Fraser John Laing Robb
Fraser John Laing Robb 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: 20240012073Abstract: A radio frequency (RF) receiving coil assembly for a magnetic resonance imaging (MRI) system includes a flexible enclosure. The RF receiving coil assembly also includes an RF coil disposed within the flexible enclosure, wherein the RF coil comprises a plurality of flexible loops having a malleable conductor. The RF receiving coil assembly further includes at least one cutout in the flexible enclosure located outside an area where the RF coil is disposed within the flexible enclosure. The at least one cutout is configured to provide a handle for handling the RF receiving coil assembly.Type: ApplicationFiled: July 6, 2022Publication date: January 11, 2024Inventors: Monica Marie Brickler, Daniel Rajan Chirayath, Nabeel Manzar Malik, Fraser John Laing Robb, Christopher Lee Siverly, Zachery Kevin Steck, Janelle Teri Warrick, Jana Michelle Vincent, Meghan Evelyn Blanks
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Publication number: 20230341487Abstract: A wireless coil adaptor includes a first plug connector configured to be inserted within a receptacle connector of an MRI system, the receptacle connector being configured for receiving a second plug connector of a wired radio frequency (RF) coil. The wireless coil adaptor also includes a wireless communication module configured to wirelessly communicate with a wireless RF coil.Type: ApplicationFiled: April 25, 2022Publication date: October 26, 2023Inventors: Gustavo Andres Chacon Rojas, Mark Giancola, Fraser John Laing Robb, Jana Michelle Vincent, Clyve Konrad Rosales Follante
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Patent number: 11747416Abstract: A preamplifier arrangement for an MRI system includes a preamplifier coupled to a loop of a multi-channel coil array of the MRI system, wherein the preamplifier and the loop are subject to potentially form an unstable system with oscillation at one or more peak frequencies. The preamplifier arrangement also includes an impedance matching network disposed between and coupled to the preamplifier and the loop. The impedance matching network is configured to generate a high blocking impedance. The preamplifier arrangement further includes an input network disposed between and coupled to the preamplifier and the loop. The input network is configured to provide an input to suppress gain at the one or more peak frequencies.Type: GrantFiled: April 8, 2022Date of Patent: September 5, 2023Assignee: GE Precision Healthcare LLCInventors: Robert Steven Stormont, Victor Taracila, Fraser John Laing Robb, Thomas Grafendorfer, Louis Jay Vannatta, Yun-Jeong Stickle
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Publication number: 20230266414Abstract: A radio frequency (RF) multistage receiving coil assembly for a magnetic resonance imaging (MRI) system is provided. The RF multistage receiving coil assembly includes a plurality of RF coils, wherein each RF coil of the plurality of RF coils includes a plurality of flexible loops having a malleable conductor. The RF multistage receiving coil also includes a plurality of flexible enclosures, wherein a respective RF coil of the plurality of RF coils is disposed within a respective flexible enclosure of the plurality of flexible enclosures. The RF multistage receiving coil assembly is configured to be adjusted and disposed about an extremity of a subject to enable functional imaging of the extremity with the MRI system.Type: ApplicationFiled: February 23, 2022Publication date: August 24, 2023Inventors: Taylan Dalveren, Robert Clinton Rainey, Victor Taracila, Fraser John Laing Robb, Jana Michelle Vincent
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Publication number: 20230251335Abstract: An RF receiving coil assembly for a magnetic resonance imaging system includes a flexible enclosure. The RF coil assembly also includes an RF coil enclosed within the flexible enclosure. The RF coil includes a plurality of loops, each loop of the plurality of loops having a same perimeter.Type: ApplicationFiled: April 6, 2023Publication date: August 10, 2023Inventors: Victor Taracila, Robert Steven Stormont, Ravi Shankar Jaiswal, Fraser John Laing Robb, Ramesh Venkatesan, Emily Rose Long, Jana Michelle Vincent
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Patent number: 11719775Abstract: An RF receiving coil assembly for a magnetic resonance imaging system includes a flexible enclosure. The RF coil assembly also includes an RF coil enclosed within the flexible enclosure. The RF coil includes a plurality of loops, each loop of the plurality of loops having a same perimeter.Type: GrantFiled: January 28, 2022Date of Patent: August 8, 2023Assignee: GE Precision Healthcare LLCInventors: Victor Taracila, Robert Steven Stormont, Ravi Shankar Jaiswal, Fraser John Laing Robb, Ramesh Venkatesan, Emily Rose Long, Jana Michelle Vincent
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Publication number: 20230243904Abstract: An RF receiving coil assembly for a magnetic resonance imaging system includes a flexible enclosure. The RF coil assembly also includes an RF coil enclosed within the flexible enclosure. The RF coil includes a plurality of loops, each loop of the plurality of loops having a same perimeter.Type: ApplicationFiled: January 28, 2022Publication date: August 3, 2023Inventors: Victor Taracila, Robert Steven Stormont, Ravi Shankar Jaiswal, Fraser John Laing Robb, Ramesh Venkatesan, Emily Rose Long, Jana Michelle Vincent
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Patent number: 11519979Abstract: Various systems and methods are provided for radio frequency coil assemblies for a magnetic resonance imaging system. In one example, a method comprises: flowing air through a plurality of airflow passages formed in a radio frequency (RF) coil assembly for a magnetic resonance imaging (MRI) system; and receiving magnetic resonance (MR) signals from an RF coil array of the RF coil assembly, wherein the RF coil array comprises a plurality of RF coil elements, each RF coil element having a loop portion which comprises two distributed capacitance wire conductors encapsulated and separated by a dielectric material.Type: GrantFiled: February 27, 2019Date of Patent: December 6, 2022Assignee: GE Precision Healthcare LLCInventors: Hilary Shuo Qin, Eduardo De Leon, Fraser John Laing Robb, Andrea Nicole Sajewski, Ceara Delmore Stack, Louis Jay Vannatta, Mark Giancola, Victor Taracila
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Patent number: 11460525Abstract: Various methods and systems are provided for a flexible, lightweight, and low-cost radio frequency (RF) trap for use in a magnetic resonance imaging (MRI) system. In one example, a radio frequency (RF) trap assembly for use in a magnetic resonance imaging (MRI) system is provided, comprising a twinax wire assembly having a plurality of looped portions, each ones of the plurality of looped portions tangentially in contact with a shielded cable, and at least one support structure for substantially maintaining the shape of the plurality of looped portions, the support structure surrounding a portion of the shielded cable, wherein the twinax wire assembly is tuned to a frequency suitable for increasing the impedance of the shielded cable.Type: GrantFiled: February 12, 2020Date of Patent: October 4, 2022Assignee: GE PRECISION HEALTHCARE LLCInventors: Victor Taracila, Fraser John Laing Robb, Aleksey Zemskov, David Louis Seamon Anderson
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Patent number: 11428762Abstract: Various methods and systems are provided for a flexible, lightweight, and lowcost radio frequency (RF) coil of a magnetic resonance imaging (MRI) system. In one example, a RF coil assembly for an MRI system includes a distributed capacitance loop portion comprising at least three distributed capacitance conductor wires encapsulated and separated by a dielectric material, a coupling electronics portion including a preamplifier, and a coil-interfacing cable extending between the coupling electronics portion and an interfacing connector of the RF coil assembly.Type: GrantFiled: November 20, 2018Date of Patent: August 30, 2022Assignee: General Electric CompanyInventors: Victor Taracila, Robert Steven Stormont, Fraser John Laing Robb, Aleksey Zemskov
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Patent number: 11360168Abstract: Various systems are provided for neck radio frequency (RF) coil assemblies for a magnetic resonance imaging (MRI) system. In one example, a neck RF coil assembly includes a central RF coil array including a first plurality of RF coils configured to cover a neck of a subject to be imaged, an upper RF coil array including a second plurality of RF coils extending upward from the central RF coil array and configured to cover a lower head region of the subject, and a lower RF coil array including a third plurality of RF coils extending downward from the central RF coil array and configured to cover an upper shoulder region of the subject, wherein each RF coil of the first, second, and third pluralities of RF coils comprises a loop portion comprising two distributed capacitance wire conductors encapsulated and separated by a dielectric material.Type: GrantFiled: November 21, 2018Date of Patent: June 14, 2022Assignee: General Electric CompanyInventors: Victor Taracila, Balint Franko, Mark Giancola, Yun-Jeong Stickle, Clyve Konrad Rosales Follante, Fraser John Laing Robb
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Patent number: 11307274Abstract: Various methods and systems are provided for radio frequency (RF) coils for magnetic resonance imaging (MRI). In one embodiment, a radio frequency coil assembly for a magnetic resonance imaging system includes: a flexible spine; and at least two RF coil sections each coupled to the flexible spine and movable relative to each other, each RF coil section comprising at least one flexible RF coil, each RF coil including a loop portion comprising a coupling electronics portion and at least two parallel, distributed capacitance wire conductors encapsulated and separated by a dielectric material.Type: GrantFiled: June 6, 2018Date of Patent: April 19, 2022Assignee: General Electric CompanyInventors: Ceara Delmore Stack, Victor Taracila, Fraser John Laing Robb
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Patent number: 11280859Abstract: Various methods and systems are provided for radio frequency (RF) coils for magnetic resonance imaging (MRI). In one embodiment, an RF coil assembly for an MRI system includes a posterior end including a first set of flexible RF coils; an anterior end including a second set of flexible RF coils; a central section extending between the posterior end and anterior end, wherein the posterior end and the anterior end are bendable to the central section. Each flexible RF coil of the first set and second set of flexible RF coils includes a loop portion comprising a coupling electronics portion and at least two parallel, distributed capacitance wire conductors encapsulated and separated by a dielectric material.Type: GrantFiled: May 31, 2018Date of Patent: March 22, 2022Assignee: General Electric CompanyInventors: Taylan Dalveren, Victor Taracila, Kolman Juhasz, Aleksey Zemskov, Fraser John Laing Robb, Robert Steven Stormont
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Patent number: 11280858Abstract: Various methods and systems are provided for a flexible, lightweight, and low-cost radio frequency (RF) coil of a magnetic resonance imaging (MRI) system. In one example, a RF coil assembly for an MRI system includes a distributed capacitance loop portion comprising two parallel conductor wires encapsulated and separated by a dielectric material, the two parallel conductor wires maintained separate by the dielectric material along an entire length of the loop portion between terminating ends thereof, a coupling electronics portion including a pre-amplifier, and a coil-interfacing cable extending between the coupling electronics portion and an interfacing connector of the RF coil assembly.Type: GrantFiled: November 22, 2017Date of Patent: March 22, 2022Assignee: General Electric CompanyInventors: Robert Steven Stormont, Scott Allen Lindsay, Victor Taracila, Ghazi Mustafa, Nabeel M. Malik, Fraser John Laing Robb, Dashen Chu
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Patent number: 11243282Abstract: Various methods and systems are provided for a current trap. In one example, the current trap has a spiral core made of a nonconductive material, a coiled wire having a plurality of turns wound around the spiral core, and one or more tuning capacitors physically attached to the spiral core and electrically connected to the coiled wire to form a resonance circuitry with the coiled wire.Type: GrantFiled: September 20, 2019Date of Patent: February 8, 2022Assignee: GE Precision Healthcare LLCInventors: Aleksey Zemskov, Victor Taracila, Taylan Dalveren, Fraser John Laing Robb, Limin Feng
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Publication number: 20210247475Abstract: Various methods and systems are provided for a flexible, lightweight, and low-cost radio frequency (RF) trap for use in a magnetic resonance imaging (MRI) system. In one example, a radio frequency (RF) trap assembly for use in a magnetic resonance imaging (MRI) system is provided, comprising a twinax wire assembly having a plurality of looped portions, each ones of the plurality of looped portions tangentially in contact with a shielded cable, and at least one support structure for substantially maintaining the shape of the plurality of looped portions, the support structure surrounding a portion of the shielded cable, wherein the twinax wire assembly is tuned to a frequency suitable for increasing the impedance of the shielded cable.Type: ApplicationFiled: February 12, 2020Publication date: August 12, 2021Inventors: Victor Taracila, Fraser John Laing Robb, Aleksey Zemskov, David Louis Seamon Anderson
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Patent number: 10983185Abstract: Methods and systems are provided for radio frequency (RF) coils for magnetic resonance imaging (MRI) systems. In one embodiment, a system comprises: a radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system, including: a flexible shell including an inner layer; and a plurality of flexible RF coils embedded within the inner layer, with each RF coil of the plurality of RF coils including two distributed capacitance wire conductors. In this way, the RF coil array may deform in order to conform to a body of a patient.Type: GrantFiled: November 15, 2018Date of Patent: April 20, 2021Assignee: General Electric CompanyInventors: Ceara Delmore Stack, Fraser John Laing Robb, Victor Taracila, Robert Steven Stormont, Luke Charles Smith
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Publication number: 20210088609Abstract: Various methods and systems are provided for a current trap. In one example, the current trap has a spiral core made of a nonconductive material, a coiled wire having a plurality of turns wound around the spiral core, and one or more tuning capacitors physically attached to the spiral core and electrically connected to the coiled wire to form a resonance circuitry with the coiled wire.Type: ApplicationFiled: September 20, 2019Publication date: March 25, 2021Inventors: Aleksey Zemskov, Victor Taracila, Taylan Dalveren, Fraser John Laing Robb, Limin Feng
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Publication number: 20200408860Abstract: Various methods and systems are provided for radio frequency (RF) coils for magnetic resonance imaging (MRI). In one embodiment, an RF coil assembly for an MRI system includes a first end including a first set of flexible RF coil elements having a first shape, a second end including a second set of flexible RF coil elements having the first shape, and a central section extending between the first end and the second end and including a saddle shaped RF coil element. The first and second ends are bendable to the central section and the saddle shaped RF coil element is a different shape than the first shape. The saddle shaped RF coil element and each RF coil element of the first and second sets of RF coil elements includes a coupling electronics portion and at least two parallel, distributed capacitance wire conductors encapsulated and separated by a dielectric material.Type: ApplicationFiled: June 26, 2019Publication date: December 31, 2020Inventors: Victor Taracila, Mark Giancola, Fraser John Laing Robb, Balint Franko, Clyve Konrad Rosales Follante, Yun Jeong Stickle
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Patent number: 10877115Abstract: Various methods and systems are provided for a flexible, lightweight, and low-cost radio frequency (RF) coil of a magnetic resonance imaging (MM) system with reduced power dissipation during decoupling. In one example, the RF coil includes a loop portion with distributed capacitance which comprises two conductor wires encapsulated and separated by a dielectric material and a feed board including a decoupling circuit configured to decouple the distributed capacitance of the loop portion during a transmit operation, an impedance inverter circuit, and a pre-amplifier.Type: GrantFiled: September 12, 2018Date of Patent: December 29, 2020Assignee: General Electric CompanyInventors: Aleksey Zemskov, Victor Taracila, Fraser John Laing Robb