Patents by Inventor Aleksey Zemskov
Aleksey Zemskov 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: 11835605Abstract: Various methods and systems are provided for a current trap. In one example, the current trap has a flat core made of a nonconductive material, a coiled wire having a plurality of turns winding around the flat spiral core, and one or more tuning capacitors physically attached to the flat core and electrically connected to the coiled wire to form a resonant circuit with the coiled wire.Type: GrantFiled: December 28, 2021Date of Patent: December 5, 2023Assignee: GE PRECISION HEALTHCARE LLCInventors: Limin Feng, Aleksey Zemskov
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Patent number: 11630173Abstract: Various methods and systems are provided for radio frequency coil units for magnetic resonance imaging. In one example, a radio frequency (RF) coil unit for magnetic resonance imaging (MM) includes an outer layer forming an exterior of the RF coil unit, a pressure reservoir enclosed by the outer layer, wherein the pressure reservoir forms a sealed chamber, and an array of RF coil elements enclosed by the outer layer, wherein the array of RF coil elements is disposed outside of the sealed chamber of the pressure reservoir.Type: GrantFiled: August 20, 2019Date of Patent: April 18, 2023Assignees: GE PRECISION HEALTHCARE LLC, INTERMOUNTAIN INTELLECTUAL ASSET MANAGEMENT, LLCInventors: Limin Feng, Pei Hsuon Chan, Aleksey Zemskov, Jason Lee Philps, Kristen Frederick, Ghazi Mustafa, Michael Oveson
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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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Publication number: 20220155389Abstract: Various methods and systems are provided for a current trap. In one example, the current trap has a flat core made of a nonconductive material, a coiled wire having a plurality of turns winding around the flat spiral core, and one or more tuning capacitors physically attached to the flat core and electrically connected to the coiled wire to form a resonant circuit with the coiled wire.Type: ApplicationFiled: December 28, 2021Publication date: May 19, 2022Inventors: Limin Feng, Aleksey Zemskov
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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: 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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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: 20210055362Abstract: Various methods and systems are provided for radio frequency coil units for magnetic resonance imaging. In one example, a radio frequency (RF) coil unit for magnetic resonance imaging (MM) includes an outer layer forming an exterior of the RF coil unit, a pressure reservoir enclosed by the outer layer, wherein the pressure reservoir forms a sealed chamber, and an array of RF coil elements enclosed by the outer layer, wherein the array of RF coil elements is disposed outside of the sealed chamber of the pressure reservoir.Type: ApplicationFiled: August 20, 2019Publication date: February 25, 2021Inventors: Limin Feng, Pei Hsuon Chan, Aleksey Zemskov, Jason Lee Philps, Kristen Frederick, Ghazi Mustafa, Michael Oveson
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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
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Publication number: 20200348380Abstract: 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: ApplicationFiled: November 20, 2018Publication date: November 5, 2020Inventors: Victor TARACILA, Robert Steven STORMONT, Fraser John Laing ROBB, Aleksey ZEMSKOV
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Publication number: 20200081080Abstract: 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: ApplicationFiled: September 12, 2018Publication date: March 12, 2020Inventors: Aleksey Zemskov, Victor Taracila, Fraser John Laing Robb
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Publication number: 20190369176Abstract: 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: ApplicationFiled: May 31, 2018Publication date: December 5, 2019Inventors: Taylan Dalveren, Victor Taracila, Kolman Juhasz, Aleksey Zemskov, Fraser John Laing Robb, Robert Steven Stormont
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Patent number: 8928450Abstract: A transformer assembly includes a substrate having a first surface and an opposing second surface, a first spiral wound inductive coil formed on the first surface, a second spiral wound inductive coil formed on the first surface, and a third spiral wound inductive coil formed on the first surface, the first, second and third spiral wound inductive coils forming a triple spiral arrangement on the first surface such that the first coil is inductively coupled to the second coil and the third coil. An RF coil including the transformer assembly and a method of fabricating the transformer assembly are also described.Type: GrantFiled: August 9, 2011Date of Patent: January 6, 2015Assignee: General Electric CompanyInventors: Victor Taracila, Fraser Robb, Aleksey Zemskov, Vijayanand Alagappan, Miguel Navarro
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Patent number: 8674799Abstract: A transformer assembly includes a substrate having a first surface and an opposing second surface, a first spiral wound inductive coil formed on the first surface, and a second spiral wound inductive coil formed on the first surface; the first and second spiral wound inductive coils forming a double spiral arrangement on the first surface such that the first coil is inductively coupled to the second coil. An RF coil including the transformer assembly and a method of fabricating the transformer assembly are also described.Type: GrantFiled: June 10, 2010Date of Patent: March 18, 2014Assignee: General Electric CompanyInventors: Victor Taracila, Fraser Robb, Aleksey Zemskov, Vijayanand Alagappan, Miguel Navarro
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Patent number: 8598878Abstract: An inductor assembly includes an electrical conductor having a first end and an opposite second end, and a plurality of turns, each turn having a first lobe and a second lobe, the electrical conductor being formed into a lemniscate shape. A Radio Frequency (RF) coil including the lemniscate shaped inductor and a Magnetic Resonance Imaging (MRI) system including the lemniscate shaped inductor are also described herein.Type: GrantFiled: July 12, 2010Date of Patent: December 3, 2013Assignee: General Electric CompanyInventors: Victor Taracila, Fraser J. L. Robb, Aleksey Zemskov
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Patent number: 8427159Abstract: A balun assembly includes a body portion having an opening extending therethrough, the opening sized to receive at least one radio-frequency (RF) cable therethrough, the RF cable transmitting a signal therethrough a signal having a wavelength, and a balun disposed within the body portion, the balun being folded to form a plurality of layers, the combined length of the layers being approximately equal to a quarter wavelength of the signal transmitted through the RF cable. A method of fabricating a balun assembly and an MRI system including a balun are also provided.Type: GrantFiled: May 3, 2010Date of Patent: April 23, 2013Assignee: General Electric CompanyInventors: Victor Taracila, Fraser Robb, Aleksey Zemskov, Vijayanand Alagappan
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Patent number: 8179137Abstract: Systems and devices for transmitting radio frequency signals to and from radio frequency coils in magnetic resonance imaging systems are provided. In one embodiment, a balun for blocking induced radio frequency current on ground conductors of a multi-layer signal carrier includes first and second insulative elements disposed on first and second sides of the signal carrier, respectively, a conductive layer partially surrounding ends of each insulative element with a central region of each insulative element not surrounded by the respective conductive layer, first and second capacitive circuits coupled to the conductive layers of each respective insulative element in the central region thereof, vias extending through the signal carrier, and conductive material disposed in the vias electrically coupling a conductive layer on respective ends of the first and second elements with one another and with the ground conductors.Type: GrantFiled: March 31, 2009Date of Patent: May 15, 2012Assignee: General Electric CompanyInventors: Limin Feng, Dan Kenrick Spence, Gene Laurich, Aleksey Zemskov, Kolman Juhasz
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Publication number: 20120007601Abstract: An inductor assembly includes an electrical conductor having a first end and an opposite second end, and a plurality of turns, each turn having a first lobe and a second lobe, the electrical conductor being formed into a lemniscate shape. A Radio Frequency (RF) coil including the lemniscate shaped inductor and a Magnetic Resonance Imaging (MRI) system including the lemniscate shaped inductor are also described herein.Type: ApplicationFiled: July 12, 2010Publication date: January 12, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: VICTOR TARACILA, FRASER ROBB, ALEKSEY ZEMSKOV