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公开(公告)号：US20230218205A1
公开(公告)日：2023-07-13
申请号：US18120750
申请日：2023-03-13
Applicant: MEDICAL WIRELESS SENSING LTD.
Inventor： Georgios Palikaras , Efthymios Kallos , Helena Cano Garcia
CPC classification number: H01P1/00 , H01Q1/273 , A61B5/14532 , A61B5/053 , A61B2562/164 , A61B2090/061
Abstract: A sensor measurement device includes: an impedance analyzer to determine an impedance of a sample; a first antenna configured to generate electromagnetic radiation having a first wavelength; an impedance-matching device, positioned in a radiation path between the first antenna and the sample, to receive the electromagnetic radiation from the first antenna and transmit electromagnetic radiation of the first wavelength into the sample, the impedance-matching device comprising a metasurface including: a substrate having a thickness no greater than the first wavelength of the electromagnetic radiation; and a plurality of elements supported by the substrate, wherein: the plurality of elements are spaced apart from one another across the substrate, each element has a first dimension no greater than the first wavelength of the electromagnetic radiation, and at least two elements of the plurality of elements differ in one or more of shape or size; and a second antenna configured to receive the electromagnetic radiation from the sample.
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公开(公告)号：US11298052B2
公开(公告)日：2022-04-12
申请号：US15121364
申请日：2015-02-26
Applicant: Medical Wireless Sensing Ltd
Inventor： Georgios Palikaras , Efthymios Kallos , Helena Cano Garcia
IPC: A61B5/0507 , A61B5/053 , G02B1/00 , A61B5/145 , A61B5/1455
Abstract: There is provided a device arranged to couple electromagnetic radiation into or out of a biological material. The device comprises a first metamaterial comprising: a substrate component having a thickness no greater than a first wavelength of the electromagnetic radiation; and a plurality of elements supported by the substrate component, wherein each element has a first dimension no greater than a first wavelength of the electromagnetic radiation and at least two of the elements of the plurality of elements are non-identical.
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Patent Agency Ranking
3.发明授权公开(公告)号：US11693069B2
公开(公告)日：2023-07-04
申请号：US17265384
申请日：2019-08-01
Applicant: Medical Wireless Sensing Ltd
Inventor： Efthymios Kallos , Shimul Chandra Saha
IPC: G01R33/36 , A61B5/055 , G01R33/28 , G01R33/3415
CPC classification number: G01R33/3607 , A61B5/055 , G01R33/288 , G01R33/3415
Abstract: The present disclosure is directed to a device and a magnetic resonance system for concentrating a magnetic field of radio frequency signals, and methods for concentrating a magnetic field of as radio frequency signal in an object to be imaged.
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4.发明申请公开(公告)号：US20210293914A1
公开(公告)日：2021-09-23
申请号：US17265384
申请日：2019-08-01
Applicant: Medical Wireless Sensing Ltd
Inventor： Efthymios Kallos , Shimul Chandra Saha
IPC: G01R33/36 , G01R33/28 , G01R33/3415 , A61B5/055
Abstract: Disclosed herein is a device for concentrating a magnetic field of RF signals in an MR system, MR systems comprising the same, and methods for concentrating a magnetic field of an RF signal in an object to be imaged. A device according to the disclosure has a plurality of conductive elements arranged in an array, wherein the array is arranged to redistribute energy between electric and magnetic fields of RF radiation, a plurality of semiconductor devices each connected between two respective portions of the conductive elements; and a controller to control a bias voltage of each semiconductor device, thereby controlling the resonant frequency of the array. A method according to the disclosure includes placing said device in proximity of the object to be imaged using an MR system, irradiating the device and object with an RF signal; receiving a return RF signal from the conductive elements and object to image the object; and controlling a bias voltage of each semiconductor device of a plurality of semiconductor devices connected to conductive elements in the array to change the resonant frequency of the plurality of conductive elements.
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公开(公告)号：US20220192546A1
公开(公告)日：2022-06-23
申请号：US17690701
申请日：2022-03-09
Applicant: Medical Wireless Sensing Ltd.
Inventor： Georgios Palikaras , Efthymios Kallos , Helena Cano Garcia
IPC: A61B5/145 , A61B5/0507 , A61B5/053 , G02B1/00 , A61B5/1455
Abstract: There is provided a device arranged to couple electromagnetic radiation into or out of a biological material. The device comprises a first metamaterial comprising: a substrate component having a thickness no greater than a first wavelength of the electromagnetic radiation; and a plurality of elements supported by the substrate component, wherein each element has a first dimension no greater than a first wavelength of the electromagnetic radiation and at least two of the elements of the plurality of elements are non-identical.
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公开(公告)号：US11246502B2
公开(公告)日：2022-02-15
申请号：US16070724
申请日：2017-01-17
Applicant: Medical Wireless Sensing Ltd.
Inventor： Helena Cano Garcia , Nadine Geddes , Ioannis Gouzouasis , Efthymios Kallos , Panagiotis Kosmas , George Palikaras , Ioannis Sotiriou , Anastasios Garetsos , Georgios Stratakos , Michail Gargalakos , Constantinos Kakoyiannis , Irene Karanasiou , Maria Koutsoupidou , Nikolaos Uzunoglu
Abstract: A novel medical imaging system that is based on radio-wave signals at microwave frequencies and has unique properties. The system can be used for various diagnostic applications such as breast cancer detection, brain stroke detection, and assessment of internal bleeding (trauma emergencies).
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公开(公告)号：US20160361002A1
公开(公告)日：2016-12-15
申请号：US15121364
申请日：2015-02-26
Applicant: MEDICAL WIRELESS SENSING LTD
Inventor： Georgios Palikaras , Efthymios Kallos , Helena Cano Garcia
IPC: A61B5/145 , A61B5/053 , A61B5/1455 , A61B5/05
CPC classification number: A61B5/14532 , A61B5/0507 , A61B5/053 , A61B5/1455 , A61B2562/143 , G02B1/002
Abstract: There is provided a device arranged to couple electromagnetic radiation into or out of a biological material. The device comprises a first metamaterial comprising: a substrate component having a thickness no greater than a first wavelength of the electromagnetic radiation; and a plurality of elements supported by the substrate component, wherein each element has a first dimension no greater than a first wavelength of the electromagnetic radiation and at least two of the elements of the plurality of elements are non-identical.
Abstract translation: 提供了一种被布置成将电磁辐射耦合到生物材料中或从生物材料中流出的装置。 该装置包括第一超材料，其包括：具有不大于电磁辐射的第一波长的厚度的衬底部件; 以及由所述基板部件支撑的多个元件，其中每个元件具有不大于所述电磁辐射的第一波长的第一尺寸，并且所述多个元件中的至少两个元件不相同。
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