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1. (WO2019041607) SYSTEM AND METHOD FOR DETERMINING FLIP ANGLES IN MAGNETIC RESONANCE IMAGING
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Pub. No.: WO/2019/041607 International Application No.: PCT/CN2017/114107
Publication Date: 07.03.2019 International Filing Date: 30.11.2017
IPC:
A61B 5/055 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
5
Measuring for diagnostic purposes; Identification of persons
05
Measuring for diagnosis by means of electric currents or magnetic fields
055
involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
Applicants:
SHENZHEN UNITED IMAGING HEALTHCARE CO., LTD. [CN/CN]; Room 202-207, Building C No.1 Chuangye Building No.6 Industrial Road, Nanshan District Shenzhen, Guangdong 518067, CN
Inventors:
WANG, Chaohong; CN
LI, Guobin; CN
Agent:
METIS IP (CHENGDU) LLC; (No.846 South Tianfu Road) Tianfu Innovation Center Chengdu, Sichuan 610213, CN
Priority Data:
15/692,14831.08.2017US
201710752718.X28.08.2017CN
Title (EN) SYSTEM AND METHOD FOR DETERMINING FLIP ANGLES IN MAGNETIC RESONANCE IMAGING
(FR) SYSTÈME ET PROCÉDÉ DE DÉTERMINATION D'ANGLES DE BASCULE EN IMAGERIE PAR RÉSONANCE MAGNÉTIQUE
Abstract:
(EN) A method may include providing an initial flip angle schedule of refocusing radio frequency pulses, the refocusing radio frequency pulses being configured to generate an echo train; comparing the initial flip angle schedule with a first criterion, the first criterion relating to a first parameter relating to the echo train; determining, a first flip angle schedule based on the first comparison, the first flip angle schedule satisfying the first criterion; comparing the first flip angle schedule with a second criterion, the second criterion relating to a second parameter relating to the echo train; determining, a second flip angle schedule based on the second comparison, the second flip angle schedule satisfying the second criterion; and obtaining a magnetic resonance (MR) signal based on the second flip angle schedule.
(FR) Cette invention concerne un procédé qui peut comprendre la programmation d'un angle de bascule initial de refocalisation des impulsions de radiofréquence, où les impulsions de radiofréquence de refocalisation sont conçues pour générer un train d'échos ; la comparaison de l'angle de bascule programmé initial avec un premier critère, où le premier critère se rapporte à un premier paramètre relatif au train d'échos ; la programmation d'un premier angle de bascule sur la base de la première comparaison, où le premier angle de bascule satisfait le premier critère ; la comparaison du premier angle de bascule programmé à un second critère, où le second critère se rapport à un second paramètre relatif au train d'échos ; la programmation d'un second angle de bascule sur la base de la seconde comparaison, où le second angle de bascule programmé satisfait le second critère ; et l'obtention d'un signal de résonance magnétique (RM) sur la base du second angle de bascule programmé.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)