GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
发明人:
HONG, Suk Min,홍석민,PARK, Joshua Heakyun,박쟈슈아 해균,KIM, Young Bo,김영보,CHO, Zang Hee,조장희
申请号：
KRKR2014/003537
公开号：
WO2014/178560A1
申请日:
2014.04.23
申请国别(地区):
WO
年份:
2014
代理人:
摘要：
The present invention relates to a magnetic resonance imaging apparatus having a monopole antenna structure. The apparatus comprises: a cylinder having apertures at both sides a plurality of monopole antennas adhered in a rod shape at regular intervals on the outer wall of the cylinder and radiating electromagnetic waves to a subject inside the cylinder, thereby collecting magnetic resonance imaging data and an earthed plate in which the plurality of monopole antennas are vertically and circularly placed at one side, and a plurality of coaxial cables are connected to the other side through a through-hole, wherein the signal lines of the plurality of coaxial cables are connected to the plurality of respective monopole antennas, and the earthed lines thereof are connected to the earthed plate. According to the present invention, a separate matching circuit is unnecessary, thereby simplifying the structure and saving on manufacturing costs, and the length of antennas is optimized to be suitable for obtaining an image of the human brain, thereby preventing the hindering of image acquisition by the antenna length. In addition, high sensitivity and antenna gain are maintained at a deep region of the human brain, thereby allowing electromagnetic waves to penetrate a deep area of the subject, and a high signal to noise ratio appears at an upper portion of the brain and the center thereof, thereby enabling the obtainment of accurate magnetic resonance imaging data.La présente invention porte sur un appareil dimagerie à résonance magnétique ayant une structure dantenne monopôle. Lappareil comprend : un cylindre ayant des ouvertures des deux côtés une pluralité dantennes monopôles adhérant sous une forme de tige à intervalles réguliers à la paroi externe du cylindre et rayonnant des ondes électromagnétiques vers un sujet à lintérieur du cylindre, de façon à collecter ainsi des données dimagerie à résonance magnétique et une plaque mise à la terre, la pluralité dantennes mono
