| 发明名称 |
ARTIFICIALLY STRUCTURED B1 MAGNETIC FIELD GENERATOR FOR MRI AND NMR DEVICES |
| 摘要 |
Described embodiments include an apparatus, and a method. An apparatus includes an array of at least two artificially structured electromagnetic unit cells. The at least two artificially structured electromagnetic unit cells are configured to generate a pulse of radiofrequency magnetic field B1 orientated transverse to the quasistatic magnetic field B0 parallel to the z-axis of the bore of a MRI or NMR device by transforming an incident pulse of radiofrequency electromagnetic waves. The generated pulse having magnetic field intensity sufficient to excite a detectable magnetic resonance in magnetically active nuclei located within at least a portion of an examination region located within the bore. The apparatus includes a radiofrequency electromagnetic wave conducting structure configured to distribute a received pulse of radiofrequency electromagnetic waves as an incident pulse of radiofrequency electromagnetic waves to the at least two artificially structured electromagnetic unit cells. |
| 申请公布号 |
US2016018491(A1) |
申请公布日期 |
2016.01.21 |
| 申请号 |
US201414334368 |
申请日期 |
2014.07.17 |
| 申请人 |
Elwha LLC |
发明人 |
Driscoll Tom;Smith David R.;Urzhumov Yaroslav A. |
| 分类号 |
G01R33/36;G01R33/48;G01R33/3815;G01R33/385;G01R33/383 |
主分类号 |
G01R33/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An apparatus comprising:
a radiofrequency electromagnetic wave conducting structure configured to distribute a received pulse of radiofrequency electromagnetic waves as an incident pulse of radiofrequency electromagnetic waves to an array of at least two artificially structured electromagnetic unit cells; and the array of the at least two artificially structured electromagnetic unit cells, the at least two artificially structured electromagnetic unit cells configured to generate a pulse of radiofrequency magnetic field B1 orientated transverse to a quasistatic magnetic field B0 parallel to a z-axis of a bore of a magnetic resonant imaging or a nuclear magnetic resonant device by transforming the incident pulse of radiofrequency electromagnetic waves, and the generated pulse having a magnetic field intensity sufficient to excite a detectable magnetic resonance in magnetically active nuclei located within at least a portion of an examination region located within the bore. |
| 地址 |
Bellevue WA US |
