Array type magnetic particle imaging equipment without gradient field
The invention discloses array type magnetic particle imaging equipment without a gradient field, which adopts a miniaturized magnetic sensor array as a detection unit, and realizes spatial positioning by utilizing different relative spatial positions of sensors relative to a scanned object. The magn...
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| creator | YANG HUI GE LINGKE LI KEWEN ZOU YUQI CUI HAO HOU FUXU LIN YUXI BAI SHI ZHANG QINYANG LIU ZHIYAO LI TIANSHU |
| description | The invention discloses array type magnetic particle imaging equipment without a gradient field, which adopts a miniaturized magnetic sensor array as a detection unit, and realizes spatial positioning by utilizing different relative spatial positions of sensors relative to a scanned object. The magnetic sensor adopts a positive and negative symmetrical series structure, so that the interference of excitation noise on a detection signal is greatly reduced; the excitation interference can be further reduced and the saturation of the magnetic sensor can be prevented by adopting a multi-layer coil nesting mode; the system adopts an open type imaging structure and has a relatively large open type imaging space; as the tracer agent is directly positioned by the array type magnetic sensor, the magnetic particle imaging equipment gets rid of serious dependence on a high-intensity gradient magnetic field, the arrangement and expansion of any imaging interval are very convenient, and the method has important technical |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING |
| title | Array type magnetic particle imaging equipment without gradient field |
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