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Nuclear magnetic resonance coil positioning method based on passive RFID

A nuclear magnetic resonance and positioning method technology, which is applied in the fields of magnetic resonance measurement, magnetic variable measurement, medical science, etc., can solve problems such as coil failure, patient injury, and system misplaced on the operating table, so as to improve positioning accuracy, The effect of preventing damage

Inactive Publication Date: 2019-01-08
芜湖帮许来诺医疗设备科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The nuclear magnetic resonance coil is an important part of the nuclear magnetic resonance system, and it usually plays the role of transmitting the pulse machine to receive the signal; in the workflow, the nuclear magnetic resonance coil needs to be connected to the system to be recognized and run normally, but due to the negligence of the operating physician, Coils are sometimes misplaced on the console without being plugged into the system, which can lead to system failure and patient injury

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  • Nuclear magnetic resonance coil positioning method based on passive RFID
  • Nuclear magnetic resonance coil positioning method based on passive RFID
  • Nuclear magnetic resonance coil positioning method based on passive RFID

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Embodiment Construction

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0036] The present invention is a passive RFID-based nuclear magnetic resonance coil positioning method, which includes the following steps:

[0037] Step one, data collection;

[0038] There are a signal emission source A, B, C, D in the four corners of the operating table; a passive RFID electronic tag T is installed on the nuclear magnetic resonance coil; when the passive RFID electronic tag T enters the range of the reader, there is no The source RFID electronic tag T feeds back the radio frequency signal sent by the reader;...

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Abstract

The invention discloses a nuclear magnetic resonance coil positioning method based on passive RFID. In the invention, signal emitting sources are respectively arranged at the corners of the operationtable. A passive RFID electronic tag is mounted on the nuclear magnetic resonance coil. When the passive RFID electronic tag T enters the functional range of the reader / writer, the passive RFID electronic tag T feeds back the radio frequency signal sent by the reader / writer; and when the passive RFID electronic tag T enters the functional range of the reader / writer, the passive RFID electronic tagT feeds back the radio frequency signal sent by the reader / writer. The relationship between the intensity of signal attenuation and the propagation distance is calculated. A coordinate system is established with the signal emitter point A as the origin. The spatial coordinates of the passive RFID tag are calculated according to the triangulation algorithm. The invention locates the nuclear magnetic resonance coil through the passive RFID and ensures that the coil is connected with the nuclear magnetic resonance system in the resonance process of the nuclear magnetic resonance imaging. Avoid system failure due to the operator's negligence that the coil is not plugged into the system and prevent injury to the patient. Through the calculation of the propagation model and the application of triangular positioning algorithm, the positioning accuracy of passive RFID is improved.

Description

Technical field [0001] The invention belongs to the technical field of software development, and particularly relates to a passive RFID-based nuclear magnetic resonance coil positioning method. Background technique [0002] Magnetic resonance imaging is a relatively new medical imaging technology that has not been officially used in clinical practice until 1982. It uses static magnetic field and radio frequency magnetic field to image human tissue. In the imaging process, neither electron ionizing radiation nor contrast agent is used to obtain high-contrast clear images. It can reflect human organ abnormalities and early pathological changes from the inside of human molecules. It is superior to X-ray CT in many places. Although X-CT solves the problem of human body impact overlap, the image provided is still a spatial distribution image of tissue absorption of X-rays, and cannot provide information on the physiological state of human organs. When the absorption coefficient of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055G01R33/38
CPCA61B5/055G01R33/3802
Inventor 李林红
Owner 芜湖帮许来诺医疗设备科技有限公司
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