Contralateral-hemisphere-counteraction-based method for non-contact magnetic induction cerebral hemorrhage detection

A technology of a contralateral hemisphere and a detection method, applied in the field of biomedical medical devices, can solve the problems of low sensitivity of magnetic induction measurement and poor anti-interference ability, and achieve the effect of solving the low sensitivity and poor anti-interference ability of magnetic induction measurement and improving the sensitivity.

Inactive Publication Date: 2014-02-19
金贵
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Problems solved by technology

[0006] The purpose of the embodiments of the present invention is to provide a non-contact magnetic induction cerebral hemorrhage detection method based on con

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  • Contralateral-hemisphere-counteraction-based method for non-contact magnetic induction cerebral hemorrhage detection
  • Contralateral-hemisphere-counteraction-based method for non-contact magnetic induction cerebral hemorrhage detection

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Embodiment Construction

[0023] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0024] The application principle of the present invention will be further described below with reference to the drawings and specific embodiments.

[0025] Such as figure 1 As shown, the method for detecting non-contact magnetic induction cerebral hemorrhage based on contralateral hemisphere cancellation in an embodiment of the present invention includes the following steps:

[0026] S101: Place the head under test under the first detection coil and the second detection coil. The two detection coils are located on the same plane, underneath the excitation coil and parallel to the excitation coil, and are symmetrical about ...

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Abstract

The invention discloses a contralateral-hemisphere-counteraction-based method for non-contact magnetic induction cerebral hemorrhage detection. Firstly, a tested head is placed below a first detection coil and a second detection coil which are the same, and an exciting coil is placed above the two detection coils; a signal generator is connected to the exciting coil and the input end of a three-way adapter; the first detection coil and the second detection coil are connected to an input channel of a first data acquisition card and an input channel of a second data acquisition card; a phase difference measurement procedure in a computer respectively and simultaneously calculates the phase difference between signals of the two input channels of the first data acquisition card and the second data acquisition card; the phase difference is obtained by subtracting phase difference data of one data acquisition card from phase difference data of the other data acquisition card, and the severity and the development and changes of cerebral hemorrhage can be judged according to variations of the phase difference. According to the contralateral-hemisphere-counteraction-based method for non-contact magnetic induction cerebral hemorrhage detection, the phase difference data produced by the left hemisphere and the right hemisphere are measured respectively, then counteraction is carried out on the phase difference data, and detection sensitivity and anti-jamming capability are improved greatly.

Description

Technical field [0001] The invention belongs to the technical field of biomedical medical equipment, and in particular relates to a method for detecting non-contact magnetic induction cerebral hemorrhage based on contralateral hemisphere offset. Background technique [0002] As a kind of stroke, cerebral hemorrhage has the characteristics of high morbidity, high disability, high mortality and heavy economic burden. Studies by the World Health Organization have shown that the incidence of stroke in my country is rising at an annual rate of 8.7%, and has become the number one cause of death. About 30% of the patients die, and 70% of the survivors have disability such as hemiplegia and aphasia. Prevention and control situation Very severe. Cerebral hemorrhage generally causes a variety of secondary pathologies, such as cerebral edema, increased intracranial pressure, and cerebral herniation. Among them, cerebral edema and cerebral herniation lead to intracranial hypertension, which ...

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Application Information

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IPC IPC(8): A61B5/05
Inventor 金贵孙建闫庆光秦明新彭斌潘文才李根陈明生许佳宁旭徐林
Owner 金贵
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