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CN-122004766-A - Plateau hypoxia cerebral edema early warning system

CN122004766ACN 122004766 ACN122004766 ACN 122004766ACN-122004766-A

Abstract

The invention provides an altitude hypoxic cerebral edema early warning system, which comprises a first acquisition module, a second acquisition module, a data processing module and an early warning module, wherein the first acquisition module is configured to transmit ultrasonic waves to at least two sections of a first area, acquire ultrasonic images reflected after eyeball transmission, determine the diameter of an optical nerve sheath after first pretreatment, the second acquisition module is configured to transmit a near infrared signal source to a second area, acquire spectral images reflected after cranium transmission, acquire absorption spectrums of oxyhemoglobin and deoxyhemoglobin after second pretreatment, the data processing module is configured to acquire the diameter of the optical nerve sheath and the absorption spectrums to determine a first influence factor and a second influence factor related to the diameter of the optical nerve sheath and the absorption spectrums, and the early warning module is configured to initiate warning if the first influence factor and the second influence factor exceed a preset threshold under a first preset condition. The invention realizes the early warning and monitoring of cerebral edema through multi-mode monitoring.

Inventors

  • LI GUANGGANG
  • LI YI
  • CHEN FEI

Assignees

  • 中国人民解放军总医院第七医学中心

Dates

Publication Date
20260512
Application Date
20260203

Claims (10)

  1. 1. Plateau hypoxia cerebral edema early warning system, characterized by, include: The first acquisition module is configured to transmit ultrasonic waves to at least two sections of the first area, acquire an ultrasonic image reflected after eyeball transmission, and determine the diameter of the optic nerve sheath after first pretreatment; A second acquisition module configured to transmit a near infrared signal source to a second region, obtain a spectral image reflected after transcranial transmission, and obtain absorption spectra of oxyhemoglobin and deoxyhemoglobin after a second pretreatment; the data processing module is configured to acquire the diameter of the optical nerve sheath and the absorption spectrum and determine a first influence factor and a second influence factor related to the diameter of the optical nerve sheath and the absorption spectrum, wherein the optical nerve sheath diameter is mapped in a segmented mode to construct structural parameters reflecting space expansion characteristics of the optical nerve sheath; and the early warning module is configured to initiate an alarm if the first influence factor and the second influence factor exceed a preset threshold under a first preset condition.
  2. 2. The plateau hypoxic cerebral edema warning system of claim 1, wherein the first acquisition module is further configured to And setting a plurality of sampling points in a first direction of the first area, and transmitting ultrasonic waves to at least two tangent planes formed along a second direction of each sampling point.
  3. 3. The plateau hypoxic edema warning system of claim 2, wherein the first acquisition module is further configured to In a first section of any sampling point, obtaining a plurality of sections formed from a first direction to a second direction of the first section for continuous sampling; obtaining a plurality of sections formed from the first direction to the second direction of the second section from the second section of the same sampling point to continuously sample; and repeatedly executing the steps executed by the previous sampling point for each other sampling point.
  4. 4. The system for pre-warning of plateau hypoxic edema according to claim 3, wherein the first pre-treatment comprises the steps of: s1, determining a first data set formed by continuously sampling a tangent plane formed by a first tangent plane in any sampling point, determining a plurality of first boundaries determined by a first gray continuous threshold value of the first data set on the first tangent plane, and determining the maximum fitting boundary in the first boundaries according to the average change value of gray; S2, determining a first diameter in a first tangential direction corresponding to the orthogonal direction according to the maximum fitting boundary; S3, determining a second data set formed by continuous sampling of a tangent plane formed by a second tangent plane in the same sampling point, determining a plurality of second boundaries by taking a first gray continuous threshold value as a fitting reference value, and determining the maximum fitting boundary in the second boundaries; S4, determining a second diameter of a second tangent plane corresponding to the orthogonal direction according to the fitting boundary; s5, obtaining fitting curvature according to the first diameter, the second diameter and the maximum fitting boundary corresponding to the first diameter and the second diameter, and constructing a closed fitting projection from the first section to the second section; S6, repeating the steps S1-S5 at other sampling points to obtain continuous closed fitting projection among the sampling points, and S7, obtaining the diameter of the optical nerve sheath.
  5. 5. The system of claim 4, wherein the first pretreatment is between S6 and S7, further comprising the steps of: s601, performing iterative training to obtain closed fitting projection as a fitting boundary line; s602, taking the fitting boundary line as a reference value, and according to the first gray threshold value, attenuating or increasing gray change values in the obtained first data set and the obtained second data set by a preset value; S603, obtaining an iterated gray level change value, determining a second gray level threshold value, and determining an iterated fitting boundary in the closed fitting projection range according to the second gray level threshold value; s604, determining an iterated closed fitting projection according to the iterated fitting boundary; s605, repeating the steps until the gray level change value is trained to a preset value.
  6. 6. The system of claim 1, wherein the first acquisition module comprises an ultrasonic patch, an ultrasonic transmitting module and an ultrasonic receiving module, the ultrasonic patch is in a shape of a single-piece attachable round or bowl, and the ultrasonic transmitting module and the ultrasonic receiving module are disposed on attachable sides of the ultrasonic patch.
  7. 7. The system of claim 1, wherein the second acquisition module comprises a transmission grating, a diode array detector, and a near infrared spectrometer.
  8. 8. The system of claim 1, wherein the data processing module comprises a cloud and edge nodes, the edge nodes are deployed in a first acquisition module and a second acquisition module, the first edge node in the first acquisition module is used for acquiring the diameter of the optic nerve sheath and calculating a first influence factor, and the second edge node in the second acquisition module is used for acquiring the absorption spectrum and calculating a second influence factor; after the early warning module initiates warning, the edge node uploads the corresponding first influence factor and second influence factor to the cloud and records the first influence factor and the second influence factor as warning data.
  9. 9. The system of claim 8, further comprising an appearance detection module for collecting appearance physiological information of the patient, the appearance physiological information including at least blood oxygen saturation, blood pressure, heart rate; The cloud is internally provided with a neural network model, the neural network model is trained based on the alarm data and the apparent physiological information, and the trained neural network model is used for predicting whether a patient is in a high risk state, marking the patient according to a prediction result and notifying medical staff.
  10. 10. The plateau hypoxic edema early warning method is characterized by comprising the following steps of: S101, acquiring the diameter of an optical nerve sheath of a first area of a target area; S102, obtaining absorption spectra of oxyhemoglobin and deoxyhemoglobin of a second region of the target region; S103, determining a first influence factor and a second influence factor according to the diameter of the optical nerve sheath and the absorption spectrum; S104, judging whether the first influence factor and the second influence factor exceed a preset threshold value under preset conditions.

Description

Plateau hypoxia cerebral edema early warning system Technical Field The invention belongs to the technical field of medical auxiliary monitoring equipment, and particularly relates to a plateau hypoxic cerebral edema early warning system. Background Under the condition of altitude hypoxia, a plurality of organs of a human body can generate hypoxia lesions, wherein cerebral edema caused by hypoxia is a threat to life. Edema can occur in brain tissue under the condition of hypoxia, and early symptoms often include headache, nausea and other discomforts, and the symptoms can be relieved after routine treatment such as oxygen inhalation and rest. However, for some patients, when cerebral edema reaches a threshold, the brain edema suddenly falls into coma, the condition is suddenly turned down, the brain edema is irreversible in a short period, and the brain edema dies rapidly. Therefore, how to early warn the cerebral edema before reaching the irreversible threshold, rapidly take emergency measures for the patients and transport the patients to plain zones is a key to avoiding death caused by altitude hypoxia. In the prior art, cerebral edema monitoring is generally performed by brain CT to evaluate the degree of cerebral edema and cerebral damage, and other single-mode monitoring methods, such as Magnetic Resonance Imaging (MRI), invasive intracranial pressure monitoring (ICP), and transcranial doppler ultrasound (TCD) are also used to realize cerebral edema caused by diseases such as cerebral trauma and cerebral hemorrhage. In view of this, there is a need to propose a plateau hypoxic cerebral edema warning system. Disclosure of Invention Therefore, the invention provides a plateau anoxic cerebral edema early warning system and provides early warning for plateau anoxic cerebral edema. A first aspect of the present invention provides a plateau hypoxic cerebral edema warning system, comprising: The first acquisition module is configured to transmit ultrasonic waves to at least two sections of the first area, acquire an ultrasonic image reflected after eyeball transmission, and determine the diameter of the optic nerve sheath after first pretreatment; A second acquisition module configured to transmit a near infrared signal source to a second region, obtain a spectral image reflected after transcranial transmission, and obtain absorption spectra of oxyhemoglobin and deoxyhemoglobin after a second pretreatment; the data processing module is configured to acquire the diameter of the optical nerve sheath and the absorption spectrum and determine a first influence factor and a second influence factor related to the diameter of the optical nerve sheath and the absorption spectrum, wherein the optical nerve sheath diameter is mapped in a segmented mode to construct structural parameters reflecting space expansion characteristics of the optical nerve sheath; and the early warning module is configured to initiate an alarm if the first influence factor and the second influence factor exceed a preset threshold under a first preset condition. As a preferred mode, the first acquisition module is further configured to And setting a plurality of sampling points in a first direction of the first area, and transmitting ultrasonic waves to at least two tangent planes formed along a second direction of each sampling point. As a further preferred mode, the first acquisition module is further configured to In a first section of any sampling point, obtaining a plurality of sections formed from a first direction to a second direction of the first section for continuous sampling; obtaining a plurality of sections formed from the first direction to the second direction of the second section from the second section of the same sampling point to continuously sample; and repeatedly executing the steps executed by the previous sampling point for each other sampling point. As a preferred mode, the first pretreatment includes the following steps: s1, determining a first data set formed by continuously sampling a tangent plane formed by a first tangent plane in any sampling point, determining a plurality of first boundaries determined by a first gray continuous threshold value of the first data set on the first tangent plane, and determining the maximum fitting boundary in the first boundaries according to the average change value of gray; S2, determining a first diameter in a first tangential direction corresponding to the orthogonal direction according to the maximum fitting boundary; S3, determining a second data set formed by continuous sampling of a tangent plane formed by a second tangent plane in the same sampling point, determining a plurality of second boundaries by taking a first gray continuous threshold value as a fitting reference value, and determining the maximum fitting boundary in the second boundaries; S4, determining a second diameter of a second tangent plane corresponding to the orthogonal direction according to the fitti