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Method and device for controlling inspiration trigger

A technology of inhalation triggering and control method, applied in respirator, evaluation of respiratory organs, etc., can solve the problems of complex clinical operation, high cost of sensors, high cost of breath detection, and achieve the effect of reducing cost

Active Publication Date: 2015-11-11
SHENZHEN COMEN MEDICAL INSTR
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Problems solved by technology

The flow and pressure inhalation trigger methods of the ventilator are widely used in invasive ventilators, but are rarely used due to the characteristics of air leakage in non-invasive ventilators. In addition, in the diaphragmatic electric inhalation trigger, a sensor needs to be placed through the nose. Into the stomach, the sensor can transmit the electronic signal of the diaphragm to the ventilator, and the ventilator performs synchronous inhalation and air delivery according to the signal. The disadvantage of this method is that the cost of clinical detection of the sensor is high, which leads to high cost of breath detection. And the clinical operation is complicated

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  • Method and device for controlling inspiration trigger
  • Method and device for controlling inspiration trigger
  • Method and device for controlling inspiration trigger

Examples

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no. 1 example

[0066] Further, refer to figure 2 , based on the first embodiment of the inhalation trigger control method of the present invention, in the second embodiment of the inhalation trigger control method of the present invention, the inhalation trigger control method further includes:

[0067] Step S40, detecting the second pressure information of atmospheric pressure;

[0068] Above-mentioned step S20 comprises:

[0069] Step S21, according to the detected first pressure information and second pressure information, obtain a pressure difference signal corresponding to the difference between the pressure of the airbag and the atmospheric pressure;

[0070] Step S22, performing error amplification on the pressure difference signal;

[0071] Step S23, judging whether the voltage value corresponding to the amplified pressure difference signal is greater than the preset standard value; if so, execute step S24, otherwise do not perform inspiratory triggering;

[0072] Step S24, deter...

no. 3 example

[0106] Further, refer to Figure 10 , based on the third embodiment of the inhalation trigger control device of the present invention, in the fourth embodiment of the inhalation trigger control device of the present invention, the processing module 20 further includes:

[0107] The second judging unit 25 is used to judge whether the pressure values ​​corresponding to the digital pressure signal after the frequency is lowered in the comparison of the consecutive preset times are greater than the preset standard value; When the pressure values ​​corresponding to the signals are greater than the preset standard value, the determination unit 24 is triggered to determine that the breathing state of the object to be measured is an inhalation state.

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Abstract

The invention discloses a method for controlling inspiration trigger. The method for controlling inspiration trigger includes steps of detecting first pressure information of air bags preliminarily arranged on to-be-detected objects; determining breath states of the to-be-detected objects according to the first pressure information and preset standard values; outputting inspiration trigger control signals when the breath states are inspiration states. The invention further discloses a device for controlling inspiration trigger. The method and the device have the advantages that the breath detection cost can be reduced, and inspiration trigger in non-invasive ventilators can be reliably identified.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to an inhalation trigger control method and device. Background technique [0002] At present, in medical equipment, in order to realize the synchronous detection of the patient's breathing, the flow rate, pressure of the ventilator, and the triggering of diaphragm electric inspiration are mainly used. The flow and pressure inhalation trigger methods of the ventilator are widely used in invasive ventilators, but are rarely used due to the characteristics of air leakage in non-invasive ventilators. In addition, in the diaphragmatic electric inhalation trigger, a sensor needs to be placed through the nose. Into the stomach, the sensor can transmit the electronic signal of the diaphragm to the ventilator, and the ventilator performs synchronous inhalation and air delivery according to the signal. The disadvantage of this method is that the cost of clinical detection of the sen...

Claims

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Application Information

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IPC IPC(8): A61M16/00
CPCA61B5/08A61M16/024
Inventor 邹栋黄裕钦吴本清
Owner SHENZHEN COMEN MEDICAL INSTR
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