Device for monitoring airway collapse characteristic parameters of breathing machine
A technology of airway trapping and characteristic parameters, applied in the field of medical devices, can solve the problems of medical staff who do not have the discrimination experience, difficulty in accurately characterizing the characteristics of airway trapping, etc., and achieves the effect of improving the scope of application and strong reliability.
Active Publication Date: 2015-05-06
BEIJING CHAOYANG HOSPITAL CAPITAL MEDICAL UNIV
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Problems solved by technology
However, there is no accurate judgment tool at present, and only rely on the experience of clinical medical staff to make a judgment
Moreover, because the use of ventilators is very professional and progresses rapidly, there are still many medical staff who do not have the experience of discriminating, so the scope of use has certain limitations
In addition, it is difficult to accurately characterize the characteristics of airway trapping with the naked eye on the ventilator waveform
Method used
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[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0017] like figure 1 As shown, the monitoring device of the present invention includes a ventilator 1 , a monitoring host 2 and a display 3 . After the patient exhales into the ventilator 1, the ventilator 1 performs corresponding processing on the inhaled gas to obtain the expiratory flow data in real time, and transmits the expiratory flow data to the monitoring host 2. The air flow data is used to measure the characteristic parameters of airway trapping, and the measurement results are output and displayed by the display 3 .
[0018] The ventilator 1 includes a sensor 4 , an amplification circuit 5 and a sampling circuit 6 . The sensor 4 obtains the corresponding air flow signal by collecting the gas inhaled by the patient, and the air flow signal output by the sensor 4 is transmitted to the amplifying circuit 5, and the amplifying circuit 5 ampl...
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The invention relates to a device for monitoring airway collapse characteristic parameters of a breathing machine. The device is characterized by comprising the breathing machine, a monitoring host machine and a displayer, wherein the breathing machine processes gas inhaled by a patient in real time to obtain expiration flow data, the expiration flow data are transmitted to the monitoring host machine, the monitoring host machine conducts measurement of the airway collapse characteristic parameters on the expiration flow data, and measurement results are displayed by the displayer. According to the device, the range of application is greatly widened, and reliability is strong. The device can be widely applied to the technical field of medical equipment.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a monitoring device for characteristic parameters of airway trapping of a ventilator. Background technique [0002] Airway obstructive disease, mainly including chronic obstructive pulmonary disease (COPD) and asthma, is a very common disease with a large number of patients and a high mortality rate. It is currently the fifth cause of death in the world. Its acute attack often requires endotracheal intubation connected to a ventilator to assist ventilation. In the acute attack stage, patients have more airway secretions, narrow airway lumen, and increased airway resistance, resulting in airflow limitation. In addition, long-term and extensive damage to the lung parenchyma tissue in patients leads to a decrease in lung elastic recoil, which reduces the driving pressure of the expiratory airflow; the supporting structure of the peripheral airway is damaged, and the small a...
Claims
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IPC IPC(8): A61M16/00
Inventor 李洁孙兵代华平童朝晖王辰
Owner BEIJING CHAOYANG HOSPITAL CAPITAL MEDICAL UNIV