Identification device and identification method for breathe state of bi-level breathing machine

A technology of breathing state and identification device, which is applied in the field of ventilators, can solve problems such as wrong identification and difficulty in dealing with abnormal breathing of patients, and achieve the effect of improving accuracy

Active Publication Date: 2013-10-09
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods use a single identification factor to identify the inspiratory state, which often leads to wrong identification due to external interference.
The identification of exhalation is mainly thro...

Method used

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  • Identification device and identification method for breathe state of bi-level breathing machine
  • Identification device and identification method for breathe state of bi-level breathing machine
  • Identification device and identification method for breathe state of bi-level breathing machine

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Embodiment

[0028] Embodiment: This embodiment is a respiratory state recognition device for a bilevel ventilator, including a receiving module, a selection module, a pressure acquisition module, a flow acquisition module, a time recording module, a comparison module and an adjustment module, and the reception module and the selection module form an interactive The module is implemented by a single-chip microcomputer. The high-level pressure information and low-level pressure information to be operated by the bi-level ventilator input by the user to the receiving module of the single-chip microcomputer are transmitted to the selection module, and the selection module determines the pressure trigger value, flow trigger value and time trigger value. The pressure collection module, the flow collection module and the time recording module form the collection module, which respectively collects the gas pressure value, the gas flow value and the time of each breathing state in the airway. The flo...

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PUM

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Abstract

The invention discloses an identification device and identification method for a breathe state of a bi-level breathing machine. An interaction module and a collection module are respectively connected with a comparison module. The collection module comprises a pressure collection module, a flow collection module and a time recording module. The interaction module is used for receiving information set by a user and determining a trigger value. The comparison module is used for comparing a gas pressure value, a gas flow value and an operation time with the trigger value determined by the interaction module, and transmitting a comparison result to a regulation module, wherein the gas pressure value, the gas flow value and the operation time are collected by the collection module. The regulation module confirms the breathe state and regulates the breathing machine to meet the needs of the breathe state. Flow and pressure are used as double judgment conditions, detection on an expiratory phase, an inspiratory phase and a breathing holding state can be achieved, the situation that a breathe state which does not occur is detected out by mistake can be effectively avoided, a breathe scheme for a patient is provided according to actual conditions of the patient, and the accuracy of detection on the breathe state is improved.

Description

technical field [0001] The invention relates to a ventilator, in particular to a breathing state recognition device and a recognition method of the ventilator. Background technique [0002] At present, the ventilator on the market is operated by putting on the nasal mask and turning on the ventilator, so that the detection problem of the nasal mask can be ignored. Avoiding the detection of the nasal mask by limiting the patient's operation often brings great inconvenience to the patient's operation. [0003] Bi-level continuous positive pressure therapy achieves the purpose of mechanical ventilation by alternately giving two different levels of positive airway pressure. Through this principle, the bi-level ventilator must recognize the breathing state of the patient during the working process, so as to Adjust your breathing accordingly. At present, the identification of the patient's inhalation state mainly includes the timing switching type. This method is mainly to set a...

Claims

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Application Information

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IPC IPC(8): A61B5/08A61M16/00
Inventor 张志胜戴敏王健周一帆
Owner SOUTHEAST UNIV
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