CN-121971763-A - Anesthesia machine testing method, anesthesia machine testing device, anesthesia machine testing equipment and storage medium

CN121971763ACN 121971763 ACN121971763 ACN 121971763ACN-121971763-A

Abstract

The invention relates to the field of intelligent testing, and discloses a testing method, a device, equipment and a medium of an anesthesia machine, which comprise the steps of controlling the anesthesia machine to close an exhaust port of a mechanical ventilation loop, conveying gas to the mechanical ventilation loop until the airway pressure of the mechanical ventilation loop reaches a preset test pressure, stopping conveying gas and maintaining a preset pressure stabilizing time period, recording the initial pressure, the highest pressure and the end pressure in the gas conveying process through a pressure sensor of the mechanical ventilation loop, collecting the gas conveying flow, the inspiration flow and the expiration flow in the gas conveying and maintaining the preset pressure stabilizing time period, and calculating the leakage quantity and the pipeline compliance of the mechanical ventilation loop according to the initial pressure, the highest pressure and the end pressure and the corresponding initial time, the highest time and the end time and combining the gas conveying flow, the inspiration flow and the expiration flow, and obtaining a testing result according to the leakage quantity and the pipeline compliance of the mechanical ventilation loop. Solves the problems of high testing cost and complex operation of the anesthesia machine in the prior art.

Inventors

ZOU JIALIN
ZOU LONGLONG
WANG SHAOHUA

Assignees

深圳市安保医疗科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260128

Claims (10)

1.A method of testing an anesthesia machine, comprising: controlling the anesthesia machine to close an exhaust port of a mechanical ventilation loop, transmitting gas to the mechanical ventilation loop until the airway pressure of the mechanical ventilation loop reaches a preset test pressure, stopping gas transmission, maintaining a preset pressure stabilizing period, and recording the starting pressure, the highest pressure and the ending pressure in the gas transmission process through a pressure sensor of the mechanical ventilation loop; Collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by driving a flow sensor, collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by an inhalation flow sensor, and collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by an exhalation flow sensor; And calculating the leakage amount and the pipeline compliance of the mechanical ventilation loop according to the starting pressure, the highest pressure and the ending pressure and the corresponding starting time, the highest time and the ending time, and combining the gas transmission flow, the inspiration flow and the expiration flow, and obtaining a test result according to the leakage amount and the pipeline compliance of the loop.
2. The method of claim 1, wherein controlling the anesthesia machine to close the exhaust of its mechanical ventilation circuit comprises: And adjusting the input power of the PEEP valve of the anesthesia machine to enable the PEEP valve to completely seal the exhaust port of the mechanical ventilation loop.
3. The method of claim 1, wherein said delivering gas to the mechanical ventilation circuit until the airway pressure of the mechanical ventilation circuit reaches a predetermined test pressure and maintaining a predetermined regulated pressure period comprises: if the airway pressure does not reach the preset test pressure and the test duration exceeds the preset time threshold, judging that the mechanical ventilation loop has serious leakage, and terminating the test flow.
4. The method of claim 1, wherein calculating the mechanical ventilation circuit leakage and circuit compliance from the starting pressure, the highest pressure, and the ending pressure, and the corresponding starting time, highest time, and ending time, in combination with the gas flow, the inspiratory flow, and the expiratory flow, comprises: Constructing a correlation equation set of the leakage quantity of the mechanical ventilation circuit and the pipeline compliance; Substituting the starting pressure, the highest pressure, the ending pressure, the starting time, the highest time, the ending time, the gas transmission flow, the inspiration flow and the expiration flow into the equation set to obtain the leakage quantity and the pipeline compliance of the mechanical ventilation circuit.
5. The method of claim 1, wherein said delivering gas to said mechanical ventilation circuit comprises: The output state of the anesthesia machine driving proportional valve is regulated by taking the gas transmission flow collected by the anesthesia machine driving flow sensor as a feedback signal through a closed loop control strategy, so that the flow of the input gas is maintained within a preset range.
6. The method of claim 1, wherein the controlling the anesthesia machine before closing the exhaust port of the mechanical ventilation circuit comprises: Clearing the historical test data and the state identification; and identifying the manual control switch state of the anesthesia machine, ending the test if the anesthesia machine is in the manual state, and continuously executing the test flow if the anesthesia machine is in the mechanical control state.
7. The method of claim 1, wherein the obtaining the test result according to the circuit leakage amount and the circuit compliance comprises: Comparing the calculated leakage amount of the mechanical ventilation circuit and the pipeline compliance with a preset leakage threshold value and a preset compliance interval respectively; if the leakage amount of the mechanical ventilation circuit exceeds a preset leakage threshold value or the pipeline compliance exceeds a preset compliance interval, generating alarm information; if the leakage amount of the mechanical ventilation circuit does not exceed the preset leakage threshold value and the pipeline compliance does not exceed the preset compliance interval, generating a test qualified result; and feeding the alarm information or the qualified test result back to the display interface of the anesthesia machine.
8. An anesthesia machine testing device, comprising: The air conveying module is used for controlling the anesthesia machine to close an air outlet of a mechanical ventilation loop, conveying air to the mechanical ventilation loop until the air passage pressure of the mechanical ventilation loop reaches a preset test pressure, stopping conveying air and maintaining a preset pressure stabilizing duration, and recording the initial pressure, the highest pressure and the end pressure in the air conveying process through a pressure sensor of the mechanical ventilation loop; The acquisition module is used for acquiring the gas transmission flow in the process of maintaining the preset pressure-stabilizing time period through driving the flow sensor, acquiring the gas transmission flow in the process of maintaining the preset pressure-stabilizing time period through the gas transmission flow sensor, and acquiring the gas transmission flow in the process of maintaining the preset pressure-stabilizing time period through the gas transmission flow sensor; And the calculation module is used for calculating the leakage amount and the pipeline compliance of the mechanical ventilation circuit according to the starting pressure, the highest pressure and the ending pressure and the corresponding starting time, the highest time and the ending time, combining the gas transmission flow, the inspiration flow and the expiration flow, and obtaining a test result according to the leakage amount and the pipeline compliance of the circuit.
9. Computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the anesthesia machine testing method according to any of claims 1 to 7 when the computer program is executed.
10. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the anesthesia machine testing method according to any one of claims 1 to 7.

Description

Anesthesia machine testing method, anesthesia machine testing device, anesthesia machine testing equipment and storage medium Technical Field The invention relates to the field of intelligent testing, in particular to an anesthesia machine testing method, an anesthesia machine testing device, anesthesia machine equipment and a storage medium. Background In the prior art, when detecting leakage of the breathing circuit of the anesthesia machine, a breathing machine tester is needed, but an anesthesia machine manufacturer, a distributor or a hospital is generally difficult to bear the purchase cost of expensive professional testing instruments, so that whether the leakage of the breathing circuit of the anesthesia machine meets the requirement is difficult to determine, in order to facilitate factory detection and meet the detection requirement before use of a user, some anesthesia machine manufacturers design leakage tests for the anesthesia machine at home, and for the leakage test of the ventilation circuit of the anesthesia machine, the machine is mostly required to be provided with an electronic flowmeter, and more complicated operation steps are carried out, such as actions of plugging and unplugging pipelines and the like in certain stages in the execution process, and errors on any operation steps can cause execution failure. Therefore, the prior art has the problems of high testing cost and complex operation of the anesthesia machine. Disclosure of Invention The invention provides a testing method, a testing device, computer equipment and a storage medium for an anesthesia machine, which are used for solving the problems of high testing cost and complex operation of the anesthesia machine in the prior art. In a first aspect, there is provided a method of testing an anesthesia machine, comprising: controlling the anesthesia machine to close an exhaust port of a mechanical ventilation loop, conveying gas to the mechanical ventilation loop until the airway pressure of the mechanical ventilation loop reaches a preset test pressure, stopping conveying gas and maintaining a preset pressure stabilizing duration, and recording the initial pressure, the highest pressure and the end pressure in the gas conveying process through a pressure sensor of the mechanical ventilation loop; Collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by driving a flow sensor, collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by an inhalation flow sensor, and collecting gas transmission flow in the process of maintaining the preset pressure-stabilizing time period by an exhalation flow sensor; And calculating the leakage amount and the pipeline compliance of the mechanical ventilation circuit according to the starting pressure, the highest pressure and the ending pressure and the corresponding starting time, the highest time and the ending time, and combining the gas transmission flow, the inspiration flow and the expiration flow, and obtaining a test result according to the leakage amount and the pipeline compliance of the mechanical ventilation circuit. Optionally, controlling the anesthesia machine to close the exhaust port of the mechanical ventilation circuit thereof comprises: and adjusting the input power of the PEEP valve of the anesthesia machine to enable the PEEP valve to completely seal the exhaust port of the mechanical ventilation loop. Optionally, the step of delivering gas to the mechanical ventilation circuit until the airway pressure of the mechanical ventilation circuit reaches a preset test pressure, and maintaining the preset pressure stabilizing period comprises: if the airway pressure does not reach the preset test pressure and the test duration exceeds the preset time threshold, judging that the mechanical ventilation loop has serious leakage, and terminating the test flow. Optionally, calculating the leakage amount and the pipeline compliance of the mechanical ventilation circuit according to the starting pressure, the highest pressure, the ending pressure, the corresponding starting time, the highest time and the ending time and combining the gas flow, the inspiration flow and the expiration flow comprises: Constructing a correlation equation set of the leakage quantity of the mechanical ventilation circuit and the pipeline compliance; Substituting the starting pressure, the highest pressure, the ending pressure, the starting time, the highest time, the ending time, the gas transmission flow, the inspiration flow and the expiration flow into an equation set to obtain the leakage quantity and the pipeline compliance of the mechanical ventilation circuit. Optionally, delivering gas to the mechanical ventilation circuit, comprising: The output state of the anesthesia machine driving proportional valve is regulated by taking the gas transmission flow collected by the anesthesia machine driving flow