Pressure measurement abnormality control method, system, and apparatus for insufflator, and insufflator

Abstract

The present application relates to the technical field of medical instruments, and provides a pressure measurement abnormality control method for an insufflator, comprising: acquiring an intake pressure, a pressure measurement pressure, and a smoke evacuation pressure; calculating the difference between the intake pressure and the pressure measurement pressure, and the difference between the pressure measurement pressure and the smoke evacuation pressure; when the difference between the intake pressure and the pressure measurement pressure is greater than a first preset difference and less than a second preset difference, and the difference between the pressure measurement pressure and the smoke evacuation pressure is greater than a third preset difference and less than a fourth preset difference, selecting the pressure measurement pressure as a display pressure; otherwise, initiating a first pressure measurement abnormality detection procedure. By monitoring the change in the difference between the intake pressure and the pressure measurement pressure, and the change in the difference between the pressure measurement pressure and the smoke evacuation pressure, a pressure monitoring abnormality caused by an equipment fault during a surgical procedure can be identified, thereby increasing the equipment stability and reducing the surgical risk.

Description

Methods, systems, devices for controlling abnormal pressure measurement in pneumoperitoneum machines and pneumoperitoneum machines

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese Patent Application No. 2025101929494, filed on February 21, 2025, entitled "Method, System, Device and Pneumoperitoneum for Controlling Abnormal Pressure Measurement of Pneumoperitoneum", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of medical device technology, and in particular to a method, system, device and insulated machine for controlling abnormal pressure measurement in an insulated machine. Background Technology

[0004] Existing circulating insufflator machines include an air intake channel, a smoke exhaust channel, and a pressure measurement channel. The air intake channel supplies clean carbon dioxide into the insufflator, the smoke exhaust channel removes smoke particles from the insufflator, and the pressure measurement channel, equipped with a pressure sensor, measures the actual pressure inside the insufflator. All three channels are connected to a filter to ensure the purity of the circulating gas. However, the above-mentioned insufflator machines have a problem: they cannot effectively identify pressure monitoring anomalies caused by equipment malfunctions during surgery.

[0005] For example, abnormal pressure caused by air leakage in the pipeline. Filters are disposable consumables, so each surgery requires manually connecting three channels to a new filter, which inevitably leads to problems with incomplete pipeline sealing. If the pressure testing channel pipeline is not tightly sealed and leaks, it will cause abnormal pressure measurement, meaning the pressure value monitored by the pressure testing channel will not match the actual pressure value inside the pneumoperitoneum.

[0006] For example, if the pressure is abnormal due to a bend or blockage in the pipeline, and the air intake channel is blocked, the pressure measuring pipeline can only detect that the pressure inside the pneumatic abdomen is decreasing. However, there are many possible reasons for the decrease in pressure inside the pneumatic abdomen, and it cannot provide more information for judgment, let alone confirm whether the pressure abnormality is caused by the equipment itself.

[0007] Because the pneumoperitoneum machine adjusts the air intake or release based on the pressure value monitored by the pressure measuring channel to ensure that the actual pressure inside the pneumoperitoneum remains within the expected pressure range, if air leakage occurs, the pressure value monitored by the pressure measuring channel will not match the actual pressure value inside the pneumoperitoneum, which will bring huge surgical risks. If a bend or blockage occurs but is not detected, the equipment may continuously adjust in order to maintain the expected pressure range, causing equipment wear and tear and increasing the instability of the pneumoperitoneum.

[0008] Therefore, a new type of pneumoperitoneum machine is needed that can better identify pressure monitoring abnormalities caused by equipment malfunctions during surgery, increase equipment stability, and reduce surgical risks.

[0009] Application content

[0010] The purpose of this application is to provide a method, system, device, and insufflator for controlling abnormal pressure monitoring in an insufflator, thereby solving the technical problem in the prior art of being unable to identify abnormal pressure monitoring caused by equipment malfunctions during surgery.

[0011] In a first aspect, embodiments of this application provide a method for controlling abnormal pressure measurement in an insufflator, comprising: acquiring an inlet pressure, a measured pressure, and an exhaust pressure; calculating the difference between the inlet pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure; when the difference between the inlet pressure and the measured pressure is greater than a first preset difference and less than a second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than a third preset difference and less than a fourth preset difference, selecting the measured pressure as the display pressure; otherwise, initiating a first abnormal pressure measurement detection program.

[0012] Optionally, the first pressure anomaly detection procedure includes:

[0013] When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a first warning signal is issued.

[0014] When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, the static pressure of the exhaust channel is selected as the display pressure, and a second warning signal is issued.

[0015] When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a third warning signal is issued.

[0016] When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, the static pressure of the intake channel is selected as the display pressure, and a fourth warning signal is issued.

[0017] When the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a fifth warning signal is issued.

[0018] When the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a sixth warning signal is issued.

[0019] Optionally, selecting the static pressure of the smoke exhaust channel as the displayed pressure includes: obtaining the pressure of the smoke exhaust channel after a first preset time has elapsed since the smoke exhaust channel stopped exhausting smoke.

[0020] Optionally, selecting the static pressure of the intake channel as the display pressure includes: obtaining the pressure of the intake channel at a time after a second preset time elapsed since the intake channel stopped intake.

[0021] Optionally, obtaining the intake pressure, the measured pressure, and the exhaust pressure includes: obtaining a first intake pressure and a second intake pressure, a first measured pressure and a second measured pressure, a first exhaust pressure and a second exhaust pressure; if the difference between the first intake pressure and the second intake pressure, the difference between the first measured pressure and the second measured pressure, and the difference between the first exhaust pressure and the second exhaust pressure are all less than or equal to a preset precision difference, then the average value of the first intake pressure and the second intake pressure, the first measured pressure and the second measured pressure, and the first exhaust pressure and the second exhaust pressure is taken as the intake pressure, the measured pressure, and the exhaust pressure, respectively; otherwise, a first pressure judgment procedure is initiated.

[0022] Optionally, the first pressure determination procedure includes:

[0023] If the difference between the first intake pressure and the second intake pressure is greater than the preset accuracy difference, the pressure value in which the difference between the first intake pressure and the second intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference is taken as the intake pressure.

[0024] If the difference between the first pressure measurement pressure and the second pressure measurement pressure is greater than the preset accuracy difference, the pressure measurement pressure is selected as the pressure measurement pressure if the difference between the intake pressure and a certain pressure measurement pressure is greater than the first preset difference and less than the second preset difference, and the difference between the certain pressure measurement pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference.

[0025] If the difference between the first exhaust pressure and the second exhaust pressure is greater than the preset accuracy difference, the pressure value in the first exhaust pressure and the second exhaust pressure whose difference with a certain exhaust pressure is greater than the first preset difference and less than the second preset difference shall be taken as the exhaust pressure.

[0026] Secondly, this application also provides a pressure measurement anomaly control system for an insufflator, comprising: a pressure acquisition module configured to acquire inlet pressure, measuring pressure, and exhaust pressure; a difference calculation module configured to calculate the difference between the inlet pressure and the measuring pressure, and the difference between the measuring pressure and the exhaust pressure; and a control module configured to determine whether to activate a first pressure measurement anomaly detection program based on the difference, and select the corresponding pressure as the display pressure.

[0027] Thirdly, embodiments of this application also provide a device for controlling abnormal pressure measurement of an insufflator, including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed, it implements the steps of the method described in any of the preceding items.

[0028] Fourthly, embodiments of this application also provide an insufflator, including the insufflator pressure abnormality control device as described in the third aspect; an insufflator body; an internal piping unit located inside the insufflator body, including an air inlet channel, a pressure measuring channel, and a smoke exhaust channel, the air inlet channel being connected to an air pump, and the smoke exhaust channel being connected to a smoke exhaust pump; a filter unit connected to the insufflator body, the air inlet channel, the smoke exhaust channel, and the pressure measuring channel all being connected to the filter unit; an external piping unit including an air inlet pipe, a pressure measuring pipe, and a smoke exhaust pipe, the external piping unit being connected to the filter unit; a display unit configured to display the real-time pressure inside the insufflator; a pressure sensor unit including three sets of pressure sensor components, the three sets of pressure sensor components being respectively installed in the air inlet channel, the smoke exhaust channel, and the pressure measuring channel; the display unit, the pressure sensor unit, and the internal piping unit are all electrically connected to the insufflator pressure abnormality control device.

[0029] Optionally, the pressure sensor assembly includes two pressure sensors.

[0030] The embodiments of this application have at least the following technical effects:

[0031] This application provides a method for controlling abnormal pressure measurement in an insufflator. During the normal operation of the circulating insufflator, the method ensures that the actual abdominal pressure during surgery remains stable within a suitable range. Therefore, air is continuously supplied to the inlet end, and the inlet pressure is greater than the actual abdominal pressure. The measured pressure is equal to the actual abdominal pressure. Air is continuously drawn in from the exhaust end, so the exhaust pressure is less than the actual abdominal pressure. The relationship among the three is that the inlet pressure is greater than the measured pressure, which is greater than the exhaust pressure. If the equipment is functioning normally, fluctuations in the actual pressure within the pneumoperitoneum due to external factors such as the doctor's actions or changes in the patient's own condition will cause these three pressures to fluctuate together. However, the differences between the inlet pressure and the measured pressure, and between the measured pressure and the exhaust pressure, will remain within a reasonable range. Specifically, the difference between the inlet pressure and the measured pressure should be greater than the first preset difference and less than the second preset difference, and the difference between the measured pressure and the exhaust pressure should be greater than the third preset difference and less than the fourth preset difference. In this case, the equipment is functioning normally, and the measured pressure can be used to display the intra-abdominal pressure. If the difference between the inlet pressure and the measured pressure, or the difference between the measured pressure and the exhaust pressure, is outside the above range, it indicates a malfunction in the equipment itself. In this case, the first pressure measurement anomaly detection program should be activated to identify the fault type based on the actual changes in the differences, and select the pressure value that best represents the actual intra-abdominal pressure as the display pressure. The first preset difference is less than the second preset difference, and the third preset difference is less than the fourth preset difference. The first and third preset differences may be the same or different, and the second and fourth preset differences may also be the same or different. This requires continuous experimentation based on data from actual equipment operation to obtain reasonable values. This application, by monitoring the differences between the inlet pressure and the measured pressure, as well as the differences between the measured pressure and the exhaust pressure, can better identify pressure monitoring anomalies caused by equipment malfunctions during surgery, increasing equipment stability and reducing surgical risks. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 is a schematic flowchart of a method for controlling abnormal pressure measurement of an insufflator provided in an embodiment of this application;

[0034] Figure 2 is a flowchart of the first pressure measurement anomaly detection procedure provided in an embodiment of this application;

[0035] Figure 3 is a schematic diagram of the process for obtaining intake pressure, measured pressure and exhaust pressure provided in the embodiments of this application;

[0036] Figure 4 is a flowchart of the first pressure determination procedure provided in an embodiment of this application;

[0037] Figure 5 is a structural block diagram of the pneumoperitoneum machine provided in an embodiment of this application. Detailed Implementation

[0038] The technical solutions of this application will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0040] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be understood that the term “comprising” as used in the specification of this application means the presence of the stated feature, integer, step, operation, element, and / or component, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or combinations thereof. The term “and / or” as used herein includes all or any unit and all combinations of one or more associated listed items.

[0041] Firstly, referring to Figures 1 to 4, embodiments of this application provide a method for controlling abnormal pressure measurement on an insufflator, including:

[0042] S100: Obtains intake pressure, measured pressure, and exhaust pressure.

[0043] S200: Calculates the difference between the intake pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure.

[0044] S300: When the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the displayed pressure.

[0045] S400: Otherwise, start the first pressure test anomaly detection program.

[0046] In this embodiment, during the normal operation of the circulating pneumoperitoneum machine, to ensure that the actual abdominal pressure during surgery remains stable within a suitable range, air is continuously supplied to the air inlet. At this time, the air inlet pressure is greater than the actual abdominal pressure, and the measured pressure is equal to the actual abdominal pressure. Air is continuously drawn in from the exhaust end, so the exhaust pressure is less than the actual abdominal pressure. The relationship among the three is that the air inlet pressure is greater than the measured pressure, which is greater than the exhaust pressure. If the equipment is functioning normally, fluctuations in the actual pressure within the pneumoperitoneum due to external factors such as the doctor's actions or changes in the patient's own condition will cause these three pressures to fluctuate together. However, the differences between the inlet pressure and the measured pressure, and between the measured pressure and the exhaust pressure, will remain within a reasonable range. Specifically, the difference between the inlet pressure and the measured pressure should be greater than the first preset difference and less than the second preset difference, and the difference between the measured pressure and the exhaust pressure should be greater than the third preset difference and less than the fourth preset difference. In this case, the equipment is functioning normally, and the measured pressure can be used to display the intra-abdominal pressure. If the difference between the inlet pressure and the measured pressure, or the difference between the measured pressure and the exhaust pressure, is outside the above range, it indicates a malfunction in the equipment itself. In this case, the first pressure measurement anomaly detection program should be activated to identify the fault type based on the actual changes in the differences, and select the pressure value that best represents the actual intra-abdominal pressure as the display pressure. Among them, the first preset difference is less than the second preset difference, the third preset difference is less than the fourth preset difference, the first preset difference and the third preset difference may be the same or different, the second preset difference and the fourth preset difference may be the same or different. This requires continuous experimentation based on the data of the equipment in actual operation to finally obtain a reasonable value.

[0047] In this embodiment, by monitoring the difference between the intake pressure and the measured pressure, as well as the change in the difference between the measured pressure and the exhaust pressure, it is possible to better identify pressure monitoring abnormalities caused by equipment malfunctions during surgery, thereby increasing equipment stability and reducing surgical risks.

[0048] In this embodiment, step S400 specifically includes:

[0049] S401: When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a first warning signal is issued.

[0050] In this embodiment, when there is an air leak, which refers to a possible leak between the location of the pressure sensor and the location where the gas reaches the pneumoperitoneum, the pressure value measured by the pressure measuring pipe is the actual pressure of the pneumoperitoneum, so the measured pressure is selected as the displayed pressure. However, the measured pressure value will decrease, and the exhaust pressure value will also decrease, but the difference between the measured pressure and the exhaust pressure is still within the above range. The air intake pressure value also decreases, causing the difference between the air intake pressure and the measured pressure to be less than or equal to the first preset difference. At this time, a warning signal needs to be issued, such as the message "Air leak", to remind the doctor to check the equipment and eliminate the hidden danger in time.

[0051] S402: When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, the static pressure of the exhaust channel is selected as the display pressure, and a second warning signal is issued.

[0052] In this embodiment, "air leakage between intake and pressure measurement" refers to a situation where the two independent pipes inside the filter are not properly sealed, allowing gas that should have entered the pneumatic abdominal cavity to enter the pressure measurement pipe, resulting in leakage. The pressure measurement reading in the pressure measurement pipe is higher than the actual pressure of the pneumatic abdominal cavity, while the intake pressure is lower. Therefore, the difference between the intake pressure and the measured pressure is less than or equal to a first preset difference, while the difference between the measured pressure and the exhaust pressure is greater than or equal to a fourth preset difference. Since the measured pressure no longer represents the actual pressure of the pneumatic abdominal cavity, the static pressure of the exhaust channel is selected as the displayed pressure. A warning signal should be issued, such as a message indicating "air leakage between intake and pressure measurement," to remind the doctor to check the equipment and eliminate potential hazards promptly.

[0053] S403: When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a third warning signal is issued.

[0054] In this embodiment, when the air intake is blocked, which refers to a blockage in the air intake passage from the location of the pressure sensor to the location where the gas reaches the pneumoperitoneum, the pressure value measured by the pressure measuring pipe is the actual pressure of the pneumoperitoneum, so the measured pressure is selected as the displayed pressure. However, the measured pressure value will decrease, and the exhaust pressure value will also decrease, but the difference between the measured pressure and the exhaust pressure is still within the above range. The air intake blockage will cause the gas to not reach the pneumoperitoneum but continue to enter, causing the pressure value in the pipe to increase. This will cause the difference between the air intake pressure and the measured pressure to be greater than or equal to the second preset difference. At this time, a warning signal needs to be issued, such as the message "air intake blockage", to remind the doctor to check the equipment and eliminate the hidden danger in time.

[0055] S404: When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, the static pressure of the intake channel is selected as the display pressure, and a fourth warning signal is issued.

[0056] In this embodiment, when there is a pressure leak or cross-contamination between the pressure measurement and exhaust gas, it means that there may be a leak in the pressure measurement path between the pressure sensor location and the pneumoperitoneum location, or that the filter, which should have two independent pipes, is not properly sealed, causing the exhaust gas to have an outward suction effect on the pressure measurement. These issues result in the pressure measurement value being lower than the actual pressure value of the pneumoperitoneum. The difference between the measured pressure and the exhaust pressure is less than or equal to a third preset difference, and the difference between the inlet pressure and the measured pressure is greater than or equal to a second preset difference. Since the measured pressure can no longer represent the actual pressure of the pneumoperitoneum, the static pressure of the inlet channel is selected as the displayed pressure. A warning signal needs to be issued, such as a message indicating "pressure leak," to remind the doctor to check the equipment and eliminate potential hazards promptly.

[0057] S405: When the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a fifth warning signal is issued.

[0058] In this embodiment, when there is a smoke exhaust leak, which refers to a possible leak in the smoke exhaust path from the location of the pressure sensor to the location where the gas leaves the pneumatic abdomen, the pressure value measured by the pressure measuring pipe is the actual pressure of the pneumatic abdomen, so the measured pressure is selected as the displayed pressure. However, the smoke exhaust pressure will increase due to the reduced outward suction, causing the difference between the measured pressure and the smoke exhaust pressure to be less than or equal to the third preset difference. But the difference between the inlet pressure and the measured pressure is still within the above range. At this time, a warning signal needs to be issued, such as the message "smoke exhaust leak", to remind the doctor to check the equipment and eliminate the hidden danger in time.

[0059] S406: When the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a sixth warning signal is issued.

[0060] In this embodiment, when the exhaust is blocked, which refers to a blockage in the exhaust passage from the location of the pressure sensor to the point where the gas leaves the pneumatic abdomen, the pressure value measured by the pressure measuring pipe is the actual pressure of the pneumatic abdomen, so the measured pressure is selected as the displayed pressure. However, the exhaust pressure will decrease due to the increased outward suction, resulting in a difference between the measured pressure and the exhaust pressure that is greater than or equal to the fourth preset difference. But the difference between the intake pressure and the measured pressure is still within the above range. At this time, a warning signal needs to be issued, such as the message "exhaust blocked", to remind the doctor to check the equipment and eliminate the potential danger in time.

[0061] Specifically, selecting the static pressure of the exhaust duct as the displayed pressure includes: acquiring the pressure of the exhaust duct after a first preset time period has elapsed since the exhaust duct stopped venting smoke. In this embodiment, selecting the static pressure of the exhaust duct as the displayed pressure means that the pressure measured by the pressure sensor in the exhaust duct is the actual pressure inside the gas chamber when the exhaust duct is not venting smoke, at which time the exhaust pump must be stopped. For example, if the exhaust pressure is selected to be displayed at this time, the exhaust needs to stop for 1 second before acquiring the pressure value inside the exhaust duct. The first preset time period of 1 second is only for ease of understanding and is not a limitation on its value.

[0062] Specifically, selecting the static pressure of the intake channel as the displayed pressure includes: obtaining the pressure of the intake channel after a second preset time elapsed since the intake channel stopped receiving air. In this embodiment, selecting the static pressure of the intake channel as the displayed pressure means that the pressure measured by the pressure sensor of the intake channel is the actual pressure inside the gas chamber when the intake channel is not receiving air, at which time the intake pump must be stopped. For example, if the displayed pressure is the intake pressure, the intake needs to stop for 1 second before obtaining the pressure value inside the intake pipe. The second preset time of 1 second is only for ease of understanding and is not a limitation on its value.

[0063] In this embodiment, step S100 specifically includes:

[0064] S101: Obtain the first intake pressure and the second intake pressure, the first pressure measuring pressure and the second pressure measuring pressure, the first exhaust pressure and the second exhaust pressure;

[0065] S102: If the difference between the first intake pressure and the second intake pressure, the difference between the first measured pressure and the second measured pressure, and the difference between the first exhaust pressure and the second exhaust pressure are all less than or equal to the preset accuracy difference, then the average value of the first intake pressure and the second intake pressure, the first measured pressure and the second measured pressure, and the first exhaust pressure and the second exhaust pressure shall be taken as the intake pressure, the measured pressure, and the exhaust pressure, respectively.

[0066] S103: Otherwise, start the first pressure judgment program.

[0067] In this embodiment, to ensure the sensors themselves are functioning correctly, two sensors are placed at the same location to obtain two pressure values. If the difference between the two pressure values ​​is less than or equal to a preset accuracy difference, it indicates that both pressure values ​​are normal, and the average of the two pressure values ​​is selected as the actual pressure value. The preset accuracy difference can be 0.1, 0.01, or other values, selected according to the sensor's accuracy. If the difference between the two pressure values ​​is greater than the preset accuracy difference, it indicates that one of the two sensors may be malfunctioning. In this case, the first pressure judgment program needs to be activated to select the correct pressure value.

[0068] In this embodiment, step S103 specifically includes:

[0069] S1031: If the difference between the first intake pressure and the second intake pressure is greater than the preset accuracy difference, take the pressure value in the first intake pressure and the second intake pressure whose difference with the measured pressure is greater than the first preset difference and less than the second preset difference as the intake pressure.

[0070] S1032: If the difference between the first pressure measurement pressure and the second pressure measurement pressure is greater than a preset accuracy difference, take the pressure measurement pressure in which the difference between the intake pressure and a certain pressure measurement pressure is greater than a first preset difference and less than a second preset difference, and the difference between the certain pressure measurement pressure and the exhaust pressure is greater than a third preset difference and less than a fourth preset difference.

[0071] S1033: If the difference between the first exhaust pressure and the second exhaust pressure is greater than the preset accuracy difference, take the pressure value between the measured pressure and a certain exhaust pressure that is greater than the first preset difference and less than the second preset difference as the exhaust pressure.

[0072] In this embodiment, when the difference between two pressure values ​​at the same location is greater than the preset accuracy difference, the correct pressure value is determined by the difference between the intake pressure, the measured pressure, and the exhaust pressure under normal conditions. This ensures that the surgical process is not affected by sensor malfunction.

[0073] The first intake pressure and the second intake pressure are obtained at the same location, the first pressure measurement pressure and the second pressure measurement pressure are obtained at the same location, and the first exhaust pressure and the second exhaust pressure are obtained at the same location.

[0074] Taking the difference between the first and second intake pressures as an example, if the difference between the first and second intake pressures is greater than a preset accuracy difference, then the first intake pressure value conforms to the condition that the difference between it and the measured pressure is greater than the first preset difference but less than the second preset difference, while the second intake pressure value does not conform to the condition that the difference between it and the measured pressure is greater than the first preset difference but less than the second preset difference. In this case, the first intake pressure value should be selected as the intake pressure. Similarly, other pressure selection methods can be derived, which will not be elaborated upon here.

[0075] Optionally, if one of the first intake pressure and the second intake pressure is used as the intake pressure, that is, after the correct pressure value is confirmed, a prompt signal is given that the other is a fault signal. At this time, the device can also issue the prompt signal to indicate that a certain sensor corresponding to the fault signal is faulty, which facilitates the maintenance of the device after the operation.

[0076] Optionally, if one of the first pressure measurement pressure and the second pressure measurement pressure is used as the pressure measurement pressure, that is, after the correct pressure value is confirmed, a prompt signal is given that the other is a fault signal. At this time, the device can also issue the prompt signal to indicate that a certain sensor corresponding to the fault signal is faulty, which facilitates the maintenance of the device after the operation.

[0077] Optionally, if one of the first exhaust pressure and the second exhaust pressure is used as the exhaust pressure, that is, after the correct pressure value is confirmed, a prompt signal is given that the other is a fault signal. At this time, the equipment can also issue the prompt signal to indicate that a certain sensor corresponding to the fault signal is faulty, which facilitates the maintenance of the equipment after the operation.

[0078] Optionally, the above method can be extended to situations where one of the two intake pressure values, or / and one of the two measured pressure values, or / and one of the two exhaust pressure values ​​malfunction simultaneously. That is, when two or three sensors at different locations malfunction simultaneously, these issues can still be detected. The correct pressure value is the one that matches the difference between the intake pressure, measured pressure, and exhaust pressure. Therefore, the sensors at the three locations can detect each other.

[0079] Secondly, embodiments of this application provide a pressure measurement anomaly control system for an insufflator, comprising: a pressure acquisition module configured to acquire inlet pressure, measuring pressure, and exhaust pressure; a difference calculation module configured to calculate the difference between inlet pressure and measuring pressure, and the difference between measuring pressure and exhaust pressure; and a control module configured to determine whether to initiate a first pressure measurement anomaly detection program based on the difference, and select the corresponding pressure as the display pressure.

[0080] In this embodiment, a pressure acquisition module is used to monitor the pressure in the air intake channel, pressure measurement channel, and rehearsal channel in real time. A difference calculation module calculates the difference between the air intake pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure. A control module is configured to determine whether to activate the first pressure measurement anomaly detection program based on the differences, and select the corresponding pressure as the display pressure. By monitoring changes in the differences between the air intake pressure and the measured pressure, as well as the differences between the measured pressure and the exhaust pressure, pressure monitoring anomalies caused by equipment malfunctions during surgery can be better identified, increasing equipment stability and reducing surgical risks.

[0081] The functions of each module in the pneumoperitoneum machine pressure measurement anomaly control system described in this embodiment are the same as the method steps of the pneumoperitoneum machine pressure measurement anomaly control method described in the previous embodiment. Therefore, for details not covered in this embodiment, please refer to the specific descriptions in the previous embodiments and Figures 1 to 4, and they will not be repeated here.

[0082] Thirdly, this application provides a device for controlling abnormal pressure measurement of an insufflator, including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed, it implements the method steps in the method for controlling abnormal pressure measurement of an insufflator in the foregoing embodiments.

[0083] By using a computer program stored in memory and running on a processor, the system can better identify pressure monitoring anomalies caused by equipment malfunctions during surgery by monitoring changes in the difference between the intake pressure and the measured pressure, as well as the difference between the measured pressure and the exhaust pressure. This increases equipment stability and reduces surgical risks.

[0084] The method steps implemented by the computer program in the pneumoperitoneum machine pressure measurement anomaly control device described in this embodiment correspond to the steps of the pneumoperitoneum machine pressure measurement anomaly control method in the first aspect. For details not covered in this embodiment, please refer to the specific descriptions of the foregoing embodiments and Figures 1 to 4, which will not be repeated here.

[0085] Fourthly, referring to Figure 5, this application embodiment provides an insufflator, including the insufflator pressure measurement anomaly control device in the above embodiment; an insufflator body; an internal piping unit located inside the insufflator body, including an air inlet channel, a pressure measurement channel, and a smoke exhaust channel, the air inlet channel being connected to an air pump, and the smoke exhaust channel being connected to a smoke exhaust pump; a filter unit connected to the insufflator body, the air inlet channel, the smoke exhaust channel, and the pressure measurement channel all being connected to the filter unit; an external piping unit including an air inlet pipe, a pressure measurement pipe, and a smoke exhaust pipe, the external piping unit being connected to the filter unit; a display unit configured to display the real-time pressure inside the insufflator; a pressure sensor unit including three sets of pressure sensor components, the three sets of pressure sensor components being respectively installed in the air inlet channel, the smoke exhaust channel, and the pressure measurement channel; the display unit, the pressure sensor unit, and the internal piping unit are all electrically connected to the insufflator pressure measurement anomaly control device.

[0086] In this embodiment, gas enters the insufflator from the main body of the insufflator through the filter unit and external piping unit. The main body of the insufflator includes an internal piping unit, a pressure sensor unit, and an insufflator pressure anomaly control device. The display unit is also integrated into the main body of the insufflator to provide external pressure information inside the insufflator. Three sets of pressure sensor components are respectively installed on the air intake channel, the smoke exhaust channel, and the pressure measuring channel inside the main body of the insufflator. During normal operation of the equipment, the air intake pump works to ensure continuous air intake at the air intake end. Therefore, the pressure measured by the sensor on the air intake channel, i.e., the air intake pressure, is greater than the actual abdominal cavity pressure. The pressure measured by the sensor on the pressure measuring pipe, i.e., the pressure measuring pressure, is equal to the actual abdominal cavity pressure. The smoke exhaust pump works to ensure continuous air intake at the smoke exhaust end. Therefore, the pressure measured by the sensor on the smoke exhaust pipe, i.e., the smoke exhaust pressure, is less than the actual abdominal cavity pressure. The relationship among the three is: air intake pressure > pressure measuring pressure > smoke exhaust pressure.

[0087] If the equipment is functioning normally, the difference between the inlet pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure, should remain within a reasonable range. The measured pressure should be used to display the intra-abdominal pressure. Otherwise, it indicates a malfunction in the equipment itself. In this case, the first pressure measurement anomaly detection program should be activated to identify the fault type based on the actual changes in the differences, and select the pressure value that best represents the actual intra-abdominal pressure as the display pressure. Blockages are more likely to occur in the external piping unit, while leaks or cross-contamination are more likely to occur at the interfaces of the internal piping unit, the filter unit, and the external piping unit. Although the filter unit in Figure 5 is located outside the insufflator body, this means that the filter unit is disposable and replaceable. It does not mean that the filter unit cannot actually be placed on the insufflator body. If the insufflator body has a structure for placing the filter unit, then the filter unit can be placed on that structure.

[0088] In this embodiment, the pressure difference between the three sets of pressure sensors can better identify pressure monitoring abnormalities caused by equipment malfunctions during surgery, thereby increasing equipment stability and reducing surgical risks.

[0089] Optionally, if it is necessary to use the pressure measured by the sensor on the air intake channel or the pressure measured by the sensor on the exhaust pipe as the intra-abdominal pressure display, the abnormal pressure control device of the pneumoperitoneum machine will send a command to stop the air intake pump or the exhaust pump. Only when the air intake pump or the exhaust pump is not working can the pressure measured by the sensor on the air intake channel or the pressure measured by the sensor on the exhaust pipe represent the actual intra-abdominal pressure.

[0090] Optionally, the insufflator may also include an alarm unit that can emit sound, light, text, etc., to remind doctors to promptly eliminate potential risks.

[0091] Optionally, the pressure sensor assembly includes two pressure sensors. In this embodiment, each pressure sensor assembly includes two pressure sensors, which ensures that if one pressure sensor fails, the other pressure sensor can still support the normal operation of the device without affecting the surgical process. At the same time, the measured pressure is more reliable, improving the stability of the device.

[0092] Similarly, for details not covered in this embodiment, please refer to the foregoing embodiments and the specific descriptions of Figures 1 to 4, which will not be repeated here.

[0093] Those skilled in the art will understand that the steps, measures, and solutions in the various operations, methods, and processes discussed in this application can be alternated, modified, combined, or deleted. Optionally, other steps, measures, and solutions in the various operations, methods, and processes discussed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted. Optionally, steps, measures, and solutions in the prior art that are similar to those disclosed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted.

[0094] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0095] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0096] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0097] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0098] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application. Industrial applicability

[0099] The pressure monitoring abnormality control method of the pneumoperitoneum machine in this application can identify pressure monitoring abnormalities caused by equipment failure during operation by monitoring the difference between the inlet pressure and the measured pressure, as well as the change in the difference between the measured pressure and the exhaust pressure, thereby increasing equipment stability and reducing surgical risks.

Claims

1. A method for controlling abnormal pressure measurement in an insufflator, characterized in that, include: Obtain intake pressure, measured pressure, and exhaust pressure; Calculate the difference between the intake pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure; When the difference between the intake pressure and the measured pressure is greater than a first preset difference and less than a second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than a third preset difference and less than a fourth preset difference, the measured pressure is selected as the display pressure. Otherwise, initiate the first pressure test anomaly detection procedure.

2. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 1, characterized in that, The first pressure anomaly detection program includes: When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a first warning signal is issued. When the difference between the intake pressure and the measured pressure is less than or equal to the first preset difference, and the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, the static pressure of the exhaust channel is selected as the display pressure, and a second warning signal is issued. When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference, the measured pressure is selected as the display pressure, and a third warning signal is issued. When the difference between the intake pressure and the measured pressure is greater than or equal to the second preset difference, and the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, the static pressure of the intake channel is selected as the display pressure, and a fourth warning signal is issued. When the difference between the measured pressure and the exhaust pressure is less than or equal to the third preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a fifth warning signal is issued. When the difference between the measured pressure and the exhaust pressure is greater than or equal to the fourth preset difference, and the difference between the intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference, the measured pressure is selected as the display pressure, and a sixth warning signal is issued.

3. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 2, characterized in that, The step of selecting the static pressure of the smoke exhaust channel as the displayed pressure includes: obtaining the pressure of the smoke exhaust channel after a first preset time has elapsed since the smoke exhaust channel stopped exhausting.

4. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 2, characterized in that, The step of selecting the static pressure of the intake channel as the display pressure includes: obtaining the pressure of the intake channel after a second preset time elapsed since the intake channel stopped intake.

5. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 1, characterized in that, The acquisition of intake pressure, measured pressure, and exhaust pressure includes: Acquire the first intake pressure and the second intake pressure, the first pressure measuring pressure and the second pressure measuring pressure, and the first exhaust pressure and the second exhaust pressure; If the difference between the first intake pressure and the second intake pressure, the difference between the first measured pressure and the second measured pressure, and the difference between the first exhaust pressure and the second exhaust pressure are all less than or equal to a preset accuracy difference, then the average value of the first intake pressure and the second intake pressure is taken as the intake pressure, the average value of the first measured pressure and the second measured pressure is taken as the measured pressure, and the average value of the first exhaust pressure and the second exhaust pressure is taken as the exhaust pressure. Otherwise, initiate the first pressure assessment procedure.

6. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 5, characterized in that, The first pressure determination procedure includes: If the difference between the first intake pressure and the second intake pressure is greater than the preset accuracy difference, the pressure value in which the difference between the first intake pressure and the second intake pressure and the measured pressure is greater than the first preset difference and less than the second preset difference shall be taken as the intake pressure. If the difference between the first pressure measurement pressure and the second pressure measurement pressure is greater than the preset accuracy difference, the pressure measurement pressure is selected as the pressure measurement pressure if the difference between the intake pressure and a certain pressure measurement pressure is greater than the first preset difference and less than the second preset difference, and the difference between the certain pressure measurement pressure and the exhaust pressure is greater than the third preset difference and less than the fourth preset difference. If the difference between the first exhaust pressure and the second exhaust pressure is greater than the preset accuracy difference, the pressure value in the first exhaust pressure and the second exhaust pressure whose difference with the measured pressure is greater than the first preset difference and less than the second preset difference shall be taken as the exhaust pressure.

7. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 6, characterized in that, The method further includes: If one of the first intake pressure and the second intake pressure is used as the intake pressure, then a prompt signal is given that the other is a fault signal. If one of the first pressure measurement pressure and the second pressure measurement pressure is used as the pressure measurement pressure, then a prompt signal is given that the other is a fault signal; If one of the first exhaust pressure and the second exhaust pressure is used as the exhaust pressure, then a prompt signal is given indicating that the other is a fault signal.

8. The method for controlling abnormal pressure measurement in a pneumoperitoneum machine according to claim 5, characterized in that, The first intake pressure and the second intake pressure are obtained at the same location, the first pressure measurement pressure and the second pressure measurement pressure are obtained at the same location, and the first exhaust pressure and the second exhaust pressure are obtained at the same location.

9. A control system for abnormal pressure measurement in an insufflator, characterized in that, include: The pressure acquisition module is configured to acquire intake pressure, measured pressure, and exhaust pressure. The difference calculation module is configured to calculate the difference between the intake pressure and the measured pressure, and the difference between the measured pressure and the exhaust pressure; The control module is configured to determine whether to start the first pressure measurement anomaly detection program based on the difference, and select the corresponding pressure as the display pressure.

10. A device for controlling abnormal pressure measurement in an insufflator, characterized in that, It includes a processor, a memory, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed, implements the steps of the method as claimed in any one of claims 1 to 8.

11. A pneumoperitoneum machine, characterized in that, Includes the abnormal pressure control device for the pneumoperitoneum machine as described in claim 10; Main body of the insufflator; An internal piping unit, located inside the main body of the pneumoperitoneum machine, includes an air intake channel, a pressure measuring channel, and a smoke exhaust channel. The air intake channel is connected to an air intake pump, and the smoke exhaust channel is connected to a smoke exhaust pump. A filter unit is connected to the main body of the insufflator, and the air inlet channel, the smoke exhaust channel, and the pressure measuring channel are all connected to the filter unit; An external piping unit, comprising an air intake pipe, a pressure measuring pipe, and a smoke exhaust pipe, is connected to the filter unit; The display unit is configured to display the real-time pressure inside the pneumoperitoneum. A pressure sensor unit, comprising three sets of pressure sensor components, which are respectively installed in the air intake channel, the smoke exhaust channel, and the pressure measurement channel; The display unit, the pressure sensor unit, and the internal piping unit are all electrically connected to the pressure anomaly control device of the pneumoperitoneum machine.

12. The pneumoperitoneum machine according to claim 11, characterized in that, The pressure sensor assembly includes two pressure sensors.

13. The pneumoperitoneum machine according to claim 11, characterized in that, The pneumoperitoneum machine also includes an alarm unit, which is electrically connected to the pressure abnormality control device of the pneumoperitoneum machine.

14. The pneumoperitoneum machine according to claim 12, characterized in that, The display unit is integrated into the main body of the pneumoperitoneum machine.

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