Operating room environment monitoring system
By designing an operating room environmental monitoring system, the environmental parameters are collected and processed in real time and the equipment is automatically adjusted, the problems of inaccurate monitoring in the existing technology are solved, the risk of infection is reduced, and the success rate of surgery is improved.
Patent Information
- Application Number
- CN202510575945.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2025-07-18
AI Technical Summary
The existing operating room environmental monitoring system is difficult to achieve real-time, automated and high-precision environmental parameter monitoring, which affects the risk and success rate of surgical infection.
An operating room environmental monitoring system is designed, including a monitoring module, a data processing module, a control module, a reception module and a communication module. Through sensors, they collect environmental parameters in real time, perform data processing and analysis, automatically adjust environmental equipment, and provide real-time data display and remote monitoring.
Real-time, automated and precise monitoring of the operating room environment, reduce infection risk, improve surgery success rate, and support remote management and data optimization.
Smart Images

Figure CN120332910A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical environment monitoring, and particularly to an operating room environment monitoring system. Background Art
[0002] With the rapid development of China's medical industry, the demand for medical operating rooms is continuously increasing. The operating room is a place for providing surgeries and rescues for patients and is an important technical department of the hospital. Improving the environment of the operating room is particularly important, which is mainly reflected in the air in the operating room, the items required for the surgery, the fingers of doctors and nurses, and the skin of patients to prevent infections and ensure the success rate of the surgery.
[0003] Hospital environmental hygiene studies the relationship between the hospital environment and population health. A good environment can reduce pollution, lower the incidence of infections, and prevent the spread of harmful factors. As an important place in the hospital, the environment of the operating room is crucial for the success rate of surgeries and the health of patients and medical staff.
[0004] Although some existing systems can monitor some environmental factors, there are still some problems. In order to improve the efficiency of operating room environment monitoring, subsequent tracking and processing are usually carried out on the necessary operating room environment monitoring data. However, it is difficult to monitor the environmental parameters in the operating room in real time to ensure the safety and sterility of the operating environment, and the automation, real-time performance, and accuracy are relatively low, which affects the risk of surgical infections and the success rate of surgeries. Summary of the Invention
[0005] The purpose of the present invention is to provide an operating room environment monitoring system to monitor the environmental parameters in the operating room in real time and ensure the safety and sterility of the operating environment. The system has the characteristics of automation, real-time performance, and high precision, and can effectively reduce the risk of surgical infections and improve the success rate of surgeries.
[0006] To achieve the above purpose, the present invention provides the following technical solution: An operating room environment monitoring system includes a monitoring module, a data processing module, a control module, a receiving module, and a communication module.
[0007] The monitoring module is used to collect the environmental parameters in the operating room in real time through sensors. It can continuously monitor the environmental parameters in the operating room for 24 hours to timely detect abnormal situations in the environment.
[0008] The data processing module is used to collect the data collected by the sensors and perform processing and analysis. It can record historical data and generate reports through data analysis to help the hospital optimize the environmental management strategy.
[0009] The control module is used to automatically adjust the environmental equipment according to the monitoring results. When a certain indicator exceeds the safe range, the system will automatically issue an alarm to remind relevant personnel to take measures.
[0010] The receiving module is used to receive the monitored data and provide real-time data display. Medical staff can view the environmental data in the operating room at any time and place through remote devices, improving management efficiency.
[0011] The communication module is used to achieve data transmission and remote monitoring, ensuring system compatibility and expandability.
[0012] Preferably, the sensors of the present invention include a temperature sensor, a humidity sensor, a barometric pressure sensor, an air quality sensor, a light sensor, a noise sensor, and a microbial sensor.
[0013] The temperature sensor is used to monitor the temperature in the operating room, and the temperature is maintained at 20 - 24 °C; the humidity sensor is used to monitor the humidity in the operating room, and the humidity is maintained between 40% - 60% to prevent the growth of bacteria and the generation of static electricity; the barometric pressure sensor is used to monitor the barometric pressure in the operating room and maintain a positive pressure environment, with the barometric pressure in the operating room being 5 - 15 Pa higher than that outside the operating room to prevent the entry of external polluted air; the air quality sensor is used to monitor the particulate matter and harmful gases in the air, the particulate matter being PM2.5 and PM10, and the harmful gases being CO2 and VOCs; the light sensor is used to monitor the light intensity in the surgical area, with the light intensity being 500 - 1000 lux to ensure sufficient lighting; the noise sensor is used to monitor the noise level in the operating room, with the noise being less than 50 decibels to ensure a quiet environment; the microbial sensor is used to detect the microbial concentration in the air, such as bacteria and fungi, to ensure a sterile environment.
[0014] Preferably, the temperature sensor of the present invention adopts a high-precision digital temperature sensor, and the high-precision digital temperature sensor includes DS18B20 or PT100, with an accuracy of up to ±0.1 °C; the humidity sensor adopts a capacitive humidity sensor, and the capacitive humidity sensor includes the Honeywell HIH series, with an accuracy of up to ±2%RH; the barometric pressure sensor adopts a high-precision barometric pressure sensor, and the high-precision barometric pressure sensor includes BMP280, with an accuracy of up to ±0.1 hPa; the air quality sensor adopts a laser particulate sensor and an electrochemical gas sensor, the laser particulate sensor includes Sensirion SPS30, and the electrochemical gas sensor includes the MQ series; the light sensor adopts a photodiode or a photoresistive sensor, including BH1750; the noise sensor adopts a microphone-type noise sensor, including MAX4466; the microbial sensor adopts a bioaerosol sensor, combining a particle counter with fluorescence detection technology.
[0015] Preferably, the data processing module includes an acquisition unit, a processing unit, and a storage unit.
[0016] The acquisition unit receives sensor data in real time to ensure data integrity and consistency. The acquisition unit uses a multi-channel data acquisition card or an embedded acquisition module. Embedded acquisition modules such as Arduino and Raspberry Pi, and multi-channel data acquisition cards such as NI DAQ.
[0017] The processing unit includes preprocessing and real-time analysis of the acquired data. Preprocessing includes data cleaning, data standardization, and data fusion.
[0018] Data cleaning is used to remove invalid data, noise, and outliers; data standardization is used to unify the data from different sensors to the same scale for convenient real-time analysis; data fusion is used to fuse the data from sensors to improve data integrity and accuracy.
[0019] Real-time analysis is used to analyze the change trend of environmental parameters, predict future states, use linear regression to fit the data trend line, predict future values, and real-time detect whether the environmental parameters exceed the normal range, and set upper and lower threshold values. An alarm is triggered when the range is exceeded.
[0020] The storage unit includes storing the processed data in a local or cloud database for subsequent analysis and query Preferably, as the present invention, the control module includes an air-conditioning control system, an air purification system, a lighting control system, a positive pressure control system, and an alarm system. The air-conditioning and purification system automatically starts and stops the air purification equipment according to the air quality data; the lighting control system automatically adjusts the lighting intensity of the operating room according to the light data; the positive pressure control system automatically adjusts the air supply system according to the air pressure data to maintain a positive pressure environment; when the environmental parameters exceed the set range, the alarm system automatically triggers an alarm and records abnormal events.
[0021] Preferably, as the present invention, the receiving module includes real-time displaying environmental parameters in the form of charts and numbers; the database supports querying historical data and generating trend analysis reports; alarm prompts, when the environment is abnormal, a prompt is popped up through the interface or a sound alarm is given. Multi-terminal query is supported, which is convenient for staff to view data on devices such as computers, mobile phones, and pads at any time, and is convenient for medical staff to view.
[0022] Preferably, as the present invention, the real-time display of environmental parameters is presented using a Web interface or a mobile APP. The query of historical data uses a database and a data visualization tool, and the alarm prompt is implemented using WebSocket for real-time notification.
[0023] Preferably, the communication module of the present invention includes internal communication and external communication; the internal communication is connected to sensors, control devices, and data processing units through wired or wireless means. For wired communication, RS485 or CAN bus is used, and for wireless communication, Wi-Fi or ZigBee is used; the external communication realizes remote monitoring and data sharing through the Internet or local area network, and the external communication uses MQTT, HTTP, or TCP / IP protocol.
[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention continuously monitors the environmental parameters of the operating room, automatically adjusts the environmental equipment according to the monitoring data, issues an alarm and records when an abnormality occurs, thereby reducing the infection risk, ensuring the safety of patients, reducing manual intervention through automatic adjustment, providing data support, optimizing the management of the operating room, and facilitating remote monitoring and management. It ensures the safety and sterility of the operating room environment and improves the success rate of surgery. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the system of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.
[0028] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] Embodiment 1
[0030] Please refer to Figure 1, this embodiment provides a technical solution for the application of a monitoring module in an operating room environment monitoring system to collect the environmental parameters in the operating room in real time, including temperature, humidity, air pressure, air quality, illumination, noise, and microbial concentration, etc.
[0031] The monitoring module is used to collect the environmental parameters in the operating room in real time through sensors, and can continuously monitor the environmental parameters in the operating room for 24 hours to timely detect abnormal situations in the environment.
[0032] The sensors include a temperature sensor, a humidity sensor, an air pressure sensor, an air quality sensor, an illumination sensor, a noise sensor, and a microbial sensor.
[0033] The temperature sensor is used to monitor the temperature in the operating room, and the temperature is maintained at 20 - 24 °C. The temperature sensors are installed at multiple points near the operating table, on the walls, the ceiling, etc. to avoid local temperature deviation.
[0034] The humidity sensor is used to monitor the humidity in the operating room, and the humidity is maintained between 40% - 60% to prevent the growth of bacteria and the generation of static electricity. It is installed in cooperation with the temperature sensor to ensure the synchronization of temperature and humidity data.
[0035] The air pressure sensor is used to monitor the air pressure in the operating room to maintain a positive pressure environment. The air pressure in the operating room is 5 - 15 Pa higher than the air pressure environment outside the operating room to prevent external polluted air from entering. It is close to the air supply outlet and the exhaust outlet to monitor the air pressure difference in real time.
[0036] The air quality sensor is used to monitor the particulate matter and harmful gases in the air. The particulate matter is PM2.5 and PM10, and the harmful gases are CO2 and VOCs. It is installed in the center and corners of the operating room to comprehensively cover the air quality monitoring.
[0037] The illumination sensor is used to monitor the illumination intensity in the surgical area, and the illumination intensity is 500 - 1000 lux to ensure sufficient lighting, near the surgical lamp and around the operating table.
[0038] The noise sensor is used to monitor the noise level in the operating room, and the noise is below 50 decibels to ensure a quiet environment, on the walls or ceiling of the operating room.
[0039] The microbial sensor is used to detect the microbial concentration in the air, such as bacteria and fungi, to ensure a sterile environment, in the center and near the air supply outlet of the operating room.
[0040] The temperature sensor uses a high-precision digital temperature sensor, which includes DS18B20 or PT100, with an accuracy of up to ±0.1°C; the humidity sensor uses a capacitive humidity sensor, which includes the Honeywell HIH series, with an accuracy of up to ±2%RH; the barometric pressure sensor uses a high-precision barometric pressure sensor, which includes BMP280, with an accuracy of up to ±0.1 hPa; the air quality sensor uses a laser particle sensor and an electrochemical gas sensor, the laser particle sensor includes Sensirion SPS30, and the electrochemical gas sensor includes the MQ series; the light sensor uses a photodiode or a photoresistive sensor, including BH1750; the noise sensor uses a microphone-type noise sensor, including MAX4466; the microbial sensor uses a bioaerosol sensor and a particle counter combined with fluorescence detection technology.
[0041] The sensor module is the foundation of the system and is responsible for collecting the environmental parameters in the operating room in real time.
[0042] With multi-point distribution, real-time monitoring, and high reliability, the sensor module is the foundation of the system, responsible for providing the original environmental data and providing a basis for subsequent processing and control.
[0043] Embodiment 2
[0044] Please refer to Figure 1 , this embodiment provides a technical solution for the application of the data processing module in an operating room environmental monitoring system. It collects sensor data and performs preprocessing (such as filtering, denoising, and standardization) and real-time analysis (such as trend analysis and anomaly detection).
[0045] The data processing module is used to collect the data collected by the sensors and perform processing and analysis.
[0046] The data processing module includes an acquisition unit, a processing unit, and a storage unit.
[0047] The acquisition unit receives sensor data in real time to ensure data integrity and consistency. The acquisition unit uses a multi-channel data acquisition card or an embedded acquisition module. The embedded acquisition module is such as Arduino or Raspberry Pi, and the multi-channel data acquisition card is such as NI DAQ.
[0048] The processing unit includes preprocessing and real-time analysis of the collected data. The preprocessing includes data cleaning, data standardization, and data fusion.
[0049] Data cleaning is used to remove invalid data, noise, and outliers; data normalization is used to unify data from different sensors to the same scale for real-time analysis; data fusion is used to fuse data from sensors to improve data integrity and accuracy.
[0050] Real-time analysis is used to analyze the changing trends of environmental parameters, predict future states, fit a data trend line using linear regression to predict future values, and real-time detect whether environmental parameters exceed the normal range and set upper and lower threshold values, triggering an alarm when the range is exceeded.
[0051] The storage unit includes storing the processed data in a local or cloud database for subsequent analysis and query.
[0052] An embedded processor (such as the ARM Cortex series) and an edge computing device (such as the NVIDIA Jetson Nano) are adopted, combined with digital filtering algorithms (such as Kalman filtering) and machine learning algorithms (such as Isolation Forest).
[0053] Efficient, real-time, and intelligent, the data acquisition and processing module is the core of the system, responsible for converting raw data into valuable information and providing support for control decisions.
[0054] Example 3
[0055] Please refer to Figure 1 , this example provides a technical solution for the application of a control module in an operating room environment monitoring system, automatically adjusting operating room environment equipment (such as air conditioners, air purifiers, lighting, positive pressure systems) according to the monitoring results, and triggering an alarm in case of abnormalities.
[0056] The control module is used to automatically adjust environmental equipment according to the monitoring results. When it is detected that a certain indicator exceeds the safe range, the system will automatically issue an alarm to remind relevant personnel to take measures.
[0057] The control module includes an air conditioner control system, an air purification system, a lighting control system, a positive pressure control system, and an alarm system. The air conditioner purification system automatically starts and stops air purification equipment according to air quality data; the lighting control system automatically adjusts the lighting intensity of the operating room according to light data; the positive pressure control system automatically adjusts the air supply system according to air pressure data to maintain a positive pressure environment; the alarm system automatically triggers an alarm and records abnormal events when environmental parameters exceed the set range.
[0058] PID control algorithm, PWM signal control, and rule engine can be cooperatively adopted, combined with hardware devices such as relays and frequency converters.
[0059] Automated, fast response, and high precision, the control module is the execution part of the system, responsible for maintaining the stability and safety of the operating room environment.
[0060] Example 4
[0061] Please refer to Figure 1 , this embodiment provides a technical solution for the application of a receiving module in an operating room environment monitoring system, providing an intuitive operation and monitoring platform for medical staff, including functions such as real-time data display, historical data query, alarm record, parameter setting, and remote access.
[0062] The receiving module is used to receive the monitored data and provide real-time data display. Medical staff can view the environmental data in the operating room at any time and place through remote devices, improving management efficiency.
[0063] The receiving module includes real-time display of environmental parameters in the form of charts and numbers; the database supports querying historical data and generating trend analysis reports; alarm prompts, when the environment is abnormal, a prompt is popped up through the interface or a sound alarm is given. It supports multi-terminal query, facilitating staff to view data on devices such as computers, mobile phones, and tablets at any time, which is convenient for medical staff to view.
[0064] The real-time display of environmental parameters is presented using a Web interface or a mobile APP, the query of historical data uses a database and data visualization tools, and the alarm prompt is implemented using WebSocket for real-time notification.
[0065] Adopt Web front-end frameworks (such as React, Vue.js) and mobile development tools (such as Flutter), combined with data visualization libraries (such as ECharts, Chart.js) and real-time communication technologies (such as WebSocket).
[0066] With a friendly, intuitive, and responsive design, the user interface is the bridge between the system and the user, ensuring that medical staff can quickly obtain information and make decisions.
[0067] Example 5
[0068] Please refer to Figure 1 , this embodiment provides a technical solution for the application of a communication module in an operating room environment monitoring system, realizing data transmission inside and outside the system, including sensor data acquisition, control instruction issuance, and remote monitoring.
[0069] The communication module is used to realize data transmission and remote monitoring. Ensure system compatibility and scalability.
[0070] The communication module includes internal communication and external communication; the internal communication is connected to sensors, control devices, and data processing units through wired or wireless means. Wired communication uses RS485 or CAN bus, and wireless communication uses Wi-Fi or ZigBee; external communication realizes remote monitoring and data sharing through the Internet or local area network, and external communication uses MQTT, HTTP, or TCP / IP protocol.
[0071] Adopt wired communication (such as RS485, CAN bus) and wireless communication (such as Wi-Fi, ZigBee), and support multiple communication protocols (such as MQTT, HTTP, TCP / IP).
[0072] With high reliability, low latency, and strong compatibility, the communication module is the neural network of the system, ensuring the efficient transmission of data and the collaborative work of the system.
[0073] Based on the various modules of the operating room environment monitoring system described in Embodiments 1-5, they work together to ensure the safety and sterility of the operating room environment. Each module has its unique functions and technical requirements, jointly constituting an efficient, reliable, and intelligent system. By refining the design and implementation of each module, the performance and user experience of the system can be further improved, providing strong support for operating room management.
[0074] And the operating rooms of this application can ensure the safety and sterility of the surgical environment. When applied to emergency rooms and ICUs, the environmental conditions of critically ill patients can be monitored. When applied to laboratories and clean rooms, a high-standard clean environment can be maintained.
[0075] It should be noted that: the entire device is controlled through the main control button. Since the devices matched with the control button are common devices and belong to the existing mature technologies, the electrical connection relationship and the specific circuit structure are not described in detail here.
[0076] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An operating room environment monitoring system, characterized in that: It includes a monitoring module, a data processing module, a control module, a receiving module, and a communication module; The monitoring module is used to collect the environmental parameters in the operating room in real time through sensors; The data processing module is used to collect the data collected by the sensors and perform processing and analysis; The control module is used to automatically adjust the environmental equipment according to the monitoring results; The receiving module is used to receive the monitored data and provide real-time data display; The communication module is used to realize data transmission and remote monitoring.
2. The operating room environment monitoring system according to claim 1, wherein: The sensors include a temperature sensor, a humidity sensor, a pressure sensor, an air quality sensor, a light sensor, a noise sensor, and a microbial sensor; The temperature sensor is used to monitor the temperature in the operating room, and the temperature is maintained at 20-24°C; the humidity sensor is used to monitor the humidity in the operating room, and the humidity is maintained between 40%-60%; the pressure sensor is used to monitor the air pressure in the operating room and maintain a positive pressure environment, and the air pressure environment in the operating room is 5-15Pa higher than the air pressure environment outside the operating room; the air quality sensor is used to monitor the particulate matter and harmful gases in the air, the particulate matter is PM2.5 and PM10, and the harmful gases are CO2 and VOCs; the light sensor is used to monitor the light intensity in the surgical area, and the light intensity is 500-1000lux; the noise sensor is used to monitor the noise level in the operating room, and the noise is below 50 decibels; the microbial sensor is used to detect the microbial concentration in the air.
3. The operating room environment monitoring system according to claim 2, characterized in that: The temperature sensor adopts a high-precision digital temperature sensor; the humidity sensor adopts a capacitive humidity sensor; the pressure sensor adopts a high-precision pressure sensor; the air quality sensor adopts a laser particulate sensor and an electrochemical gas sensor; the light sensor adopts a photodiode or a photoresistive sensor; the noise sensor adopts a microphone-type noise sensor; the microbial sensor adopts a bioaerosol sensor.
4. The operating room environment monitoring system according to claim 1, wherein: The data processing module includes an acquisition unit, a processing unit, and a storage unit; The acquisition unit receives the sensor data in real time to ensure data integrity and consistency, and the acquisition unit adopts a multi-channel data acquisition card or an embedded acquisition module; The processing unit includes preprocessing and real-time analysis of the collected data. The preprocessing includes data cleaning, data standardization, and data fusion; The storage unit includes storing the processed data in a local or cloud database for subsequent analysis and query.
5. The operating room environment monitoring system according to claim 4, wherein: The data cleaning is used to remove invalid data, noise, and outliers; the data standardization is used to unify the data from different sensors to the same scale for real-time analysis; The data fusion is used to fuse the data from the sensors to improve the integrity and accuracy of the data.
6. The operating room environment monitoring system according to claim 4, characterized in that: The real-time analysis is used to analyze the change trend of the environmental parameters, predict the future state, use linear regression to fit the data trend line, predict the future value, and real-time detect whether the environmental parameters exceed the normal range, and set the upper and lower limit thresholds. If the range is exceeded, an alarm is triggered.
7. An operating room environment monitoring system according to claim 1, characterized in that: The control module includes an air-conditioning control system, an air purification system, a lighting control system, a positive pressure control system, and an alarm system; The air-conditioning and purification system automatically starts and stops the air purification equipment according to the air quality data; The lighting control system automatically adjusts the lighting intensity in the operating room according to the light data; The positive pressure control system automatically adjusts the air supply system according to the air pressure data to maintain a positive pressure environment; the alarm system automatically triggers an alarm and records abnormal events when the environmental parameters exceed the set range.
8. An operating room environment monitoring system according to claim 1, characterized in that: The receiving module includes real-time display of environmental parameters in the form of charts and numbers; the database supports querying historical data and generating trend analysis reports; the alarm prompt pops up a prompt through the interface or gives a sound alarm when the environment is abnormal.
9. An operating room environment monitoring system according to claim 7, characterized in that: The real-time display of environmental parameters is presented using a Web interface or a mobile APP, the query of historical data uses a database and a data visualization tool, and the alarm prompt uses WebSocket to achieve real-time notification.
10. The operating room environment monitoring system according to claim 1, characterized in that: The communication module includes internal communication and external communication; the internal communication connects sensors, control devices, and data processing units through wired or wireless means. Wired communication uses RS485 or CAN bus, and wireless communication uses Wi-Fi or ZigBee; external communication realizes remote monitoring and data sharing through the Internet or local area network, and external communication uses MQTT, HTTP, or TCP / IP protocols.