CN120102007A - A pressure control method and system based on temperature recognition - Google Patents
A pressure control method and system based on temperature recognition Download PDFInfo
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- CN120102007A CN120102007A CN202510196250.5A CN202510196250A CN120102007A CN 120102007 A CN120102007 A CN 120102007A CN 202510196250 A CN202510196250 A CN 202510196250A CN 120102007 A CN120102007 A CN 120102007A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/20—Clinical contact thermometers for use with humans or animals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
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Abstract
本发明提供了一种基于温度识别的压力控制方法及系统，包括以下步骤：获取各气囊所处空间的环境温度，并对各气囊表面进行检测，获取气囊表面温度，基于环境温度和气囊表面温度，生成温度分布图；根据温度分布图，确定压力调整区域，以及压力调整区域的压力调整数据；本发明公开了一种基于温度识别的压力控制方法，通过实时监测皮肤温度变化，能够及时识别出潜在的压力集中区域，实现早期预警，显著提升了预防压力性损伤的时效性和准确性，有效降低了因人为疏忽而导致压力性损伤发生的风险；能够实现对特定区域的精准减压，这种精准减压机制有助于避免过度减压或减压不足的问题，确保了患者在减压过程中的舒适性，同时有效预防压力性损伤的发生。
The present invention provides a pressure control method and system based on temperature recognition, comprising the following steps: obtaining the ambient temperature of the space where each airbag is located, and detecting the surface of each airbag to obtain the surface temperature of the airbag, and generating a temperature distribution map based on the ambient temperature and the surface temperature of the airbag; determining the pressure adjustment area and the pressure adjustment data of the pressure adjustment area according to the temperature distribution map; the present invention discloses a pressure control method based on temperature recognition, which can timely identify potential pressure concentration areas by real-time monitoring of skin temperature changes, achieve early warning, significantly improve the timeliness and accuracy of preventing pressure injuries, and effectively reduce the risk of pressure injuries caused by human negligence; it can achieve precise decompression of specific areas, and this precise decompression mechanism helps to avoid the problem of excessive or insufficient decompression, ensure the comfort of patients during the decompression process, and effectively prevent the occurrence of pressure injuries.
Description
Technical Field
The invention relates to the technical field of pressure control, in particular to a pressure control method and system based on temperature identification.
Background
Pressure injuries (Pressure I njury, P I), commonly known as decubitus ulcers, are common complications for patients who are bedridden or restricted in mobility. Such damage usually occurs at the apophyseal site, particularly the sacral tail, and eventually necrosis occurs due to ischemia and hypoxia of the local skin and subcutaneous tissue caused by sustained pressure. The traditional preventive measures mainly depend on manual timing turning over and auxiliary equipment such as an air cushion bed, but the methods have the problems of low efficiency, difficulty in accurately controlling a decompression area and the like.
With the development of medical monitoring technology, particularly the application of skin temperature monitoring technology, a new view is provided for early identification and prevention of pressure injury. An increase in skin temperature is generally indicative of a blocked microvascular blood flow and is a key indicator of the early stages of pressure injury. By monitoring skin temperature when lesions have not formed significant changes on the skin surface, medical personnel can identify potential risk areas in time and take precautions such as adjusting patient position or using advanced pressure relief devices. Research shows that the skin temperature monitoring has application potential in a pressure injury risk early warning system. Continuous monitoring of skin temperature, combined with quantitative risk assessment, helps to take effective precautions before lesion formation.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a pressure control method and a system based on temperature identification.
The invention provides a pressure control method based on temperature identification, which comprises the following steps:
acquiring the ambient temperature of the space where each air bag is located, detecting the surface of each air bag, acquiring the surface temperature of the air bag, and generating a temperature distribution map based on the ambient temperature and the surface temperature of the air bag;
Determining a pressure adjustment area and pressure adjustment data of the pressure adjustment area according to the temperature distribution diagram;
Acquiring air pressure data of each air bag to obtain a pressure distribution map;
Inputting the pressure adjustment data and the pressure distribution map into a prediction model, and predicting and obtaining the pressure adjustment times of each air sac in the pressure adjustment area and the pressure adjustment value corresponding to each pressure adjustment;
And adjusting the air pressure of each air bag according to the pressure adjustment times and the pressure adjustment value.
In some embodiments, determining a number of pressure adjustment regions from the temperature profile includes:
Matching the temperature distribution map with a temperature distribution template in a database, wherein the temperature distribution template comprises index environment temperature, template surface temperature and a first pressure adjustment value corresponding to the template surface temperature;
Determining a good temperature distribution template based on the ambient temperature and the index ambient temperature;
matching and calculating the template surface temperature corresponding to the first pressure adjustment value of 0 in the temperature distribution template with the airbag surface temperature;
if the matching calculation result is greater than P, the air bag area in the temperature distribution diagram is a pressure adjustment area.
In some embodiments, determining pressure adjustment data for a pressure adjustment region includes:
Matching and calculating the surface temperature of the air bag in the pressure adjusting area with the surface temperature of the template in the temperature distribution template;
And if the matching calculation result is Q or less, taking a plurality of first pressure adjustment values corresponding to the matched template surface temperature as pressure adjustment data.
In some embodiments, inputting the pressure adjustment data and the pressure distribution map into a prediction model, predicting the number of times of pressure adjustment of each air bag in the pressure adjustment area, and a pressure adjustment value corresponding to each pressure adjustment, including:
The prediction model calculates the pressure adjustment times of each air bag according to the first pressure adjustment value of each air bag in the pressure adjustment data, and obtains the second pressure adjustment value corresponding to each pressure adjustment;
acquiring a contact coefficient of each air bag, and determining an influence coefficient according to the contact coefficient and the position relationship between adjacent air bags;
and fine-tuning the second pressure adjustment values through the influence coefficients to obtain third pressure adjustment values, pressure adjustment time and pressure adjustment sequence of each air bag for each pressure adjustment.
In some embodiments, determining the influence coefficient from the contact coefficient and the positional relationship between adjacent airbags includes:
Acquiring a data relationship between the air pressure and the contact area of each air bag, and determining the contact coefficient of each air bag;
Acquiring position data of each air bag, wherein the position data comprises height data and inclination data;
the influence coefficient is determined based on the contact coefficient and the positional relationship between the adjacent airbags.
The invention also provides a pressure control system based on temperature identification, which comprises a temperature detection device, a processing device and a storage device, wherein the processing device is respectively and electrically connected with the storage device and the temperature detection device,
The temperature detection equipment is used for detecting the ambient temperature and the surface temperature of each air bag and transmitting the ambient temperature and the surface temperature to the processing equipment;
the storage device for storing executable computer program code;
the processing device is configured to execute the above method by calling the executable computer program code in the storage device, so as to generate the number of times of pressure adjustment of each air bag, and a corresponding pressure adjustment value for each pressure adjustment, and control the air pump to adjust the air pressure to the corresponding air bag.
The invention has the beneficial effects that:
the invention discloses a pressure control method based on temperature identification, which can identify a potential pressure concentration area in time by monitoring skin temperature change in real time, realize early warning, remarkably improve timeliness and accuracy of preventing pressure injury, effectively reduce risk of pressure injury caused by negligence, realize accurate depressurization of a specific area, and ensure comfort of a patient in a depressurization process and effectively prevent pressure injury.
Drawings
FIG. 1 is a schematic diagram of a pressure control system of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure are described below, including various details of the embodiments of the present disclosure to aid in understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
The embodiment of the invention discloses a pressure control method based on temperature identification, which comprises the following steps:
acquiring the ambient temperature of the space where each air bag is located, detecting the surface of each air bag, acquiring the surface temperature of the air bag, and generating a temperature distribution map based on the ambient temperature and the surface temperature of the air bag;
Determining a pressure adjustment area and pressure adjustment data of the pressure adjustment area according to the temperature distribution diagram;
Acquiring air pressure data of each air bag to obtain a pressure distribution map;
Inputting the pressure adjustment data and the pressure distribution map into a prediction model, and predicting and obtaining the pressure adjustment times of each air sac in the pressure adjustment area and the pressure adjustment value corresponding to each pressure adjustment;
And adjusting the air pressure of each air bag according to the pressure adjustment times and the pressure adjustment value.
According to the invention, a plurality of decompression air bags or air cushions are arranged on a treatment bed of a patient in a long-term bedridden or a patient with limited movement, the temperature of the surface of the decompression air bags is acquired through a temperature acquisition device, the condition of the patient that the blood flow of the microvascular at the part is blocked can be judged and identified according to the temperature, and then an optimal slow pressure reduction and reduction sequence is obtained in a matched mode, namely the gradually reduced pressure values of a plurality of parts are obtained, and the final pressure after pressure adjustment is used as the ideal pressure of each decompression air bag.
However, the patient is born on all the decompression air bags, and in the pressure adjustment process of each decompression air bag, the body position of the patient can be changed, so that the pressure adjustment effect of each decompression air bag is affected, and the better decompression effect is not beneficial to the patient.
The invention adopts a prediction model to analyze pressure adjustment data and a pressure distribution map, namely utilizes a neural network algorithm to analyze the influence of the pressure-reducing air cushion with the current pressure on the pressure bearing, the contact area and the patient position of the adjacent air bags after the pressure adjustment, so as to determine the corresponding pressure adjustment times and the corresponding pressure adjustment value, and control the pump source of the air pump to inflate or deflate the pressure-reducing air cushion, thereby slowing down the influence of the pressure adjustment on the patient.
The invention uses the prediction model to carry out the depth analysis on the real-time temperature value of the decompression air bag and the ideal pressure adjustment value corresponding to the temperature value, thereby obtaining the pressure adjustment times and each pressure adjustment value of each decompression air bag, ensuring that the pressure and the contact surface of the decompression air bag can be kept in the determined ideal index range to the maximum extent, and ensuring that the comfort of patients is optimal.
Wherein, the temperature sensor can be distributed on the surface of the decompression air bag through an infrared temperature detector, so as to obtain the air bag surface temperature value. The sensor adopts a non-contact measurement technology, can monitor and record the temperature change of the skin of a patient in real time, and has the accuracy reaching +/-0.1 ℃ so as to ensure the capture of tiny temperature change.
Of course, other means may be employed to obtain the real-time temperature of the balloon surface, as the invention is not limited in this regard.
Determining a plurality of pressure adjustment areas according to the temperature distribution diagram, wherein the pressure adjustment areas comprise:
Matching the temperature distribution map with a temperature distribution template in a database, wherein the temperature distribution template comprises index environment temperature, template surface temperature and a first pressure adjustment value corresponding to the template surface temperature;
Determining a good temperature distribution template based on the ambient temperature and the index ambient temperature;
matching and calculating the template surface temperature corresponding to the first pressure adjustment value of 0 in the temperature distribution template with the airbag surface temperature;
if the matching calculation result is greater than P, the air bag area in the temperature distribution diagram is a pressure adjustment area.
Determining pressure adjustment data for a pressure adjustment region, comprising:
Matching and calculating the surface temperature of the air bag in the pressure adjusting area with the surface temperature of the template in the temperature distribution template;
And if the matching calculation result is Q or less, taking a plurality of first pressure adjustment values corresponding to the matched template surface temperature as pressure adjustment data.
In the invention, a database is constructed in advance, a plurality of groups of temperature distribution templates corresponding to different environmental temperature values are stored in the database, the temperature distribution templates consist of three parts [ A, B and C ], wherein A is index environmental temperature, B is template surface temperature, and C is a first pressure adjustment value.
In addition, the temperature distribution templates in the database are established in advance based on the body data of the patient, namely, before template matching is carried out, the weight, the height and the three-dimensional data of the patient are required to be input into a prediction model, and the data are fixed data;
When the matching calculation is performed, performing difference calculation on an environment temperature value obtained through real-time detection and an index environment temperature in a temperature distribution template, and determining the temperature distribution template with the difference value within a specified threshold value as successful matching, wherein the threshold value can be set to be +/-0.1 ℃;
Under the temperature distribution template, the normal surface temperature of the air bag is constant within a certain range based on the determined ambient temperature, and the pressure adjustment is not needed at this time, namely the first pressure adjustment value is 0; based on the above, calculating a difference value by using the template surface temperature and the airbag surface temperature corresponding to the first pressure adjustment value of 0, and if the absolute value of the difference value exceeds a specified threshold value P, considering that the temperature of the decompression airbag is abnormal at the position, and performing pressure adjustment, wherein the threshold value P can be set to be 0.1 ℃;
After the pressure adjustment area is determined, calculating the difference between the surface temperature of each decompression air bag in the area and the corresponding template surface temperature in the successfully matched temperature distribution template, and determining the template surface temperature with the difference value within a specified threshold value Q as the successfully matched temperature, wherein the threshold value Q can be set to be +/-0.1 ℃;
After the matching is successful, the first pressure adjustment value corresponding to the surface temperature of the template is the pressure adjustment value required to be adjusted by each decompression air bag.
Specifically, inputting the pressure adjustment data and the pressure distribution map into a prediction model, predicting and obtaining the number of times of pressure adjustment of each air bag in the pressure adjustment area, and a pressure adjustment value corresponding to each pressure adjustment, including:
The prediction model calculates the pressure adjustment times of each air bag according to the first pressure adjustment value of each air bag in the pressure adjustment data, and obtains the second pressure adjustment value corresponding to each pressure adjustment;
acquiring a contact coefficient of each air bag, and determining an influence coefficient according to the contact coefficient and the position relationship between adjacent air bags;
and fine-tuning the second pressure adjustment values through the influence coefficients to obtain third pressure adjustment values, pressure adjustment time and pressure adjustment sequence of each air bag for each pressure adjustment.
Determining an influence coefficient from a positional relationship between the contact coefficient and the adjacent airbag includes:
Acquiring a data relationship between the air pressure and the contact area of each air bag, and determining the contact coefficient of each air bag;
Acquiring position data of each air bag, wherein the position data comprises height data and inclination data;
the influence coefficient is determined based on the contact coefficient and the positional relationship between the adjacent airbags.
The prediction model can analyze the input pressure adjustment data and the pressure distribution map, predicts the pressure adjustment times of each air bag, and preliminarily obtains the adjustment data of each pressure adjustment, wherein the pressure adjustment times R are determined according to the maximum pressure adjustment value M required to be adjusted in the air bag, if the system sets the maximum single pressure adjustment value as N, R is taken as the maximum integral value which is close to M/N upwards.
The single decompression air bag can affect the position of the patient and the adjacent air bags when the pressure is regulated, and the position of the patient is slowly changed by controlling the speed of the pressure regulation when the pressure is regulated each time;
Based on the position data of each air bag, the adjustment principle is that the high-position pressure reducing air bag is adjusted firstly, and the low-position pressure reducing air bag is adjusted firstly;
based on the contact coefficient of each air bag, the adjustment principle is that the pressure-reducing air bags with large contact area are adjusted firstly, and then the pressure-reducing air bags with small contact area are adjusted;
the invention also provides a pressure control system based on temperature identification, which comprises a temperature detection device, a processing device and a storage device, wherein the processing device is respectively and electrically connected with the storage device and the temperature detection device,
The temperature detection equipment is used for detecting the ambient temperature and the surface temperature of each air bag and transmitting the ambient temperature and the surface temperature to the processing equipment;
the storage device for storing executable computer program code;
the processing device is configured to execute the above method by calling the executable computer program code in the storage device, so as to generate the number of times of pressure adjustment of each air bag, and a corresponding pressure adjustment value for each pressure adjustment, and control the air pump to adjust the air pressure to the corresponding air bag.
The processing device is a control core of the system, is responsible for receiving data of the temperature sensor, and processes the collected temperature data by applying an advanced data analysis algorithm, such as a machine learning technology. By analysing the temperature profile, the central processing unit is able to identify areas of abnormally elevated temperature, which may be areas of high risk of pressure concentration.
Upon receiving instructions from the treatment device, the pressure reduction actuator will drive the pump source to change the contact pressure of the patient's body with the pressure reduction pad. The design of the pressure reducing cushion allows for individual adjustment of the different areas to accommodate the curvature of the patient's body.
Meanwhile, the system can be provided with an intelligent diagnosis module, so that the state of the system can be monitored in real time, and feedback is provided through a user interface. When detecting system abnormality or performance degradation, the system will automatically alarm, ensuring timely maintenance and adjustment.
To provide further analysis and improvement, the system further includes a data logging module capable of storing and analyzing long-term temperature monitoring data. This helps the healthcare worker to understand the pattern of development of the stress injury and optimize the prevention strategy.
When the processing equipment detects that the skin temperature of a certain area continuously rises above a preset threshold value, the system automatically triggers the decompression executing mechanism to adjust the air cushion pressure of the corresponding area. The depressurization process will continue until the skin temperature returns to normal. In addition, the user interface will display the temperature change and the reduced pressure state in real time, ensuring that the medical staff can monitor the performance of the device at any time.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (6)
1. The pressure control method based on temperature identification is characterized by comprising the following steps of:
acquiring the ambient temperature of the space where each air bag is located, detecting the surface of each air bag, acquiring the surface temperature of the air bag, and generating a temperature distribution map based on the ambient temperature and the surface temperature of the air bag;
Determining a pressure adjustment area and pressure adjustment data of the pressure adjustment area according to the temperature distribution diagram;
Acquiring air pressure data of each air bag to obtain a pressure distribution map;
Inputting the pressure adjustment data and the pressure distribution map into a prediction model, and predicting and obtaining the pressure adjustment times of each air sac in the pressure adjustment area and the pressure adjustment value corresponding to each pressure adjustment;
And adjusting the air pressure of each air bag according to the pressure adjustment times and the pressure adjustment value.
2. The method of claim 1, wherein determining a plurality of pressure adjustment regions based on the temperature profile comprises:
Matching the temperature distribution map with a temperature distribution template in a database, wherein the temperature distribution template comprises index environment temperature, template surface temperature and a first pressure adjustment value corresponding to the template surface temperature;
Determining a good temperature distribution template based on the ambient temperature and the index ambient temperature;
matching and calculating the template surface temperature corresponding to the first pressure adjustment value of 0 in the temperature distribution template with the airbag surface temperature;
if the matching calculation result is greater than P, the air bag area in the temperature distribution diagram is a pressure adjustment area.
3. The temperature identification-based pressure control method according to claim 2, wherein determining pressure adjustment data of the pressure adjustment region comprises:
Matching and calculating the surface temperature of the air bag in the pressure adjusting area with the surface temperature of the template in the temperature distribution template;
And if the matching calculation result is Q or less, taking a plurality of first pressure adjustment values corresponding to the matched template surface temperature as pressure adjustment data.
4. The method according to claim 3, wherein inputting the pressure adjustment data and the pressure distribution map into a prediction model predicts the number of times of pressure adjustment of each air bag in the pressure adjustment area, and the corresponding pressure adjustment value for each pressure adjustment, comprises:
The prediction model calculates the pressure adjustment times of each air bag according to the first pressure adjustment value of each air bag in the pressure adjustment data, and obtains the second pressure adjustment value corresponding to each pressure adjustment;
acquiring a contact coefficient of each air bag, and determining an influence coefficient according to the contact coefficient and the position relationship between adjacent air bags;
and fine-tuning the second pressure adjustment values through the influence coefficients to obtain third pressure adjustment values, pressure adjustment time and pressure adjustment sequence of each air bag for each pressure adjustment.
5. The temperature-recognition-based pressure control method according to claim 4, wherein determining the influence coefficient according to the positional relationship between the contact coefficient and the adjacent air cells comprises:
Acquiring a data relationship between the air pressure and the contact area of each air bag, and determining the contact coefficient of each air bag;
Acquiring position data of each air bag, wherein the position data comprises height data and inclination data;
the influence coefficient is determined based on the contact coefficient and the positional relationship between the adjacent airbags.
6. A pressure control system based on temperature identification comprises a temperature detection device, a processing device and a storage device, wherein the processing device is respectively and electrically connected with the storage device and the temperature detection device,
The temperature detection equipment is used for detecting the ambient temperature and the surface temperature of each air bag and transmitting the ambient temperature and the surface temperature to the processing equipment;
the storage device for storing executable computer program code;
-the processing device is configured to execute the method according to any one of claims 1-5 by invoking the executable computer program code in the storage device to generate a number of pressure adjustments for each bladder, and each time a corresponding pressure adjustment value is adjusted, and to control the air pump to adjust the air pressure to the corresponding bladder.
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| CN202510196250.5A CN120102007A (en) | 2025-02-21 | 2025-02-21 | A pressure control method and system based on temperature recognition |
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| CN202510196250.5A CN120102007A (en) | 2025-02-21 | 2025-02-21 | A pressure control method and system based on temperature recognition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120704426A (en) * | 2025-08-18 | 2025-09-26 | 四川卫生康复职业学院 | Pressure control system and method based on adaptive airbag regulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120704426A (en) * | 2025-08-18 | 2025-09-26 | 四川卫生康复职业学院 | Pressure control system and method based on adaptive airbag regulation |
| CN120704426B (en) * | 2025-08-18 | 2025-10-31 | 四川卫生康复职业学院 | Pressure Control System and Method Based on Adaptive Airbag Regulation |
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