CN-122004767-A - Monitoring method, device and system for pressure damage based on various sensors

CN122004767ACN 122004767 ACN122004767 ACN 122004767ACN-122004767-A

Abstract

The application relates to the technical field of health care, in particular to a method, a device and a system for monitoring pressure injury based on various sensors. The intelligent mattress comprises a sensing layer, wherein the sensing layer comprises a multimode sensor array, a microprocessor unit, a data bus and a wireless transmission module, the multimode sensor array comprises a plurality of sensor units, the sensor units integrate a plurality of sensors and piezoelectric micromachined ultrasonic transducer array elements, and the sensing layer further comprises flexible wires and a lock catch. The application realizes the integration of monitoring and physiotherapy based on the PMUT array, solves the problems of no targeting, poor fitness, limited function expansion and the like of the traditional intelligent mattress monitoring surface, physiotherapy, realizes the accurate health monitoring and targeting physiotherapy of people with different sizes, and provides a novel and efficient integrated solution for the health care and health home field.

Inventors

WANG XIA
XIE HUIKAI
WANG WENFU
WANG XIAOYI
Nie Shengxiao

Assignees

北京医院

Dates

Publication Date: 20260512
Application Date: 20260204

Claims (10)

1. A method for monitoring pressure damage based on a plurality of sensors, which is characterized in that the method is applied to an upper computer server and comprises the following steps: Under the condition that a first working mode of the intelligent mattress selected by a user is determined, acquiring a plurality of corresponding preset sensor data under each physiological partition of a human body based on the first working mode; Mapping the preset sensor data to a plurality of preset scoring dimensions to obtain scoring values of the corresponding preset scoring dimensions under each physiological partition of the human body; determining a preset risk area based on the evaluation value; Under the condition that a second working mode of the intelligent mattress selected by a user is determined, acquiring the space coordinates of the preset risk area based on the second working mode; and determining the phase delay time length of each piezoelectric micro-mechanical ultrasonic transducer array element participating in focusing relative to a reference array element based on the space coordinates, and sending the phase delay time length to the intelligent mattress, wherein the reference array element is the array element closest to the space coordinates.
2. The method of claim 1, wherein the determining a preset risk area based on the scoring value comprises: Acquiring the regional weight corresponding to each human physiological partition; and determining the preset risk area based on the scoring value and the area weight.
3. The method of claim 1, wherein the obtaining the region weights corresponding to each physiological partition of the human body comprises: acquiring an initial weight of a region corresponding to each human body physiological partition; And adjusting the initial weight of the region by adapting to the user body type to obtain the region weight.
4. The method of claim 1, wherein determining a phase delay period of each piezoelectric micromachined ultrasonic transducer element involved in focusing relative to a reference element based on the spatial coordinates comprises: acquiring all piezoelectric micromachined ultrasonic transducer array elements participating in focusing based on the space coordinates; Obtaining an array element layout based on all piezoelectric micro-mechanical ultrasonic transducer array elements participating in focusing; and obtaining the phase delay time length of each piezoelectric micro-mechanical ultrasonic transducer array element relative to the reference array element based on the array element layout and the space coordinates.
5. A monitoring device of pressure nature damage based on multiple sensor, characterized in that, the device is the host computer server, the device includes: the first acquisition module is used for acquiring a plurality of corresponding preset sensor data under each physiological partition of the human body based on a first working mode when the first working mode of the intelligent mattress selected by a user is determined; the obtaining module is used for mapping the preset sensor data to a plurality of preset scoring dimensions to obtain scoring values of the corresponding preset scoring dimensions under each physiological partition of the human body; the first determining module is used for determining a preset risk area based on the evaluation value; the second acquisition module is used for acquiring the space coordinates of the preset risk area based on the second working mode under the condition that the second working mode of the intelligent mattress selected by the user is determined; and the second determining module is used for determining the phase delay time length of each piezoelectric micromachined ultrasonic transducer array element participating in focusing relative to a reference array element based on the space coordinates and sending the phase delay time length to the intelligent mattress, wherein the reference array element is the array element closest to the space coordinates.
6. A monitoring system for pressure injury based on a plurality of sensors, comprising an intelligent mattress and an upper computer server for executing the method of claim 1; The intelligent mattress comprises a sensing layer, wherein the sensing layer comprises a multimode sensor array, a microprocessor unit, a data bus and a wireless transmission module, the multimode sensor array consists of a plurality of sensor units, and the sensor units integrate a plurality of sensors and piezoelectric micromechanical ultrasonic transducer array elements; The microprocessor unit is used for initializing the sensor, reading sensor data in real time, driving and controlling the piezoelectric micromachined ultrasonic transducer array element; The microprocessor unit is used for sending the sensor data to the wireless transmission module through the data bus after the sensor is successfully initialized; The wireless transmission module is used for uploading the received sensor data to an upper computer server; the upper computer server is used for analyzing the received data of the sensor to obtain the phase delay time length, and sending the phase delay time length to the microprocessor unit through the wireless transmission module and the data bus; and the microprocessor unit is used for calculating the transmitting time of each piezoelectric micro-mechanical ultrasonic transducer array element according to the phase delay time length, converting the transmitting time into an analog time sequence signal and transmitting the analog time sequence signal to the piezoelectric micro-mechanical ultrasonic transducer array element.
7. The system of claim 6, wherein the sensing layer further comprises a flexible wire, a latch; The flexible lead is used for driving the multimode sensor array to move to a target monitoring zone which is matched with the body type of the user; the lock catch is used for fixing the length of the flexible lead so that the sensor unit is aligned with the target monitoring interval.
8. The system of claim 6, wherein the sensor units in the multi-mode sensor array employ a row and column scalable architecture.
9. A computer device, comprising: a memory and a processor in communication with each other, the memory having stored therein computer instructions which, upon execution, perform the method of monitoring for pressure damage based on a plurality of sensors of any one of claims 1 to 4.
10. A computer-readable storage medium having stored thereon computer instructions for causing a computer to perform the method of monitoring a pressure injury based on a plurality of sensors of any one of claims 1 to 4.

Description

Monitoring method, device and system for pressure damage based on various sensors Technical Field The application relates to the technical field of health care, in particular to a method, a device and a system for monitoring pressure injury based on various sensors. Background With the increasing population aging and increasing sub-health problems, the demands for home-based and intelligent health management continue to rise. The current long-term bedridden people are extremely easy to cause complications such as pressure injury, muscle atrophy and the like due to unsmooth local blood circulation and insufficient muscle activity, postoperative rehabilitation patients need to monitor physiological states continuously and conduct mild physiotherapy intervention, and sub-health groups have rigid requirements on convenient health monitoring and relief physiotherapy. Under the background, the intelligent mattress is used as a core home carrier occupying 1/3 of the daily time of a human body and becomes key equipment for integrating health monitoring and physiotherapy functions. The traditional health mattress and health monitoring equipment have obvious technical shortboards, namely, firstly, the monitoring function is superficial, a single pressure sensor or a temperature and humidity sensor is relied on, only the body surface state data of a human body can be obtained, the deep physiological information collection of muscles, subcutaneous tissues and the like can not be realized, early health risks are difficult to early warn, secondly, the physiotherapy function is lack of targeting, the existing product adopts an integral vibration or electromagnetic hot compress mode, accurate physiotherapy can not be carried out on high-pressure injury areas, muscle stiffness parts and the like, physiotherapy intensity and frequency are not adjustable, and adaptability is poor. Disclosure of Invention In view of the above, the application provides a method, a device and a system for monitoring pressure injury based on various sensors, which are used for solving the problems that the related technology can only acquire human body surface state data, can not acquire deep physiological information such as muscles and subcutaneous tissues, is difficult to early warn early health risks, can not accurately perform physiotherapy on high-incidence areas of pressure injury and muscle stiffness parts, and has the defects of non-adjustable physiotherapy intensity and frequency and poor adaptability. In a first aspect, the present application provides a method for monitoring pressure damage based on a plurality of sensors, the method being applied to an upper computer server, the method comprising: under the condition that a first working mode of the intelligent mattress selected by a user is determined, acquiring a plurality of corresponding preset sensor data under each physiological partition of the human body based on the first working mode; Mapping the preset sensor data to a plurality of preset scoring dimensions to obtain scoring values of the corresponding preset scoring dimensions under each human physiological partition; Determining a preset risk area based on the grading value; under the condition that a second working mode of the intelligent mattress selected by a user is determined, acquiring space coordinates of a preset risk area based on the second working mode; Based on the space coordinates, determining the phase delay time of each piezoelectric micromachined ultrasonic transducer array element participating in focusing relative to a reference array element, and transmitting the phase delay time to the intelligent mattress, wherein the reference array element is the array element closest to the space coordinates. Further, determining the preset risk area based on the scoring value includes: Acquiring the regional weight corresponding to each human physiological partition; and determining a preset risk area based on the scoring value and the area weight. Further, obtaining the region weight corresponding to each physiological partition of the human body includes: acquiring an initial weight of a region corresponding to each human body physiological partition; And (5) adapting the initial weight of the user body type adjustment region to obtain the region weight. Further, determining a phase delay time length of each piezoelectric micro-mechanical ultrasonic transducer array element participating in focusing relative to a reference array element based on the space coordinates includes: Acquiring all piezoelectric micromachined ultrasonic transducer array elements participating in focusing based on space coordinates; Obtaining array element layout based on all piezoelectric micro-mechanical ultrasonic transducer array elements participating in focusing; and obtaining the phase delay time length of each piezoelectric micromachined ultrasonic transducer array element relative to the reference array element based on the ar