CN119024897A - Method, device, storage medium and electronic device for controlling body temperature using medical temperature controller - Google Patents
Method, device, storage medium and electronic device for controlling body temperature using medical temperature controller Download PDFInfo
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Abstract
The application belongs to the technical field of body temperature control, and relates to a method, a device, a storage medium and electronic equipment for controlling body temperature by a medical temperature controller, wherein the method comprises the following steps: acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in a current control Wen Zhou period, and simultaneously acquiring the target body temperature of the patient; determining a water temperature effective value in the current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature; and determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature. The application can combine the predicted temperature value and the effective water temperature value to determine the target water temperature, thereby not only predicting the change trend of the body temperature in advance and adapting to the hysteresis of the body temperature change better, but also slowing down the change range of the water temperature in the temperature control water blanket, ensuring the stability and the safety of the body temperature control and preventing the problems of repeated overshoot and cyclic oscillation of the water temperature or the body temperature.
Description
Technical Field
The application relates to the technical field of body temperature control, in particular to a method for controlling body temperature by a medical temperature control instrument, a device for controlling body temperature by the medical temperature control instrument, a computer readable storage medium and electronic equipment.
Background
The medical temperature controller is a device for carrying out in-vitro physical temperature rise/drop on a human body by controlling the temperature of circulating liquid in the device and assisting in regulating the body temperature of the human body.
At present, the medical temperature controller is adopted to control the temperature by using a PID algorithm, specifically, inputting the real-time body temperature, calculating the target water temperature by PID, and then controlling the water temperature to reach the target water temperature output by PID by using the water temperature control scheme of the medical temperature controller. However, when the water temperature changes, the reaction of the body temperature has obvious lag, PID erroneous judgment is easy to occur, and the problems of repeated and serious overshoot and oscillation of the water temperature and the body temperature are caused, so that the temperature control effect is poor.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The application aims to provide a method for controlling the body temperature by a medical temperature control instrument, a device for controlling the body temperature by the medical temperature control instrument, a computer readable storage medium and electronic equipment, so that the problem that the body temperature cannot be stably and safely controlled due to the limitations and defects of the related art is overcome at least to a certain extent.
According to one aspect of the present application, there is provided a method of controlling body temperature by a medical temperature control apparatus, comprising: acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in a current control Wen Zhou period, and simultaneously acquiring the target body temperature of the patient; determining a water temperature effective value in the current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature; and determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
According to one aspect of the present application, there is provided a device for controlling body temperature of a medical temperature controller, comprising: the acquisition module is used for acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in the current control Wen Zhou period and simultaneously acquiring the target body temperature of the patient; the control module is used for determining a water temperature effective value in the current control Wen Zhou according to the current water temperature and determining a body temperature predicted value according to the current body temperature; and determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
In an exemplary embodiment of the application, the control module includes: a historical water temperature effective value obtaining unit, configured to obtain a historical water temperature effective value in a previous temperature control period adjacent to the current temperature control period; and the first calculation unit is used for determining the water temperature effective value in the current control Wen Zhou according to the historical water temperature effective value, the current water temperature and a first coefficient.
In an exemplary embodiment of the application, the first computing unit is configured to: taking the difference value between 1 and the first coefficient as a second coefficient; and carrying out weighted summation on the effective value of the historical water temperature and the current water temperature according to the first coefficient and the second coefficient so as to obtain the effective value of the water temperature in the current control Wen Zhou.
In an exemplary embodiment of the application, the control module includes: the historical body temperature effective value acquisition unit is used for acquiring a historical body temperature effective value in a previous temperature control period adjacent to the current temperature control period; the second calculating unit is used for determining the effective body temperature value in the current control Wen Zhou according to the effective historical body temperature value, the current body temperature and a third coefficient; and determining the body temperature predicted value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and a fourth coefficient.
In one embodiment of the application, the second computing unit is configured to: taking the difference value between 1 and the third coefficient as a fifth coefficient; and carrying out weighted summation on the historical body temperature effective value and the current body temperature according to the third coefficient and the fifth coefficient so as to obtain the body temperature effective value in the current control Wen Zhou period.
In one embodiment of the application, the second computing unit is further configured to: determining a body temperature floating value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and the fourth coefficient; and determining the body temperature predicted value according to the current body temperature and the body temperature floating value.
In one embodiment of the application, the control module is further configured to: and subtracting the body temperature predicted value from the sum of the water temperature effective value and the target body temperature to obtain the target water temperature.
In one embodiment of the application, the device for controlling body temperature of the medical temperature controller is configured to: increasing the fourth coefficient when the current body temperature overshoots; and when the difference between the current body temperature and the target body temperature is greater than a preset threshold, limiting the fourth coefficient to be in the range of (0, alpha|B ∞ -B|), wherein alpha >0, B ∞ are the target body temperature, and B is the current body temperature.
According to an aspect of the embodiments of the present application, there is provided a computer readable medium having stored thereon a computer program which, when executed by a processor, implements a method of controlling body temperature by a medical temperature control apparatus as in the above technical solution.
According to an aspect of an embodiment of the present application, there is provided an electronic apparatus including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the method of controlling body temperature of a medical temperature controller as in the above technical solution via execution of the executable instructions.
According to an aspect of an embodiment of the present application, there is provided a computer program product comprising computer instructions which, when run on a computer, cause the computer to perform a method of controlling body temperature of a medical temperature control device as in the above technical solution.
The method for controlling the body temperature by the medical temperature controller comprises the steps of firstly, obtaining the current water temperature of a temperature control water blanket and the current body temperature of a patient in the current temperature control period, and simultaneously obtaining the target body temperature of the patient; then determining a water temperature effective value in a current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature; and finally, determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature. According to the application, on one hand, the target water temperature can be determined based on the water temperature effective value and the body temperature predicted value, and then the water temperature in the temperature control water blanket is controlled based on the target water temperature, so that the large-scale change of the water temperature in the temperature control water blanket can be avoided, the stability and the safety of body temperature control are ensured, and the problems of repeated overshoot and cyclic oscillation of the water temperature or the body temperature are prevented; on the other hand, the body temperature predicted value is a body temperature value which can be possibly reached after a period of time, the change trend of the body temperature can be predicted in advance through body temperature prediction, and then the water temperature in the temperature control water blanket is controlled in advance so as to adapt to the hysteresis quality of the body temperature change, and further the body temperature of a patient is stably regulated to the target body temperature under the water temperature effect of the temperature control water blanket.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
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The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description, serve to explain the principles of the specification. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 schematically shows a structural diagram of a system architecture of a method for controlling body temperature using a medical temperature controller according to the present application.
Fig. 2 schematically shows a flow chart of the steps of the method for controlling body temperature by the medical temperature controller according to the present application.
Fig. 3 schematically shows a flow chart of acquiring a body temperature predicted value in the present application.
Fig. 4 schematically shows a block diagram of a device for controlling body temperature by a medical temperature controller according to the present application.
Fig. 5 schematically shows a schematic structural view of an electronic device for implementing the method for controlling body temperature of a medical temperature controller according to the present application.
Fig. 6 schematically shows a program product for implementing the method of the application for controlling body temperature by a medical thermometer.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
In the related art, the body temperature is generally controlled using a PID algorithm, specifically, a real-time body temperature is input, a target water temperature is calculated by PID, and then the water temperature is controlled to reach the water temperature output by PID. However, when the water temperature changes, the reaction of the body temperature is obviously delayed, and the PID misjudgment situation is easy to occur, so that the temperature control effect is poor, and the problems of repeated and serious overshoot of the water temperature and the body temperature, oscillation and the like occur.
Aiming at the problems in the related art in the field, the embodiment of the application provides a method for controlling the body temperature by a medical temperature control instrument. Before describing the method for controlling body temperature by the medical temperature controller in detail, technical terms possibly related to the application will be described first.
1. Overshoot: the patient's body temperature exceeds the target body temperature, e.g., when warming, the body temperature exceeds the target body temperature; when the temperature is reduced, the body temperature is lower than the target body temperature.
2. Oscillating: the patient's body temperature varies back and forth around the target body temperature, while being less than the target body temperature, while being greater than the target body temperature.
Next, an exemplary system architecture to which the technical solution of the present application is applied will be described.
Fig. 1 schematically shows a block diagram of an exemplary system architecture to which the technical solution of the present application is applied.
As shown in fig. 1, the system architecture 100 may include a medical temperature controller 110, a temperature control water blanket 120, a body temperature detection sensor 130, a water temperature detection sensor 140, a water line 150, and a signal transmission line 160. The medical temperature controller 110 is connected with the temperature control water blanket 120 through a water pipe 150 and a signal transmission line 160 and is used for controlling the temperature of the temperature control water blanket 120 to rise or fall; the water temperature detection sensor 140 is connected with the temperature control water blanket 120, and is used for detecting the real-time water temperature in the temperature control water blanket 120 and feeding back to the medical temperature controller 110 through the signal transmission line 160; the body temperature monitoring sensor 130 is connected to the patient on the temperature control water blanket 120, and is used for detecting the real-time body temperature of the patient, and feeding back to the medical temperature controller 110 through the signal transmission line 160.
In one embodiment of the present application, the medical temperature controller 110 is provided with a control unit, a temperature adjusting unit and a water circulation unit, wherein the control unit can determine the target water temperature of the temperature-controlled water blanket 120 in different periods Wen Zhou according to the real-time body temperature of a patient, the target body temperature and the water temperature in the temperature-controlled water blanket 120, and then send a temperature adjusting instruction to the temperature adjusting unit according to the target water temperature, and the temperature adjusting unit adjusts the temperature of the water flowing in the water circulation unit in response to the temperature adjusting instruction.
Next, the method for controlling body temperature by the medical temperature control instrument, the device for controlling body temperature by the medical temperature control instrument, the computer readable medium, the electronic equipment and other technical schemes provided by the application are described in detail by combining the specific embodiments.
Fig. 2 schematically shows a flow chart of steps of a method for controlling body temperature by a medical temperature control apparatus according to an embodiment of the present application, which is performed by the medical temperature control apparatus, in particular, by a control unit in the medical temperature control apparatus. As shown in fig. 2, the method for controlling body temperature by the medical temperature controller according to the embodiment of the present application mainly includes the following steps S210 to S240.
Step S210: acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in a current control Wen Zhou period, and simultaneously acquiring the target body temperature of the patient;
Step S220: determining a water temperature effective value in the current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature;
Step S230: and determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
In the method for controlling the body temperature by the medical temperature controller provided by the embodiment of the application, on one hand, the target water temperature can be determined based on the water temperature effective value and the body temperature predicted value, and then the water temperature in the temperature control water blanket is controlled based on the target water temperature, so that the large-scale change of the water temperature in the temperature control water blanket can be avoided, the stability and the safety of the body temperature control are ensured, and the problems of repeated overshoot and cyclic oscillation of the water temperature or the body temperature are prevented; on the other hand, the body temperature predicted value is a body temperature value which can be possibly reached after a period of time, the change trend of the body temperature can be predicted in advance through body temperature prediction, and then the water temperature in the temperature control water blanket is controlled in advance so as to adapt to the hysteresis quality of the body temperature change, and further the body temperature of a patient is stably regulated to the target body temperature under the water temperature effect of the temperature control water blanket.
Specific implementation modes of each method step of the method for controlling body temperature by using the temperature controller in the traditional Chinese medicine according to the embodiment of the application are described in detail below.
In step S210, the current water temperature of the temperature control water blanket and the current body temperature of the patient in the current control Wen Zhou period are acquired, while the target body temperature of the patient is acquired.
In one embodiment of the present application, the temperature adjustment of the body temperature to the target body temperature by adjusting the water temperature of the temperature-control water blanket is achieved through a plurality of temperature-control periods, wherein each temperature-control period comprises the collection of data such as water temperature and body temperature, the calculation of data and the temperature adjustment, in the embodiment of the present application, considering that the hysteresis exists in the temperature adjustment, the plurality of temperature-control periods can be circularly performed at intervals, for example, the time of each temperature-control period is less than 1s, and one temperature-control period can be performed every 1s, and of course, the circulation can be performed at intervals of other times. For the sake of clarity of explanation of the technical scheme of the present application, the embodiment of the present application is only explained with respect to a method of controlling body temperature by a medical temperature controller in one temperature control period.
In one embodiment of the present application, during the current control Wen Zhou period, the current water temperature of the temperature control water blanket and the current body temperature of the patient may be acquired when data is acquired, and then the target water temperature corresponding to the temperature control water blanket during the current control Wen Zhou period may be determined based on the current water temperature of the temperature control water blanket, the current body temperature of the patient, and the target body temperature of the patient. The target body temperature of the patient is the temperature which the body of the patient finally needs to reach, and the required target body temperature is different for different types of operation scenes, so that the target water temperature needs to be determined according to the target body temperature, and the body temperature of the patient is controlled through the target water temperature until the body temperature of the patient reaches the target body temperature.
In step S220, a water temperature effective value in the current control Wen Zhou is determined according to the current water temperature, and a body temperature predicted value is determined according to the current body temperature.
In one embodiment of the present application, after data acquisition is completed, the effective water temperature value in the current control Wen Zhou can be determined according to the current water temperature of the acquired temperature control water blanket, the effective water temperature value is a mechanism similar to "buffering" designed based on the current water temperature, when the water temperature changes, the changed water temperature is not immediately used as the temperature control reference value, but the effective water temperature value is used as the temperature control reference value, the change trend of the effective water temperature value is changed along with the current water temperature, but the change speed is greatly slowed down.
In one embodiment of the present application, when determining the predicted value of body temperature, the effective value of the historical water temperature in the previous temperature control period adjacent to the current temperature control period may be obtained first, and then the effective value of the water temperature in the current temperature control period Wen Zhou may be determined according to the effective value of the historical water temperature, the current water temperature and the first coefficient.
Further, when determining the effective water temperature value in the current control Wen Zhou according to the effective historical water temperature value, the current water temperature and the first coefficient, the difference between 1 and the first coefficient may be used as the second coefficient, and then the effective historical water temperature value and the current water temperature are weighted and summed according to the first coefficient and the second coefficient to obtain the effective water temperature value in the current control Wen Zhou. The water temperature effective value in the current control period and the first coefficient, the second coefficient, the historical water temperature effective value and the current water temperature satisfy the relation (1):
WV＝aW'V+(1-a)W (1)
Wherein W V is the effective value of the water temperature in the current control Wen Zhou; w V' is the effective value of water temperature in the previous temperature control period; w is the current water temperature; a is a first coefficient, and 0< a <1; (1-a) is a second coefficient.
From the relation (1), the larger a is, the more obvious the buffering effect of the effective water temperature value is, namely, the slower the water temperature is updated with the current water temperature. According to the embodiment of the application, the water temperature is prevented from overshooting or shocking caused by too fast water temperature change in the temperature control water blanket by calculating the water temperature effective value and determining the target water temperature based on the water temperature effective value instead of directly determining the target water temperature by adopting the current water temperature, so that the stability and the safety of the temperature control are further improved.
It should be noted that, for the initial water temperature effective value, the current water temperature detected in the first temperature control period after the medical temperature controller is started may be used as the initial water temperature effective value, in the second temperature control period Wen Zhou, the water temperature effective value in the second temperature control period Wen Zhou may be determined according to the initial water temperature effective value and the current water temperature detected in the second temperature control period, and so on.
In one embodiment of the application, after the current body temperature of the patient is acquired, a body temperature predicted value can be determined according to the current body temperature, and similarly to the current water temperature, the current body temperature is not directly used as a reference variable of a temperature control basis, but the body temperature predicted value is used as the reference variable of the temperature control basis. In the embodiment of the present application, the body temperature predicted value is determined based on the body temperature effective value in the current temperature control Wen Zhou period and the current body temperature, fig. 3 schematically shows a flow chart of acquiring the body temperature predicted value, as shown in fig. 3, and in step S301, the historical body temperature effective value in the previous temperature control period adjacent to the current temperature control period is acquired; in step S302, determining a body temperature effective value in the current control Wen Zhou period according to the historical body temperature effective value, the current body temperature and the third coefficient; in step S303, a body temperature predicted value is determined based on the current body temperature, the body temperature effective value in the current control Wen Zhou period, and the fourth coefficient.
In step S302, when the effective body temperature value in the current control Wen Zhou is obtained, the difference between 1 and the third coefficient is first used as the fifth coefficient, and then the effective body temperature value in the current control Wen Zhou is obtained by weighted summation of the historical effective body temperature value and the current body temperature according to the third coefficient and the fifth coefficient. The effective value of the body temperature in the current control Wen Zhou period, the effective value of the historical body temperature and the current body temperature meet the relation (2):
BV＝bB'V+(1-b)B (2)
Wherein B V is the effective value of the body temperature in the current control Wen Zhou period; b V' is the effective value of the body temperature in the last temperature control period; b is the current body temperature; b is a third coefficient, and 0< b <1; (1-b) is a fifth coefficient.
It should be noted that, for the initial effective body temperature value, the current body temperature detected in the first temperature control period after the medical temperature controller is started may be used as the initial effective body temperature value, in the second temperature control period Wen Zhou, the effective body temperature value in the second temperature control period Wen Zhou may be determined according to the initial effective body temperature value and the current body temperature detected in the second temperature control period, and so on.
In step S303, after the effective body temperature value in the current control Wen Zhou is obtained, a body temperature floating value may be determined according to the current body temperature, the effective body temperature value in the current control Wen Zhou, and the fourth coefficient, and then a body temperature predicted value may be determined according to the current body temperature and the body temperature floating value. The predicted value of the body temperature and the effective value of the body temperature in the current control Wen Zhou period satisfy the relation (3):
Bp＝B+c(B-BV) (3)
Wherein, B p is a predicted value of body temperature; b is the current body temperature; b V is the effective debt of body temperature in current control Wen Zhou; c is a fourth coefficient, c >0; c (B-B V) is the body temperature floating value.
In one embodiment of the present application, the body temperature predicted value B p predicts that the body temperature predicted value is not necessarily the value that the body temperature of the patient can reach at the end of the current temperature control period, although the body temperature predicted value is recalculated in each temperature control periodThe body temperature after the time T is the time interval between two adjacent temperature control periods, that is, the time corresponding to the body temperature predicted value depends on the third coefficient b and the fourth coefficient c, if b and c are larger, the body temperature predicted value is the predicted value after a longer time, if b and c are smaller, the body temperature predicted value is the predicted value in the near future, and if the body temperature value of other time needs to be predicted, only the values of b and c need to be adjusted. Through calculating the predicted value of body temperature, can adjust the temperature in advance, then through constantly adjusting the target temperature, adjust patient's body temperature to target body temperature, improved the stability of body temperature regulation and control, avoided the problem that body temperature overshoots and circulates and shake.
Predicted with respect to body temperature predicted value B p isThe deduction process of the body temperature after the time is as follows:
Setting the current body temperature acquired in the ith temperature control period as B i, and calculating the obtained B V as F i; b V calculated in the i-1 th temperature control period is F i-1; initial body temperature effective value F 0＝B0.
From the relation (2), it can be obtained: f i＝bFi-1+(1-b)Bi.
The mathematical induction method can prove that:
When n is greater than or equal to 1 ,Bn-Fn＝b(Bn-Bn-1)+b2(Bn-1-Bn-2)+…+bn(B1-B0)
Wherein, B 1-B0、B2-B1、……、Bn-Bn-1 and the like are all body temperature increment in the T time. Thus, the whole term is the predicted body temperature increase at the future bT+b 2T+…+bn T time, i.eWhen n is sufficiently large (i.e., after treatment has begun for a sufficiently long period of time), this time is substantially equal toPredicting futureTime, body temperature will increase B n-Fn over the current body temperature, thus predicting the futureTime, body temperature will increase by c (B n-Fn) over the current body temperature, i.e., predict futureThe body temperature was B+c (B-B V).
In step S230, a target water temperature is determined according to the water temperature effective value, the body temperature predicted value, and the target body temperature, and the water temperature in the temperature control water blanket is controlled according to the target water temperature.
In one embodiment of the present application, after the water temperature effective value and the body temperature predicted value in the current control Wen Zhou are obtained, the body temperature predicted value may be subtracted from the sum of the water temperature effective value and the target body temperature to determine the target water temperature. The target water temperature, the water temperature effective value and the body temperature predicted value satisfy the relation (4):
W∞＝WV+B∞-BP (4)
Wherein W ∞ is the target water temperature; w V is the effective value of the water temperature in the current control Wen Zhou; b ∞ is the target body temperature; b P is a body temperature predicted value.
In one embodiment of the present application, after the target water temperature is obtained, a temperature adjustment command may be formed according to the target water temperature, and the temperature adjustment command may be transmitted to the temperature adjustment system so that the temperature adjustment system controls the temperature of water flowing into the temperature control water blanket according to the target water temperature.
In one embodiment of the application, although the target water temperature is determined by adopting the water temperature effective value, and the water temperature in the temperature control water blanket is adjusted according to the target water temperature, the condition that the water temperature or the body temperature overshoots due to overlarge water temperature change can be avoided, but when the body temperature approaches to the target body temperature, the condition of cyclic oscillation can also occur, and for the condition, the target water temperature can be adjusted by adjusting the magnitude of the fourth coefficient c, so that the control of the body temperature is adjusted. Specifically, when body temperature overshoot occurs, i.e., the current body temperature passes the target body temperature but does not stop changing, the c value may be increased; further, when increasing, the increase may be performed by a certain multiple, which is not particularly limited in the embodiment of the present application; when the difference between the body temperature and the target body temperature is greater than a preset threshold, that is, when the body temperature is far from the target body temperature, the value of c can be limited to be within the range of (0, alpha|b ∞ -b|), wherein alpha is greater than 0, the preset threshold can be set according to actual needs, and the embodiment of the application is not particularly limited to this.
The method for controlling the body temperature by the medical temperature controller comprises the steps of firstly, obtaining the current water temperature of a temperature control water blanket and the current body temperature of a patient in the current temperature control period, and simultaneously obtaining the target body temperature of the patient; then determining a water temperature effective value in a current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature; and finally, determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature. According to the application, on one hand, the target water temperature can be determined based on the water temperature effective value and the body temperature predicted value, and then the water temperature in the temperature control water blanket is controlled based on the target water temperature, so that the large-scale change of the water temperature in the temperature control water blanket can be avoided, the stability and the safety of body temperature control are ensured, and the problems of repeated overshoot and cyclic oscillation of the water temperature or the body temperature are prevented; on the other hand, the body temperature predicted value is a body temperature value which can be possibly reached after a period of time, the change trend of the body temperature can be predicted in advance through body temperature prediction, and then the water temperature in the temperature control water blanket is controlled in advance so as to adapt to the hysteresis quality of the body temperature change, and further the body temperature of a patient is stably regulated to the target body temperature under the water temperature effect of the temperature control water blanket.
It will be appreciated that in particular embodiments of the present application, where data relating to a patient is collected, patient approval or consent is required when the above embodiments of the present application are applied to particular products or techniques, and the collection, use and processing of the relevant data is required to comply with relevant national and regional laws and regulations and standards.
It should be noted that although the steps of the methods of the present application are depicted in the accompanying drawings in a particular order, this does not require or imply that the steps must be performed in that particular order, or that all illustrated steps be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
The following describes embodiments of the device of the present application that may be used to perform the method of controlling body temperature by the medical temperature control apparatus of the above-described embodiments of the present application. Fig. 4 schematically illustrates a block diagram of a device for controlling body temperature by a medical temperature control apparatus according to an embodiment of the present application, and as shown in fig. 4, a device 400 for controlling body temperature by a medical temperature control apparatus includes: the acquisition module 410 and the control module 420, in particular:
an obtaining module 410, configured to obtain a current water temperature of the temperature control water blanket and a current body temperature of a patient in a current control Wen Zhou period, and obtain a target body temperature of the patient at the same time;
The control module 420 is configured to determine a water temperature effective value in the current control Wen Zhou according to the current water temperature, and determine a body temperature predicted value according to the current body temperature;
And determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
In an exemplary embodiment of the present application, based on the above technical solution, the control module 420 includes: a historical water temperature effective value obtaining unit, configured to obtain a historical water temperature effective value in a previous temperature control period adjacent to the current temperature control period; and the first calculation unit is used for determining the water temperature effective value in the current control Wen Zhou according to the historical water temperature effective value, the current water temperature and a first coefficient.
In an exemplary embodiment of the present application, based on the above technical solution, the first computing unit is configured to: taking the difference value between 1 and the first coefficient as a second coefficient; and carrying out weighted summation on the effective value of the historical water temperature and the current water temperature according to the first coefficient and the second coefficient so as to obtain the effective value of the water temperature in the current control Wen Zhou.
In an exemplary embodiment of the present application, based on the above technical solution, the control module 420 includes: the historical body temperature effective value acquisition unit is used for acquiring a historical body temperature effective value in a previous temperature control period adjacent to the current temperature control period; the second calculating unit is used for determining the effective body temperature value in the current control Wen Zhou according to the effective historical body temperature value, the current body temperature and a third coefficient; and determining the body temperature predicted value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and a fourth coefficient.
In an embodiment of the present application, based on the above technical solution, the second calculating unit is configured to: taking the difference value between 1 and the third coefficient as a fifth coefficient; and carrying out weighted summation on the historical body temperature effective value and the current body temperature according to the third coefficient and the fifth coefficient so as to obtain the body temperature effective value in the current control Wen Zhou period.
In an embodiment of the present application, based on the above technical solution, the second computing unit is further configured to: determining a body temperature floating value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and the fourth coefficient; and determining the body temperature predicted value according to the current body temperature and the body temperature floating value.
In one embodiment of the present application, based on the above technical solution, the control module 420 is further configured to: and subtracting the body temperature predicted value from the sum of the water temperature effective value and the target body temperature to obtain the target water temperature.
In one embodiment of the present application, based on the above technical solution, the device 400 for controlling body temperature by a medical temperature controller is configured to: increasing the fourth coefficient when the current body temperature overshoots; and when the difference between the current body temperature and the target body temperature is greater than a preset threshold, limiting the fourth coefficient to be in the range of (0, alpha|B ∞ -B|), wherein alpha >0, B ∞ are the target body temperature, and B is the current body temperature.
Specific details of the device for controlling body temperature by using the medical temperature control instrument provided in each embodiment of the present application have been described in detail in the corresponding method embodiments, and are not described herein again.
It should be noted that although several modules or units of the device for controlling body temperature of the medical thermometer are mentioned in the above detailed description, this division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
In addition, in the exemplary embodiment of the present disclosure, an electronic device capable of implementing the method for controlling body temperature by the medical temperature controller is also provided.
Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
An electronic device 500 according to such an embodiment of the present disclosure is described below with reference to fig. 5. The electronic device 500 shown in fig. 5 is merely an example and should not be construed as limiting the functionality and scope of use of the disclosed embodiments.
As shown in fig. 5, the electronic device 500 is embodied in the form of a general purpose computing device. The components of electronic device 500 may include, but are not limited to: the at least one processing unit 510, the at least one memory unit 520, a bus 530 connecting the different system components (including the memory unit 520 and the processing unit 510), and a display unit 540.
Wherein the storage unit stores program code that is executable by the processing unit 510 such that the processing unit 510 performs steps according to various exemplary embodiments of the present disclosure described in the section "detailed description of the invention" above.
The storage unit 520 may include readable media in the form of volatile storage units, such as Random Access Memory (RAM) 521 and/or cache memory 522, and may further include Read Only Memory (ROM) 523.
The storage unit 520 may also include a program/utility 524 having a set (at least one) of program modules 525, such program modules 525 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
Bus 530 may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device 500 may also communicate with one or more external devices 570 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 500, and/or with any device (e.g., router, modem, etc.) that enables the electronic device 500 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 550. Also, electronic device 500 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 560. As shown, network adapter 560 communicates with other modules of electronic device 500 over bus 530. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 500, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification is also provided. In some possible embodiments, the various aspects of the present disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.
Referring to fig. 6, a program product 600 for implementing the above-described method for controlling body temperature of a medical temperature controller according to an embodiment of the present disclosure is described, which may employ a portable compact disc read-only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
Furthermore, the above-described figures are only schematic illustrations of processes included in the method according to the exemplary embodiments of the present disclosure, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a touch terminal, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (11)
1. The method for controlling the body temperature by the medical temperature control instrument is characterized in that the medical temperature control instrument is connected with a temperature control water blanket; the method comprises the following steps:
Acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in a current control Wen Zhou period, and simultaneously acquiring the target body temperature of the patient;
Determining a water temperature effective value in the current control Wen Zhou according to the current water temperature, and determining a body temperature predicted value according to the current body temperature;
And determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
2. The method of controlling body temperature by a medical temperature controller according to claim 1, wherein the determining the effective value of the water temperature in the current control Wen Zhou according to the current water temperature includes:
Acquiring a historical water temperature effective value in a previous temperature control period adjacent to the current temperature control period;
and determining the effective water temperature value in the current control Wen Zhou according to the effective historical water temperature value, the current water temperature and a first coefficient.
3. The method of controlling body temperature by a medical thermometer according to claim 2, wherein said determining the effective value of the water temperature in the current control Wen Zhou from the effective value of the historical water temperature, the current water temperature and a first coefficient comprises:
taking the difference value between 1 and the first coefficient as a second coefficient;
and carrying out weighted summation on the effective value of the historical water temperature and the current water temperature according to the first coefficient and the second coefficient so as to obtain the effective value of the water temperature in the current control Wen Zhou.
4. The method of controlling body temperature by a medical temperature controller according to claim 1, wherein the determining a predicted value of body temperature according to the current body temperature comprises:
Acquiring a historical body temperature effective value in a previous temperature control period adjacent to the current temperature control period;
Determining a body temperature effective value in the current control Wen Zhou period according to the historical body temperature effective value, the current body temperature and a third coefficient;
and determining the body temperature predicted value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and a fourth coefficient.
5. The method of controlling body temperature by a medical thermometer according to claim 4, wherein said determining the effective value of body temperature in the current control Wen Zhou based on the effective value of body temperature history, the current body temperature and a third coefficient comprises:
Taking the difference value between 1 and the third coefficient as a fifth coefficient;
And carrying out weighted summation on the historical body temperature effective value and the current body temperature according to the third coefficient and the fifth coefficient so as to obtain the body temperature effective value in the current control Wen Zhou period.
6. The method of controlling body temperature by a medical thermometer according to claim 4, wherein determining the predicted body temperature value based on the current body temperature, the effective body temperature value in the current control Wen Zhou and a fourth coefficient comprises:
determining a body temperature floating value according to the current body temperature, the body temperature effective value in the current control Wen Zhou period and the fourth coefficient;
and determining the body temperature predicted value according to the current body temperature and the body temperature floating value.
7. The method for controlling body temperature by a medical thermometer according to any one of claims 1 to 6, wherein the determining a target water temperature from the water temperature effective value, the body temperature predicted value and the target body temperature includes:
and subtracting the body temperature predicted value from the sum of the water temperature effective value and the target body temperature to obtain the target water temperature.
8. The method of controlling body temperature of a medical temperature control device of claim 7, further comprising:
Increasing the fourth coefficient when the current body temperature overshoots;
And when the difference between the current body temperature and the target body temperature is greater than a preset threshold, limiting the fourth coefficient to be in the range of (0, alpha|B ∞ -B|), wherein alpha >0, B ∞ are the target body temperature, and B is the current body temperature.
9. The device for controlling the body temperature by the medical temperature control instrument is characterized by comprising a temperature control water blanket; the device comprises:
The acquisition module is used for acquiring the current water temperature of the temperature control water blanket and the current body temperature of a patient in the current control Wen Zhou period and simultaneously acquiring the target body temperature of the patient;
The control module is used for determining a water temperature effective value in the current control Wen Zhou according to the current water temperature and determining a body temperature predicted value according to the current body temperature;
And determining a target water temperature according to the water temperature effective value, the body temperature predicted value and the target body temperature, and controlling the water temperature in the temperature control water blanket according to the target water temperature.
10. A computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method of controlling body temperature of a medical temperature control apparatus according to any one of claims 1 to 8.
11. An electronic device, comprising:
a processor; and
A memory for storing instructions;
wherein execution of the instructions stored in the memory by the processor is used to implement the method of controlling body temperature of a medical thermometer according to any one of claims 1 to 8.
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