CN111528893A - Respiration amplitude detection method, device, equipment and storage medium - Google Patents
Respiration amplitude detection method, device, equipment and storage medium Download PDFInfo
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 102
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Abstract
The embodiment of the invention discloses a method, a device and equipment for detecting breathing amplitude and a storage medium. The method is applied to a rotating system comprising a traction device and a rotating device, the method comprising: when a trigger event for detecting the respiratory amplitude is acquired, determining an initial angle of the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment; determining the angle to be detected of the rotating equipment relative to a preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point; and calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed respiration amplitude of the examinee according to the rotation angle and a pre-established relation model. According to the technical scheme of the embodiment of the invention, the effect of objective and accurate detection of the change value of the respiratory amplitude of the examinee is realized.
Description
Technical Field
The embodiment of the invention relates to the technical field of computer application, in particular to a method, a device, equipment and a storage medium for detecting breathing amplitude.
Background
Computed Tomography (CT) scanning of the chest and abdomen requires coordination with two breaths of the subject, specifically, the subject needs breath holding during the scanning process, and the breath amplitudes should be kept as consistent as possible during the two breath holding processes, so that the substantially consistent degree of expansion of the chest and abdomen during the two CT scans facilitates subsequent imaging contrast.
Therefore, prior to a CT scan, medical personnel typically require respiratory training of the subject. The existing breathing training process mainly depends on the self-perception of the breath amplitude of the examinee in the breath holding process at each time, but the perception mode of the breath amplitude is subjective, and the accuracy is difficult to guarantee.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for detecting respiratory amplitude, which aim to realize the effect of objective and accurate detection of respiratory amplitude.
In a first aspect, an embodiment of the present invention provides a respiratory amplitude detection method, which is applied to a rotating system, where the rotating system includes a traction device and a rotating device, one end of the traction device is connected to a rotatable apparatus of the rotating device, and the other end of the traction device is connected to a fixable apparatus of the rotating device after being wound around a part to be examined of a subject, where the part to be examined includes a chest or an abdomen, and the method includes:
when a trigger event for detecting the respiratory amplitude is acquired, determining an initial angle of the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment;
determining the angle to be detected of the rotating equipment relative to a preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point;
and calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed respiration amplitude of the examinee according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed respiration amplitude.
Optionally, the relationship model may be pre-established by the following steps:
acquiring traction data of traction equipment, and a rotation angle and a variable respiration amplitude corresponding to the traction data, and taking the rotation angle and the variable respiration amplitude as a group of sample data;
a relational model is established based on the sets of sample data.
Optionally, a first sensor and a second sensor are arranged in the rotating device; when a trigger event of the detected respiratory amplitude is acquired, determining an initial angle of a preset straight line in the rotating device corresponding to the trigger event relative to a preset plane perpendicular to the rotating device may include:
when the rotating equipment is determined to be in a horizontal state based on the first sensor and a trigger event for detecting the respiratory amplitude is acquired, determining a vertical plane vertical to the horizontal plane of the rotating equipment;
based on the second sensor, an initial angle of a preset central axis of the rotating device relative to a vertical plane corresponding to the triggering event is determined.
Optionally, when a trigger event for detecting the respiratory amplitude is acquired, the method may include:
upon acquiring a trigger event that detects and resets the breathing amplitude, the subject's initial breathing amplitude at an initial point in time is set to 0.
Optionally, the method for detecting a respiratory amplitude may further include:
and respectively determining the time points to be detected corresponding to the rotation angles according to the initial time points and the preset time intervals, and detecting the respiratory frequency of the examinee according to the time points to be detected and the rotation angles of the rotating equipment at the time points to be detected.
Optionally, the method for detecting a respiratory amplitude may further include:
acquiring the initial respiratory amplitude of a subject at an initial time point, and detecting the respiratory amplitude to be detected of the subject at each time point to be detected according to the initial respiratory amplitude and the changed respiratory amplitude of the subject at each time point to be detected;
and drawing the detection result on a display interface of the rotating equipment in a line form by taking the time point to be detected as a horizontal axis and the breathing amplitude to be detected as a vertical axis.
Optionally, the method for detecting a respiratory amplitude may further include:
and if the absolute value of each changed respiratory amplitude in the preset time length is less than or equal to the preset respiratory amplitude, prompting the examinee based on a preset prompting mode.
In a second aspect, an embodiment of the present invention further provides a respiratory amplitude detection apparatus configured to a rotary system, the rotary system including a traction device and a rotary device, one end of the traction device being connected to the rotatable apparatus of the rotary device, and the other end of the traction device being connected to a fixable apparatus of the rotary device after being wound around a subject part of a subject, the subject part including a chest or an abdomen, the apparatus including:
the initial angle determining module is used for determining an initial angle of the rotating equipment corresponding to a trigger event relative to a preset plane perpendicular to the rotating equipment when the trigger event of the detected respiratory amplitude is acquired;
the to-be-detected angle determining module is used for determining the to-be-detected angle of the rotating equipment relative to a preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point;
and the breathing amplitude detection module is used for calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed breathing amplitude of the detected person according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed breathing amplitude.
In a third aspect, an embodiment of the present invention further provides a rotating apparatus, where the rotating apparatus may include:
one or more processors;
a memory for storing one or more programs;
when executed by one or more processors, cause the one or more processors to implement the breath amplitude detection method provided by any of the embodiments of the present invention.
In a fourth aspect, the embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the respiratory amplitude detection method provided in any embodiment of the present invention.
According to the technical scheme of the embodiment of the invention, when the trigger event for detecting the respiratory amplitude is obtained, the rotation angle of the rotating equipment relative to the preset plane in a waiting time period from the initial time point to the waiting time point can be calculated by determining the initial angle of the rotating equipment relative to the preset plane vertical to the rotating equipment at the initial time point and the waiting angle of the rotating equipment relative to the preset plane at the waiting time point; furthermore, the change breath amplitude of the examinee in the suspected time period can be detected according to the rotation angle and the relation model. According to the technical scheme, based on the rotation angle of the rotating equipment in the time period to be detected and the pre-established relation model, the change respiratory amplitude of the examinee in the time period to be detected can be detected, and the effect of objectively and accurately detecting the change value of the respiratory amplitude of the examinee is achieved.
Drawings
FIG. 1 is a flow chart of a method for detecting respiratory amplitude according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a rotation system in a respiratory amplitude detection method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a display interface in a respiration amplitude detection method according to a first embodiment of the present invention;
fig. 4 is a block diagram of a respiratory amplitude detection apparatus according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rotating apparatus according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before the embodiment of the present invention is described, an application scenario of the embodiment of the present invention is exemplarily described: the breathing amplitude detection method according to the embodiments of the present invention is applied to a rotary system, which may include a traction device and a rotary device, one end of the traction device is connected to a rotatable apparatus of the rotary device, the connection may be a non-detachable connection, the rotatable apparatus may be a device that can be rotated, and the other end is connected to a fixable apparatus of the rotary device after being wound around a portion to be examined of a subject, the connection may be a detachable connection such as a bayonet connection, a threaded connection, or the like, the fixable apparatus may be a device that can be fixed, and the portion to be examined includes a chest or an abdomen. Because the chest or the abdomen of the examinee fluctuates during breathing, the traction device wound around the chest or the abdomen of the examinee can pull the rotating device connected with the traction device to rotate under the action of external force, the rotation can be towards one direction or towards two directions, and the rotation is not particularly limited. It should be noted that, during the rotation process of the rotating device, the angle of the rotating device with respect to the preset plane changes, and the change value of this angle is referred to as the rotation angle, and the change respiratory amplitude of the subject can be detected according to the rotation angle, and the change respiratory amplitude is the change value of the respiratory amplitude of the subject.
Illustratively, as shown in fig. 2, the pulling device is a non-elastic pulling rope, i.e., a rigid pulling rope, which can withstand long-term pulling without deformation; the rotating equipment comprises a fixed base, a rotating sleeve connected with the fixed base, an angle detector connected with the rotating sleeve, and a rotating spring which is arranged in the rotating sleeve, one end of the rotating spring is connected with the fixed base, and the other end of the rotating spring is connected with the rotating sleeve and is spirally distributed. Alternatively, the angle detector may be a tray for carrying the mobile terminal, and the rotation of the tray may cause the mobile terminal placed on the tray to synchronously rotate, and the rotation angle of the rotating device may be indirectly detected based on a built-in sensor of the mobile terminal. Of course, the angle detector may be configured based on other devices besides the above-mentioned alternative devices, and is not specifically limited herein.
In practical application, the examinee lies down and the upper body is fixed, one end of the traction rope is already connected to the rotary sleeve, and the other end of the traction rope is connected to the fixed base after being wound on the chest of the examinee for one circle. Therefore, when the examinee inhales, the chest bulges to cause external force to act on the traction rope, and the traction rope can pull the rotary sleeve connected with the traction rope to rotate towards the examinee under the external force, so that the length of the traction rope wound on the chest can be matched with the chest with the lengthened body surface circumference. Furthermore, because the rotating sleeve can drive the rotating spring connected with one end of the rotating sleeve to rotate in the rotating process, the rotating spring cannot rotate due to the fact that the other end of the rotating spring is connected with the fixed base, the rotating spring can be twisted, and the rotating spring is changed from a loose state to a tensioned state. Then, when the examinee exhales, the external force acting on the traction rope disappears due to the falling back of the chest, and the self characteristic of the rotary spring indirectly connected with the traction rope enables the rotary spring to be changed into a loose state from a tensioning state when no external force acts on the rotary spring, namely, the rotary spring can automatically rotate towards the direction of leaning against the examinee, so that the length of the traction rope wound on the chest can be matched with the chest with the shortened body surface circumference. At this time, the rotation of the rotating spring drives the rotating sleeve to synchronously rotate towards the direction of leaning against the examinee. Of course, the same rotation occurs in the angle detector connected to the rotating sleeve regardless of the direction in which the rotating sleeve is rotated, and thus the varying breathing amplitude of the subject can be specified from the rotation angle detected by the angle detector.
Example one
Fig. 1 is a flowchart of a respiratory amplitude detection method according to a first embodiment of the present invention. The present embodiment is applicable to the case of detecting a varying breathing amplitude of a subject, and is particularly applicable to the case of detecting a varying breathing amplitude of a subject based on a rotational system. The method may be performed by a respiratory amplitude detection apparatus provided by the embodiment of the present invention, which may be implemented by software and/or hardware, and may be integrated on a rotating device.
Referring to fig. 1, the method of the embodiment of the present invention specifically includes the following steps:
s110, when a trigger event of the detected respiratory amplitude is obtained, determining an initial angle of the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment.
The triggering event may be an event when the other end of the traction device is connected to the fixable device of the rotating device after being wound around the examined part of the examinee for one circle, may be an event when the breath amplitude detection function is triggered, may also be an event when the breath amplitude detection and reset function is triggered, and the like, which are not specifically limited herein. When a trigger event of the detected respiratory amplitude is acquired, an initial angle of the rotating device corresponding to the trigger event relative to a preset plane perpendicular to the rotating device may be determined, where the preset plane may be any plane perpendicular to the rotating device, and the initial angle corresponding to the trigger event may be considered as an initial angle of the rotating device relative to the preset plane at an acquisition time point of the trigger event.
For example, after the other end of the traction device is wound around the examined part of the examinee and then connected to the fixable device of the rotating device, taking the example of detecting the breathing amplitude when the rotating device is in the horizontal state, the preset plane may be a vertical plane perpendicular to the horizontal plane of the rotating device, and the vertical plane is a plane in which the Z-axis direction of the rotating device is located. At this moment, the initial angle can be the contained angle between rotating equipment and the perpendicular, specifically, can be the contained angle between certain line and the perpendicular in the rotating equipment, and this line can be the predetermined axis of rotating equipment, and in particular, when rotating equipment is approximate cuboid, this predetermined axis can be the straight line that is parallel with the long limit or the minor face of rotating equipment, and the initial angle at this moment is promptly for predetermineeing the contained angle of axis and true north direction, or predetermine the contained angle of axis and Z axle direction for saying.
On this basis, optionally, when it is determined that the rotating device is in the horizontal state based on the built-in first sensor in the rotating device and a trigger event for detecting the respiratory amplitude is obtained, a vertical plane perpendicular to the horizontal plane of the rotating device may be determined first, and then an initial angle of a preset central axis in the rotating device relative to the vertical plane is determined based on the built-in second sensor in the rotating device, where the initial angle is an included angle between the preset central axis and the vertical plane at the time point of obtaining the trigger event by the rotating device. The first sensor may be a gyroscope and the second sensor may be a compass, but they may also be other sensors capable of performing corresponding functions, and are not limited in detail herein.
And S120, determining the angle to be detected of the rotating equipment relative to a preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point.
The preset time interval is a preset time interval, such as 1 second, 2 seconds, 3 seconds and the like, when the acquisition time point of the trigger event is taken as an initial time point, at least one time point to be checked can be determined based on the preset time interval, and the angle to be checked of the rotating equipment relative to a preset plane can be determined at each time point to be checked. Illustratively, the initial time point is 20:50:26, and the preset time interval is 1 second, whereby the angle to be inspected of the rotating apparatus at 20:50:27 with respect to the preset plane, the angle to be inspected at 20:50:28 with respect to the preset plane, and the like can be determined. Namely, the angle to be checked and the time point to be checked have a corresponding relationship.
S130, calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed respiration amplitude of the examinee according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed respiration amplitude.
The initial angle is an included angle between the initial time point and a preset plane of the rotating equipment, the angle to be detected is an included angle between the time point to be detected and the preset plane of the rotating equipment, therefore, the rotating angle can be calculated according to the initial angle and the angle to be detected, and the rotating angle is a change value of the angle of the rotating equipment relative to the preset plane in a waiting time period from the initial time point to the time point to be detected. Further, the changing respiration amplitude of the examinee can be detected according to the rotation angle and a pre-established relation model, and the changing respiration amplitude is the changing value of the respiration amplitude of the examinee in the period of waiting for examination.
Still further, optionally, according to the initial respiration amplitude and the change respiration amplitude of the examined person at the initial time point, the respiration amplitude to be examined of the examined person at the corresponding time point to be examined can be determined, the respiration amplitude to be examined and the time point to be examined have a corresponding relationship, and the respiration amplitude to be examined may be greater than, equal to or less than the initial respiration amplitude. In practical application, optionally, when the trigger event for detecting the breathing amplitude is obtained, the trigger event may be a trigger event for detecting and resetting the breathing amplitude, and the initial breathing amplitude of the examinee at the initial time point may be directly set to 0, so that the changed breathing amplitude is the breathing amplitude to be detected.
It should be noted that the relationship model is a numerical relationship between the rotation angle and the varying breathing amplitude, and can be presented by a mathematical formula, a numerical mapping table, and the like. On this basis, optionally, the relationship model may be pre-established by the following steps: acquiring traction data of traction equipment, and a rotation angle and a variable respiration amplitude corresponding to the traction data, and taking the rotation angle and the variable respiration amplitude as a group of sample data; a relational model is established based on the sets of sample data.
In the process of establishing the relationship model, an external force acts on the traction equipment to enable the traction equipment to pull the rotating equipment to rotate, for example, when the traction equipment is not wound on the detected part, the external force can be a force for directly pulling the traction equipment; when the traction equipment is wound on the detected part, the external force can be the force generated by the detected part due to breathing movement; etc., and are not specifically limited herein. Acquiring traction data of the traction equipment, wherein the traction data can be rotation data of rotating equipment connected with the traction equipment, such as a rotation angle, a rotation number and the like; may be a change in the distance between one end of the pulling device and the other end; or the change value of the length of the traction rope wound on the detected part; etc., and are not specifically limited herein. The traction data may be read by a scale mark provided on the traction device, may also be obtained by a manual measurement manner, and the like, and is not specifically limited herein.
Considering that fluctuation of the examined part caused by the respiration of the examined person is a direct reason for generating the traction data, the changed respiration amplitude of the examined person is directly related to the traction data, and the changed respiration amplitude can be directly determined according to the traction data, for example, the numerical value of the traction data and the numerical value of the changed respiration amplitude are equal. In addition, before external force acts on the traction equipment, the initial angle of the rotating equipment can be obtained firstly, and after the external force acts on the traction equipment, the angle to be detected of the rotating equipment can be obtained again, so that the rotating angle corresponding to the traction data can be calculated according to the difference value between the angle to be detected and the initial angle. Further, the rotation angle and the variable breathing amplitude are used as a group of sample data, and a relation model can be established based on the plurality of groups of sample data. In practical application, optionally, the rotation angle and the traction data may also be used as a set of sample data, and a relationship model is established based on a plurality of sets of sample data, at this time, the traction data of the traction device may be detected according to the rotation angle and the relationship model, and the varying respiratory amplitude of the subject may be directly derived according to the traction data.
According to the technical scheme of the embodiment of the invention, when the trigger event for detecting the respiratory amplitude is obtained, the rotation angle of the rotating equipment relative to the preset plane in a waiting time period from the initial time point to the waiting time point can be calculated by determining the initial angle of the rotating equipment relative to the preset plane vertical to the rotating equipment at the initial time point and the waiting angle of the rotating equipment relative to the preset plane at the waiting time point; furthermore, the change breath amplitude of the examinee in the suspected time period can be detected according to the rotation angle and the relation model. According to the technical scheme, based on the rotation angle of the rotating equipment in the time period to be detected and the pre-established relation model, the change respiratory amplitude of the examinee in the time period to be detected can be detected, and the effect of objectively and accurately detecting the change value of the respiratory amplitude of the examinee is achieved.
An optional technical solution is that the method for detecting a respiratory amplitude specifically may further include: and if the absolute value of each changed respiratory amplitude in the preset time length is less than or equal to the preset respiratory amplitude, prompting the examinee based on a preset prompting mode. The preset breathing amplitude can be a breathing amplitude with a preset numerical value being relatively small, if the absolute value of each changed breathing amplitude within the preset time is less than or equal to the preset breathing amplitude, the breathing amplitude of the examinee at the moment is basically in a stable state, usually because the examinee is in a breath holding state, the examinee can be prompted based on a preset prompting mode at the moment, for example, voice broadcasting is performed on the current breathing amplitude to be detected, and the current difference between the breathing amplitude to be detected and the preset target breathing amplitude is subjected to voice broadcasting and the like. It should be noted that the target breath amplitude may be a breath amplitude of the subject when the subject feels comfortable and can maintain the breath holding state, so that the subject performs a respiratory training with the target breath amplitude as a training target, and the subject through the respiratory training may continue the breath holding based on the target breath amplitude during the CT scan, thereby improving the CT scan effect of the chest and abdomen. Optionally, the initial respiratory amplitude of the subject at the initial time point may be taken as the target respiratory amplitude, and the initial respiratory amplitude may be obtained in various ways, for example, taking the initial angle of the rotating device at the initial time point as the rotation angle, detecting the changed respiratory amplitude according to the rotation angle and the relationship model, and taking the changed respiratory amplitude as the initial respiratory amplitude; for another example, the initial breathing amplitude is directly set as the fixed breathing amplitude; etc., and are not specifically limited herein.
An optional technical solution is that the method for detecting a respiratory amplitude specifically may further include: and respectively determining the time points to be detected corresponding to the rotation angles according to the initial time points and the preset time intervals, and detecting the respiratory frequency of the examinee according to the time points to be detected and the rotation angles of the rotating equipment at the time points to be detected. The respiratory frequency of the examinee can be detected according to the numerical value of the rotation angle of the rotating equipment at each time point to be examined, or according to the numerical value of the respiratory amplitude to be examined or the respiratory amplitude to be changed of the examinee at each time point to be examined. Taking the rotation angle as an example, when the subject is cyclically reciprocated between expiration and inspiration, the trend of the change of the rotation angle is cyclically reciprocated between increment and decrement, and therefore, the breathing frequency of the subject may be determined based on the period of the rotation angle from one peak to another peak immediately adjacent thereto, or alternatively, the breathing frequency of the subject may be determined based on the period of the rotation angle from one valley to another valley immediately adjacent thereto. Of course, the implementation manner of detecting the respiratory frequency of the examinee according to the respiratory amplitude to be detected or the respiratory amplitude to be changed is similar to the rotation angle, and is not described herein again.
An optional technical solution is that the method for detecting a respiratory amplitude specifically may further include: acquiring the initial respiratory amplitude of a subject at an initial time point, and detecting the respiratory amplitude to be detected of the subject at each time point to be detected according to the initial respiratory amplitude and the changed respiratory amplitude of the subject at each time point to be detected; the time point to be detected is taken as a horizontal axis, the breathing amplitude to be detected is taken as a vertical axis, the detection result is drawn on a display interface of the rotating equipment in a line form, and the variation trend of the breathing amplitude to be detected along with the time point to be detected is drawn in an arc form, so that the examinee can know the breathing state of the examinee from the display interface. Specifically, if the initial breathing amplitude is directly set to 0, the subsequent breathing amplitudes to be examined are changed up and down on the basis of 0.
In order to better understand the specific implementation process of the above steps, the following description continues to use the exemplary description shown in fig. 2 as an example to exemplarily describe the respiration amplitude detection method of the present embodiment. For example, the mobile phone is placed on the tray, and the position of the tray is adjusted to enable the mobile phone to be in a horizontal state, and at this time, an included angle between a central axis of the mobile phone and a due north direction, which is measured based on a built-in compass of the mobile phone, is used as an initial angle. The length of the traction rope is adjusted by manually pulling the traction rope, and traction data of the traction rope is determined according to the length change of the traction rope before and after pulling. Meanwhile, the rotation angle of the mobile phone before and after the pulling of the traction rope is measured based on a built-in compass of the mobile phone, the rotation angle can be larger than 360 degrees, the rotation angle corresponding to each traction data is measured and averaged for multiple times, and a calculation formula between the rotation angle and the traction data is calculated.
During practical application, the one end of haulage rope has been connected on rotatory sleeve, and the other end is connected on fixed baseplate after twining in examinee's chest a week, and the cell-phone of placing on the tray is in the horizontality, and the examinee is holding a breath under the breathing state that feels comparatively comfortable, and at this moment, if acquire the trigger event that preset reset button was clicked, then set up the initial breathing amplitude of examinee at initial time point to 0, and acquire the initial angle of cell-phone at initial time point. The examinee starts to breathe normally, the hauling rope pulls the mobile phone to rotate horizontally along with the exhalation and the inspiration of the examinee, and the breath amplitude of the examinee to be detected at each time point to be detected is calculated according to the rotation angle of the mobile phone at each time point to be detected and the calculation formula. On the basis of the detected breathing frequency, the rotation state of the mobile phone can be judged according to each rotation angle, and the process of rotation, starting rotation and re-rotation of the mobile phone is used as one breathing motion, so that the breathing frequency of the examinee can be detected.
In addition, as shown in fig. 3, the time point to be checked is taken as the horizontal axis and the breath amplitude to be checked is taken as the vertical axis, the change trend of the breath amplitude to be checked along with the time point to be checked is drawn on the display interface of the mobile phone in an arc form, and at the moment, the arc can show the trend of the wave crest and the wave trough along with the continuous left movement of the time point to be checked. In the process of continuously detecting the breathing amplitude, if the breathing amplitude changes within +/-20 within a certain 15 seconds, the examinee can be considered to be in a breath holding state, and at the moment, voice prompt can be carried out on the information of whether the current breathing amplitude to be detected is equal to the preset target breathing amplitude and the like, so that the examinee can timely know the current training result. In addition, when examining respiratory amplitude and tending to steadily and being close to target respiratory amplitude, can draw based on the arc line of first colour, the arc line approximation straight line and examine respiratory amplitude at this moment be the steady peak value of breathing promptly, otherwise can draw based on the arc line of second colour to make the person of being examined directly learn current training achievement according to the arc line colour.
Example two
Fig. 4 is a structural block diagram of a respiratory amplitude detection apparatus according to a second embodiment of the present invention, which is used for executing the respiratory amplitude detection method according to any of the above embodiments. The device and the breathing amplitude detection method of each embodiment belong to the same inventive concept, and details which are not described in detail in the embodiment of the breathing amplitude detection device can refer to the embodiment of the breathing amplitude detection method. Referring to fig. 4, the apparatus is configured in a rotation system including a traction device and a rotation device, one end of the traction device being connected to a rotatable means of the rotation device and the other end being connected to a fixable means of the rotation device after being wound around a subject site of a subject, the subject site including a chest or an abdomen, the apparatus may include: an initial angle determination module 210, a suspected angle determination module 220, and a breath amplitude detection module 230.
The initial angle determining module 210 is configured to determine, when a trigger event of the detected respiratory amplitude is obtained, an initial angle of the rotating device corresponding to the trigger event with respect to a preset plane perpendicular to the rotating device;
the to-be-detected angle determining module 220 is configured to determine, based on a preset time interval, an angle to be detected of the rotating apparatus relative to a preset plane, with an acquisition time point of the trigger event as an initial time point;
and the breathing amplitude detection module 230 is configured to calculate a rotation angle according to the initial angle and the angle to be detected, and detect a changed breathing amplitude of the subject according to the rotation angle and a pre-established relationship model, where the relationship model includes a numerical relationship between the rotation angle and the changed breathing amplitude.
Optionally, on the basis of the apparatus, the apparatus may further include a relationship model establishing module, where the relationship model establishing module may be specifically configured to:
acquiring traction data of traction equipment, and a rotation angle and a variable respiration amplitude corresponding to the traction data, and taking the rotation angle and the variable respiration amplitude as a group of sample data;
a relational model is established based on the sets of sample data.
Optionally, the initial angle determining module 210 may specifically include:
the vertical plane determining unit is used for determining a vertical plane perpendicular to the horizontal plane of the rotating equipment when the rotating equipment is determined to be in a horizontal state based on the first sensor and a trigger event for detecting the respiratory amplitude is acquired;
and the initial angle determining unit is used for determining the initial angle of the preset central axis relative to the vertical plane in the rotating equipment corresponding to the trigger event based on the second sensor.
Optionally, the initial angle determining module 210 may specifically include:
and the initial respiration amplitude setting unit is used for setting the initial respiration amplitude of the examinee at the initial time point to be 0 when the trigger event of detecting and resetting the respiration amplitude is acquired.
Optionally, on the basis of the above apparatus, the apparatus may further include:
and the respiratory frequency detection module is used for respectively determining the time points to be detected corresponding to all the rotation angles according to the initial time points and the preset time intervals, and detecting the respiratory frequency of the examinee according to the time points to be detected and the rotation angles of the rotating equipment at the time points to be detected.
Optionally, on the basis of the above apparatus, the apparatus may further include:
the breath amplitude detection module to be detected is used for acquiring the initial breath amplitude of the examinee at the initial time point and detecting the breath amplitude of the examinee to be detected at each time point to be detected according to the initial breath amplitude and the changed breath amplitude of the examinee at each time point to be detected;
and the detection result drawing module is used for drawing the detection result on a display interface of the rotating equipment in a line form by taking the time point to be detected as a horizontal axis and the breathing amplitude to be detected as a vertical axis.
Optionally, on the basis of the above apparatus, the apparatus may further include:
and the prompting module is used for prompting the examinee based on a preset prompting mode if the absolute value of each changed respiratory amplitude in the preset time is less than or equal to the preset respiratory amplitude.
The breathing amplitude detection device provided by the second embodiment of the invention can calculate the rotation angle of the rotating equipment relative to the preset plane in a waiting time period from the initial time point to the waiting time point by determining the initial angle of the rotating equipment relative to the preset plane vertical to the rotating equipment at the initial time point and the waiting angle of the rotating equipment relative to the preset plane at the waiting time point when the triggering event for detecting the breathing amplitude is obtained through the mutual matching of the initial angle determination module, the waiting angle determination module and the breathing amplitude detection module; furthermore, the change breath amplitude of the examinee in the suspected time period can be detected according to the rotation angle and the relation model. The device can detect the change respiratory amplitude of the examinee in the waiting time period based on the rotation angle of the rotating equipment in the waiting time period and the pre-established relation model, and achieves the effect of objective and accurate detection of the change value of the respiratory amplitude of the examinee
The respiratory amplitude detection device provided by the embodiment of the invention can execute the respiratory amplitude detection method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
It should be noted that, in the embodiment of the above respiration amplitude detection apparatus, the included units and modules are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a rotating apparatus according to a third embodiment of the present invention, and as shown in fig. 5, the rotating apparatus includes a memory 310, a processor 320, an input device 330, and an output device 340. The number of the processors 320 in the rotating device may be one or more, and one processor 320 is taken as an example in fig. 5; the memory 310, processor 320, input device 330, and output device 340 in the rotating apparatus may be connected by a bus or other means, such as by bus 350 in fig. 5.
The memory 310 may be used as a computer readable storage medium for storing software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the respiration amplitude detection method in the embodiment of the present invention (for example, the initial angle determination module 210, the suspected angle determination module 220, and the respiration amplitude detection module 230 in the respiration amplitude detection apparatus). Processor 320 executes software programs, instructions, and modules stored in memory 310 to perform various functional applications of the rotational apparatus and data processing, i.e., to implement the breathing amplitude detection method described above.
The memory 310 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the rotating apparatus, and the like. Further, the memory 310 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 310 may further include memory located remotely from processor 320, which may be connected to devices through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 330 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function controls of the device. The output device 340 may include a display device such as a display screen.
Example four
A fourth embodiment of the present invention provides a storage medium containing computer executable instructions for performing a breathing amplitude detection method when executed by a computer processor, the method being applied to a rotating system including a traction apparatus and a rotating apparatus, one end of the traction apparatus being connected to a rotatable device of the rotating apparatus and the other end being connected to a fixable device of the rotating apparatus after being wound around a subject portion of a subject, the subject portion including a chest or an abdomen, the method may include:
when a trigger event for detecting the respiratory amplitude is acquired, determining an initial angle of the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment;
determining the angle to be detected of the rotating equipment relative to a preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point;
and calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed respiration amplitude of the examinee according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed respiration amplitude.
Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the method operations described above, and may also perform related operations in the respiration amplitude detection method provided by any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. With this understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A respiratory amplitude detection method applied to a rotating system, wherein the rotating system comprises a traction device and a rotating device, one end of the traction device is connected to a rotatable device of the rotating device, and the other end of the traction device is connected to a fixable device of the rotating device after being wound on a detected part of a detected object, the detected part comprises a chest or an abdomen, and the method comprises the following steps:
when a trigger event of a detected respiratory amplitude is acquired, determining an initial angle of the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment;
determining the angle to be detected of the rotating equipment relative to the preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point;
and calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed breathing amplitude of the detected person according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed breathing amplitude.
2. The method of claim 1, wherein the relational model is pre-established by:
acquiring traction data of the traction equipment, and the rotation angle and the variable respiration amplitude corresponding to the traction data, and taking the rotation angle and the variable respiration amplitude as a group of sample data;
and establishing the relation model based on the plurality of groups of the sample data.
3. The method of claim 1, wherein the rotating device has a first sensor and a second sensor built into it;
when a trigger event of the detected respiratory amplitude is acquired, determining an initial angle of a preset straight line in the rotating equipment corresponding to the trigger event relative to a preset plane perpendicular to the rotating equipment, wherein the initial angle comprises the following steps:
when the rotating equipment is determined to be in a horizontal state based on the first sensor and a trigger event for detecting the respiratory amplitude is acquired, determining a vertical plane perpendicular to the horizontal plane of the rotating equipment;
and determining an initial angle of a preset central axis in the rotating equipment relative to the vertical plane, which corresponds to the trigger event, based on the second sensor.
4. The method of claim 1, wherein the acquiring of the trigger event for detecting the respiratory amplitude comprises:
setting the initial respiratory amplitude of the subject at the initial time point to 0 upon acquisition of a trigger event that detects and resets the respiratory amplitude.
5. The method of claim 1, further comprising:
and respectively determining the to-be-detected time points corresponding to the rotation angles according to the initial time points and the preset time intervals, and detecting the respiratory frequency of the detected person according to the to-be-detected time points and the rotation angles of the rotating equipment at the to-be-detected time points.
6. The method of claim 5, further comprising:
acquiring the initial respiratory amplitude of the examinee at the initial time point, and detecting the respiratory amplitude of the examinee to be detected at each time point to be detected according to the initial respiratory amplitude and the changed respiratory amplitude of the examinee at each time point to be detected;
and drawing the detection result on a display interface of the rotating equipment in a line form by taking the time point to be detected as a horizontal axis and the breathing amplitude to be detected as a vertical axis.
7. The method of claim 1, further comprising:
and if the absolute value of each changed respiratory amplitude in the preset time is less than or equal to the preset respiratory amplitude, prompting the examinee based on a preset prompting mode.
8. A respiratory amplitude detection apparatus, configured to a rotary system, the rotary system including a pulling device and a rotary device, one end of the pulling device being connected to a rotatable apparatus of the rotary device and the other end being connected to a fixable apparatus of the rotary device after being wound around a subject's part to be examined, the subject's part to be examined including a chest or an abdomen, the apparatus comprising:
the initial angle determining module is used for determining an initial angle, corresponding to a trigger event, of the rotating equipment relative to a preset plane perpendicular to the rotating equipment when the trigger event of the detected respiratory amplitude is acquired;
the to-be-detected angle determining module is used for determining the to-be-detected angle of the rotating equipment relative to the preset plane based on a preset time interval by taking the acquisition time point of the trigger event as an initial time point;
and the breath amplitude detection module is used for calculating a rotation angle according to the initial angle and the angle to be detected, and detecting the changed breath amplitude of the detected person according to the rotation angle and a pre-established relation model, wherein the relation model comprises a numerical relation between the rotation angle and the changed breath amplitude.
9. A rotary apparatus, comprising:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a respiratory amplitude detection method as claimed in any one of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a respiration amplitude detection method according to any one of claims 1 to 7.
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| CN114452012A (en) * | 2022-04-12 | 2022-05-10 | 浙江伽奈维医疗科技有限公司 | Puncture operation respiration amplitude detection device and method thereof |
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