CN115192006A - Film type local attaching device for monitoring chest and abdomen movement - Google Patents
Film type local attaching device for monitoring chest and abdomen movement Download PDFInfo
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- CN115192006A CN115192006A CN202211082922.2A CN202211082922A CN115192006A CN 115192006 A CN115192006 A CN 115192006A CN 202211082922 A CN202211082922 A CN 202211082922A CN 115192006 A CN115192006 A CN 115192006A
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- pressure
- sensitive film
- film sensor
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- deformation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
- A61B5/1135—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing by monitoring thoracic expansion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
Abstract
The application provides a local attached device of film type for chest abdomen moves monitoring, flexible casing self can direct adhesion on the monitored object, in case the monitored object takes place deformation, pressure-sensitive film sensor self can take place to warp along with flexible casing, under the on state, through adopting pressure-sensitive film sensor, even take place less deformation, also can realize the accurate measurement operation to deformation. In addition, when the monitoring device provided by the application is applied to a human body, the discomfort of the human body organ caused when the monitoring device is pressurized by the bandage can be effectively avoided because structures such as the bandage are not needed. Especially, when the scene needing long-time continuous measurement such as sleep monitoring is aimed at, the comfort of the user and the monitoring accuracy can be improved by the monitoring equipment provided by the application.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a film type local attaching device for monitoring thoracoabdominal movement.
Background
The monitoring of human body thoracoabdominal movement signals is an important technology in the medical and health fields, and particularly has significant medical significance for accurately diagnosing chronic respiratory diseases. In order to monitor the detailed state of the patient's breathing, thoracoabdominal movement is an important physiological parameter. When the monitored person exhales, the chest or abdomen of the human body expands as the gas continuously enters the abdominal cavity or the interior of the chest. By synchronously monitoring the chest and abdomen movement, whether the monitored person adopts chest breathing or abdomen breathing can be distinguished. When the chest breathing is determined, the chest breathing capacity of the monitored person can be known through the respiratory monitoring of the chest, and the rapid analysis and monitoring of respiratory system diseases can be realized by matching with the monitoring of the mouth-nose breathing airflow, so that the subsequent intervention and treatment can be carried out in a targeted manner.
In the prior art, in order to realize effective measurement of respiratory motion monitoring, a chest-abdominal belt structure is generally adopted, the chest-abdominal belt is a stretchable belt-shaped instrument containing a flexible sensitive element, and can be bound on a chest or an abdomen, tight attachment on the chest or the abdomen is realized by tensioning a belt with stretchability, and when respiratory motion occurs on the chest or the abdomen, the flexible sensitive element such as a piezoelectric film, a piezoresistive line and the like on the inner part of the chest-abdominal belt can deform per se, and in a power-on state of the flexible sensitive element, a deformation signal can be converted into an electrical signal in the chest-abdominal belt and transmitted to the outside.
The above structure has the following disadvantages: the strip can compress the flexible sensitive element to the position of the tested person body in the test process, so that the deformation of the part to be tested on the tested person can be obtained in time. Such an arrangement will cause a strong oppressive feeling to the object, and the serious person may affect the whole monitoring result, and especially when the object needs to be monitored for a long time, great pain may be brought to the object.
Disclosure of Invention
Therefore, the technical problem to be solved by the present application is to overcome the defect that the thoracoabdominal belt in the prior art is likely to apply pressure to the monitored object during the monitoring process, thereby causing discomfort to the monitored object.
To this end, the present application provides a local attachment device of the film type for thoracoabdominal movement monitoring, comprising: the flexible shell is suitable for being attached to the skin of the chest/abdomen of a monitored object and can deform adaptively along with the deformation of the skin of an attached area, and an accommodating cavity is formed in the flexible shell; the pressure-sensitive film sensor is horizontally embedded into the accommodating cavity, can generate adaptive micro deformation along with the deformation of the flexible shell, and converts the micro deformation into micro electric signal change.
The application provides a local attached device of film type for chest abdomen moves monitoring, pressure sensitive film sensor has at least one convex part that surpasses its horizontal reference face upwards or downwards.
The application provides a local attached device of film type for chest abdomen moves monitoring, the convex part is equipped with a plurality ofly, the convex part is one kind or the arbitrary combination in square, arc, trapezoidal, triangle-shaped or the non-regular shape.
The application provides a local attached device of film type for chest abdomen moves monitoring, the convex part is followed pressure-sensitive film sensor's length direction is equipped with a plurality ofly.
The application provides a local attached device of film type for chest abdomen moves monitoring, the convex part is square, trapezoidal or the arc of same shape and height, and is upwards convex part and downwardly convex the convex part is followed pressure-sensitive film sensor's length direction is equidistant alternately sets up.
The application provides a local attached device of film type for chest abdomen moves monitoring, the convex part is square, and is upwards convex the convex part is with adjacent convex downwards the interval of convex part is 0, pressure-sensitive film sensor's deformation volume is
：
L is the length of the pressure-sensitive film sensor, t is the thickness of the pressure-sensitive film sensor, R is the radius of curvature deformation, n is the number, and b is the distance between the highest point and the lowest point of the pressure-sensitive film sensor (the distance between the highest point of the upper convex portion and the lowest point of the lower convex portion).
Further, the pressure-sensitive film sensor further comprises a hard coupling piece which is arranged above and/or below the pressure-sensitive film sensor and couples at least two convex parts.
According to the film type local attaching device for monitoring thoracoabdominal movement, the hard connecting pieces are arranged in pairs and symmetrically arranged above and below the pressure-sensitive film sensor.
The application provides a local attached device of film type for chest abdomen moves monitoring, the stereoplasm connecting piece is the fixed short slab of stereoplasm, through fixed glue with correspond the surface of convex part is fixed the bonding.
The application provides a local attached device of film type for chest abdomen moves monitoring, pressure-sensitive film sensor is curved surface structure or planar structure.
Further, when the pressure-sensitive film sensor is of a curved surface structure, the pressure-sensitive film sensor is in one of a wave shape and a fold line shape or is combined with the wave shape and the fold line shape; or, when the pressure-sensitive film sensor is a planar structure, the pressure-sensitive film sensor is smooth.
The application provides a local attached device of film type for chest abdomen moves monitoring still includes: the miniature battery is arranged in the accommodating cavity of the flexible shell, the pressure-sensitive film sensor is electrically connected, and a charging contact electrically connected with the miniature battery is arranged on the flexible shell.
The application provides a local attached device of film type for chest abdomen moves monitoring, pressure-sensitive film sensor includes pressure-sensitive film, pressure-sensitive film adopts one or more in PVDF piezoelectric film, PZT piezoelectric film or CNT piezoresistive film.
The application provides a local attached device of film type for chest abdomen moves monitoring, flexible casing is including relative first casing and the second casing that sets up, first casing with be formed with between the second casing and hold the chamber, it includes deformation zone and functional area to hold the chamber, pressure-sensitive film sensor sets up in the deformation zone.
The film type local attaching device for monitoring the chest and abdomen movement further comprises a circuit board which is in communication connection with the pressure-sensitive film sensor; the acceleration sensor, the inside position that corresponds with the acceleration sensor of casing is provided with the installation position, the acceleration sensor sets up in the installation position and with the circuit board electricity is connected.
This application technical scheme has following advantage:
1. the application provides a local attached device of film type for chest abdomen moves monitoring includes: the flexible shell is suitable for being attached to the skin of the chest/abdomen of the monitored object and can deform adaptively along with the deformation of the skin of an attached area, and an accommodating cavity is formed in the flexible shell; the pressure-sensitive film sensor is horizontally embedded into the accommodating cavity, can generate adaptive micro deformation along with the deformation of the flexible shell, and converts the micro deformation into micro electric signal change.
In this application, through with flexible casing attached on the skin of the local deformation under the chest or the belly breathing action of monitored object, flexible casing can produce small deformation along with the deformation of skin, built-in pressure-sensitive film sensor is because its self characteristic, can produce the small deformation of adaptability along with the small deformation of flexible casing, and turn into small signal of telecommunication with small deformation, realize the collection of small deformation, thereby the variation strength of quantization breathing action, realize moving the real-time supervision that moves or the belly to the chest.
In addition, when the monitoring device provided by the application is applied to a human body, the discomfort caused to the human body organ when the monitoring device is pressurized by the bandage can be effectively avoided because structures such as the bandage are not needed to be used any more. Especially, when the scene needing long-time continuous measurement such as sleep monitoring is aimed at, the comfort of the user and the accuracy of measurement can be improved by adopting the monitoring equipment provided by the application.
2. The application provides a local attached device of film type for chest abdomen moves monitoring, pressure sensitive film sensor has at least one convex part that surpasses its horizontal reference face upwards or downwards. By arranging the convex part, the deformation of the pressure-sensitive film sensor with the convex part is larger than that of a pure plane pressure-sensitive film sensor under the same deformation condition, so that the collection of the tiny deformation can be effectively improved and realized on the premise of ensuring that the whole space is kept small by the arrangement mode.
3. The film type local attaching device for monitoring thoracoabdominal movement further comprises a hard connecting piece which is arranged above and/or below the pressure-sensitive film sensor and is used for connecting at least two convex parts.
When the flexible shell deforms, the hard connecting piece limits the local convex parts to deform, so that larger stress concentration points are generated between the plurality of convex parts limited by the hard connecting piece and the convex parts without limitation of the hard connecting piece, and the sensitivity of the whole pressure-sensitive film sensor is enhanced. And further improve the test accuracy of whole attached device self.
4. The application provides a local attached device of film type for chest abdomen moves monitoring still includes acceleration sensor, the casing inside with the corresponding position of acceleration sensor is provided with the installation position, acceleration sensor sets up in the installation position and with the circuit board electricity is connected. By arranging the acceleration sensor, the motion condition of the monitoring equipment can be monitored in time, for example, when the organ of a human body needs to be measured, when the acceleration variable is lower than a threshold value, the human body can be considered to be in a quiet state without actions such as turning over and the like, and the collected signal is marked as credible data; when the acceleration variable is higher than the threshold value, the device judges that the current human body is in a non-quiet state, signals on the pressure-sensitive sensor are interfered and cannot truly reflect local changes, and the collected signals are not credible.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the application of a thin film type local attachment device for monitoring thoracoabdominal movement;
FIG. 2 is a schematic view of a thin film type local attachment device for monitoring thoracoabdominal movement provided by the present application;
fig. 3 is an exploded view of a thin film type local attachment device for thoracoabdominal movement monitoring provided by the present application:
FIG. 4 is a side perspective view of a thin film type topical attachment device for thoracoabdominal movement monitoring provided herein;
FIG. 5 is a schematic view of the film-type local attachment device provided herein deforming with the skin and sensing the deformation;
FIG. 6 is a schematic diagram of a first pressure sensitive thin film sensor provided herein;
FIG. 7 is a schematic diagram of a second pressure sensitive thin film sensor configuration as provided herein;
FIG. 8 is a schematic diagram of a third pressure sensitive thin film sensor provided herein;
FIG. 9 is a schematic view of a planar pressure sensitive film sensor undergoing bending under pressure;
FIG. 10 is a schematic view of a flexible pressure sensor having a plurality of projections in a compressively flexed state;
FIG. 11 is a flow chart of a process for making a pressure sensitive thin film sensor provided herein;
fig. 12 is a block diagram of a thin film type local attachment device for thoracoabdominal movement monitoring provided by the present application.
Description of the reference symbols in the examples:
1. a flexible housing; 101. a first housing; 102. a second housing; 1021. a support portion; 103. a deformation zone; 104. a functional region;
2. a micro battery;
3. a pressure sensitive thin film sensor; 301. a pressure-sensitive film; 302. a flexible film; 303. a convex portion; 304. leading out an interface;
4. a signal output unit;
5. a wire; 6. a hard coupling member; 7. a circuit board; 9. and (3) a metal mold.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a film type local attaching device for monitoring thoracoabdominal movement, which is applied to the field of medical equipment, such as the position of the chest or the abdomen of a human body, and is used for measuring the expansion deformation of the chest or the abdomen when the human body breathes.
Specifically, the method comprises the following steps:
the flexible shell 1 is suitable for being attached to the skin of the chest/abdomen of a monitored subject, can be deformed adaptively along with the deformation of the skin of an attaching area, and comprises a second shell 101 and a second shell 102 which are oppositely arranged as shown in fig. 1-12, wherein as shown in fig. 3, the second shell 101 is arranged at the upper position of the second shell 102, a containing cavity is formed between the second shell 101 and the second shell 102, and elements with different functions are placed in the containing cavity; meanwhile, the accommodating cavity comprises a deformation area 103 and a functional area 104, wherein the deformation area 103 is used for firstly feeding back the deformation of the monitored object, and the functional area 104 is used for placing elements for realizing the functions of power supply, receiving, sending and the like;
in this embodiment, the second casing 101 and the second casing 102 are made of a flexible material, for example, a soft rubber material such as rubber or silica gel is used, and the deformation action can be well realized by using the flexible material. Meanwhile, the second housing 101 or the second housing 102 itself is adapted to be adhered to the object, and the second housing 101 or the second housing 102 is attached to the object by adhesion before the test operation is performed.
As an embodiment, an adhesive portion may be separately provided, such as a double-sided tape-like structure, one side of the adhesive portion being connected to the flexible housing and the other side being connected to the object;
as another embodiment, the adhesive part may be directly disposed on the second casing 101 and the second casing 102, one surface of the adhesive part is fixed to the flexible casing, and the other surface is disposed with a substance for performing an adhesive operation, such as glue. When the test is needed, the side where the glue is located is directly connected with the monitored object, and after the test is completed, the glue is separated from the monitored object.
The pressure-sensitive film sensor 3 is horizontally embedded into the accommodating cavity, can generate adaptive micro deformation along with the deformation of the flexible shell, and converts the micro deformation into micro electric signal change.
Further, as shown in fig. 3, 4 and 10, the pressure-sensitive film sensor has at least one convex portion 303 that is directed upward or downward beyond its horizontal reference surface.
Specifically, in this embodiment, a planar pressure-sensitive film sensor is taken as an example, and the horizontal reference plane refers to the plane of the pressure-sensitive film sensor. As shown in fig. 10, for the wavy pressure-sensitive film sensor, the horizontal reference plane refers to the plane where the dotted line is located in the figure. Meanwhile, the convex portion itself may be provided simply facing upward or downward, and it is sufficient if a certain deviation in a direction away from the horizontal reference plane can be formed.
Further, the number of the projections itself is not limited, and may be one or a plurality of; meanwhile, the shape of the convex part itself is not limited, and may be one or any combination of a square shape, an arc shape, a trapezoid shape, a triangular shape, or an irregular shape.
Further, when the convex portion itself is provided in plural, the plural convex portions extend in the longitudinal direction of the pressure-sensitive film sensor, and the plural convex portions may be provided at equal intervals or at unequal intervals. Preferably, as shown in fig. 10, a plurality of protrusions are arranged at equal intervals from each other, and the plurality of protrusions have a square, trapezoidal or arc shape with the same shape and height, and the protrusions protruding upward and the protrusions protruding downward are alternately arranged at equal intervals in the length direction of the pressure-sensitive film sensor.
Through foretell mode of setting up for pressure-sensitive film sensor self demonstrates regular broken line structure or wave structure, in the processing of being convenient for, can realize the even deformation of a plurality of convex parts, and then helps improving ultimate monitoring accuracy.
As a preferred embodiment of the present application, the convex portion is square, and the interval between the convex portion protruding upward and the adjacent convex portion protruding downward is 0, that is, the pressure-sensitive film sensor exhibits a uniform zigzag structure in which upper and lower convex portions are alternately arranged, the upper and lower convex portions having no interval in the length direction.
To verify the presence of a foldThe deformation of the pressure-sensitive film sensor itself in a linear structure is
：
L is the length of the pressure-sensitive film sensor, t is the thickness of the pressure-sensitive film sensor, R is the radius of curvature deformation, n is the number, b is the distance between the highest point and the lowest point of the pressure-sensitive film sensor (the distance between the highest point of the upper convex portion and the lowest point of the lower convex portion, i.e. the sum of the heights of the upper convex portion and the lower convex portion).
Taking fig. 9 and 10 as comparative examples, fig. 9 is a pressure-sensitive film sensor of a flat type, and fig. 10 is a pressure-sensitive film sensor employing a structure having repeated folding lines. For the sensor of FIG. 9 with length L and thickness t, when bending deformation with radius of curvature R occurs, the upper surface of the sensor is subjected to tensile deformation, the lower surface is subjected to compressive deformation, and the deformation amounts of the upper and lower surfaces are subjected to deformation
Can be described by an ideal model as:
whereas for the pressure sensitive film sensor of the same length L, shown in fig. 10, with n repeated projections, deformation can occur over a larger pressure sensitive area, increasing sensitivity. When the sensor is subjected to bending deformation with the curvature radius of R, the pressure-sensitive sensor in the parallel direction is locally and relatively stretched or compressed up and down
And also relatively deformed in the vertical direction
Whereby the total deformation amount is
It can be found by analysis that for the amplifier regions in parallel directions, the total type variation can be described as
We will find that
Therefore, we deduce:
it is obvious that the pressure-sensitive film sensor 3 having a zigzag structure can exhibit a stronger internal deformation than a flat-type pressure-sensitive film sensor when the same external shape change occurs, thereby having a higher sensitivity.
In this embodiment, in order to further improve the monitoring accuracy of the pressure-sensitive film sensor itself, a hard coupling member 6 is provided above and/or below the pressure-sensitive film sensor and couples at least two of the protrusions.
When the flexible shell deforms, the hard connecting piece limits the local convex parts to deform, so that larger stress concentration points are generated between the plurality of convex parts limited by the hard connecting piece and the convex parts without limitation of the hard connecting piece, and the sensitivity of the whole pressure-sensitive film sensor is enhanced. And further improve the test accuracy of whole attached device self.
As an embodiment, the hard coupling 6 itself may be provided only above the pressure-sensitive film sensor, as another embodiment, the hard coupling may be provided only below the pressure-sensitive film sensor. As a preferred embodiment, as shown in fig. 3 and 4, the hard couplers 6 are arranged in pairs, symmetrically above and below the pressure-sensitive film sensor.
Further, the hard coupling piece is a hard fixing short plate, which may be a hard material that is hard and hard to deform, such as metal and polymer. The connection method between the hard coupler and the protrusion is not limited as long as the connection operation between the hard coupler and the protrusion can be achieved. As an embodiment, when the hard coupling is made of a metal material, the hard coupling may be connected by welding; in order to improve the adaptation degree to different materials, fix the bonding through fixed glue and the surface of corresponding convex part.
The film type local attaching device for monitoring thoracoabdominal movement provided by the application is shown in fig. 6-8, and the pressure-sensitive film sensor is of a curved surface structure or a plane structure. Further, when the pressure-sensitive film sensor is of a curved surface structure, the pressure-sensitive film sensor is in one of wave shape and fold line shape or is combined with the wave shape and the fold line shape; or, when the pressure-sensitive film sensor is a planar structure, the pressure-sensitive film sensor is smooth.
The application provides a local attached device of film type for chest abdomen moves monitoring still includes: miniature battery, miniature battery can be the dry battery, also can be rechargeable battery, places in flexible housing hold the intracavity, the battery is connected pressure-sensitive film sensor, be equipped with on the flexible housing with the charging contact that miniature battery electricity is connected can charge for miniature battery 2 many times through external charger.
The application provides a local attached device of film type for chest abdomen moves monitoring, pressure-sensitive film sensor includes pressure-sensitive film, pressure-sensitive film adopts one or more in PVDF piezoelectric film, PZT piezoelectric film or CNT piezoresistive film. The flexible film 302 is a polymer film.
In this embodiment, in order to obtain the above pressure-sensitive thin film sensor, as shown in fig. 11, the preparation process is as follows:
selecting a metal mold 9 with a preset shape, wherein the surface shape of the metal mold 9 is consistent with the shape of the pressure-sensitive film sensor to be finally obtained;
placing a polymer film (PET, PI and other materials) positioned below on a metal mold 9, and shaping the polymer film into a shape consistent with that of the mold by pressurizing the mold up and down and raising the temperature; then repeating the step to prepare a polymer film positioned above;
adhering a pressure-sensitive film (PVDF piezoelectric film, PZT piezoelectric film or CNT piezoresistive film) on the polymer film below the pressure-sensitive film through epoxy resin;
the polymer film positioned above is packaged on the upper side of the pressure-sensitive film through epoxy resin, so that the appearance shaping and packaging of the integral structure are realized;
and the leading-out interface is arranged at the leading-out position and is connected with the circuit board to realize power supply and signal transmission actions.
The pressure-sensitive film sensor obtained by the above method has a thickness in the range of 0.05mm to 0.3 mm.
In this embodiment, the film type local attaching device for monitoring thoracoabdominal movement further includes: and a signal output part 4 arranged in the functional region and connected with the pressure-sensitive film sensor. Specifically, by providing the signal output section 4, the signal obtained by the pressure-sensitive film sensor can be sent to the outside for subsequent analysis.
Further, the signal output part 4 may transmit a signal in a wireless manner, and may employ an infrared module, a bluetooth module, or a wifi module as long as the transmission operation of the signal can be completed.
The application provides a local attached device of film type for chest abdomen moves monitoring still includes
The circuit board 7 is in communication connection with the pressure-sensitive film sensor; specifically, the signal output portion may be disposed on the circuit board, and the signal obtained by the pressure-sensitive film sensor is first sent to the circuit board, and the circuit board further sends the signal to the position of the signal output portion;
the acceleration sensor, the inside position that corresponds with the acceleration sensor of casing is provided with the installation position, the acceleration sensor sets up in the installation position and with the circuit board electricity is connected.
Specifically, the data of the acceleration sensor can be used for carrying out auxiliary judgment on the chest and abdomen movement data accuracy, and abnormal chest and abdomen movement signals are eliminated or marked. The specific principle is that the action executed by the human body is judged through the local device motion acquired by the accelerometer. When the signal obtained by the acceleration sensor is lower than the preset threshold value, the human body can be identified as a quiet state without turning over and other actions, and at the moment, the signal obtained by the pressure-sensitive film sensor is an acceptable signal and cannot be influenced by the large-scale movement of the human body. At the moment, the thoracoabdominal movement signals collected by the pressure-sensitive film sensor are marked as credible data and sent to a receiving end.
Further, when the signal obtained by the acceleration sensor is higher than a preset threshold value, the current human body is judged to be in a non-quiet state, the human body is likely to perform large actions such as turning over, the occurrence of the large actions can cause adverse effects on a monitoring result, the signal on the pressure-sensitive film sensor is interfered, and local chest and abdomen movement changes cannot be truly embodied, so that the collected chest and abdomen movement signal is marked as unreliable data.
Further, when the signal obtained by the pressure-sensitive film sensor is judged to be unreliable data, whether subsequent sending work is carried out or not can be further determined by combining the residual electric quantity of the micro battery. If the electric quantity of the micro battery is insufficient, a low-energy consumption mode needs to be executed, and the unreliable data can be controlled not to be sent to a receiving end at the moment; correspondingly, when the electric quantity is sufficient or the requirement on the power consumption is not high, the untrusted data can be controlled to be sent to the receiving end, but the data is used as original data to perform auxiliary analysis at the moment and is not used as effective data to perform specific experimental result analysis.
As shown in fig. 3, further, the micro battery and the circuit board 7 are disposed at two sides of the deformation region, a wire 5 is connected between the micro battery and the circuit board, and a power interface connected with the pressure-sensitive thin film sensor is disposed on the circuit board 7.
Specifically, as shown in fig. 3 and 4, the micro battery 2 is arranged at the right position, the circuit board 7 is arranged at the left position, and the two structures are arranged at the two ends of the whole monitoring device, so that the interference with the pressure-sensitive film sensor in the middle of the device can be avoided. In the embodiment, the circuit board is provided with a power interface which can realize the power supply operation of the pressure-sensitive film sensor and can be used for receiving an electric signal sent by the pressure-sensitive film sensor. In addition, through setting up the supporting part, when flexible housing takes place to warp, the supporting part can directly be used in on pressure-sensitive film sensor, promotes pressure-sensitive film sensor and takes place to warp together to avoid because there is the normal deformation that the space influences pressure-sensitive film sensor in flexible housing inside, thereby ensure measurement accuracy effectively. Specifically, the supporting portion itself may be disposed in a plate shape, the top surface of the supporting portion 1021 abuts against the bottom surface of the pressure-sensitive film sensor, and once the flexible housing is deformed, the supporting portion 1021 is pushed by the second housing 102 to feed back the deformation to the position of the pressure-sensitive film sensor in time, so as to achieve timely synchronous movement of the pressure-sensitive film sensor.
Further, in order to improve the degree of finishing inside the accommodating cavity, as shown in fig. 3, two wires 5 are disposed across both side portions of the pressure sensitive film sensor, and after the assembly is completed, the pressure sensitive film sensor is sandwiched between the two wires 5.
In this embodiment, as shown in fig. 12, an amplifier is provided on the circuit board, and the signal emitted from the pressure-sensitive film sensor 3 can be further amplified by the amplifier. Meanwhile, a memory is integrated on the circuit board and used for storing data sent by the pressure-sensitive film sensor and the acceleration sensor. Meanwhile, the circuit board is provided with an MCU (central processing unit) for receiving signals sent by different sensors and carrying out operation processing. Meanwhile, the circuit board is integrated with a Bluetooth module, and signal transmission operation between the monitoring device and a mobile terminal, such as a mobile phone and a tablet computer, can be realized through the Bluetooth module. In addition, a power management module is integrated on the circuit board and used for acquiring the residual electric quantity of the micro battery in real time.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention are intended to be covered by the present invention.
Claims (15)
1. A film-type local attachment device for thoracoabdominal movement monitoring, comprising:
the flexible shell is suitable for being attached to the skin of the chest/abdomen of the monitored object and can deform adaptively along with the deformation of the skin of an attached area, and an accommodating cavity is formed in the flexible shell;
the pressure-sensitive film sensor is horizontally embedded into the accommodating cavity, can generate adaptive micro deformation along with the deformation of the flexible shell, and converts the micro deformation into micro electric signal change.
2. The film-type topical application device for thoracoabdominal movement monitoring of claim 1, wherein the pressure sensitive film sensor has at least one protrusion that extends upwardly or downwardly beyond its horizontal reference plane.
3. The local thin film applicator for thoracoabdominal movement monitoring as claimed in claim 2, wherein the protrusion is provided in plurality, and the protrusion is one or any combination of a square shape, an arc shape, a trapezoid shape, a triangle shape or an irregular shape.
4. The film-type topical application device for thoracoabdominal movement monitoring as claimed in claim 2, wherein the convex portion is provided in plural along a length direction of the pressure-sensitive film sensor.
5. The film-type topical application device for thoracoabdominal movement monitoring as claimed in claim 4, wherein said convex portions are square, trapezoidal or arc-shaped with the same shape and height, and said convex portions projecting upward and said convex portions projecting downward are alternately arranged at equal intervals along the length direction of said pressure-sensitive film sensor.
6. The film-type topical application device for thoracoabdominal movement monitoring as claimed in claim 5, wherein said convex portion is square, the interval between said convex portion protruding upward and said adjacent convex portion protruding downward is 0, and the deformation amount of said pressure-sensitive film sensor is
：
L is the length of the pressure-sensitive film sensor, t is the thickness of the pressure-sensitive film sensor, R is the radius of curvature deformation, n is the number, and b is the distance between the highest point and the lowest point of the pressure-sensitive film sensor.
7. The membrane-type topical application device for thoracoabdominal movement monitoring of claim 4, further comprising a rigid coupling member provided above and/or below the pressure-sensitive membrane sensor for coupling at least two of the protrusions.
8. The film-type topical application device for thoracoabdominal movement monitoring of claim 7, wherein the rigid couplers are arranged in pairs, symmetrically above and below the pressure sensitive film sensor.
9. The film-type local attachment device for thoracoabdominal movement monitoring as recited in claim 7, wherein the hard coupling member is a hard fixing short plate fixedly adhered to the surface of the corresponding convex portion by fixing glue.
10. The film-type topical application device for thoracoabdominal movement monitoring of claim 1, wherein the pressure sensitive film sensor is of a curved or planar configuration.
11. The film-type topical application device for thoracoabdominal movement monitoring as claimed in claim 10, wherein when the pressure-sensitive film sensor is of a curved structure, the pressure-sensitive film sensor is one or a combination of wave shape and fold line shape; or, when the pressure-sensitive film sensor is a planar structure, the pressure-sensitive film sensor is smooth.
12. The film-type local attachment device for thoracoabdominal movement monitoring of claim 1, further comprising:
the miniature battery is arranged in the accommodating cavity of the flexible shell, the pressure-sensitive film sensor is electrically connected, and a charging contact electrically connected with the miniature battery is arranged on the flexible shell.
13. The local attachment device of thin film type for thoracoabdominal movement monitoring as claimed in claim 1, wherein the pressure sensitive thin film sensor comprises a pressure sensitive thin film using one or more of PVDF piezoelectric thin film, PZT piezoelectric thin film or CNT piezoresistive thin film.
14. The local affixation device of film type for thoracoabdominal movement monitoring as claimed in claim 1, wherein said flexible casing comprises a first casing and a second casing which are oppositely disposed, a housing cavity is formed between said first casing and said second casing, said housing cavity comprises a deformation region and a functional region, and said pressure-sensitive film sensor is disposed in said deformation region.
15. The film-type local attachment device for thoracoabdominal movement monitoring of claim 1, further comprising:
the circuit board is in communication connection with the pressure-sensitive film sensor;
the acceleration sensor, the inside position that corresponds with the acceleration sensor of casing is provided with the installation position, the acceleration sensor sets up in the installation position and with the circuit board electricity is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211082922.2A CN115192006B (en) | 2022-09-06 | 2022-09-06 | Film type local attaching device for monitoring chest and abdomen movement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211082922.2A CN115192006B (en) | 2022-09-06 | 2022-09-06 | Film type local attaching device for monitoring chest and abdomen movement |
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| CN115192006A true CN115192006A (en) | 2022-10-18 |
| CN115192006B CN115192006B (en) | 2022-12-06 |
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| CN202211082922.2A Active CN115192006B (en) | 2022-09-06 | 2022-09-06 | Film type local attaching device for monitoring chest and abdomen movement |
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| CN115192006B (en) | 2022-12-06 |
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