CN114041966A - Negative plate return circuit pad system of self-adaptation regulation - Google Patents
Negative plate return circuit pad system of self-adaptation regulation Download PDFInfo
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Abstract
The invention provides a negative plate loop pad system capable of self-adaptive adjustment, which comprises a loop pad main body, a control module and an air pump, wherein the loop pad main body is provided with a loop pad main body; the loop pad main body sequentially comprises an upper TPU film layer (10), a conducting layer (20), a middle TPU film layer (30), a gel layer (40) internally provided with a pressure sensor (41), an air bag layer (50) internally provided with an independent air bag (51), a conduit layer (60) internally provided with an air duct (61) and a lower TPU film layer (70). The control module realizes the self-adaptive adjustment of the inflation quantity by acquiring an initial pressure value and a pressure change value, performing targeted initial inflation by using the air pump and dynamically fine-adjusting the inflation quantity of each independent air bag (51). The system adjusts the inflation quantity of each independent air bag (51) according to different pressures generated by different positions of the loop pad main body by the weight and the posture of different patients, so as to ensure the comfortable sensation of the patients; meanwhile, the body position and the body supporting point of the patient are improved and the operation requirement is met by adjusting the inflation quantity of each independent air bag (51).
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a negative plate loop pad system capable of being adjusted in a self-adaptive mode.
Background
In recent years, the concern about health and the concern about environment have become a problem of general attention of the medical community, namely society; the patient is taken as the center, all-round nursing and humanized services are provided for the patient, and meanwhile, the medical waste and the medical waste are reduced, so that the development goal of modern medical enterprises is achieved.
The negative plate loop pad is a high-tech negative electrode loop product, is mainly applied to the field of electrosurgery, provides a safe and reliable negative electrode loop for a high-frequency electrotome in the operation, and is one of necessary components of the high-frequency electrotome; the technical principle of capacitance is applied to the structural design of the high-frequency electrotome loop, so that the surgical operation is safer and more convenient, and the possibility of burning and burning is essentially avoided; meanwhile, the negative plate loop pad is introduced by the polymer environment-friendly material, so that the product has the functions of preventing pressure sores, bedsores and X-ray permeability on the basis of providing the negative plate loop.
However, because different human bodies have weights (namely, the weights are different), the existing negative plate circuit pad cannot be adaptively adjusted according to different patients, and a part of patients with heavy weight lie on the negative plate circuit pad to be directly contacted with a hard operating table (namely, the deformation degree of the negative plate circuit pad is not enough to buffer the pressure generated by the patient with heavy weight), so that the problems of muscle stiffness, blood vessel blockage, even pressure sores and the like inevitably occur. Meanwhile, due to the fact that the postures of the negative plate circuit pad are different due to habits of different people (namely, the postures of the negative plate circuit pad are different due to different people or the postures of the negative plate circuit pad are different due to different surgical positions), the area of part of the negative plate circuit pad is excessively stressed by the human body, and the part of the area is not stressed, so that the problem that the part of the area is damaged due to repeated and excessive stress is easily caused, the service life of a product is short, and the development of the negative plate circuit pad is seriously restricted.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a negative plate circuit pad system capable of adaptive adjustment, so as to solve the above problems in the background art.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a negative plate return circuit pad system of self-adaptation regulation which characterized in that: comprises a loop pad main body, a control module and an air pump; the loop pad main body sequentially comprises an upper TPU film layer, a conductive layer, a middle TPU film layer, a gel layer, an air bag layer, a conduit layer and a lower TPU film layer from top to bottom; a plurality of independent air bags with the same size are uniformly distributed in the air bag layer, a plurality of pressure sensors are distributed in a rectangular lattice manner in the gel layer and correspond to the independent air bags on the lower layer one by one, the conduit layer is made of hard insulating materials, air guide tubes are arranged in the conduit layer corresponding to the independent air bags and are embedded in the conduit layer, one end of each air guide tube penetrates through the upper part of the conduit layer and is communicated with the bottom of the corresponding independent air bag, the other end of each air guide tube in the same row or the same line penetrates through the side surface of the conduit layer and is communicated with a main conduit (if the air guide tubes in the same row are communicated with the main conduit, all the independent air bags are arranged in rows, if the air guide tubes in the same row are communicated with the main conduit, all the main conduit are communicated with the air pump, and first adjusting air valves are respectively arranged outside the conduit layers, the main guide pipe is respectively provided with a second regulating air valve;
the pressure sensor, the first adjusting air valve, the second adjusting air valve and the air pump are electrically connected with the control module; control module can lead to pressure sensor's pressure value change according to pressure sensor's pressure variation value (lie patient's weight and the position on negative plate return circuit cushion system promptly, this application judges patient's weight and gesture through this pressure variation value) the first regulating valve of pertinence control, second regulating valve and air pump open and close to aerify each independent gasbag, accomplish self-adaptation control, specifically do:
s100, acquiring an initial pressure value: when the circuit pad main body is in an initial state (namely when a patient does not lie on the circuit pad main body), the control module records the value of each pressure sensor to obtain an initial pressure value P0；
S200, acquiring a pressure change value: when a patient lies on the loop pad main body, the pressure stable value P of each pressure sensor after the patient lies is obtained through the control modulew(when a patient lies on the loop pad body, the pressure value of the patient at the initial stage of lying on the loop pad body is unstable and fluctuates greatly due to posture adjustment or movement of the patient; when the posture adjustment of the patient is finished, the pressure value area is stable and fluctuates slightly, and the pressure value at the moment is a pressure stable value Pw) Thereby obtaining pressure change values Δ P of the respective pressure sensors;
i.e. Δ P ═ Pw-P0|；
Then, the control module divides the whole loop pad main body into an effective area and an edge area according to whether the delta P is 0 or not;
s300, performing targeted initial inflation by using an air pump:
s301, initial inflation amount of the independent air bag in the effective area: obtaining the initial inflation quantity of the independent air bag in the effective area according to the variation of the pressure value and the maximum value and the minimum value of the variation of the pressure value of the whole loop cushion main body, specifically:
in the formula, Y is the initial inflation quantity of the independent air bag; y isMThe maximum inflation quantity of the independent air bags (namely the inflation quantity when the independent air bags are completely filled) is determined by the actual conditions (namely the factors such as thickness, materials and the like) of the air bag layers, and the maximum inflation quantities of the independent air bags are consistent; pminIs the minimum value of the change amount of the pressure values of all the pressure sensors of the loop pad body (namely the minimum value of delta P in all the pressure sensors); pmaxThe maximum value of the amount of change in the pressure value of all the pressure sensors (i.e., the maximum value of Δ P in all the pressure sensors) of the circuit pad main body;
s302, initial inflation amount of the independent air bag in the edge area: for the independent air bags in the edge area, obtaining the initial inflation quantity of the independent air bags in the effective area closest to the independent air bags in the edge area, and taking the initial inflation quantity of the independent air bags in the effective area as the initial inflation quantity of the independent air bags in the edge area;
s303, inflating each independent air bag: opening the air pump, controlling the opening degree of each first regulating air valve and each second regulating air valve according to the initial inflation quantity, and synchronously inflating each independent air bag according to the initial inflation quantity of each independent air bag in the step S301 and the step S302;
s400, dynamically fine-adjusting the inflation quantity of each independent air bag: calculating in real time to obtain mean value u of independent air bag inflation volume in effective areafAnd effective area pressure sensor mean up(upMean value transformation amount between the mean value of the pressure sensors at the corresponding moment and the mean value of the pressure sensors at the initial state) according to the mean value u of the inflating amount of the independent air bags in the effective areafAnd the variation value of each independent air bag pressure sensor in the effective area and the average value u of the pressure sensors in the effective areapChange (increase or decrease) the inflation amount of the corresponding independent airbag.
Further optimizing, the thicknesses of the upper TPU film layer, the middle TPU film layer and the lower TPU film layer are 0.2-0.4 mm; the thickness of the conductive layer is 0.1-0.4 mm; the thickness of the gel layer is 5-8 mm; the thickness of the conduit layer is 3-6 mm.
Preferably, the pressure sensor is a ceramic capacitive pressure sensor, and the thickness of the ceramic capacitive pressure sensor is smaller than that of the gel layer, so that the pressure sensor is embedded in the gel layer.
Preferably, the conduit layer is made of resin materials, and the air guide tube is embedded in the hard conduit layer, so that the air guide tube is effectively prevented from being extruded and blocked when a patient lies on the loop pad main body; the diameter of the air duct is smaller than the thickness of the duct layer.
For further optimization, the ratio range of the initial inflation quantity and the maximum inflation quantity of the independent airbag in the step S301 is
For further optimization, the method for controlling the opening degree of each of the first air regulating valve and the second air regulating valve according to the initial inflation amount in step S303 specifically includes:
s3031, obtaining the initial total inflation volume of the air pump:
firstly, the initial inflation quantity Y of the main duct of each row or each column is obtained according to the connection of n air ducts (namely n independent air bags) on one main ductA：
In the formula, YiThe initial inflation quantity of the corresponding independent air bag in the corresponding row or column is obtained according to the steps S301 and S302;
then, the initial total inflation amount Y of the air pump is obtained according to the m main guide pipesB：
S3032, controlling the opening of each second regulating air valve according to the ratio of the initial inflation quantity of each main guide pipe to the initial total inflation quantity of the air pump (namely the proportion of the initial inflation quantity of each main guide pipe);
s3033, controlling the opening degree of each first regulating air valve according to the ratio of the initial inflation quantity of each independent air bag to the initial inflation quantity of the corresponding main guide pipe (namely the proportion of the initial inflation quantity of the independent air bags);
s3034, finally starting the air pump according to the initial total inflation quantity.
For further optimization, the step S400 specifically includes:
when in use
When the pressure sensor variation value in the effective region is less than upThe independent air bag supplements the inflation quantity (namely, the second adjusting air valve and the first adjusting air valve which correspond to the independent air bag are opened for inflation), so that the change value of the pressure sensor is close to up；
When in use
When the pressure sensor variation value is greater than u in the effective regionpThe independent air bag releases the inflation quantity (namely opens the corresponding second regulating air valve and the first regulating air valve and deflates) to ensure that the change value of the pressure sensor is close to up；
When in use
When the air is inflated, the inflation quantity of the independent air bag in the effective area is not adjusted;
mean value u of inflation quantity of independent air bags in effective areafThe total value of the inflating quantity of the effective area is divided by the number of the independent air bags of the effective area to obtain the total value; the total value of the inflation quantity of the effective area is the sum of the initial inflation quantities of all the independent air bags of the effective area during initial use; during the use process, the sum of the initial inflation amount of each independent air bag in the effective area and the supplementary inflation amount in the step S400 is obtained.
For further optimization, the control module can also adjust the comfortable position of the user in the initial process, specifically:
firstly, obtaining pressure sensor points with maximum pressure according to initial pressure change values delta P of all pressure sensors of a patient lying on a loop pad body, namely, after initial inflation is finished, the initial pressure change value of one pressure sensor in all the pressure sensors and points larger than the pressure change value of the pressure sensors around the pressure sensor are obtained, and the pressure change value is the maximum pressure; setting a threshold value (the threshold value is set according to the comfort degree of a patient lying on the loop pad body and is obtained according to the material, thickness and practical application of the loop pad body), and obtaining a gravity point according to the relation between the pressure maximum value and the threshold value, specifically:
if the pressure maximum value is larger than the threshold value, the pressure sensor point corresponding to the pressure maximum value is a gravity point; if the maximum pressure value is not greater than the threshold value, the pressure value is not a gravity point;
then sequencing all the obtained gravity points in a descending order; finally, circularly adjusting the air inflation quantity of each gravity point in sequence, which specifically comprises the following steps: and taking the second point of the gravity point sequence as a base point, increasing the inflation quantity of the independent air bags, simultaneously reducing the inflation quantity of the independent air bags of the first point of the gravity point sequence, enabling the second point to become a new gravity stress point, sequentially increasing the inflation quantity of the next point, simultaneously reducing the inflation quantity of the previous point (for example, increasing the inflation quantity of the third point, simultaneously reducing the inflation quantity of the second point), and continuously changing the gravity stress point until the most comfortable position of the patient is reached.
In a further optimization, the negative plate loop pad system further comprises a high-frequency power supply and a high-frequency electrotome, wherein the high-frequency power supply is respectively connected with the conducting layer and the high-frequency electrotome through leads.
The invention has the following technical effects:
the negative plate loop pad system can intelligently adjust the inflation quantity of each independent air bag according to the weight of different patients or different postures and positions of the patients when the patients lie down, so that different pressures generated by different patients and different use processes on the loop pad main body are met, and the comfort of the patients in the use process is ensured; the system forms effective protection on the skin, blood vessels and the like of the body of a patient, avoids the problems of muscle stiffness, blood vessel blockage, even pressure sore and the like caused by weight extrusion of the patient in the long-time operation process, and simultaneously avoids the problems of delayed operation process, delayed operation optimal time, prolonged operation time and the like caused by the fact that the patient extrudes the same position for a long time to damage a loop pad main body, thereby causing secondary damage to the patient in the operation process; the intelligent degree of this system is high, through the automatic adjustment of independent gasbag inflation volume to reduce mutual pressure between patient and the return circuit pad main part, improve the life of return circuit pad main part when improving the comfort, guarantee many times, the recycling of return circuit pad main part, reduce medical cost and maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram of a circuit pad main body of a negative plate circuit pad system in an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a gel layer of the negative plate circuit pad system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an airbag layer of the negative plate return pad system according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a conduit layer of the negative plate circuit pad system in the embodiment of the invention.
Wherein, 10, a TPU film layer is arranged; 20. a conductive layer; 30. a middle TPU film layer; 40. a gel layer; 41. a pressure sensor; 50. an air bag layer; 51. an independent air bag; 60. a conduit layer; 61. an air duct; 610. a first regulating air valve; 62. a main duct; 620. a second regulating air valve; 70. and (5) coating a TPU film layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Example (b):
as shown in FIGS. 1-4, a negative plate loop pad system capable of self-adaptive adjustment is characterized in that: comprises a loop pad main body, a control module and an air pump; the loop pad main body sequentially comprises an upper TPU film layer 10, a conductive layer 20, a middle TPU film layer 30, a gel layer 40, an air bag layer 50, a catheter layer 60 and a lower TPU film layer 70 from top to bottom; a plurality of independent air bags 51 with the same size are uniformly distributed in the air bag layer 50, a plurality of pressure sensors 41 are distributed in the gel layer 40 in a rectangular lattice manner, the pressure sensors 41 correspond to the independent air bags 51 on the lower layer one by one, the conduit layer 60 is made of hard insulating materials, air ducts 61 are arranged in the independent air bags 51 corresponding to the independent air bags 51 in the conduit layer, the air ducts 61 are embedded in the conduit layer 60, one end of each air duct 61 penetrates through the upper part of the conduit layer 60 and is communicated with the bottom of the corresponding independent air bag 51, the other end of each air duct 61 in the same row or the same row penetrates through the side surface of the conduit layer 60 and is communicated with a main conduit 62 (if the air ducts 61 in the same row are communicated with the main conduit 62, all the independent air bags 51 are arranged in rows, if the air ducts 61 in the same row are communicated with the main conduit 62, all the independent air bags 51 are arranged in rows as shown in figure 4, the air ducts 61 in the same row are communicated with one main conduit 62), the main duct 62 is communicated with the air pump, the air ducts 61 are located outside the duct layer 60 and are respectively provided with a first regulating air valve 610, and the main duct 62 is respectively provided with a second regulating air valve 620. The control module can adopt a singlechip, such as a 51-series singlechip or other singlechips capable of realizing the functions of the application (which is a conventional technical means in the field and is not discussed much in the application); the pressure sensor 41 is a ceramic capacitance type pressure sensor, the thickness of the pressure sensor is smaller than that of the gel layer 40, and the pressure sensor 41 is ensured to be embedded into the gel layer 40; the conduit layer 60 is made of resin materials, and the air duct 61 is embedded in the hard conduit layer 60, so that the air duct 61 is effectively prevented from being extruded when a patient lies on the loop pad main body, and the air duct 61 is prevented from being blocked; the diameter of the airway tube 61 is less than the thickness of the conduit layer 60.
The thicknesses of the upper TPU film layer 10, the middle TPU film layer 30 and the lower TPU film layer 40 are 0.2-0.4 mm (preferably 0.3 mm); the thickness of the conductive layer 20 is 0.1 to 0.4mm (preferably 0.25 mm); the thickness of the gel layer 40 is 5-8 mm (preferably 6.5 mm); the thickness of the conduit layer 60 is 3-6 mm (preferably 4.5 mm).
The pressure sensor 41, the first adjusting air valve 610, the second adjusting air valve 620 and the air pump are electrically connected with the control module; the control module pertinence control first regulating air valve 610, second regulating air valve 620 and air pump according to pressure change value (lie in patient's weight and the position on negative plate circuit cushion system promptly and can lead to pressure sensor 41's pressure value to change, this application through this pressure change value judgement patient's weight and gesture) of pressure sensor 41 to aerify each independent gasbag 51, accomplish self-adaptation control, specifically be:
s100, acquiring an initial pressure value: when the circuit pad main body is in the initial state (i.e. when no patient lies on the circuit pad main body), the control module records the value of each pressure sensor 41, and obtains the initial pressure value P0；
S200, acquiring a pressure change value: when a patient lies on the loop pad main body, the pressure stable value P of each pressure sensor after the patient lies is obtained through the control modulew(when a patient lies on the loop pad body, the patient can be caused to lie on the loop pad body at the beginning due to the posture adjustment or movement of the patientThe pressure value in the period is unstable, and huge fluctuation occurs; when the posture of the patient is adjusted, the pressure value area is stable and slightly fluctuates, and the pressure value at the moment is a pressure stable value Pw) Thereby obtaining the pressure change value Δ P of each pressure sensor 41;
i.e. Δ P ═ Pw-P0|；
Then, the control module divides the whole loop pad main body into an effective area and an edge area according to whether the delta P is 0 or not;
s300, performing targeted initial inflation by using an air pump:
s301, initial inflation amount of the independent air bag 51 in the effective area: the initial inflation amount of the independent air bag 51 in the effective area is obtained according to the variation of the pressure value and the maximum value and the minimum value of the variation of the pressure value of the whole loop pad main body, specifically:
wherein Y is the initial inflation amount of the independent airbag 51; y isMThe maximum inflation amount of the independent air bags 51 (i.e. the inflation amount when the independent air bags 51 are completely filled) is determined by the actual conditions of the air bag layers (i.e. the factors such as thickness and material), and the maximum inflation amounts of the independent air bags 51 are consistent (i.e. the maximum inflation amounts of the independent air bags 51 are consistent in the same circuit cushion main body part); pminIs the minimum value of the amount of change in the pressure values of all the pressure sensors 41 of the circuit pad body (i.e., the minimum value of Δ P among all the pressure sensors 41); pmaxThe maximum value of the amount of change in the pressure value of all the pressure sensors 41 of the circuit pad body (i.e., the maximum value of Δ P in all the pressure sensors 41);
initial inflation Y and maximum inflation Y of the independent airbag 51MIn the range of the ratio of
S302, initial inflation amount of the edge area independent airbag 51: for the edge area individual air bag 51, the initial inflation amount of the effective area individual air bag 51 closest thereto is obtained, and the initial inflation amount of the effective area individual air bag 51 is taken as the initial inflation amount of the edge area individual air bag 51;
s303, inflating each individual airbag 51: opening the air pump, controlling the opening degree of each first regulating air valve 610 and each second regulating air valve 620 according to the initial inflation quantity, and synchronously inflating each independent air bag 51 according to the initial inflation quantity of each independent air bag 51 in the step S301 and the step S302;
the method specifically comprises the following steps:
s3031, obtaining the initial total inflation volume of the air pump:
firstly, the initial inflation amount Y of the main duct 62 of each row is obtained according to the connection of n air ducts (namely n independent air bags) on one main duct 62A：
In the formula, YiThe initial inflation amount of the corresponding individual airbag 51 in the associated column is obtained in accordance with steps S301 and S302;
then, the initial total inflation amount Y of the air pump is obtained according to the m main conduits 62B：
S3032, controlling the opening of each second air valve 620 according to the ratio of the initial inflation amount of each main conduit 62 to the initial total inflation amount of the air pump (i.e., the ratio of the initial inflation amount of each main conduit 62);
s3033, controlling the opening degree of each first regulating air valve 610 according to the ratio of the initial inflation quantity of each independent air bag 51 to the initial inflation quantity of the corresponding main conduit 62 (namely the proportion of the initial inflation quantity of the independent air bags);
s3034, finally starting the air pump according to the initial total inflation quantity.
S400, dynamically fine-adjusting the inflation quantity of each independent air bag: real-time calculation to obtain mean value u of inflation quantity of independent air bag 51 in effective areafAnd effective area pressure sensor 41 mean value up(upThe mean value transformation amount between the mean value of the pressure sensors 41 at the corresponding time and the mean value of the pressure sensors 41 at the initial state), based on the mean value u of the inflating amount of the independent air bags 51 in the effective areafThe size of (d), the variation value of the pressure sensor 41 of each effective region individual air bag 51 and the average value u of the effective region pressure sensor 41pChange (increase or decrease) the inflation amount of the corresponding independent airbag 51;
the method specifically comprises the following steps:
when in use
When the change value of the pressure sensor 41 is less than u in the effective regionpThe independent air bag 51 is supplemented with the inflation quantity (namely, the corresponding second regulating air valve and the corresponding first regulating air valve are opened for inflation), so that the change value of the pressure sensor 41 is close to up；
When in use
When the change value of the pressure sensor 41 is larger than u in the effective regionpThe independent air bag 51 is released (i.e. the corresponding second regulating air valve and the first regulating air valve are opened and the air is discharged) to lead the change value of the pressure sensor 41 to be close to up；
When in use
When the inflation amount of the independent airbag 51 in the effective region is not adjusted;
mean value u of inflation amount of independent air bag 51 in effective areafObtained by dividing the total value of the inflation amount of the effective area by the number of the independent airbags 51 of the effective area; the total value of the inflation amount of the effective area is the sum of the initial inflation amounts of the individual airbags 51 in the effective area in the initial use; the sum of the initial inflation amount of each individual airbag 51 in the effective area and the supplementary inflation amount in step S400 is used.
The control module can also adjust the comfortable position of the user in the initial process, specifically:
firstly, according to the initial pressure change value delta P of each pressure sensor 41 on the loop pad body, a pressure sensor 41 point with the maximum pressure value is obtained, namely, after the initial inflation amount is completed, the initial pressure change value of one pressure sensor 41 in each pressure sensor 41 is larger than the pressure change value of the surrounding pressure sensor 41, and the pressure change value is the maximum pressure value; setting a threshold value (the threshold value is set according to the comfort degree of a patient lying on the loop pad body and is obtained according to the material, thickness and practical application of the loop pad body), and obtaining a gravity point according to the relation between the pressure maximum value and the threshold value, specifically:
if the pressure maximum value is larger than the threshold value, the point 41 of the pressure sensor corresponding to the pressure maximum value is a gravity point; if the maximum pressure value is not greater than the threshold value, the pressure value is not a gravity point;
then sequencing all the obtained gravity points in a descending order; finally, circularly adjusting the air inflation quantity of each gravity point in sequence, which specifically comprises the following steps: and taking the second point of the gravity point sequence as a base point, increasing the inflation quantity of the independent air bags 51, simultaneously reducing the inflation quantity of the independent air bags 51 of the first point of the gravity point sequence, enabling the second point to become a new gravity stress point, sequentially increasing the inflation quantity of the next point, simultaneously reducing the inflation quantity of the previous point (for example, increasing the inflation quantity of the third point, simultaneously reducing the inflation quantity of the second point), and continuously changing the gravity stress point until the most comfortable position of the patient is reached.
The negative plate loop pad system further comprises a high-frequency power supply and a high-frequency electrotome, wherein the high-frequency power supply is respectively connected with the conducting layer 20 and the high-frequency electrotome through leads.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a negative plate return circuit pad system of self-adaptation regulation which characterized in that: comprises a loop pad main body, a control module and an air pump; the loop pad main body is sequentially provided with an upper TPU film layer (10), a conductive layer (20), a middle TPU film layer (30), a gel layer (40), an air bag layer (50), a catheter layer (60) and a lower TPU film layer (70) from top to bottom; a plurality of independent gasbags (51) of the same size are uniformly distributed in the gasbag layer (50), the inside of the gel layer (40) is provided with a plurality of pressure sensors (41) distributed in a rectangular lattice manner, the pressure sensors (41) are in one-to-one correspondence with the lower independent gasbags (51), the conduit layer (60) is made of hard insulating materials and corresponds to the inside of the conduit layer (40), the independent gasbags (51) are provided with air ducts (61), the air ducts (61) are embedded in the conduit layer (60), one end of each air duct (61) runs through the upper part of the conduit layer (60) and is communicated with the bottom of the corresponding independent gasbag (51), the other ends of the air ducts (61) in the same row or the same row run through the side of the conduit layer (60) and is communicated with a main conduit (62), the main conduit (62) is communicated with the air pump, the air ducts (61) are positioned outside the conduit layer (60) and are respectively provided with first adjusting valves (610), the main duct (62) is respectively provided with a second regulating air valve (620);
the pressure sensor (41), the first adjusting air valve (610), the second adjusting air valve (620) and the air pump are electrically connected with the control module; the control module controls the first regulating air valve (610), the second regulating air valve (620) and the air pump to open and close according to the pressure change value of the pressure sensor (41) in a pertinence manner, so that each independent air bag (51) is inflated, and self-adaptive control is completed, and the method specifically comprises the following steps:
s100, acquiring an initial pressure value: when the circuit pad main body is in an initial state, the control module records the value of each pressure sensor (41) to obtain an initial pressure value P0；
S200, acquiring a pressure change value: when a patient lies on the loop pad body, the pressure stable value P of each pressure sensor (41) of the patient after lying is obtained through the control modulewThereby obtaining pressure change values Δ P of the respective pressure sensors (41);
i.e. Δ P ═ Pw-P0|；
Then, the control module divides the whole loop pad main body into an effective area and an edge area according to whether the delta P is 0 or not;
s300, performing targeted initial inflation by using an air pump:
s301, initial inflation amount of the independent air bag (51) in the effective area: obtaining the initial inflation quantity of the independent air bag (51) in the effective area according to the variation of the pressure value and the maximum value and the minimum value of the variation of the pressure value of the whole loop cushion main body, specifically:
wherein Y is the initial inflation amount of the independent air bag (51); y isMThe maximum inflation quantity of the independent air bags (51) is determined by the actual condition of the air bag layer (50), and the maximum inflation quantities of the independent air bags (51) are consistent; pminIs the minimum value of the pressure value change of all the pressure sensors (41) of the loop pad body; pmaxIs the maximum value of the pressure value change of all the pressure sensors (41) of the loop pad body;
s302, initial inflation amount of the edge area independent air bag (51): for the independent air bag (51) of the edge area, obtaining the initial inflation quantity of the independent air bag (51) of the effective area closest to the independent air bag, and taking the initial inflation quantity of the independent air bag (51) of the effective area as the initial inflation quantity of the independent air bag (51) of the edge area;
s303, inflating each independent air bag (51): opening an air pump, controlling the opening degree of each first regulating air valve (610) and each second regulating air valve (620) according to the initial inflation quantity, and synchronously inflating each independent air bag (51) according to the initial inflation quantity of each independent air bag (51) in the steps S301 and S302;
s400, dynamically fine-adjusting the inflation quantity of each independent air bag (51): real-time calculation is carried out to obtain the mean value u of the inflation quantity of the independent air bags (51) in the effective areafAnd the effective area pressure sensor (41) mean value upAccording to the mean value u of the inflation quantity of the independent air bag (51) in the effective areafThe size of (1), the variation value of the pressure sensor (41) of each independent air bag (51) in the effective area and the average value u of the pressure sensor (41) in the effective areapChange the relationship of corresponding independent qiThe amount of inflation of the bladder (51).
2. The adaptive conditioning negative plate circuit pad system of claim 1, wherein: the thicknesses of the upper TPU film layer (10), the middle TPU film layer (30) and the lower TPU film layer (70) are 0.2-0.4 mm; the thickness of the conducting layer (20) is 0.1-0.4 mm; the thickness of the gel layer (40) is 5-8 mm; the thickness of the conduit layer (60) is 3-6 mm.
3. An adaptive regulator negative plate circuit pad system as claimed in claim 1 or 2, wherein: the method for controlling the opening degree of each of the first regulating air valve (610) and the second regulating air valve (620) according to the initial inflation amount in the step S303 specifically includes:
s3031, obtaining the initial total inflation volume of the air pump:
firstly, the initial inflation amount Y of the main duct (62) of each column or each row is obtained according to the connection of n air ducts (61) on one main duct (62)A：
In the formula, YiThe initial inflation amount of the corresponding independent air bag (51) in the corresponding row or column is obtained according to the steps S301 and S302;
then, the initial total inflation amount Y of the air pump is obtained according to the m main guide pipes (62)B：
S3032, controlling the opening degree of each second regulating air valve (620) according to the ratio of the initial inflation quantity of each main guide pipe (62) to the initial total inflation quantity of the air pump;
s3033, controlling the opening degree of each first regulating air valve (610) according to the ratio of the initial inflation quantity of each independent air bag (51) to the initial inflation quantity of the corresponding main guide pipe (62);
s3034, finally starting the air pump according to the initial total inflation quantity.
4. An adaptive modulation negative plate circuit pad system according to any one of claims 1 to 3, characterized in that: the step S400 specifically includes:
when in use
When the pressure sensor (41) changes less than u in the effective regionpThe independent air bag (51) supplements the inflation quantity to make the change value of the pressure sensor (41) close to up；
When in use
When the pressure sensor (41) changes more than u in the effective regionpThe independent air bag (51) releases the inflation quantity to make the variation value of the pressure sensor (41) close to up；
When in use
When the air is inflated, the inflation amount of the independent air bag (51) in the effective area is not adjusted;
the mean value u of the inflation quantity of the independent air bag (51) in the effective areafObtained by dividing the total value of the inflating quantity of the effective area by the number of the independent air bags (51) of the effective area; the total value of the inflation quantity of the effective area is the sum of the initial inflation quantities of the independent airbags (51) in the effective area during initial use; during the use process, the sum of the initial inflation quantity of each independent air bag (51) in the effective area and the supplementary inflation quantity in the step S400 is obtained.
5. An adaptive modulation negative plate circuit pad system according to any one of claims 1 to 3, characterized in that: the control module can also adjust the comfortable position of the user in the initial process, specifically:
firstly, obtaining the pressure sensor (41) point with the maximum pressure value according to the initial pressure change value delta P of each pressure sensor (41) of the patient lying on the loop pad body, namely, the point with the maximum pressure value, which is the initial pressure change value of one pressure sensor (41) in each pressure sensor (41) and is larger than the pressure change value of the pressure sensor (41) around the pressure sensor after the initial inflation amount is completed, and the pressure change value is the maximum pressure value; setting a threshold value, and obtaining a gravity point according to the relation between the pressure maximum value and the threshold value, wherein the method specifically comprises the following steps:
if the pressure maximum value is larger than the threshold value, the point of the pressure sensor (41) corresponding to the pressure maximum value is a gravity point; if the maximum pressure value is not greater than the threshold value, the pressure value is not a gravity point;
then sequencing all the obtained gravity points in a descending order; finally, circularly adjusting the air inflation quantity of each gravity point in sequence, which specifically comprises the following steps: and taking the second point of the gravity point sequencing as a base point, increasing the inflation quantity of the independent air bag (51) and simultaneously reducing the inflation quantity of the independent air bag (51) of the first point of the gravity point sequencing to enable the second point to become a new gravity stress point, sequentially increasing the inflation quantity of the next point and simultaneously reducing the inflation quantity of the previous point, and continuously changing the gravity stress point until the most comfortable position of the patient is reached.
6. The adaptive conditioning negative plate circuit pad system of claim 1, wherein: the negative plate loop pad system further comprises a high-frequency power supply and a high-frequency electrotome, wherein the high-frequency power supply is respectively connected with the conducting layer (20) and the high-frequency electrotome through leads.
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| CN114893605A (en) * | 2022-03-28 | 2022-08-12 | 慕思健康睡眠股份有限公司 | Valve control method, valve control device, cushion body and storage medium |
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