KR20230139501A - A smart health care system for preventing decubitus equipped with ir light emitting diode and pressure sensor - Google Patents

Abstract

A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor is provided. The system includes a body holder for maintaining the subject's body and a control device, wherein the body holder includes a sensor unit for measuring the degree of pressure by the subject on the body holder and at least a part of the subject's body. It includes an infrared illumination unit configured to irradiate infrared rays. The control device includes a processor configured to collect data on the degree of pressure measured by the sensor unit and control the infrared radiation pattern of the infrared illuminator.

Description

A smart health care system for preventing bedsores equipped with an infrared lighting device and a pressure sensor {A SMART HEALTH CARE SYSTEM FOR PREVENTING DECUBITUS EQUIPPED WITH IR LIGHT EMITTING DIODE AND PRESSURE SENSOR}

The present invention relates to a smart healthcare system, and more specifically, to a smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.

A bedsore is an ulcer that occurs due to lack of oxygen and nutrient supply due to continuous pressure being applied to a specific part of the body. Pressure ulcers are more likely to occur in patients who lie in a hospital bed for a long time or sit for long periods of time, but ordinary people who spend most of their time sitting are also likely to develop bedsores if their skin becomes weak. If a patient develops bedsores, the treatment period may be extended, and a lot of cost and time are required to treat bedsores, including the risk of systemic infection due to complications.

Pressure ulcers can be classified into stages 1 to 4 depending on the degree of progression. In the first stage, persistent redness and inflammation of the epidermis occurs in normal skin. In the second stage, superficial ulcers occur where only the dermal layer is destroyed, and blisters appear. In the third stage, the entire layer, including the skin and subcutaneous fat, has been destroyed, but an ulcer occurs that does not extend beyond the fascia. In the fourth stage, the entire thickness is destroyed and even the muscles, ligaments, and skeleton are damaged. Recovery is possible through non-surgical treatment for the first to second stages, but for the third to fourth stages, surgical treatment is necessary, and the time and cost required for this rapidly increases.

In relation to this, as the number of people over 65 years old in Korea increases, the number of people over 65 years old hospitalized in nursing hospitals is expected to increase, and even among people over 65 years of age who are not at risk of developing bedsores, falls-related diseases account for a high proportion of the prevalence of geriatric syndromes. If an accident such as a fracture occurs, the likelihood of developing bedsores may increase due to restricted mobility. As the number of people over the age of 65 increases over time, the number of patients developing pressure ulcers also increases, so preventing pressure ulcers in advance is most important. Despite the importance of bedsore disease as the number of patients with bedsores increases, related research and support are lacking due to a lack of awareness and interest in the social situation.

In an attempt to prevent and treat the occurrence of bedsores, for example, Patent Document 1 discloses a shift-floating bedsore prevention cushion. The bedsore prevention cushion of Patent Document 1 is made of a fabric that is easily ventilated and includes a cushion with an accommodation space inside. The interior of this cushion includes a plurality of air cell units and an air driving unit that supplies air to the air cell unit, and a plurality of pressure sensor units are provided on one side of the cushion to detect the pressure of the area in contact with the user's body. The control unit controls the air drive unit based on the pressure value detected by the pressure sensor unit. If the pressure value detected by one of the plurality of pressure sensor units exceeds the reference value, more air is injected to increase the pressure of the corresponding air cell unit.

Korean Patent Publication No. 10-2020-0009491 (“Shift-supporting bedsore prevention stone”, MyR Co., Ltd.)

As seen above, the conventional technology for preventing bedsores was limited to detecting pressure from the body and injecting air into areas where pressure above a threshold value was detected to reduce the pressure on the body. However, such prior art only partially alleviated the degree of body pressure through mechanical structural changes, but the effect of actively preventing pressure ulcers could not be expected. Continuous data monitoring of the person receiving care was not possible, and an application for managing them was not possible. There was a problem where linking was impossible.

More specifically, the prior art only provides a shift flotation function for pressure distribution, so even considering the user's physical characteristics, etc., there is a limit to preventing bedsores with the shift flotation function alone, and as shift flotation progresses, the user feels a sense of heterogeneity and discomfort. I feel like this.

Additionally, in the prior art, there is no monitoring function for preventing bedsores. There is no monitoring function for basic user information (seating time, body pressure distribution, etc.) essential for preventing pressure ulcers, and it cannot be linked to personal smart devices to monitor sitting status immediately and conveniently. Therefore, a notification function that allows self-prevention of bedsores (position and posture change) using monitored information cannot be implemented.

Furthermore, the prior art does not provide awareness of body data storage and linkage services. There is no function to store and accumulate basic data related to body pressure status and distribution, and therefore, it is not possible to use the accumulated data to provide preventive public institution health care health-related services.

The purpose of the present invention to solve the above-mentioned problems is to prevent bedsores by providing an infrared lighting device and a pressure sensor to use a material that is pressure-dispersing, breathable, hygroscopic, and easy to dry, and to use a pressure sensor in a body holding part with a shape design. It provides a smart healthcare system that allows users or caregivers to monitor body pressure data collected through a dedicated application connected via Bluetooth and control devices including infrared lighting devices.

However, the problem to be solved by the present invention is not limited to this, and may be expanded in various ways without departing from the spirit and scope of the present invention.

In order to achieve the above-described object, a smart healthcare system for preventing bedsores including an infrared lighting device and a pressure sensor according to an embodiment of the present invention includes a body maintenance unit that maintains the subject's body; and a control device, wherein the body holding unit includes: a sensor unit for measuring the degree of pressure applied by the subject to the body holding unit; and an infrared illumination unit configured to irradiate infrared rays to at least a portion of the subject's body; It includes, and the control device may include a processor configured to collect data on the degree of pressure measured by the sensor unit and control the infrared radiation form of the infrared illumination unit.

According to one aspect, the body holding part includes a honeycomb assembly in which a plurality of honeycomb cells are combined, each honeycomb cell having an open upper surface and a light emitting device receptacle formed inside each honeycomb cell, the upper surface and a first inclined surface and a second inclined surface in contact with each other, and the first inclined surface and the second inclined surface may have ventilation and light-emitting holes communicating from the light-emitting device receptacle.

According to one aspect, each honeycomb cell is formed of a material containing transparent silicone and a gel elastomer, and the body holding portion is a honeycomb combination formed based on at least one of viscose rayon, polyester, hemp fiber, and coconut fiber. Additional covers may be included.

According to one aspect, the sensor unit may be provided with an infrared lighting device and a pressure sensor, including a plurality of pressure sensors that measure the intensity of pressure for each of a plurality of measurement points disposed on the body holder.

According to one aspect, the pressure sensor may include a Force Sensing Resistor (FSR) that determines the intensity of pressure by using a change in resistance value according to a change in at least one of physical force or weight.

According to one aspect, the infrared lighting unit may include a plurality of infrared light-emitting devices disposed in the light-emitting device receptacle.

According to one aspect, the processor may control, among the plurality of infrared light emitting devices, infrared light emitting devices in an area where the pressure measured by the pressure sensor is greater than or equal to a predetermined threshold to emit infrared light.

According to one aspect, the processor may differently control wavelengths of infrared rays emitted by the infrared light-emitting devices based on information about the subject's skin condition maintained by the body maintenance unit.

According to one aspect, the infrared lighting unit may be formed of a flexible printed circuit board (FPCB) and may be combined with the honeycomb cell assembly.

According to one aspect, the control device further includes an output unit and a communication unit, and the processor displays pressure distribution information for the honeycomb cell combination based on the output unit, and displays pressure distribution information on the honeycomb cell combination based on the communication unit. Pressure distribution history information can be controlled to be transmitted to a public database server.

The disclosed technology can have the following effects. However, since it does not mean that a specific embodiment must include all of the following effects or only the following effects, the scope of rights of the disclosed technology should not be understood as being limited thereby.

According to the smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to an embodiment of the present invention described above, by providing an infrared lighting device and a pressure sensor to prevent bedsores, pressure distribution, breathability, hygroscopicity and The user or caregiver can monitor body pressure data collected through a pressure sensor in the body maintenance unit, which uses materials that are easy to dry and has a shape design, through a dedicated application connected via Bluetooth, and can control a device that includes an infrared lighting device. You can.

Therefore, by emitting ultraviolet light at appropriate locations based on the pressure measurement results, it is possible to achieve a high pressure ulcer prevention effect while preventing the user from feeling foreignness or discomfort.

In addition, by monitoring basic user information (seating time, body pressure distribution, etc.) essential for bedsore prevention and linking with smart devices, seating status can be monitored immediately and conveniently. Through this, information can be conveyed so that patients themselves or their caregivers can perform pressure ulcer prevention (position and position changes).

Furthermore, basic data related to body pressure status and distribution obtained based on pressure sensors can be stored and accumulated, and based on this, public institution health care health-related services for the prevention of pressure ulcers can be provided.

Figure 1 is a conceptual diagram of a smart healthcare system for preventing bedsores including an infrared lighting device and a pressure sensor according to an embodiment of the present invention.
FIG. 2 is a block diagram showing the schematic configuration of a smart healthcare system for preventing bedsores including the infrared lighting device and pressure sensor of FIG. 1.
FIG. 3 is a schematic perspective view of a honeycomb cell assembly provided in the body holding portion of FIG. 2.
Figure 4 is a schematic perspective view of the honeycomb cell of Figure 3;
Fig. 5 is a front view of the honeycomb cell of Fig. 3;
Figure 6 shows an exemplary configuration of the body support portion of Figure 2;
Figure 7 is a conceptual diagram of wireless communication control for the infrared lighting unit.
Figure 8 shows an exemplary UI of a smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to an embodiment of the present invention.
Figure 9 shows an exemplary material for the honeycomb cell joint of Figure 2;
Figure 10 shows an exemplary material for a cover of the body support portion of Figure 2;
Figure 11 shows the results of an experiment on the light source penetration power of individual materials for the infrared lighting unit according to embodiments of the present invention.
Figure 12 shows the results of an experiment on the light penetration power of a composite material light source for an infrared lighting unit according to embodiments of the present invention.
Figure 13 is a block diagram showing the configuration of a computing system that can be used to control the system according to an embodiment of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be referred to as a second component, and similarly, the second component may be referred to as a first component without departing from the scope of the present invention. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present application. No.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. In order to facilitate overall understanding when describing the present invention, the same reference numerals are used for the same components in the drawings, and duplicate descriptions for the same components are omitted.

Conventional technologies for preventing bedsores only partially alleviated the degree of body pressure through mechanical structural changes, but the effect of actively preventing bedsores could not be expected. Continuous data monitoring of the person receiving care was not possible, and an application to manage them was not possible. There was a problem that it was impossible to link with .

The present invention is intended to solve this problem, and is equipped with an infrared lighting device and a pressure sensor to prevent bedsores, and uses a material with pressure distribution, breathability, hygroscopicity, and easy drying, and a pressure sensor in the body holding part with a shape design. The user or caregiver can monitor body pressure data collected through a dedicated application connected via Bluetooth and control devices including infrared lighting devices.

Therefore, by emitting ultraviolet light at appropriate locations based on the pressure measurement results, it is possible to achieve a high pressure ulcer prevention effect while preventing the user from feeling foreignness or discomfort.

In addition, by monitoring basic user information (seating time, body pressure distribution, etc.) essential for bedsore prevention and linking with smart devices, seating status can be monitored immediately and conveniently. Through this, information can be conveyed so that patients themselves or their caregivers can perform pressure ulcer prevention (position and posture changes).

Furthermore, basic data related to body pressure status and distribution obtained based on pressure sensors can be stored and accumulated, and based on this, public institution health care health-related services for the prevention of pressure ulcers can be provided.

Figure 1 is a conceptual diagram of a smart healthcare system for preventing bedsores including an infrared lighting device and a pressure sensor according to an embodiment of the present invention. As shown in FIG. 1, a smart health care system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to an embodiment of the present invention is designed to provide care to patients, such as cushions, mats, and cushions. It includes a body maintenance unit 100 for maintaining the body of the body, a management device 200 for monitoring and managing the body maintenance unit, and a public database server 300 for supporting public services based on information from the body maintenance unit. can do.

The body holder 100 may measure information about the pressure generated by the subject held by the body holder 100 and transmit the pressure measurement information to the management device 200. The management device 200 can monitor such pressure measurement information and display it so that users of the management device 200, such as the patient or caregiver, can intuitively check the pressure distribution. Additionally, the management device 200 may be configured to appropriately control infrared lighting generated by the body holding unit 100 to prevent bedsores.

Meanwhile, the management device 200 can transmit body data to the public database server 300 and receive personalized health services from the public database server 300. In other words, the management device 200 stores and accumulates basic data related to body pressure status and distribution, and transmits and utilizes the accumulated data to the public database server 300 to provide preventive health management from public institutions. Health-related services can be provided. Public health services that can utilize the collected data can be determined, and services can be provided through related organizations that can be linked to CBR (Community Based Rehabilitation). In addition, it is possible to identify the main tasks of each related organization and share information. Here, the legal scope of consent for use of personal information and information sharing measures can be considered.

FIG. 2 is a block diagram showing the schematic configuration of a smart healthcare system for preventing bedsores including the infrared lighting device and pressure sensor of FIG. 1. Hereinafter, with reference to FIG. 2, a smart healthcare system for preventing bedsores including an infrared lighting device and a pressure sensor according to an embodiment of the present invention will be described in more detail.

As shown in Figures 1 and 2, a smart health care system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to an embodiment of the present invention includes a body maintenance unit 100, a control device 200, and It may include a public database server 300.

The body maintenance unit 100 may refer to a component that maintains the subject's body. For example, a body support unit in the form of a cushion may be implemented, and there may be any type of body support unit that is in contact with the body of the person receiving care, such as a mattress, back cushion, chair, or bed.

According to embodiments of the present invention, the body holding part 100 may be designed using a material and shape design that is pressure-dispersing, breathable, hygroscopic, and easy to dry. For example, using software such as SolidWorks, a cushion-like structure with pressure distribution, breathability, hygroscopicity, and easy drying can be modeled, designed, and then produced by manufacturing a mold. For testing, you can use the ZEUS equipment utilization service, which allows you to perform tests on materials such as pressure distribution, breathability, hygroscopicity, and easy drying. Additionally, when selecting a material, a material that shows an appropriate level of transmittance or higher can be determined after performing a transmission test of infrared LED light. Additionally, the body maintenance unit 100 can be configured to meet KS performance standards.

According to one aspect, the body holding part 100 may be configured to include a honeycomb assembly 150 in which a plurality of honeycomb cells 160 are combined. In relation to this, FIG. 3 is a schematic perspective view of the honeycomb cell assembly provided in the body holding portion of FIG. 2, FIG. 4 is a schematic perspective view of the honeycomb cell of FIG. 3, and FIG. 5 is a front view of the honeycomb cell of FIG. 3. Hereinafter, the honeycomb assembly 150 and each honeycomb cell 160 provided in the body support unit 100 according to an embodiment of the present invention will be described in more detail with reference to FIGS. 3 to 5.

As shown in FIG. 3, the honeycomb cell assembly 150 provided on the body holding part 100 may be formed by combining a plurality of honeycomb cells 160. For example, the first to fourth honeycomb cells, such as the first honeycomb cell 160-1, the second honeycomb cell 160-2, the third honeycomb cell 160-3, and the fourth honeycomb cell 160-4. Honeycomb cells may be configured with their sides joined to each other. In addition, a plurality of honeycomb cells, such as the first honeycomb cell 160-1, the fifth honeycomb cell 160-5 to the nth honeycomb cell 160-n, may be configured with front and rear surfaces coupled to each other. . Accordingly, a plurality of honeycomb cells may be combined in, for example, an m*n array to form the honeycomb cell assembly 150. These honeycomb cells are configured to properly distribute the pressure exerted by the subject, have breathability, and are hygroscopic and easy to dry.

4 and 5, each honeycomb cell 160 will be looked at in more detail. As shown in FIGS. 4 and 5, each honeycomb cell 160 may have a light emitting device receptacle 161 whose upper surface is open and formed inside each honeycomb cell. An infrared light emitting device 131 constituting the infrared lighting unit 130 may be disposed inside the light emitting device receptacle 161.

Meanwhile, the honeycomb cell 160 may include a first inclined surface 162 and a second inclined surface 163 that contact the upper surface of the honeycomb cell. The inclination of the first inclined surface 162 and the second inclined surface 163 with respect to the upper surface may be determined differently depending on the design. 4 and 5, the first inclined surface 162 and the second inclined surface 163 may be provided with ventilation and light emitting holes 163 and 165 communicating from the light emitting device receptacle 161. That is, the first inclined surface 162 is provided with a first ventilation and light emitting hole 163 communicating from the light emitting device receptacle 161, and the second inclined surface 164 is provided with a second ventilation communicating from the light emitting device receptacle 161. and a light emitting hole 165 may be provided.

By providing such ventilation and light-emitting holes (163, 165), the breathability of the honeycomb cell assembly 150 in which the honeycomb cells (!60) are combined can be enhanced. In addition, infrared rays from the infrared light emitting device 131 can be irradiated not only toward the front of the honeycomb cell 160 but also in diagonal directions on both sides. Therefore, it can have the advantageous effect of simultaneously increasing the infrared irradiation area while achieving pressure distribution and breathability of the honeycomb cell structure.

Although not shown in FIGS. 4 and 5, an air injection nozzle may be provided inside each light emitting device receptacle 161. By allowing one or more air injection nozzles to receive air from one air pressure generator and spray air, it is possible to generate air flow in a plurality of areas of the honeycomb cell assembly 150 while using fewer air pressure generators, thereby generating air flow through infrared irradiation. In addition to preventing bedsores, the effect of preventing bedsores by spraying air pressure can be achieved at the same time.

As described above, the honeycomb cell can be constructed as a material for pressure distribution, breathability, hygroscopicity, and easy drying. According to one aspect of the present invention, each honeycomb cell 160 may be formed from a material containing transparent silicone and gel elastomer. Figure 9 shows an exemplary material for the honeycomb cell assembly of Figure 2; As shown in (a) of FIG. 9, the honeycomb cell may be formed containing transparent silicon, and as shown in (b) of FIG. 9, the honeycomb cell may be formed containing a gel elastomer. Additionally, a honeycomb cell can be formed by mixing transparent silicone and gel elastomer.

Meanwhile, the body holding part 100 may further include a honeycomb composite cover formed based on at least one of viscose rayon, polyester, hemp fiber, and coconut fiber. That is, for example, a honeycomb cell assembly made of transparent silicon or the like may be provided with a cover for contact with the human body and allow the subject to sit on the cover. Figure 10 shows an exemplary material for a cover of the body support portion of Figure 2; As shown in FIG. 10 (a), the cover of the body holding portion 100 may be formed of viscose rayon, which has excellent hygroscopicity and breathability, or, as shown in FIG. 10 (b), it may be made of viscose rayon that is resistant to color transfer and discoloration. It may be made of polyester, as shown in (c) of Figure 10, hemp fiber with excellent hygroscopicity and drying properties, or (d) coconut fiber with excellent hygroscopicity and breathability. Alternatively, it may be formed as a fabric formed by a combination of at least one or more of viscose rayon, polyester, hemp fiber, and coconut fiber.

Referring again to FIG. 2, as shown in FIG. 2, the body maintenance unit 100 may include a control unit 110, a sensor unit 120, an infrared illumination unit 130, and a communication unit 140. Figure 6 shows an exemplary configuration of the body support portion of Figure 2; As shown in FIG. 6, according to one aspect of the present invention, the sensor unit 120 and the infrared illumination unit 130 may be disposed inside the honeycomb cell assembly 150 and are located on the top of the honeycomb cell assembly 150. The cover 170 may be disposed to contact the subject's body. However, note that the configuration of the body maintenance unit 100 as shown in FIG. 6 is merely an example and the configuration of the body maintenance unit 100 according to embodiments of the present invention is not limited thereto.

Hereinafter, each unit provided in the body holding unit 100 will be described in more detail.

First, the control unit 110 receives a control command from the control device 200 through, for example, the communication unit 140 and uses the sensor unit 120 and/or the infrared lighting unit 130 included in the body maintenance unit 100. It can be configured to control the operation of.

Here, according to one aspect of the present invention, the control unit 110 provided in the body maintenance unit 100 is manufactured as a circuit capable of LED module, FSR sensor control, and Bluetooth communication in consideration of certification such as EMI/EMC, CE, etc. It can be. For this purpose, software such as kernel and device driver for the control unit can be developed. In addition, the control unit can have a built-in algorithm for controlling LEDs, extracting data obtained through the FSR sensor, and performing Bluetooth communication. Here, the control unit may be implemented so that it can be combined with a component for which material selection and shape design for the structure have been completed, such as a honeycomb cell assembly. By manufacturing a circuit that can control LED and FSR sensors and combining this control circuit with a honeycomb cell structure, it is possible to implement a smart healthcare system that allows the patient to sit.

The sensor unit 120 as shown in FIG. 2 is configured to measure the degree of pressure applied by the subject to the body holder. More specifically, in order to monitor the subject's change in posture, posture maintenance time, sitting time, or body pressure distribution, the pressure at a plurality of points that are pressed when the subject is seated is measured and the pressure intensity at each of the plurality of points is measured. Information on pressure holding time can be obtained.

According to one aspect of the embodiments of the present invention, the sensor unit 120 as described above includes a plurality of pressure sensors that measure the intensity of pressure for each of a plurality of measurement points disposed on the body holding unit 100. can do. Therefore, the degree of pressurization of the subject can be measured at each of a plurality of positions. Such information is displayed in different colors depending on the size of the pressure, for example, as shown in the management device 200 of FIG. 1, so that managers, such as the subject or caregiver, can intuitively identify the location of high pressure. can do. Therefore, measures can be taken to effectively prevent bedsores, such as changing position or posture.

According to one aspect, the pressure sensor may include a Force Sensing Resistor (FSR) that determines the intensity of pressure by using a change in resistance value according to a change in at least one of physical force or weight. For example, sensor products such as MarbleDex may be applied to the FSR sensor. A test device can be manufactured to measure body pressure using an FSR sensor, and the test device can be used to measure body pressure data according to posture and then create a database. In addition, pressure change data according to continuous pressure can be measured using a test device and converted into a database. Such body pressure data D/B can be used to improve the completeness of a smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to embodiments of the present invention.

Referring again to FIG. 2, the infrared illumination unit 130 is configured to irradiate infrared rays to at least a portion of the subject's body. According to embodiments of the present invention, the risk of developing bedsores can be maximized by irradiating the subject's body with infrared rays of a wavelength effective in preventing bedsores.

According to one aspect, the infrared lighting unit 130 may include an infrared LED module that emits light in a wavelength band that is effective in preventing bedsores (blood circulation, pain relief, etc.). Additionally, such an infrared LED module can be configured to emit light of a wavelength that can penetrate deeply into the body. Additionally, for example, it may be configured to irradiate infrared rays in various wavelength bands (eg, 830 nm, 850 nm, etc.) depending on the patient's skin condition. Here, when implementing the infrared lighting unit 130, a flexible LED module can be used so as not to impede the function of the body support unit 100 for pressure distribution.

Regarding infrared LEDs, infrared LED modules that have high transmittance to the human body and are effective in preventing bedsores can be applied. For example, near-infrared rays in the 800 to 900 nm wavelength band, which have a transmittance 12 times that of far-infrared rays, may be used. The high transmittance allows light to penetrate into subcutaneous fat at a depth of 4 to 6 mm within the skin, thereby promoting blood circulation and relieving pain through heat generated within the skin. By checking the thermal energy penetration intensity according to the wavelength band, wavelength bands known to be harmful to the human body can be excluded.

In relation to this, infrared rays in the 830nm wavelength band, which have a high skin transmittance, are primarily considered, and can be configured to irradiate infrared rays of various wavelengths, such as 850nm, to the subject using infrared rays in similar wavelength bands according to the various types of skin conditions of the patient. In relation to this, an experiment was conducted on the penetration power of each material of infrared rays with a predetermined wavelength length. Figure 11 shows the results of an experiment on the light source penetration power of individual materials for an infrared lighting unit according to embodiments of the present invention, and Figure 12 shows the results of an experiment on the light source penetration power of a composite material for an infrared lighting unit according to embodiments of the present invention.

As shown in Figure 11, for example, looking at the process and results of the light source penetration test for each material of near-infrared rays with a wavelength of 850 nm, the material to be tested is placed on the upper part of the stage and infrared rays with a wavelength of 850 nm are irradiated from the bottom, and the material is The transmitted infrared rays were detected through a detector and the results were displayed in a graph. As shown in Figure 11, it can be confirmed that the expected transmittance is achieved for various materials of various articles such as T-Shirt (Rayon), Cotton, Banner (Polyester), and Umbrella (Polyester). In addition, as shown in Figure 12, as a result of examining the change in infrared transmittance of 870 nm for various composite materials such as Rayon+Pants, Cotton+Pants, Banner+Pants, and Vinyl+Pants as cushion materials and clothing materials, Rayon+ The result was Pants: 30% < Cotton+Pants: 33.2% < Banner+Pants: 39% < Vinyl+Pants: 47%. Based on these experimental results, the wavelength of infrared rays that can achieve a transmittance above a predetermined threshold and achieve the effect of preventing bedsores on the body can be determined.

As previously observed, the infrared lighting unit 130 may include a plurality of infrared light-emitting devices 131 disposed in the light-emitting device receptacle 161. In other words, by placing the infrared LED inside the light emitting device receptacle 161, it is possible to prevent impairment of wearing comfort for the subject and also have a positive effect on dispersing pressure and ensuring breathability.

Meanwhile, according to one aspect of the present invention, the infrared lighting unit 130 may control, among the plurality of infrared light emitting devices, the infrared light emitting devices in the area where the pressure measured by the pressure sensor is greater than or equal to a predetermined threshold to emit infrared light. You can. That is, by generating infrared rays only for the corresponding positions of the body and the body holder 100 that are subjected to pressure above a certain level, power consumption can be reduced and the impact on the body caused by unnecessary infrared radiation can be reduced. Furthermore, when an air nozzle is provided in the light emitting device receptacle 161 according to one aspect of the present invention, the air nozzle is controlled to be opened only at locations receiving pressure above a certain level, thereby minimizing the sense of foreignness felt by the body. . According to one aspect, the infrared light-emitting device operates or the air nozzle is opened at a location where a pressure greater than the first threshold is detected, and the infrared light-emitting device is activated at a location where a pressure greater than the second threshold value is detected. The device may be configured to irradiate infrared rays and open the air nozzle simultaneously.

Additionally, according to one aspect, the wavelength of infrared light emitted by the infrared light-emitting devices may be controlled differently based on information about the subject's skin condition maintained by the body maintenance unit. Information on skin conditions may be provided, for example, in the control device 200. This may be directly input through an input unit, or information on a predetermined skin condition level may be retrieved from a database through user information login. .

Meanwhile, as previously discussed, according to one aspect of the present invention, the infrared illumination unit may be formed of a flexible printed circuit board (FPCB) and may be combined with a honeycomb cell assembly. Accordingly, it is possible to prevent properties such as pressure distribution and breathability of the body holding portion 100 to the subject from being impaired.

Referring again to FIG. 1 or FIG. 2 , the body holder 100 may be controlled by a control device 200 that transmits and receives information via wireless communication, for example. The control device 200 may include one or more of a processor 210, a communication unit 220, a memory 230, and an output unit 240, as shown in FIG. 2 . Control device 200 may include, but is not limited to, a personal portable device such as a smart phone or tablet PC.

The processor 210 may be configured to collect data on the degree of pressure measured by the sensor unit 120 and control the infrared radiation form of the infrared lighting unit 130. The processor 210 may be provided to control the operation of the control device 200. As seen above, the processor controls, among the plurality of infrared light-emitting devices, the infrared light-emitting devices in an area where the pressure measured by the pressure sensor is more than a predetermined threshold to emit infrared rays, or controls the infrared light-emitting devices to emit infrared rays, or The wavelength of infrared rays emitted by the infrared light-emitting devices can be controlled differently based on information about the subject's skin condition.

Additionally, the control device 200 may include an output unit 240 as shown in FIG. 2, and the processor 210 displays pressure distribution information for the honeycomb cell combination based on the output unit 240. It can be configured to do so. The output unit 240 may be configured to perform at least one of visual output and auditory output. In addition, as shown in FIG. 2, the control device 200 is provided with a communication unit 220, and the processor 210 stores pressure distribution history information for the honeycomb cell combination based on the communication unit 220 in a public database server. It can be controlled to transmit to (300). Additionally, the processor 210 may be configured to transmit and receive information with the body maintenance unit 100 based on the communication unit 220.

By controlling and monitoring the body support unit 100 by the control device 200, it is possible for the user or caregiver to monitor body pressure data based on a dedicated application connected through wireless communication such as Bluetooth, for example. , control of the body holding unit 100 is also possible.

Figure 8 shows an exemplary UI of a smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor according to an embodiment of the present invention. As shown in FIG. 8, for example, it is possible to implement monitoring, notification, and LED control functions using Bluetooth. Based on the control device 200, monitoring of user information (body pressure status, distribution, etc.) can be performed by the user himself or through a caregiver. As shown in (b) of FIG. 8, a notification function can be implemented to induce pressure ulcer prevention (position and posture change) by utilizing the monitored information. That is, the processor 210 may display the longest pressure duration (e.g., 3 hours and 15 minutes), e.g., in response to determining that the longest pressure duration has exceeded a threshold time, e.g., 2 hours. An alarm can be generated to indicate replacement.

In addition, as shown in (c) and (d) of Figures 8, LED control functions such as turning on and off the LEDs mounted on the device, dimming, and setting an operation timer can be implemented. The patient or an administrator such as a caregiver can check the pressure distribution information displayed through the output unit provided in the control device 200. Based on this information, the infrared lighting unit 130 provided in the body maintenance unit 100 can be configured to operate by activating the “LED on” button. As shown in (d) of FIG. 8, information about the operating time can be displayed through the display unit, and it can be set to operate for a predetermined time, or the administrator can stop the LED operation by referring to the operating time. . As shown in (a) of FIG. 8, alarms and notification messages about device usage history can be generated, and consultation at public health centers can be directly connected through linkage with public institutions (e.g., public health centers). there is.

In other words, it is possible to implement a device-specific application using Bluetooth, and body pressure distribution monitoring and device control (LED operation) can be performed through such an application. When a specific situation (for example, continuous high pressure exists) occurs, it can be implemented to perform text notification or push notification. User convenience can be increased by providing an intuitive UI using colors and numbers.

Meanwhile, based on data transmission and reception between the control device 200 and the public database server 300, it is possible to provide public institution health management health-related services. In relation to storing and utilizing body data, for example, the control device 200 may collect and store basic data related to body pressure state and distribution. Using stored data, it is possible to provide health services in connection with public sector entities such as public health center mobile healthcare applications. It is also possible to link to a regional integrated management system through public institution health management and health linkage service CBR. CBR can refer to public health center-centered rehabilitation services that utilize the human and material resources of the community. This can be carried out as a national community-centered rehabilitation project using the health and medical big data open system Open API.

Referring again to FIG. 2, the control device 200 controls each component of the body maintenance unit 100 by transmitting and receiving information with the communication unit 140 of the body maintenance unit 100 using the communication unit 220. Data can be collected. In relation to this, control technology for LED devices using short-range wireless communication such as Zigbee, Bluetooth, Wi-Fi, or NFC may be applied to the control unit 110 of the body maintenance unit 100. For example, for LED devices mounted on an FPCB, individual control of multiple lights (4 x 16) can be performed using Zigbee communication. The three-color control technology applies wireless communication and 8 bit (64 steps) dimming control technology, and this dimming control technology can be used to control each infrared light-emitting device of the infrared lighting unit 130 according to an embodiment of the present invention. You can.

Based on this, infrared LED module remote control wireless communication technology can be implemented. Figure 7 is a conceptual diagram of wireless communication control for the infrared lighting unit. As shown in FIG. 7, a control unit 620 may be provided to perform wireless communication control for the infrared lighting unit, and may be configured to transmit and receive information through a wireless communication means such as, for example, Bluetooth 630. there is. The control unit 620 can control the infrared light emitting device 670 via the LED controller 660. The Bluetooth module 630, control unit 620, and LED controller 660 may be supplied with power from the power unit 610. Input via USB is also possible through the USB-TO-SERIAL port 640, and mode switching of the control unit 620 can be performed through the ON/OFF and I/O switch 650.

In other words, it is possible to design an LED module based on a driving circuit capable of dimming control with a built-in wireless communication function. It is possible to develop a reliable module by controlling the flicker with fully DC operation through circuit optimization. Remote wireless control can be composed of a control circuit with an output port for product on/off control and brightness control. Output control is a PWM pulse control method that controls lighting with only the required amount of energy, and brightness is proportional to the amount of current. Considering the characteristics of the LED device that emits, it can be controlled in a constant current type.

Meanwhile, in FIGS. 1 and 2, the control device 200 exists as a separate device from the body holder 100 and transmits and receives information through the communication unit. However, the control device 200 according to the present invention Note that it is not limited to such a separate device, and may exist as a control unit that is coupled to the body holding portion 100 and exists as an integral piece. Communication between communication units is not limited to wireless communication and should be understood to include all wired and wireless information transmission and reception methods, such as serial communication or information transmission and reception in a combined circuit.

Figure 13 is a block diagram showing the configuration of a computing system that can be used to control the system according to an embodiment of the present invention. Referring to FIG. 13 , computing system 800 may include flash storage 810, processor 820, RAM 830, input/output device 840, and power device 850. Additionally, flash storage 810 may include a memory device 811 and a memory controller 812. Meanwhile, although not shown in FIG. 13, the computing system 800 may further include ports capable of communicating with a video card, sound card, memory card, USB device, etc., or with other electronic devices. .

The computing system 800 may be implemented as a personal computer or as a portable electronic device such as a laptop computer, a mobile phone, a personal digital assistant (PDA), and a camera.

Processor 820 may perform certain calculations or tasks. Depending on the embodiment, the processor 820 may be a microprocessor or a central processing unit (CPU). The processor 820 communicates with the RAM 830, the input/output device 840, and the flash storage 810 through a bus 860 such as an address bus, a control bus, and a data bus. Communication can be performed.

According to one embodiment, processor 820 may also be connected to an expansion bus, such as a Peripheral Component Interconnect (PCI) bus.

RAM 830 can store data necessary for operation of the computing system 800. For example, any type of random access memory is called RAM, including DRAM, Mobile DRAM, SRAM, PRAM, FRAM, MRAM, and RRAM. It can be used as (830).

The input/output device 840 may include input means such as a keyboard, keypad, mouse, etc., and output means such as a printer, display, etc. Power supply 850 may supply operating voltage necessary for operation of computing system 800.

The method according to the present invention described above can be implemented as computer-readable code on a computer-readable recording medium. Computer-readable recording media include all types of recording media storing data that can be deciphered by a computer system. For example, there may be read only memory (ROM), random access memory (RAM), magnetic tape, magnetic disk, flash memory, and optical data storage devices. Additionally, the computer-readable recording medium can be distributed to a computer system connected through a computer communication network, and stored and executed as a code that can be read in a distributed manner.

Although it has been described above with reference to the drawings and examples, it does not mean that the scope of protection of the present invention is limited by the drawings or examples, and those skilled in the art will recognize the present invention as set forth in the claims below. It will be understood that various modifications and changes can be made to the present invention without departing from its spirit and scope.

Specifically, the described features may be implemented within digital electronic circuitry, or computer hardware, firmware, or combinations thereof. The features may be executed in a computer program product embodied in storage, such as within a machine-readable storage device, for execution by a programmable processor. And the features may be performed by a programmable processor that executes a program of instructions to perform the functions of the described embodiments by operating on input data and producing output. The described features include at least one programmable processor, at least one input device, and at least one output device coupled to receive data and instructions from the data storage system and to transmit data and instructions to the data storage system. It can be executed within one or more computer programs that can be executed on a programmable system including. A computer program includes a set of instructions that can be used directly or indirectly within a computer to perform a specific operation with a predetermined result. A computer program is written in any form of a programming language, including compiled or interpreted languages, and includes modules, elements, subroutines, or other units suitable for use in other computer environments, or as independently operable programs. It can be used in any form.

Suitable processors for execution of a program of instructions include, for example, both general-purpose and special-purpose microprocessors, and either a single processor or multiple processors of other types of computers. Storage devices suitable for implementing computer program instructions and data embodying the described features also include, for example, semiconductor memory devices such as EPROM, EEPROM, and flash memory devices, magnetic memory devices such as internal hard disks and removable disks. It includes all types of non-volatile memory, including devices, magneto-optical disks, and CD-ROM and DVD-ROM disks. Processors and memory may be integrated within or added by application-specific integrated circuits (ASICs).

The present invention described above is explained based on a series of functional blocks, but is not limited to the above-described embodiments and the attached drawings, and various substitutions, modifications and changes are made without departing from the technical spirit of the present invention. It will be clear to those skilled in the art that this is possible.

The combination of the above-described embodiments is not limited to the above-described embodiments, and various types of combinations in addition to the above-described embodiments may be provided depending on implementation and/or need.

In the above-described embodiments, the methods are described based on flowcharts as a series of steps or blocks, but the present invention is not limited to the order of steps, and some steps may occur in a different order or simultaneously with other steps as described above. there is. Additionally, a person of ordinary skill in the art will recognize that the steps shown in the flowchart are not exclusive and that other steps may be included or one or more steps in the flowchart may be deleted without affecting the scope of the present invention. You will understand.

The above-described embodiments include examples of various aspects. Although it is not possible to describe all possible combinations for representing the various aspects, those skilled in the art will recognize that other combinations are possible. Accordingly, the present invention is intended to include all other substitutions, modifications and changes falling within the scope of the following claims.

100: body maintenance unit
110: control unit
120: sensor unit
130: infrared lighting unit
131: Infrared light emitting device
140: Department of Communications
150: Honeycomb cell combination
160: honeycomb cell
161: Light emitting device receptacle
162: first slope
163: First ventilation and light-emitting hole
164: second slope
165: Second ventilation and light-emitting hole
200: control device
210: processor
220: Department of Communications
230: memory
240: output unit

Claims (10)

A smart healthcare system for preventing bedsores including an infrared lighting device and a pressure sensor, the smart healthcare system comprising: a body maintenance unit that maintains the subject's body; and a control device,
The body maintenance unit,
a sensor unit for measuring the degree of pressure applied by the subject to the body holding unit; and
an infrared illumination unit configured to irradiate infrared rays to at least a portion of the subject's body; Including,
The control device is a smart device for preventing bedsores having an infrared lighting device and a pressure sensor, including a processor configured to collect data on the degree of pressure measured by the sensor unit and control the infrared radiation form of the infrared lighting unit. Healthcare system.
According to claim 1,
The body maintenance unit,
It includes a honeycomb assembly in which a plurality of honeycomb cells are combined,
Each honeycomb cell is,
An upper surface is open and has a light emitting device receptacle formed inside each honeycomb cell, and has a first inclined surface and a second inclined surface in contact with the upper surface, and the first inclined surface and the second inclined surface are ventilated communicating from the light emitting device receptacle. And having a light emitting hole,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 2,
Each honeycomb cell is,
Formed from a material containing transparent silicone and gel elastomer,
The body maintenance unit,
Further comprising a honeycomb composite cover formed based on at least one of viscose rayon, polyester, hemp fiber, and coconut fiber,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 2,
The sensor unit,
Comprising a plurality of pressure sensors that measure the intensity of pressure for each of a plurality of measurement points disposed on the body holding unit,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 4,
The pressure sensor is,
Including an FSR (Force Sensing Resistor) that determines the intensity of pressure by using the change in resistance value according to a change in at least one of physical force or weight,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 4,
The infrared lighting unit,
comprising a plurality of infrared light emitting devices disposed in the light emitting device receptacle,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 6,
The processor,
Among the plurality of infrared light-emitting devices, controlling the infrared light-emitting devices in an area where the pressure measured by the pressure sensor is greater than a predetermined threshold to emit infrared light,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 6,
The processor,
Differently controlling the wavelengths of infrared rays emitted by the infrared light-emitting devices based on information about the subject's skin condition maintained by the body maintenance unit,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 2,
The infrared lighting unit,
Formed from a flexible printed circuit board (FPCB) and combined with the honeycomb cell assembly,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.
According to claim 1,
The control device further includes an output unit and a communication unit,
The processor,
Displays pressure distribution information for the honeycomb cell assembly based on the output unit,
Controlling to transmit pressure distribution history information for the honeycomb cell combination to a public database server based on the communication unit,
A smart healthcare system for preventing bedsores equipped with an infrared lighting device and a pressure sensor.

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