TWI752521B - Bed and method of preventing human body from generating decubitus and detecting human body leaving bed - Google Patents

Abstract

A bed and a method of preventing a human body from generating decubitus and detecting the human body leaving bed are provided. The mattress includes a bed body, a plurality of pressure sensing components, a gas conducting components, and a control component. The bed body includes a bed board and a mattress placed on the bed board. The mattress includes a plurality of gas bags. The pressure sensing components are disposed on the bed board. Each of the pressure sensing components is configured to sense a pressure applied by a patient lying on the bed body to generate a pressure value. The gas conducting component is communicated with the gas bags. The control component is configured to control the gas conducting component to inflate or deflate the gas bags and output detection information according to the pressure values.

Description

Beds and methods for preventing bedsores and detecting getting out of bed

The present invention relates to mattresses, in particular to a bed for preventing bedsores and detecting bed-leaving.

The disease of bedsore is difficult to cure, the patient is very painful, and the treatment cost is very high, which brings great difficulties to the patient's family members and nursing staff. Turn over every 2 hours. The workload of medical staff is very heavy, and they cannot monitor the cases all the time, especially at night when the nursing staff cannot rest. Furthermore, it may happen that inpatients leave their beds without permission and go missing.

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art to provide a bed for preventing decubitus ulcers and for detection of getting out of bed, comprising a bed body, a plurality of pressure sensing elements, a gas charging and discharging element and a control element. The bed body includes a bed board and a mattress. The mattress is placed on the bed. The mattress includes a plurality of first air bags and a plurality of second air bags. The plurality of first air bags communicate with each other. The plurality of second air bags communicate with each other. The plurality of first air bags and the plurality of second air bags are arranged in a staggered manner. A plurality of pressure sensing elements are arranged at different positions on the bed. The plurality of pressure sensing elements are configured to sense a plurality of pressure values at different sensing points, respectively. The gas inflation element communicates with the plurality of first air bags and the plurality of second air bags, and is configured to inflate or deflate the plurality of first air bags, or to inflate or deflate the plurality of second air bags. The control element is connected to each pressure sensing element and the gas charging and discharging element. The control element is configured to control the operation of each pressure sensing element, and to control the operation of the gas charging and discharging element according to a plurality of pressure values and output detection information.

In one embodiment, when the control element determines that the pressure value sensed by each pressure sensing element remains greater than a pressure threshold for a time exceeding a time threshold, the control element is inflated to be aligned with each pressure sensing element. The second air bag adjacent to the first air bag, or the first air bag adjacent to the aligned second air bag.

In one embodiment, the bed for preventing the human body from generating bedsores and detecting getting out of bed further includes a transmission element, connected to the control element, and configured to transmit the detection information generated by the control element to the electronic device.

In one embodiment, a plurality of pressure values of different sizes are marked with different colors, patterns, characters, numbers, symbols or combinations thereof on the application program installed in the electronic device.

In one embodiment, when the control element determines that the pressure value sensed by the pressure sensor provided at the bedside is greater than a pressure threshold, a detection message indicating that the patient is sitting at the bedside is output to the warning element to play.

In one embodiment, when the control element determines that the pressure values of all the pressure sensing elements are all zero, a detection message indicating that the patient leaves the hospital bed is output to the warning element to play.

In one embodiment, the bed for preventing the human body from generating bedsores and for detection of getting out of bed further comprises a relay and a solenoid valve. The control element controls the actuation of the solenoid valve by the relay to control the amount of air supplied to or lined up from each mattress by the air charging and discharging element.

In one embodiment, the control element is connected to the cloud server and configured to transmit the detection message to the cloud server.

In addition, the present invention provides a method for preventing the occurrence of bedsores in the human body and detection of getting out of bed, which is suitable for the bed for preventing decubitus ulcers in the human body and detecting getting out of bed as described in claim 1, and includes the following steps: different sensing on the bed body point, sense multiple pressure values; display multiple pressure values and the sensing points of each pressure value; determine whether the time for each pressure value to maintain greater than a first pressure threshold value exceeds a time threshold value, if not, return to The first step continuously senses a plurality of pressure values, and if so, controls the gas filling and discharging element to deflate or inflate the first air bag or the second air bag, and then executes the next step; judging whether each pressure value set at the bedside is greater than or equal to A second pressure threshold value, if not, go back to the first step to continuously sense multiple pressure values, if so, warn the patient to sit on the bedside; and determine whether the multiple pressure values are all zero, if not, return to The first step is to continuously sense multiple pressure values, and if so, alert the patient that the patient has left the bed.

In one embodiment, the method for preventing the occurrence of bedsores in the human body and detecting bed sores further comprises the following steps: on the application program, use different colors, patterns, characters, numbers, symbols or combinations thereof to mark different sizes of Multiple pressure values.

As described above, the present invention provides a bed and a method for preventing bedsores from occurring in the human body and detecting getting out of bed, which has the following advantages: 1. More effective use of medical human resources; 2. Can remotely observe the patient to know the situation in the hospital bed; 3. The operation can be adjusted according to the patient's condition; 4. It can popularize smart wards; 5. Hospital bed information and updates, master first-hand information; 6. Easy to install, uninstall and clean.

For further understanding of the features and technical content of the present invention, please refer to the following detailed descriptions and drawings related to the present invention, however, the drawings provided are only for reference and description, not for limiting the present invention.

The following are specific embodiments to illustrate the embodiments of the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the disclosed contents are not intended to limit the protection scope of the present invention. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items as the case may be.

Please refer to FIG. 1A and FIG. 1B , wherein FIG. 1A is a schematic diagram of a mattress for preventing bedsores and getting out of bed from a bed according to an embodiment of the present invention; FIG. 1B is an embodiment of the present invention with preventing bedsores and getting out of bed A schematic diagram of multiple pressure sensing elements arranged on the bed with the detection function.

As shown in FIG. 1A , the bed for preventing decubitus sores and for detection of getting out of bed according to an embodiment of the present invention may include a bed body 10 . The bed body 10 may include a bed board BD and a mattress GB. The mattress GB is placed on the bed board BD, and the patient is provided to lie on the mattress GB. The mattress GB may include a plurality of first air bags 1021 and a plurality of second air bags 1022 . The plurality of first air bags 1021 communicate with each other. The plurality of second air bags 1022 communicate with each other.

For example, the plurality of first air bags 1021 and the plurality of second air bags 1022 can be tubular bodies. The odd-numbered rows of the first air bags 1021 may be staggered with the even-numbered rows of the second air bags 1022 . In practice, the shape, size, quantity, arrangement position, arrangement, etc. of the first air bag 1021 and the second air bag 1022 can be adjusted according to actual application requirements, and the present invention is not limited to the examples of this embodiment.

As shown in FIG. 1B , a plurality of pressure sensing elements 20 are arranged at different positions on the bed board BD. For example, ten pieces of pressure sensing elements 20 are placed on the bed board BD, of which six pieces of pressure sensing elements 20 are placed on both sides of the shoulder blades, the back and the buttocks, respectively, and the remaining four pieces of pressure sensing elements 20 are placed on the side of the bed left and right. The pressure sensing elements 20 placed at the shoulder blades and the back are located under the second air bags 1022 in the even rows, and the pressure sensing elements 20 placed at the buttocks are under the first air bags 1021 in the odd rows.

Please refer to FIG. 2 , which is a schematic diagram of a plurality of elements of a bed for preventing decubitus sores and for detecting bed exits according to an embodiment of the present invention.

As shown in FIG. 2 , in addition to the above-mentioned bed body 10 and a plurality of pressure sensing elements 20 , the bed for preventing decubitus ulcers and for detection of getting out of bed in this embodiment may further include a gas charging and discharging element 30 , a control element 40 , and a transmission element 50 , the relay 60 , the solenoid valve 70 and the warning element 80 .

A plurality of pressure sensing elements 20 are disposed at different positions, and are configured to sense the pressure exerted by different body parts of the patient on the bed 10 to generate a plurality of pressure values respectively. It should be understood that the magnitude of the pressure value will vary with the patient's position, posture and weight.

The control element 40 is connected to the plurality of pressure sensing elements 20 . The control element 40 controls the operation of the plurality of pressure sensing elements 20 , and generates a driving control signal according to the plurality of pressure values sensed by the plurality of pressure sensing elements 20 respectively.

The transmission element 50 connects the control element 40 to the relay 60 . The relay 60 is connected to the gas charging and discharging element 30 . The gas charging and discharging element 30 can be, for example, an inflator or a pump, which can be communicated with the mattress GB of the bed body 10 through a pipeline. The control element 40 can transmit the driving control signal to the relay 60 through the transmission element 50 to activate the relay 60 and drive the gas charging and discharging element 30 to inflate the first air bag 1021 or the second air bag 1022 of the mattress GB, or to inflate the bed The gas of the first air bag 1021 or the second air bag 1022 of the pad GB is drawn out or exhausted (ie, deflated). The relay 60 can be turned off when it is not necessary to perform inflation and deflation.

The relay 60 is connected to the gas charging and discharging element 30 . The gas charging and discharging element 30 can be arranged in the pipeline between the relay 60 and the solenoid valve 70 . The solenoid valve 70 can be installed in this pipeline. The control element 40 can generate a flow control signal, which is transmitted to the solenoid valve 70 through the transmission element 50 to control the solenoid valve 70 to allow or prohibit the gas supplied by the gas charging and discharging element 30 to flow into the first air bag 1021 or the second air bag 1022, and The amount of gas flowing into or out of the first air bag 1021 or the second air bag 1022 per unit time is controlled, that is, the inflation speed or the deflation speed is controlled.

The control element 40 can be connected to an electronic device such as but not limited to a mobile phone, a laptop or a computer. An application program APP can be installed in the electronic device. The control element 40 can transmit the detection information to the electronic device held by the medical staff, family members or others through the transmission element 50, and display the detection information on the application program APP in the electronic device. The detection message may include a plurality of pressure values sensed by the plurality of pressure sensing elements 20 respectively, and a single-point pressure value that is too high and persists for too long, a warning message of sitting beside the bed or getting out of bed, and the like.

Additionally or alternatively, the control element 40 may be connected to a cloud server Sever or other network platforms. The control element 40 can transmit the detection information to the cloud server Sever storage through the transmission element 50 . If necessary, medical staff, family members or others can obtain detection information from the cloud server Sever through their electronic devices.

Additionally or alternatively, the control element 40 may be connected to a warning element 80 . For example, the warning element 80 is a buzzer, such as installed at the head of the bed or the side of the bed, which is only exemplified here, but the invention is not limited thereto. The control element 40 can generate a detection signal according to a plurality of pressure values sensed by the plurality of pressure sensing elements 20 respectively, and transmit the detection signal to the warning element 80 through the transmission element 50 . The warning element 80 can play a detection message, for example, when the pressure value is higher than a pressure threshold value (and the maintenance time is higher than a time threshold value), a warning voice is issued to warn the medical staff or family members of the patient's condition.

Please refer to FIG. 3 , FIG. 4A , FIG. 4B , and FIG. 4C , wherein FIG. 3 is a schematic diagram of displaying the bed number of the bed for preventing bedsores and getting out of bed detection according to an embodiment of the present invention; FIG. 4A is the present invention A first sensing schematic diagram of multiple pressure sensors of a bed for preventing human body from developing bedsores and for detecting getting out of bed; FIG. 4B is a plurality of pressure sensors for preventing human body from developing bedsores and detecting getting out of bed according to an embodiment of the present invention. A second sensing schematic diagram of the detector; FIG. 4C is a third sensing schematic diagram of a plurality of pressure sensors for preventing the human body from generating bedsores and detecting bed sores according to an embodiment of the present invention.

As shown in FIG. 3 , the application program APP can display the bed numbers of multiple beds in a hospital, clinic or other space for selection, for example, select bed 101 in FIGS. 4A to 4C . Each bed adopts the bed of the present invention for preventing bedsores from being caused by the human body and for detecting bed leaving.

As shown in FIG. 4A to FIG. 4C , the image of the selected bed 101 can be displayed on the application APP, such as the real image captured by the image capture device, or the real image generated by the application APP according to the real state of the bed. corresponding virtual image. In the present embodiment, for the convenience of display, a plurality of dot patterns MK with different densities are used on the image of the bed to indicate that the plurality of pressure sensing elements 20 are disposed at different positions on the bed, so as to separate the pressure sensing elements 20 at different sensing points. The size of the sensed pressure values (and can indicate the sensing position/sensing point) can also be represented by different colors/color blocks, shapes, other patterns, characters, numbers or combinations thereof, etc. pressure value.

As shown in FIG. 4A , when there is no patient on the bed, the application program APP displays that the pressure values sensed by the plurality of pressure sensing elements 20 are all zero. As shown in FIG. 4B , it is displayed on the application program APP that the pressure values sensed by the plurality of pressure sensing elements 20 as shown in FIG. 2 arranged in the middle lying position of the bed are the same and all rise above a threshold value, Indicates that the patient (flat) is lying on the bed. Compared with FIG. 4B , as shown in FIG. 4C , the application program APP displays that the pressure values sensed by the plurality of pressure sensing elements 20 disposed in the middle lying position of the bed are different, indicating that the patient's posture changes.

Please refer to FIG. 5A and FIG. 5B , wherein FIG. 5A is a schematic diagram of a plurality of pressure sensors of a bed for preventing bedsores and getting out of bed detecting that a patient is ready to get out of bed according to an embodiment of the present invention; FIG. 5B is a schematic diagram of the present invention A schematic diagram of a plurality of pressure sensors of the bed for preventing bedsores and bed-leaving detection according to an embodiment of the present invention detecting that the patient has left the bed and giving a warning.

As shown in FIG. 5A and FIG. 5B , the electronic device can be operated to control to turn on or off a bed exit detection switch displayed in the application program APP to instruct the control element 40 to control the pressure sensing element 20 to perform or stop performing pressure value detection.

When the pressure value sensed by the pressure sensing element 20 on the side of the bed as shown in FIG. 2 is greater than a first pressure threshold value (eg, zero value), and each pressure sensor located in the middle lying position When the pressure value of the measuring element 20 is less than a second pressure threshold value (same or different from the first pressure threshold value), the control element 40 as shown in FIG. 2 determines that the patient is sitting beside the bed. In this case, the control element 40 shown in FIG. 2 can transmit a detection message through the transmission element 50 (such as wireless transmission via Wifi) to the application program APP in the electronic device and display it, so as to warn the nursing care as shown in FIG. 5A . Stand, the patient may be ready to get out of bed.

Furthermore, when the pressure values of all the pressure sensing elements 20 change from non-zero values to zero values, the control element 40 determines that the patient has left the hospital bed accordingly. In this case, as shown in FIG. 5B , the detection message generated by the control element 40 can be displayed on the application program APP to warn the patient in the nursing station that the patient has run away, and hurry up to chase.

Please refer to FIG. 6 , which is a flow chart of the steps of a method for preventing bedsores and detecting getting out of bed according to an embodiment of the present invention. As shown in FIG. 6 , the method for preventing human body from developing bedsores and detecting getting out of bed according to the embodiment of the present invention may include the following steps S101 - S113 , which can be performed by the bed for preventing human body from developing bedsores and detecting getting out of bed as shown in FIG. 2 . It should be understood that the present invention is not limited to the content and sequence of steps exemplified in this embodiment, and can be adjusted according to application requirements in practice.

In step S101, a plurality of pressure values are respectively sensed using a plurality of pressure sensing elements 20 disposed at different positions/sensing points of the bed board BD.

In step S103, the control module 40 is used to control the transmission module 50 to transmit the sensed pressure value and the position of the sensing point to the electronic device for display, such as display on the display interface of an application program APP or other display device.

In step S105, the control module 40 is used to determine whether the pressure value of any one or more sensing points at the middle lying position of the bed board BD is continuously greater than a pressure threshold value (eg, zero value) for a time greater than a time threshold value ( e.g. two hours). If not, go back to step S101 to continuously sense and update the pressure value. If yes, go to step S107.

In step S107, the control module 40 is used to determine that the time for the patient's body parts to be fixed at the same position (eg, the first air bag 1021 ) has reached a time threshold, and the gas charging and discharging element 30 is controlled to the adjacent tubes (eg, the first air bag 1021 ). The second air bag 1022) is inflated, and/or the position where pressure is applied to the patient (eg, the first air bag 1021) is deflated, so as to change the pressure on this body part and promote blood circulation.

In step S109, as described in the embodiments of FIGS. 5A and 5B, the control module 40 is used to determine whether the patient has left the bed according to the pressure values sensed by the pressure sensing elements 20 at the sensing points respectively. Or sit by the bed. If not, go back to step S101 to continuously sense and update the pressure value. If yes, go to step S111.

In step S111 , the control module 40 is used to output a detection message instructing the patient to leave the bed or sit beside the bed to an electronic device (such as but not limited to a mobile phone) held by family members or other persons for reminding.

In step S113, the control module 40 is used to output a detection message indicating that the patient leaves the bed or sits beside the bed to the electronic device of the nursing station for warning. In this way, before patients with dementia and lower limb mobility problems may fall out of bed, an alarm can be issued and the nursing station notified in time, so that the nursing staff can prevent it in time, and it can also prevent the patient from running out of the hospital bed when the medical staff does not pay attention. Accident.

[Advantageous effects of the embodiment]

One of the beneficial effects of the present invention is that the bed and the method for preventing bedsores from occurring in the human body and for detecting getting out of bed provided by the present invention have the following advantages: 1. More effective use of medical human resources; 2. Can remotely observe the patient to know the situation in the hospital bed; 3. The operation can be adjusted according to the patient's condition; 4. It can popularize smart wards; 5. Hospital bed information and updates, master first-hand information; 6. Easy to install, uninstall and clean.

The contents disclosed above are only preferred feasible embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

10: bed body BD: bed board GB: Mattress 1021: First Airbag 1022: Second Airbag 20: Pressure sensing element 30: Gas charging and discharging components 40: Control elements 50: Transmission element 60: Relay 70: Solenoid valve 80: Warning element Sever: cloud server APP: Application MK: Dot pattern S101~S113: Steps

FIG. 1A is a schematic diagram of placing a mattress on a bed board for preventing bedsores from occurring in the human body and detecting bed leaving according to an embodiment of the present invention.

FIG. 1B is a schematic diagram of a plurality of pressure sensing elements disposed on a bed with functions of preventing bedsores and getting out of bed according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a plurality of elements of a bed for preventing bedsores and detecting bed exits according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of displaying the bed number of the bed for preventing bedsores and getting out of bed for detection in an application according to an embodiment of the present invention.

FIG. 4A is a first sensing schematic diagram of a plurality of pressure sensors of a bed for preventing bedsores and detecting getting out of bed according to an embodiment of the present invention.

4B is a second sensing schematic diagram of a plurality of pressure sensors of a bed for preventing bedsores and detecting getting out of bed according to an embodiment of the present invention.

4C is a third sensing schematic diagram of a plurality of pressure sensors of a bed for preventing bedsores and detecting getting out of bed according to an embodiment of the present invention.

FIG. 5A is a schematic diagram of a plurality of pressure sensors of a bed for preventing the occurrence of bedsores in the human body and for detecting getting out of bed according to an embodiment of the present invention when a patient is ready to get out of bed and is warned by a plurality of pressure sensors.

5B is a schematic diagram of a plurality of pressure sensors of the bed for preventing the occurrence of bedsores by the human body and detecting the bed leaving the bed according to the embodiment of the present invention, which is a schematic diagram of detecting that the patient has left the bed and giving a warning.

FIG. 6 is a flow chart of steps of a method for preventing bedsores from occurring in a human body and detecting getting out of bed according to an embodiment of the present invention.

10: bed body 20: Pressure sensing element 30: Gas charging and discharging components 40: Control elements 50: Transmission element 60: Relay 70: Solenoid valve 80: Warning element Sever: cloud server APP: Application

Claims (8)

A bed for preventing bedsores and getting out of bed, comprising: a bed body, including a bed board and a mattress, the mattress is placed on the bed board, the mattress includes a plurality of first air bags and a plurality of second air bags Air bags, the plurality of first air bags communicate with each other, the plurality of second air bags communicate with each other, the plurality of first air bags and the plurality of second air bags are arranged in a staggered manner; a plurality of pressure sensing elements, divided into It is arranged at different positions on the bed, and is configured to sense a plurality of pressure values at different sensing points respectively; a gas charging and discharging element is connected to the plurality of first air bags and the plurality of second air bags, configured to inflate or deflate the plurality of first air bags, or to inflate or deflate the plurality of second air bags; and a control element, connected to each of the pressure sensing element and the gas inflation and deflation element, configured to Control the operation of each of the pressure sensing elements, and control the operation of the gas charging and discharging element according to the plurality of pressure values and output a detection message; wherein the control element determines the plurality of sensing elements lying in the middle of the bed board respectively. When each of the plurality of pressure values sensed by the plurality of pressure sensors at the point continues for a time greater than a pressure threshold value and exceeds a time threshold value, the control element controls the gas charging and discharging element to be inflated and each of the The second air bag adjacent to the first air bag arranged in alignment with the pressure sensing element is inflated, or the first air bag adjacent to the second air bag arranged in alignment with each of the pressure sensing elements is inflated; wherein The control element is connected to an electronic device, and an application program is installed in the electronic device, and the application program generates a corresponding virtual image according to a real image of the bed captured by an image capture device to be displayed on the application program , the application program marks the plurality of pressure sensing elements disposed at different positions on the bed body with a plurality of dot patterns on the virtual image of the bed body, and according to the pressure sensors sensed by each pressure sensor The obtained pressure value is used to determine the density and color of a plurality of dots in each of the dot patterns; Wherein, it is displayed on the application that the pressure values sensed by the pressure sensing elements disposed in the middle lying position of the bed board are the same and all rise to higher than a threshold value, indicating that the patient is lying on his back. hospital bed. The bed for preventing decubitus ulcers and for detecting bed-leaving according to claim 1, wherein the control element determines that the pressure value sensed by each of the pressure sensing elements remains greater than another pressure threshold for a time exceeding another time threshold control the gas charging and discharging element to inflate the second air bag adjacent to the first air bag aligned with each of the pressure sensing elements, or the second air bag adjacent to the second air bag aligned with the pressure sensing element. An air bag. The bed for preventing decubitus sores and for detecting getting out of bed as claimed in claim 1 further comprises a transmission element connected to the control element and configured to transmit the detection information generated by the control element to the electronic device. The bed for preventing decubitus sores and for detecting bed-leaving according to claim 3, wherein the application program installed in the electronic device is marked with different colors, patterns, characters, numbers, symbols or combinations thereof to indicate the different sizes of the bed. Multiple pressure values. The bed for preventing decubitus ulcers and for detecting getting out of bed according to claim 1, wherein the control element outputs an indication when the pressure value sensed by the pressure sensor located at the bedside is greater than another pressure threshold value. The detection message of the patient sitting beside the bed is played to a warning element. The bed for preventing decubitus sores and for detection of getting out of bed according to claim 1, wherein when the control element determines that the pressure values of all the pressure sensing elements are zero, it outputs a signal indicating that the patient leaves the bed. The detection message is played to a warning element. The bed for preventing decubitus ulcers and for detecting bed-leaving according to claim 1, further comprises a relay and a solenoid valve, the control element controls the driving of the solenoid valve by the relay, so as to control the supply of the gas charging and discharging element to each The amount of air in the mattress or the amount of air lined up from each of the mattresses. The bed for preventing bedsores from occurring in the human body and for detecting getting out of bed according to claim 1, wherein the control element is connected to a cloud server, and is configured to transmit the detection information to the cloud server.

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