WO2020045760A1 - Fauteuil roulant médical intelligent et système de surveillance - Google Patents

Fauteuil roulant médical intelligent et système de surveillance Download PDF

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Publication number
WO2020045760A1
WO2020045760A1 PCT/KR2018/016126 KR2018016126W WO2020045760A1 WO 2020045760 A1 WO2020045760 A1 WO 2020045760A1 KR 2018016126 W KR2018016126 W KR 2018016126W WO 2020045760 A1 WO2020045760 A1 WO 2020045760A1
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WO
WIPO (PCT)
Prior art keywords
wheelchair
unit
seat
signal
patient
Prior art date
Application number
PCT/KR2018/016126
Other languages
English (en)
Korean (ko)
Inventor
김성우
원영준
Original Assignee
가톨릭관동대학교산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 가톨릭관동대학교산학협력단 filed Critical 가톨릭관동대학교산학협력단
Publication of WO2020045760A1 publication Critical patent/WO2020045760A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B50/10—Furniture specially adapted for surgical or diagnostic appliances or instruments
    • A61B50/13—Trolleys, e.g. carts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/44—General characteristics of devices characterised by sensor means for weight

Definitions

  • the present invention relates to a medical smart wheelchair and a monitoring system, and more particularly, to a wheelchair and a monitoring system for managing the same by measuring the pressure distribution of a patient sitting in a wheelchair to check a patient's condition and improve patient safety.
  • Wheelchairs can be used for patients with poor mobility. Particularly for patients admitted to the hospital, the wheelchair may be the patient's primary means of transportation. Therefore, the path of movement of the wheelchair in the hospital may be of interest to the manager, including the doctor or nurse in the hospital. Thus, there may be a need for monitoring of wheelchairs.
  • a patient using a wheelchair may vary according to time, and even a patient may change a patient's condition.
  • the shape of the seat which is primarily subject to the patient's load, can affect the patient's treatment and health. Therefore, there may be a need for identifying the patient and changing the shape of the sheet according to the identified patient's condition.
  • the technical problem to be achieved by the present invention is to provide a wheelchair having a seat having a variety of shapes according to the state of the patient.
  • Another technical problem of the present invention is to provide a monitoring system for monitoring a wheelchair.
  • the present invention the frame; A first moving unit connected to a lower portion of the frame and having a wheel that can be rolled with respect to the ground; A seat assembly mounted to the frame; A locking unit installed in the frame and coupled to the wheel to suppress rolling of the wheel; And a first control unit electrically connected to the seat assembly and the locking unit, wherein the seat assembly comprises: a seat base having a plate shape; And a sheet weight sensor unit coupled to an upper surface of the seat base to form a layer, and having a plurality of weight sensors spaced apart from each other to sense a weight of a user sitting on the sheet assembly. It is possible to provide a smart wheelchair that obtains weight distribution information from a weight sensor unit and operates the locking unit according to the weight distribution information.
  • the smart wheelchair further comprises a scaffolding unit installed on the frame to support the foot of the user, the scaffolding unit, the scaffolding body forming a skeleton of the scaffolding unit ; And a scaffold weight sensor unit disposed on an upper surface of the scaffold body and having a plurality of spaced apart weight sensors that sense pressure applied to the scaffold body, wherein the first control unit includes the scaffold weight sensor unit and the sheet.
  • the weight distribution information may be obtained from a weight sensor unit, and the locking unit may be operated according to the weight distribution information.
  • the seat base includes: a seat posture driving part having a plate shape and providing pressure upwards at a plurality of points; And a seat segment coupled to an upper surface of the seat attitude driver, the seat segment having a variable shape by the seat attitude driver, wherein the first controller is configured to form the seat segment according to the weight distribution information.
  • the drive can be operated.
  • the seat weight sensor unit may generate a first wheelchair signal including the weight distribution information and transmit the generated first wheelchair signal to the first controller.
  • the smart wheelchair further comprises a first identification unit, electrically connected to the first control unit, for obtaining biometric information of the user, wherein the first identification unit comprises: A fifth wheelchair signal including the obtained biometric information may be generated and transmitted to the first controller.
  • the smart wheelchair further includes a first location information unit electrically connected to the first control unit and obtaining location information of the wheelchair, wherein the first location information is provided.
  • the unit may generate a seventh wheelchair signal including the obtained location information and transmit the generated seventh wheelchair signal to the first controller.
  • the smart wheelchair further comprises a first communication unit electrically connected to the first control unit and capable of communicating with an external device, wherein the first communication unit comprises the first communication unit.
  • the eighth wheelchair signal may be transmitted to the first controller, and the first controller may transmit a ninth wheelchair signal to the first communication unit.
  • the first control unit generates the ninth wheelchair signal based on at least one of the first wheelchair signal, the fifth wheelchair signal, and the seventh wheelchair signal.
  • the ninth wheelchair signal may include information about a state of the wheelchair.
  • the present invention provides a system for communicating with the wheelchair and monitoring the wheelchair, comprising: a database unit for storing data; A second controller for transmitting and receiving data with the database unit; And a second communication unit electrically connected to the second control unit and communicating with an external device, wherein the second control unit transmits information included in the eighth wheelchair signal to the wheelchair. Can provide.
  • the database unit comprises: a patient ID database storing data related to identification of a patient using the hospital in a hospital where the wheelchair is used; A history database for storing medical history data of the patient; And a map database for storing data related to the map information of the hospital, wherein the second controller acquires the location information of the wheelchair obtained by the first location information unit and map information extracted from the map database. By comparing the position information of the wheelchair with the, the position of the wheelchair can be tracked.
  • the second control unit may suppress the movement of the wheelchair by operating the locking unit when a situation in which the wheelchair enters a dangerous area occurs.
  • the seat base includes: a seat posture driving part having a plate shape and providing pressure upwards at a plurality of points; And a seat segment coupled to an upper surface of the seat attitude driver, the seat segment having a variable shape by the seat attitude driver, wherein the first controller is configured to form the seat segment according to the weight distribution information.
  • the driving unit is activated, and the second control unit extracts the seat attitude data regarding the shape of the seat segment from the ninth wheelchair signal and transmits the seat attitude data to the wheelchair, and the eighth wheelchair signal includes the seat attitude data.
  • the first controller may operate the seat attitude driver to form a shape of the seat segment according to the seat attitude data.
  • the database unit further includes a seat posture database for storing the seat posture data
  • the second controller includes the presence or absence of previously stored seat posture data in the seat posture database. If the pre-stored seat posture data exists, the seat posture data may be extracted based on the medical history data and the pre-stored seat posture data.
  • the second communication unit is in communication with a smart bed located in a hospital where the wheelchair is used and containing a patient using the hospital, wherein the second control unit May obtain second pressure distribution information applied from the patient from the smart bed and operate the smart bed according to the second pressure distribution information.
  • the second communication unit is a smart cart located in a hospital where the wheelchair is used and containing a drug and a treatment device necessary for the treatment of a patient using the hospital.
  • the second control unit may obtain information on the medicine and treatment apparatus related to the patient from the smart cart and monitor the smart cart.
  • a wheelchair according to an embodiment of the present invention may include a seat having various shapes according to a patient's condition.
  • Monitoring system can monitor the wheelchair.
  • 1 to 3 is a view showing a smart wheelchair according to an embodiment of the present invention.
  • FIG. 4 is a view showing a connection state with an external device of a smart wheelchair according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of a smart wheelchair according to an embodiment of the present invention.
  • FIG. 6 is a block diagram of a server according to an embodiment of the present invention.
  • FIG. 7 and 8 are views showing a smart bed according to an embodiment of the present invention.
  • FIGS. 9 and 10 are diagrams illustrating a smart cart according to an embodiment of the present invention.
  • 11 to 13 are diagrams illustrating a smart wheelchair according to another embodiment of the present invention.
  • FIG. 14 is a flowchart illustrating a method of operating a locking unit according to an embodiment of the present invention.
  • 15 is a flowchart illustrating a seat assembly posture adjusting method according to an embodiment of the present invention.
  • 16 is a flowchart illustrating a method of extracting seat posture data according to an embodiment of the present invention.
  • a wheelchair 100 may be referred to as a “smart wheelchair” or a “wheel chair”.
  • the wheelchair 100 may be used by a patient (or user).
  • a wheelchair 100 according to an embodiment of the present invention may include a frame 110.
  • the frame 110 may form a skeleton of the wheelchair 100.
  • the frame 110 may have rigidity.
  • the wheelchair 100 may include a drive wheel 120 and a steering wheel 130.
  • the drive wheel 120 may be referred to as a “drive wheel”.
  • the drive wheel 120 may be coupled to the frame 110.
  • the drive wheel 120 may rotate on the frame 110 and roll about the ground.
  • the drive wheel 120 may be located at both sides of the frame 110.
  • the drive wheel 120 may include a first drive wheel 121 and a second drive wheel 123.
  • the first drive wheel 121 may be located opposite the second drive wheel 123.
  • the drive wheel 120 may include a rail that may be provided with a driving force by a user's hand.
  • the steering wheel 130 may be located in front of the drive wheel 121.
  • the steering wheel 130 may be coupled to the frame 110.
  • the steering wheel 130 can be rolled with respect to the ground.
  • the steering wheel 130 may determine the direction in which the wheelchair 100 proceeds.
  • the steering wheel 130 may include a first steering wheel 131 and a second steering wheel 133.
  • the wheelchair 100 may include a locking unit 140.
  • the locking unit 140 may be coupled to the frame 110.
  • the locking unit 140 may be coupled to the steering wheel 130 or / and the drive wheel 120.
  • the locking unit 140 may be coupled to the drive wheel 120.
  • the locking unit 140 may suppress rolling of the drive wheel 120. That is, when the locking unit 140 is coupled to the drive wheel 120, the locking unit 140 may suppress the movement of the wheelchair 100.
  • the locking unit 140 may be separated from the drive wheel 120. When the locking unit 140 is separated from the drive wheel 120, the movement of the wheelchair 100 may not be suppressed from the locking unit 140.
  • Manipulation of the locking unit 140 may be by manual (manual).
  • the patient (user) may directly manipulate the locking unit 140 to change the state of the locking unit 140.
  • the operation of the locking unit 140 can be by a mechanical apparatus.
  • the state of the locking unit 140 may be changed by a controller.
  • the state of the locking unit 140 may include a first state in which the locking unit 140 is coupled to the drive wheel 120, and a second state in which the locking unit 140 is separated from the drive wheel 120. have.
  • the locking unit 140 may be provided in plurality.
  • the locking unit 140 may include a first locking unit 141 and a second locking unit 143.
  • the first locking unit 141 may be coupled to or separated from the first drive wheel 121.
  • the second locking unit 143 may be coupled to or separated from the second drive wheel 123.
  • the wheelchair 100 may include a seat assembly 200.
  • the seat assembly 200 may be installed or seated (mounted) on the frame 110.
  • the seat assembly 200 may be positioned between the first drive wheel 121 and the second drive wheel 123.
  • the seat assembly 200 may be a part in which the patient rests on the wheelchair 100.
  • the top surface of the seat assembly 200 may contact the buttocks of the patient.
  • the seat assembly 200 may receive pressure (load) from the patient.
  • the seat assembly 200 may detect a distribution of pressure received from the patient.
  • the wheelchair 100 may include a backrest 114.
  • the backrest 114 may be coupled to the frame 110.
  • the backrest 114 may face the patient's back.
  • the backrest 114 may have a shape extending upward from the seat assembly 200.
  • the wheelchair 100 may include a push bar 117.
  • the push bar 117 may be coupled to the frame 110.
  • the push bar 117 may be integrally formed with the frame 110.
  • the push bar 117 may be a portion where the patient's guardian holds the wheelchair 100.
  • the wheelchair 100 may include an armrest 115.
  • the armrest 115 may be connected to the frame 110.
  • the armrest 115 may be a part where the arm of the patient is seated.
  • the wheelchair 100 may include a scaffolding unit 150.
  • the footrest unit 150 may support the foot of the patient in a state where the patient (user) sits on the wheelchair 100.
  • the scaffolding unit 150 may be provided in plurality.
  • the scaffolding unit 150 may include a first scaffolding unit 150a and a second scaffolding unit 150b.
  • the first scaffolding unit 150a may be adjacent to the first steering wheel 131.
  • the second scaffolding unit 150b may be adjacent to the second steering wheel 133.
  • the seat assembly 200 is a diagram illustrating a seat assembly 200 according to an embodiment of the present invention.
  • the seat assembly 200 may include a seat base 210.
  • the seat base 210 may be connected to or coupled to the frame 110 (see FIG. 1).
  • the seat base 210 may include a seat attitude driver 220 and a seat segment 230.
  • the seat posture driver 220 may be connected to or coupled to the frame 110 (see FIG. 1).
  • the seat segment 230 may be coupled to an upper surface of the seat posture driver 220.
  • the sheet base 210 may have a plate shape as a whole.
  • the seat posture driving unit 220 may have a plate shape as a whole.
  • the seat segment 230 may be provided in plurality.
  • the sheet segment 230 may include first to ninth sheet segments 231 to 239.
  • the first sheet segment 231 may be located at the center of the sheet segment 230.
  • the second sheet segment 232 may be located in front of the first sheet segment 231.
  • the third sheet segment 233 may be located behind the first sheet segment 231.
  • the fourth sheet segment 234 may be located to the right of the first sheet segment 231.
  • the fifth sheet segment 235 may be located on the left side of the first sheet segment 231.
  • the sixth sheet segment 236 may be disposed at a corner positioned between the second sheet segment 232 and the fourth sheet segment 234.
  • the seventh sheet segment 237 may be disposed at a corner located between the third sheet segment 233 and the fourth sheet segment 234.
  • the eighth sheet segment 238 may be disposed at a corner located between the third sheet segment 233 and the fifth sheet segment 235.
  • the ninth sheet segment 239 may be disposed at a corner located between the fifth sheet segment 235 and the second sheet segment 232.
  • the sheet segment 230 may mean at least one of the first to ninth sheet segments 231 to 239.
  • Seat segment 230 may be parallel to a horizontal plane.
  • the sheet segment 230 may be parallel to the XY plane.
  • the shape of the seat segment 230 may vary.
  • the seat segment 230 may form an inclination with respect to the seat attitude driver 220.
  • the sheet segment 230 may be bendable.
  • the sheet segment 230 may have a curved shape.
  • the patient (user) sitting in the wheelchair 100 may receive normal force from the seat assembly 200. That is, in response to the load applied by the patient (user) to the seat assembly 200, the seat assembly 200 may provide the patient (user) with a force (vertical drag or bearing force) supporting the patient (user).
  • the patient (user) may be provided with different forces depending on the shape of the seat segment 230.
  • the shape of the seat segment 230 may be formed in consideration of the state of the patient (user). For example, if a pressure sore occurs in the right hip of the patient (user), the shape of the seat segment 230 may be shaped so that less support is applied to the right hip of the patient (user).
  • the sheet segment 230 may have a shape inclined to the left.
  • the seat segment 230 may form a groove so that less pressure is applied to the patient's velvet portion.
  • the sheet segment 230 may have various types of patterns toward the top. The pattern in which the sheet segment 230 is formed upward may include unevenness.
  • the seat posture driving unit 220 may support the seat segment 230.
  • the seat attitude driver 220 may change the shape of the seat segment 230.
  • the seat posture driving unit 220 may include a plurality of motors.
  • the seat posture driver 220 may apply pressure to the seat segment 230 located above.
  • the seat posture driver 220 may apply various pressures to the seat segment 230 at various points. Therefore, the seat segment 230 may have various postures with respect to the seat posture driving unit 220 or may have various shapes.
  • the sheet assembly 200 may include a sheet weight sensor unit 240.
  • the sheet weight sensor unit 240 may be located on an upper surface of the sheet base 210.
  • the sheet weight sensor unit 240 may include a plurality of weight sensors.
  • the weight sensor may be a load cell.
  • the shape of the sheet weight sensor unit 240 may be concave toward the front.
  • the shape of the seat weight sensor unit 240 may correspond to the contact surface between the patient (user) and the seat assembly 200 when the patient (user) sits in the wheelchair 100 (see FIG. 1).
  • the sheet weight sensor unit 240 may measure a load applied to the sheet assembly 200 in the vertical direction.
  • the vertical direction of the sheet assembly 200 may be parallel with the Z axis, for example.
  • the seat weight sensor unit 240 may measure a load of a patient (user) located in the seat assembly 200.
  • the plurality of weight sensors included in the sheet weight sensor unit 240 may obtain distribution information of loads applied to the sheet assembly 200. For example, when the patient (user) sitting on the wheelchair 100 (refer to FIG. 1) leans to the right side, the load detected by the weight sensor located on the right side of the seat assembly 200 is left of the seat assembly 200. It can be greater than the load detected by the weight sensor located in the part
  • the seat assembly 200 may include a seat pressure sensor unit 250.
  • the sheet pressure sensor unit 250 may acquire distribution information of the pressure applied to the sheet assembly 200.
  • the information obtained by the seat pressure sensor unit 250 may be used to correct the information obtained by the seat weight sensor unit 240.
  • the posture of the patient (user) sitting on the wheelchair 100 may be estimated. For example, when the pressure (or load) applied to the rear portion of the seat assembly 200 decreases, a posture in which the patient (user) attempts to leave the wheelchair 100 (see FIG. 1) may be estimated. If the patient (user) wants to disengage (disconnect) from the wheelchair 100 (see FIG. 1), the wheelchair 100 (see FIG. 1) may be pushed back to increase the risk of an accident. When the pressure (or load) applied to the rear portion of the seat assembly 200 decreases, the locking unit 140 (see FIG. 1) may be operated to suppress movement of the wheelchair 100 (see FIG. 1).
  • the seat assembly 200 may include a seat cushion 260.
  • the seat cushion 260 may be located on an upper surface of the seat pressure sensor unit 250.
  • the seat cushion 260 may form an upper surface of the seat assembly 200.
  • the scaffolding unit 150 may include a scaffold body 151.
  • the scaffold body 151 may form a skeleton of the scaffolding unit 150.
  • the scaffolding unit 150 may include a scaffolding weight sensor unit 153.
  • the scaffolding weight sensor unit 153 may include a plurality of pressure sensors. The scaffolding weight sensor unit 153 can measure the load applied to the scaffolding unit 150 and its distribution. When the patient (user) is seated in the wheelchair 100 (see FIG. 1), the patient's foot may be placed on the footrest unit 150.
  • the scaffolding unit 150 may include a scaffolding pressure sensor unit 155.
  • the scaffolding pressure sensor unit 155 can measure the pressure applied to the scaffolding unit 150 and its distribution.
  • the information obtained by the scaffolding pressure sensor unit 155 may be used to correct the information obtained by the scaffolding weight sensor unit 153.
  • the information obtained from the scaffold pressure sensor 155 and the scaffold weight sensor 153 may estimate a posture of the patient (user) who is seated in the wheelchair 100 (see FIG. 1). For example, when the weight applied to the scaffolding unit 150 decreases, a posture in which the patient (user) attempts to leave the wheelchair 100 (see FIG. 1) may be estimated. When the pressure (or load) applied to the rear portion of the seat assembly 200 (see FIG. 2) decreases and the weight applied to the scaffolding unit 150 decreases, the patient (user) is moved in the wheelchair 100 (see FIG. 1). The posture to escape can be estimated to a relatively high degree.
  • the scaffolding unit 150 may include a protective panel 157.
  • the protection panel 157 can form the upper surface of the scaffolding unit 150.
  • the protection panel 157 may be located on an upper surface of the scaffold pressure sensor unit 155.
  • the wheelchair 100 may be communicatively connected to the mobile terminal 700.
  • the wheelchair 100 may communicate with the mobile terminal 700 using a short range communication method.
  • the wheelchair 100 moves using, for example, at least one of Bluetooth, near field communication (NFC), radio frequency identification (RFID), Wi-Fi, WLAN, LTE, and beacons.
  • the mobile terminal 700 may be a smartphone.
  • the mobile terminal 700 may communicate with the wheelchair 100 by using a specific application.
  • the mobile terminal 700 may be connected to the wheelchair 100 by wire. When the mobile terminal 700 is connected to the wheelchair 100 by wire, the mobile terminal 700 may communicate with the wheelchair 100 by wire.
  • the wheelchair 100 may communicate with the server 400.
  • the server 400 may be located in a hospital.
  • the server 400 may be managed by a hospital administrator.
  • the wheelchair 100 may directly communicate with the server 400.
  • the wheelchair 100 may directly communicate with the server 400.
  • the wheelchair 100 may communicate directly with the server 400 using a short range communication method. An example of a short range communication method is as described above.
  • the wheelchair 100 may communicate with the server 400 through the mobile terminal 700.
  • the mobile terminal 700 may communicate with the server 400 using the communication network 800.
  • the wheelchair 100 may communicate with the server 400 through the mobile terminal 700.
  • the wheelchair 100 may indirectly communicate with the server 400.
  • the mobile terminal 700 may be controlled by a patient (user).
  • the server 400 may receive information from the wheelchair 100.
  • the information provided from the wheelchair 100 may be used by the server 400 to manage a history of a patient (user).
  • the wheelchair 100 may receive information from the server 400.
  • the information provided from the server 400 may be used to operate the seat assembly 200 (see FIG. 1) of the wheelchair 100.
  • the wheelchair 100 may communicate with the smart medical bed 500.
  • the smart medical bed 500 may be referred to as a “smart bed”.
  • the wheelchair 100 may communicate directly or indirectly with the smart bed 500.
  • the smart bed 500 may be located in a specific hospital.
  • the wheelchair 100 may communicate with the smart medical cart 600.
  • the smart medical cart 600 may be referred to as a "smart cart".
  • the wheelchair 100 may communicate with the smart cart 600 directly or indirectly.
  • the smart cart 600 may be located in a specific hospital.
  • the wheelchair 100 may include a seat controller 270.
  • the sheet controller 270 may be implemented using a computer and / or a PCB and / or an electronic device.
  • the sheet controller 270 may be located in the sheet assembly 200 (see FIGS. 1 and 2).
  • the sheet control unit 270 may be referred to as a “first control unit”.
  • the sheet controller 270 may refer to the first controller 310 (see FIG. 13).
  • the configuration of the seat weight sensor unit 240 and the configuration of the seat pressure sensor unit 250 may be as described with reference to FIG. 2.
  • the sheet weight sensor unit 240 may provide the sheet control unit 270 with the first sheet signal SS1.
  • the first sheet signal SS1 may include weight information and / or weight distribution information obtained by the sheet weight sensor unit 240.
  • the sheet pressure sensor unit 250 may provide the sheet control unit 270 with the second sheet signal SS2.
  • the second sheet signal SS2 may include pressure information and / or pressure distribution information acquired by the sheet pressure sensor unit 250.
  • the configuration of the scaffolding weight sensor unit 153 and the configuration of the scaffolding pressure sensor unit 155 may be as described in FIG. 3.
  • the scaffolding weight sensor unit 153 may provide the sheet control unit 270 with a third sheet signal SS3.
  • the third sheet signal SS3 may include information obtained by the scaffolding weight sensor 153.
  • the scaffolding pressure sensor unit 155 may provide a fourth sheet signal SS4 to the seat controller 270.
  • the fourth sheet signal SS4 may include information obtained by the scaffold pressure sensor unit 155.
  • the wheelchair 100 may include a seat communication unit 280.
  • the sheet communicator 280 may be located in the sheet assembly 200 (see FIGS. 1 and 2).
  • the sheet communication unit 280 may be referred to as a "first communication unit.”
  • the sheet communication unit 280 may be a first communication unit 330 (see FIG. 13).
  • the sheet communication unit 280 may communicate with an external device.
  • the seat communication unit 280 may include a server 400 (see FIG. 4), a smart bed 500 (see FIG. 4), a smart cart 600 (see FIG. 4), and a mobile terminal 700 (see FIG. 4). Communicate with at least one.
  • the sheet communication unit 280 may be electrically connected to the sheet control unit 270.
  • the sheet communication unit 280 may provide the sheet control unit 270 with the fifth sheet signal SS5.
  • the fifth seat signal SS5 may include information about the operation of the wheelchair 100.
  • the fifth seat signal SS5 may include information about the operation of the seat posture driver 220 and / or the operation of the locking unit 140.
  • the sheet controller 270 may generate the sixth sheet signal SS6 based on at least one of the first to fifth sheet signals SS1 to SS5.
  • the sixth sheet signal SS6 may include information about the shape of the sheet segment 230 (see FIG. 2).
  • the seat attitude driver 220 may receive the sixth sheet signal SS6.
  • the seat attitude driver 220 may form a shape of the seat segment 230 (refer to FIG. 2) corresponding to the sixth sheet signal SS6. have.
  • the sheet controller 270 may generate the seventh sheet signal SS7 based on at least one of the first to fifth sheet signals SS1 to SS5.
  • the seventh sheet signal SS7 may include information about the operation of the locking unit 140.
  • the sheet controller 270 may generate the eighth sheet signal SS8 based on at least one of the first to fifth sheet signals SS1 to SS5.
  • the eighth sheet signal SS8 may include information about the state of the seat assembly 200 (see FIGS. 1 and 2) and / or the state of the scaffolding unit 150 (see FIGS. 1 and 3).
  • the sheet communication unit 280 may transmit a signal including the information of the eighth sheet signal SS8 to an external device.
  • the server 400 (refer to FIG. 4) is provided from the seat communication unit 280, and the eighth sheet signal SS8 is in a state of the seat assembly 200 (refer to FIGS. 1 and 2) or / and the scaffolding unit 150 is provided. 1 and 3) can be received. Therefore, the person in charge of the hospital may monitor the state of the patient's wheelchair 100 through the server 400.
  • server 400 may include a database unit 410.
  • server 400 may be under management / supervision of a hospital or / and clinic.
  • server 400 may be managed by a facility or institution associated with a hospital.
  • the subject managing the server 400 may be referred to as a "server manager.”
  • the server administrator may be a hospital, for example.
  • the server 400 may construct a “patient monitoring system” using a wheelchair 100 (refer to FIGS. 1, 4 and 5).
  • the server 400 may include a database unit 410.
  • the database unit 410 may store data.
  • the database unit 410 may include a patient ID database 411.
  • the patient ID database 411 may store a list of patients managed by the server administrator.
  • the patient ID database 411 may store basic information of the patient managed by the server administrator. For example, the patient ID database 411 may store contents of a patient's name, address, age, gender, medical insurance, and the like, managed by the server administrator.
  • the database unit 410 may include a medical history database 413.
  • the history database 413 may include information on a disease history of a patient to be managed.
  • the medical history database 413 may store contents such as a history of a past disease and a treatment history of a managed patient.
  • the medical history database 413 may store contents of the current disease of the patient being managed and the treatment process.
  • the database unit 410 may include a seat attitude database 415.
  • the seat posture database 415 may store contents of a seat posture of a managed patient.
  • the seat posture of the managed patient may include information regarding the shape of the seat assembly 200 (see FIGS. 1 and 2) suitable for the patient when the patient is seated in the wheelchair 100 (see FIG. 1).
  • the database unit 410 may include a map database 417.
  • the map database 417 may store map information about a place where the wheelchair 100 (refer to FIG. 1) is located.
  • the place where the wheelchair 100 (see FIG. 1) is located may be, for example, a hospital where a patient is admitted or visited.
  • the server 400 may include a second control unit 420.
  • the second control unit 420 may transmit / receive information and / or signals with the database unit 410.
  • the second control unit 420 may receive the first server signal VS1 from the database unit 410.
  • the first server signal VS1 may include the content of data stored in the database unit 410.
  • the second control unit 420 may provide the second server signal VS2 to the database unit 410.
  • the second server signal VS2 may include content to be updated in the database unit 410.
  • the server 400 may include a second communication unit 430.
  • the second communication unit 430 may communicate with an external device.
  • the second communication unit 430 may include a wheelchair 100 (see FIG. 1), a smart bed 500 (see FIG. 4), a smart cart 600 (see FIG. 4), and a mobile terminal 700 (see FIG. 4). May communicate with at least one of
  • the smart bed 500 may include a bed frame 505 and a plate 520.
  • the bed frame 505 can support the plate 520.
  • the plate 520 may be coupled to an upper portion of the bed frame 505.
  • the patient may lie down or sit on the smart bed 500. Once the patient is in the smart bed 500, the plate 520 may support the patient.
  • the plate 520 may include a first plate 521, a second plate 523, and a third plate 525.
  • the second plate 523 may connect the first plate 521 and the third plate 525.
  • the second plate 523 may be located between the first plate 521 and the third plate 525.
  • the first plate 521 may be located above the second plate 523. The angle between the first plate 521 and the second plate 523 may be adjusted.
  • the third plate 525 may be located below the second plate 523. The angle between the third plate 525 and the second plate 523 can be adjusted. Accordingly, the shape of the plate 520 may be adjusted according to the condition of the patient. Information about the patient's condition may be provided to the smart bed 500 from the server 400 (see FIGS. 4 and 6). For example, the first plate 521 may be bent at a predetermined angle toward the lower panel 550 in accordance with a meal time of a patient located in the smart bed 500, so that the patient may have a good meal.
  • the smart bed 500 may include an upper panel 530 and a middle panel 540.
  • the upper panel 530 may be coupled to the first plate 521.
  • the upper panel 530 may include a first upper panel 531 and a second upper panel 533.
  • the first top panel 531 and the second top panel 533 may be located opposite to each other.
  • the upper panel 530 may form various angles with respect to the first plate 521.
  • the middle panel 540 may be coupled to the second plate 523.
  • the middle panel 540 may include a first middle panel 541 and a second middle panel 543.
  • the first middle panel 541 and the second middle panel 543 may be located opposite to each other.
  • the middle panel 540 may form various angles with respect to the second plate 523.
  • the smart bed 500 may include a lower panel 550.
  • the lower panel 550 may be coupled to the third plate 525.
  • the lower panel 550 may be positioned opposite to the second plate 523 with respect to the third plate 525.
  • the lower panel 550 may form various angles with respect to the third plate 525.
  • the angle formed by the upper panel 530 or the middle panel 540 or the lower panel 550 with respect to the plate 520 may be adjusted according to the condition of the patient.
  • Information about the patient's condition may be provided to the smart bed 500 from the server 400 (see FIGS. 4 and 6).
  • the first middle panel 541 faces downward in accordance with the treatment time of the patient using the smart bed 500, thereby facilitating the treatment of the patient.
  • the smart bed 500 may include a bed wheel 510.
  • the bed wheel 510 may be located under the bed frame 505.
  • the bed wheel 510 may be coupled to the bed frame 505.
  • the bed wheel 510 may roll.
  • Bed wheel 510 may be provided in plurality.
  • the bed wheel 510 may include a first bed wheel 511, a second bed wheel 512, a third bed wheel 513, and a fourth bed wheel 514.
  • the bed wheel 510 may include a fifth bed wheel (not shown) adjacent to the second top panel 533.
  • the smart bed 500 may include a third display 580.
  • the third display 580 may be located on the lower panel 550.
  • the third display 580 may display third content.
  • the third content may include information about the operation of the smart bed 500.
  • the patient (or guardian) and / or the doctor (or nurse) may grasp the patient's condition through the third display 580.
  • the smart bed 500 may include a third controller 571.
  • the third controller 571 may be implemented using a computer and / or a PCB and / or an electronic device.
  • the smart bed 500 may include a bed pressure sensor 561.
  • the bed pressure sensor unit 561 may be installed on the plate 520 (see FIG. 7).
  • the bed pressure sensor unit 561 may measure a pressure or / and a pressure distribution applied to the plate 520 (see FIG. 7).
  • the bed pressure sensor unit 561 may generate the first bed signal BS1 including information on the pressure or / and the pressure distribution applied to the plate 520 (see FIG. 7).
  • the first bed signal BS1 may be transmitted to the third controller 571.
  • the smart bed 500 may include a bed weight sensor unit 563.
  • the bed weight sensor unit 563 may be installed on the plate 520 (see FIG. 7).
  • the bed weight sensor unit 563 may measure the weight or / and the weight distribution applied to the plate 520 (see FIG. 7).
  • the bed weight sensor part 563 and the bed pressure sensor part 561 may form a layer.
  • the bed weight sensor unit 563 may generate the second bed signal BS2 including information on the weight or / and the weight distribution applied to the plate 520 (see FIG. 7).
  • the second bed signal BS2 may be transmitted to the third controller 571.
  • the smart bed 500 may include a third identification unit 565.
  • the third identification unit 565 may include at least one of the lower panel 550 (see FIG. 7), the plate 520 (see FIG. 7), the upper panel 530 (see FIG. 7), and the middle panel 540 (see FIG. 7). Can be combined into one.
  • the third identification unit 565 may biometricly recognize the patient using the smart bed 500.
  • the third identification unit 565 may include at least one of a fingerprint sensor, an iris recognition sensor, a face recognition sensor, and a vein recognition sensor.
  • the third identification unit 565 may obtain biometric information of the patient.
  • the third identification unit 565 can be used for stable or / and efficient management of the patient using the smart bed 500.
  • the third identification unit 565 may generate a third bed signal BS3 including identification information about the patient using the smart bed 500.
  • the third bed signal BS3 may be transmitted to the third controller 571.
  • the smart bed 500 may include a third communication unit 573.
  • the third communication unit 573 can communicate with an external device.
  • the external device may mean at least one of a wheelchair 100 (see FIG. 4), a smart cart 600 (see FIG. 7), a mobile terminal 700 (see FIG. 7), and a server 400 (see FIG. 4).
  • the third control unit 571 may communicate with an external device using, for example, a short range communication method. An example of a short range communication method is as described above.
  • the third communication unit 573 may generate a fourth bed signal BS4 including information received from an external device.
  • the fourth bed signal BS4 may be transmitted to the third controller 571.
  • the third control unit 571 may generate the fifth bed signal BS5 based on at least one of the first to fourth bed signals BS4.
  • the fifth bed signal BS5 may include state information of the smart bed 500.
  • the fifth bed signal BS5 may be transmitted to the third communication unit 573.
  • the fifth bed signal BS5 may be transmitted to the external device by the third communication unit 573.
  • the server 400 (see FIG. 4) may acquire state information of the smart bed 500.
  • the third controller 571 may generate the sixth bed signal BS6 based on at least one of the first to fourth bed signals BS4.
  • the sixth bed signal BS6 may include state information of the smart bed 500 and / or information about treatment of the patient.
  • the third control unit 571 may transmit the sixth bed signal BS6 to the third display 580.
  • the third display 580 may display contents included in the sixth bed signal BS6.
  • the third controller 571 may generate the seventh bed signal BS7 based on at least one of the first to fourth bed signals BS4.
  • the seventh bed signal BS7 may include state information of the smart bed 500 and / or information about treatment of the patient.
  • the seventh bed signal BS7 may include voice guide information regarding treatment of the patient.
  • the third speaker 590 having received the seventh bed signal BS7 may output a voice guidance.
  • the seventh bed signal BS7 may include a content regarding an alarm.
  • the third speaker 590 having received the seventh bed signal BS7 may sound an alarm.
  • the smart cart 600 may include a cart frame 610 and a cart body 620.
  • the cart body 620 may be coupled to the cart frame 610.
  • the cart frame 610 may support the cart body 620.
  • the cart body 620 may form a receiving space.
  • the cart body 620 may include a plurality of drawers.
  • the cart body 620 may accommodate a drug, an oral medicine, an injection medicine, a treatment device, a dressing article, and the like necessary for treating a patient.
  • the smart cart 600 may include a cart wheel 630.
  • the cart wheel 630 may be coupled to the cart frame 610.
  • the cart wheel 630 may roll.
  • the cart wheel 630 may include a first cart wheel 631, a second cart wheel 632, and a third cart wheel 633.
  • the cart wheel 630 may be driven by a motor.
  • the smart cart 600 may move along a predetermined path or a path indicated by the server 400 (see FIG. 4). For example, the smart cart 600 can move to each hospital bed in the rotation order.
  • the smart cart 600 may include a fourth housing 640.
  • the fourth housing 640 may accommodate elements necessary for the control of the smart cart 600.
  • the smart cart 600 may include a fourth display 650.
  • the fourth display 650 may be accommodated in the fourth housing 640.
  • the fourth display 650 may display information.
  • the fourth display 650 may display fourth content.
  • the fourth content may include the type of medicine to be administered to the patient, the timing of administration, the method of administration, and the like.
  • the smart cart 600 may include a fourth identification unit 645.
  • the fourth identification unit 645 may be installed in the cart frame 610 or the body 620 or the fourth housing 640.
  • the fourth identification unit 645 can identify the patient.
  • the fourth identification unit 645 may identify the patient by acquiring information of the patient's fingerprint, iris, face, vein, and the like.
  • the fourth identification unit 645 may obtain biometric information of the patient.
  • the smart cart 600 may include a fourth controller 641.
  • the fourth control unit 641 may be implemented using a computer or a PCB.
  • the fourth control unit 641 may be accommodated in the fourth housing 640.
  • the smart cart 600 may include a fourth communication unit 643.
  • the fourth communication unit 643 can communicate with an external device.
  • the external device may mean at least one of a wheelchair 100 (see FIG. 4), a server 400 (see FIG. 7), a smart bed 500 (see FIG. 7), and a mobile terminal 700 (see FIG. 4).
  • the fourth communication unit 643 may generate a first cart signal CS1 including information received from an external device.
  • the first cart signal CS1 may be transmitted to the fourth controller 641.
  • the first cart signal CS1 may include information about a treatment method of the patient.
  • the smart cart 600 may include a fourth identification unit 645.
  • the fourth identification unit 645 may generate a second cart signal CS2 including identification information of the patient.
  • the second cart signal CS2 may be transmitted to the fourth controller 641.
  • the fourth controller 641 may generate the third cart signal CS3 based on at least one of the first cart signal CS1 and the second cart signal CS2.
  • the third cart signal CS3 may be provided to the fourth communication unit 643.
  • the third cart signal CS3 may include information about the state of the smart cart 600.
  • the third cart signal CS3 may include information about a situation in which the smart cart 600 is assigned to the second patient after the smart cart 600 is assigned to the first patient and the work is performed.
  • the server 400 (refer to FIG. 4) may efficiently monitor and / or manage the smart cart 600 by acquiring information regarding the third cart signal CS3.
  • the fourth controller 641 may generate the fourth cart signal CS4 based on at least one of the first cart signal CS1 and the second cart signal CS2.
  • the fourth cart signal CS4 may be provided to the fourth display 650.
  • the information included in the fourth cart signal CS4 may be similar to the information included in the third cart signal CS3.
  • the fourth cart signal CS4 may include fourth content.
  • the fourth display 650 may display the fourth content.
  • the fourth controller 641 may generate the fifth cart signal CS5 based on at least one of the first cart signal CS1 and the second cart signal CS2.
  • the fifth cart signal CS5 may be provided to the fourth speaker 660.
  • the fourth speaker 660 may be installed in one of the cart frame 610 (see FIG. 9), the cart body 620 (see FIG. 9), and the fourth housing 640 (see FIG. 9).
  • the fourth speaker 660 may output the sound included in the fifth cart signal CS5 as a sound.
  • the fourth speaker 660 can simply provide an image of the patient with sound.
  • the fourth speaker 660 may provide an alarm sound in an emergency situation.
  • the wheelchair 100 may include a frame 110.
  • the frame 110 may have rigidity.
  • the drive wheel 120 and the steering wheel 130 may be coupled to the frame 110 and rolled with respect to the ground.
  • the steering wheel 130 may be located in front of the drive wheel 120.
  • the steering wheel 130 may include a first steering wheel 131 and a second steering wheel 133.
  • the drive wheel 120 may include a first drive wheel 121 and a second drive wheel 123.
  • the first motor (not shown) may be coupled to the first drive wheel 121 to provide a rotational force to the first drive wheel 121.
  • the second motor 126 may be coupled to the second drive wheel 123 to provide a rotational force to the second drive wheel 123.
  • the first clutch 127 can decelerate the rotational force that the first motor provides to the first drive wheel 121.
  • the second clutch 128 can decelerate the rotational force that the second motor 126 provides to the second drive wheel 123.
  • the battery 161 may be installed in the frame 110. The battery 161 may provide power to a component that consumes power in the wheelchair 100.
  • the wheelchair 100 may include a push bar 117, a backrest 114, an armrest 115, a footrest unit 150, and a seat assembly 200.
  • the push bar 117 may be a portion where the guardian holds the wheelchair 100 when the motor 126 is unavailable.
  • the locking unit 140 (see FIG. 13) may be installed in the drive wheel 120.
  • the scaffolding unit 150 may include a scaffolding body 151 (see FIG. 3), a scaffold weight sensor 153 (see FIG. 3), and a scaffold pressure sensor 155 (see FIG. 3).
  • the seat assembly 200 may include a seat base 210, a seat weight sensor 240, and a seat pressure sensor 250.
  • the seat base 210 may include a seat attitude driver 220 and a seat segment 230.
  • the wheelchair 100 may include a first housing 169.
  • the first housing 169 may be installed in the frame 110 or the armrest 115.
  • the wheelchair 100 may include a first manipulation unit 165.
  • the first manipulation unit 165 may obtain an input regarding the manipulation of the drive wheel 120 and the steering wheel 130 from the patient (user). That is, the patient (user) can control the movement of the wheelchair 100 by using the first operation unit 165.
  • the wheelchair 100 may include an interface unit 119.
  • the interface unit 119 may be located in the first housing 169.
  • the interface unit 119 can be wired to an external device.
  • the interface unit 119 may be wired to a USB.
  • the interface unit 119 may be wired to the mobile terminal 700 (refer to FIG. 4).
  • the wheelchair 100 may include a first display 170.
  • the first display 170 may be located in the first housing 169.
  • the first display 170 may display the first content.
  • the first content may include state information of the wheelchair 100.
  • FIG. 13 is a block diagram of the wheelchair 100 shown in FIGS. 11 and 12. 13 can be described in conjunction with FIGS. 11 and 12.
  • the wheelchair 100 may include a first control unit 310.
  • the first control unit 310 may be located in the first housing 169.
  • the first control unit 310 may be implemented using a PCB or the like.
  • the wheelchair 100 may include a seat weight sensor unit 240.
  • the sheet weight sensor unit 240 may be the sheet weight sensor unit 240 (see FIG. 2) included in the sheet assembly 200 (see FIG. 11).
  • the sheet weight sensor unit 240 may measure the weight or / and the weight distribution applied to the sheet assembly 200 (refer to FIG. 11).
  • the seat weight sensor unit 240 may generate the first wheelchair signal WS1 including information on the weight or / and the weight distribution applied to the seat assembly 200 (refer to FIG. 11).
  • the first wheelchair signal WS1 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a seat pressure sensor unit 250.
  • the seat pressure sensor unit 250 may be the seat pressure sensor unit 250 (see FIG. 2) included in the seat assembly 200 (see FIG. 11).
  • the seat pressure sensor unit 250 may measure a pressure or / and a pressure distribution applied to the seat assembly 200 (see FIG. 11).
  • the seat pressure sensor unit 250 may generate a second wheelchair signal WS2 including information about a pressure or / and a pressure distribution applied to the seat assembly 200 (refer to FIG. 11).
  • the second wheelchair signal WS2 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a scaffold weight sensor 153.
  • the scaffolding weight sensor 153 may be the scaffolding weight sensor 153 (see FIG. 3) included in the scaffolding unit 150 (see FIG. 11).
  • the scaffolding weight sensor unit 153 may measure the weight or / and the weight distribution applied to the scaffolding unit 150 (refer to FIG. 11).
  • the footrest weight sensor unit 153 may generate the third wheelchair signal WS3 including information on the weight or / and the weight distribution applied to the footrest 150 (see FIG. 11).
  • the third wheelchair signal WS3 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a scaffold pressure sensor unit 155.
  • the scaffold pressure sensor unit 155 may be a scaffold pressure sensor unit 155 (see FIG. 3) included in the scaffolding unit 150 (see FIG. 11).
  • the scaffold pressure sensor unit 155 may measure the pressure or / and the pressure distribution applied to the scaffolding unit 150 (refer to FIG. 11).
  • the foot pressure sensor unit 155 may generate the fourth wheelchair signal WS4 including information on the pressure or / and the pressure distribution applied to the footrest 150 (see FIG. 11).
  • the fourth wheelchair signal WS4 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a first identification unit 163.
  • the first identification unit 163 may be installed in the first housing 169 (see FIG. 12).
  • the first identification unit 163 may acquire biometric information of the patient, such as a fingerprint, a vein, an iris, and a face.
  • the first identification unit 163 may include at least one of a fingerprint sensor, a vein sensor, an iris sensor, and a face sensor.
  • the first identification unit 163 may generate the fifth wheelchair signal WS5 including the biometric information of the patient.
  • the fifth wheelchair signal WS5 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a first input unit 166.
  • the first input unit 166 may include the input unit 165 shown in FIG. 12.
  • the first input unit 166 may include a touch screen positioned on the first display 170 (see FIG. 12).
  • the first input unit 166 may obtain an input from a user (patient).
  • the first input unit 166 may obtain an input regarding the movement of the wheelchair 100.
  • the first input unit 166 may obtain an input relating to the operation of the seat assembly 200 (see FIG. 11).
  • the first input unit 166 may obtain an input regarding an operation of changing the shape such that the seat assembly 200 (see FIG. 11) corresponds to the body shape of the patient.
  • the first input unit 166 may generate a sixth wheelchair signal WS6 including the obtained input information.
  • the sixth wheelchair signal WS6 may be transmitted to the first controller 310.
  • the wheelchair 100 may include a first location information unit 340.
  • the first location information unit 340 may measure the current location of the wheelchair 100.
  • the first location information unit 340 may include a GPS module.
  • the first location information unit 340 may acquire location information in the hospital of the wheelchair 100 using a Wi-Fi system, Bluetooth, RFID, or the like installed in the hospital.
  • the first location information unit 340 may generate a seventh wheelchair signal WS7 including location information of the wheelchair 100.
  • the seventh wheelchair signal WS7 may be provided to the first controller 310.
  • the location of the wheelchair 100 in the hospital can be an important factor in terms of management of the patient. If the wheelchair 100 is located in a hazardous area within a hospital, the need for protection for the patient may be increased.
  • the server 400 (refer to FIG. 4) may acquire location information of the wheelchair 100 using a communication module. When the server 400 (see FIG. 4) obtains the location information of the wheelchair 100, monitoring of the patient using the wheelchair 100 may be facilitated.
  • the wheelchair 100 may include a first communication unit 330.
  • the first communication unit 330 may include a short range communication module or a long range communication module.
  • the first communication unit 330 may communicate with an external device using, for example, a communication method such as Wi-Fi, RFID, ZIGBEE, Bluetooth, WLAN, LTE, or the like.
  • the external device may be at least one of a server 400 (see FIG. 4), a smart bed 500 (see FIG. 4), a smart cart 600 (see FIG. 4), and a mobile terminal 700 (see FIG. 4).
  • the first communication unit 330 may receive a signal from an external device.
  • the first communication unit 330 may generate an eighth wheelchair signal WS8 including information included in a signal received from an external device.
  • the eighth wheelchair signal WS8 may be transmitted to the first controller 310.
  • the eighth wheelchair signal WS8 may include information about the state of the wheelchair 100.
  • the eighth wheelchair signal WS8 may include information regarding the emergency movement of the wheelchair 100.
  • the wheelchair 100 may include a first memory unit 320.
  • the first memory unit 320 may store data.
  • the first memory unit 320 may transmit / receive the fifteenth wheelchair signal WS15 with the first controller 310.
  • the fifteenth wheelchair signal WS15 may include data.
  • the first controller 310 may generate the ninth wheelchair signal WS9 based on at least one of the first to eighth wheelchair signals WS1 to WS8 and the fifteenth wheelchair signal WS15.
  • the ninth wheelchair signal WS9 may be provided to the first communication unit 330.
  • the ninth wheelchair signal WS9 may include current state information of the wheelchair 100.
  • the ninth wheelchair signal WS9 may include biometric information of a patient who uses the wheelchair 100.
  • the ninth wheelchair signal WS9 may include current position and / or movement state information of the wheelchair 100.
  • the ninth wheelchair signal WS9 may include information about pressure and weight applied to the seat assembly 200 (see FIG. 11) of the wheelchair 100.
  • the ninth wheelchair signal WS9 may include information about pressure and weight applied to the scaffolding unit 150 (see FIG.
  • the ninth wheelchair signal WS9 may be transmitted to the external device by the first communication unit 330.
  • the server 400 may receive information included in the ninth wheelchair signal WS9.
  • Information of the ninth wheelchair signal WS9 obtained by the server 400 may be used for monitoring a patient who uses the wheelchair 100.
  • the first controller 310 may generate the tenth wheelchair signal WS10 based on at least one of the first to eighth wheelchair signals WS1 to WS and the fifteenth wheelchair signal WS15.
  • the tenth wheelchair signal WS10 may be provided to the seat posture driver 220.
  • the tenth wheelchair signal WS10 may include information about the shape of the seat assembly 200 (refer to FIG. 11).
  • the seat posture driver 220 may change the shape of the seat segment 230 (see FIG. 2) in response to the tenth wheelchair signal WS10. have.
  • the first controller 310 may generate the eleventh wheelchair signal WS11 based on at least one of the first to eighth wheelchair signals WS1 to WS and the fifteenth wheelchair signal WS15.
  • the eleventh wheelchair signal WS11 may be provided to the locking unit 140.
  • the locking unit 140 can suppress the rotation of the drive wheel 120.
  • the locking unit 140 may operate to suppress rotation of the drive wheel 120.
  • the server 400 (refer to FIGS. 4 and 6) may receive a ninth wheelchair signal WS9 including current location information of the wheelchair 100.
  • the server 400 (see FIGS. 4 and 6) may compare the current location of the wheelchair 100 with the map database 417 (see FIG. 6). That is, the second controller 420 (see FIG. 6) may compare the current location of the wheelchair 100 with map information extracted from the map database 417 (see FIG. 6).
  • the server 400 may generate a signal including a command for inhibiting movement of the wheelchair 100. 100).
  • the eighth wheelchair signal WS8 may include a command to suppress movement of the wheelchair 100.
  • the eleventh wheelchair signal WS11 may include information about the operation of the locking unit 140 based on the eighth wheelchair signal WS8. When the locking unit 140 receives the eleventh wheelchair signal WS11, the locking unit 140 may suppress the movement of the wheelchair 100.
  • the first controller 310 may generate a twelfth wheelchair signal WS12 based on at least one of the first to eighth wheelchair signals WS1 to WS and the fifteenth wheelchair signal WS15.
  • the twelfth wheelchair signal WS12 may be transmitted to the first display 170.
  • the first display 170 may display information included in the twelfth wheelchair signal WS12.
  • the signal included in the twelfth wheelchair signal WS12 may include, for example, a state of the wheelchair 100, a treatment guide of the patient who uses the wheelchair 100, and the like.
  • the first controller 310 may generate a thirteenth wheelchair signal WS13 based on at least one of the first to eighth wheelchair signals WS1 to WS and the fifteenth wheelchair signal WS15.
  • the thirteenth wheelchair signal WS13 may be transmitted to the first speaker 167.
  • the first speaker 167 may acoustically provide information included in the thirteenth wheelchair signal WS13.
  • the thirteenth wheelchair signal WS13 may include guide information regarding a current state of the wheelchair 100 and treatment of a patient using the wheelchair 100. For example, when the thirteenth wheelchair signal WS13 includes alarm information indicating an emergency situation, the first speaker 167 that has received the thirteenth wheelchair signal WS13 may generate an alarm sound.
  • the first controller 310 may generate the fourteenth wheelchair signal WS14 based on at least one of the first to eighth wheelchair signals WS1 to WS and the fifteenth wheelchair signal WS15.
  • the fourteenth wheelchair signal WS14 may be provided to the first mobile unit 180.
  • the first moving unit 180 may include a drive wheel 120 and a steering wheel 130.
  • the fourteenth wheelchair signal WS14 may include information about the movement of the wheelchair 100. For example, when radiation treatment of a patient using the wheelchair 100 is scheduled, the fourteenth wheelchair signal WS14 may include path information and time information moving from the hospital room to the radiation treatment room.
  • the first mobile unit 180 may be driven to move from the hospital room to the radiation treatment room at a predetermined time.
  • the first speaker 167 may provide voice guidance to the patient about radiation treatment and may request to ride the wheelchair 100.
  • the locking unit operating method according to an embodiment of the present invention may include a step (S110) of activating the sensor units 240, 250, 153, and 155 by the first controller 310.
  • the sensor units 240, 250, 153, and 155 mean at least one of the seat weight sensor unit 240, the seat pressure sensor unit 250, the scaffolding weight sensor unit 153, and the scaffolding pressure sensor unit 155. can do.
  • the first control unit 310 may include the step of obtaining the pressure distribution information from the sensor unit (240, 250, 153, 155) (S120). have. In this step (S120), the sensor units 240, 250, 153, and 155 may obtain pressure distribution or weight distribution information applied to the seat assembly 200 or the scaffolding unit 150. In this step (S120), the first control unit 310 may receive pressure distribution or weight distribution information from the sensor units 240, 250, 153, and 155.
  • the locking unit operating method may include the step S130 of extracting the posture slope by the first controller 310 based on the pressure distribution or the weight distribution information.
  • the posture slope may refer to a posture slope of a patient (user) using the wheelchair 100.
  • the posture inclination of the patient to be separated from the wheelchair 100 may be greater than the posture inclination of the patient stably seated on the wheelchair 100.
  • the pressure distribution or the weight distribution may be changed corresponding to the posture slope.
  • the first control unit 310 may extract the posture slope from the “pressure distribution or the weight distribution” according to the relationship between the “pressure distribution or the weight distribution” and the posture slope.
  • the locking unit operating method according to an embodiment of the present invention may include a step (S140) in which the first controller 310 determines whether an end reason occurs.
  • the first control unit 310 may check whether the termination reason of the locking unit operating method S100 occurs. For example, if the patient (user) is separated from the wheelchair 100, the sensor unit 240, 250, 153, 155 may measure a negligible low pressure or weight. Therefore, when the sensor unit 240, 250, 153, or 155 measures a pressure or weight that is negligibly low, the controller 310 may affirm the occurrence of termination. In this case, the locking unit operating method S100 may be terminated.
  • the locking unit operating method according to an embodiment of the present invention may include a step (S150) in which the first controller 310 compares a posture slope with a preset slope. If it is determined that the reason for termination does not occur, the first controller 310 may perform this step (S150).
  • the locking unit operating method according to an embodiment of the present invention may include a step (S160) of activating the locking unit 140 by the first controller 310. If the acquired posture slope is greater than or equal to the preset slope, the first controller 310 may execute this step (S160). When the locking unit 140 is activated, the operation of the first mobile unit 180 is suppressed, and the movement of the wheelchair 100 can be suppressed. Therefore, the patient (user) who wants to leave the wheelchair 100 can stably leave the wheelchair 100. After performing this step S160, the first control unit 310 may perform step S120 of obtaining pressure distribution information.
  • the locking unit operating method according to an embodiment of the present invention may include a step (S170) of deactivating the locking unit 140 by the first controller 310.
  • the first controller 310 may execute this step S170.
  • the first controller 310 may perform the step S120 of obtaining pressure distribution information.
  • the seat assembly posture adjusting method S200 may be performed and described with reference to the wheelchair 100 (see FIG. 13).
  • FIG. 1 may be described with FIG. 13.
  • the seat assembly posture adjusting method S200 may include obtaining, by the first controller 310, pressure distribution or weight distribution information applied to the seat assembly 200 from the seat sensor units 240 and 250 (S210). Can be.
  • the sheet sensors 240 and 250 may refer to at least one of the sheet weight sensor 240 and the sheet pressure sensor 250.
  • the seat assembly posture adjusting method S200 may include a step S220 in which the first controller 310 obtains medical history data from the server 400 (see FIGS. 4 and 6).
  • the first control unit 310 may obtain the medical history data of the patient from the server 400 (see FIGS. 4 and 6).
  • the medical history data may include a hospital history of a patient who uses the wheelchair 100, a history of disease treatment, and the like.
  • the history data may be extracted from data stored in the database unit 410.
  • the seat assembly posture adjusting method S200 may include the step S230 of extracting the seat posture data by the first controller 310 based on the pressure distribution information and the history data.
  • the seat posture data may include information regarding the shape of the seat assembly 200.
  • the seat assembly posture adjusting method S200 may include the step S240 of adjusting the posture of the seat assembly 200 by operating the seat posture driving unit 220 based on the seat posture data by the first controller 310. have. In this step (S240), the shape or attitude of the seat assembly 200 may be formed corresponding to the seat attitude data.
  • the seat assembly posture adjusting method S200 may be performed and described with reference to the server 400 (see FIGS. 4 and 6).
  • FIG. 15 may be described in conjunction with FIGS. 6 and 13.
  • the seat assembly posture adjusting method S200 may include obtaining, by the second controller 420, pressure distribution or weight distribution information applied to the seat assembly 200 from the wheelchair 100 (S210).
  • the seat assembly posture adjusting method S200 may include a step S220 of the second control unit 420 obtaining history data from the database unit 410.
  • the medical history data may be transferred from the medical history database 413 to the second control unit 420.
  • the seat assembly posture adjustment method S200 may include the step S230 of the second control unit 420 extracting the seat posture data based on the pressure distribution information and the history data.
  • the seat assembly posture adjusting method S200 may include the step S240 of adjusting the posture of the seat assembly 200 by operating the seat posture driving unit 220 based on the seat posture data by the second control unit 420. have.
  • the second controller 420 determines whether the seat attitude data previously stored in the database unit 410 is present ( S231) may be included.
  • the database unit 410 may be referred to as "”.
  • the second controller 420 may check whether the sheet attitude data previously stored in the sheet attitude database 415 is stored.
  • the previously stored seat posture data may mean seat posture data of a patient identified as a user of the wheelchair 100.
  • the sheet attitude data extracting method S230 may include comparing the previously stored sheet attitude data updating time with the history data updating time (S232). If there is already stored sheet attitude data, the second control unit 420 may perform this step (S232). In this step S232, the second control unit 420 may determine whether the update timing of the previously stored sheet posture data is earlier than the update timing of the history data.
  • the sheet attitude data extraction method S230 may include extracting the sheet attitude data based on the pressure distribution information and the history data (S233).
  • the second controller 420 may execute this step S233.
  • the second control unit 420 may extract the sheet attitude data based on the pressure distribution information and the history data. For example, if a pressure sore occurs in the right leg of the patient after the pre-stored seat posture data is updated, the updated seat posture data is based on the pre-stored seat posture data, but the pressure applied to the right leg of the patient It may include a shape that becomes smaller.
  • the sheet attitude data extracting method (S230) may include setting the previously stored sheet attitude data as the sheet attitude data (S234).
  • the second controller 420 may execute this step S234.
  • the second controller 420 may set previously stored sheet attitude data as sheet attitude data.
  • the sheet attitude data extraction method (S230) may include extracting the sheet attitude data based on the pressure distribution information (S235). If there is no previously stored seat posture data of the patient in the database unit 410, the second control unit 420 may execute this step (S235). In this step S235, the second control unit 420 may extract sheet attitude data based on the pressure distribution information. For example, a patient with a large hip may have a larger area of contact with the seat assembly 200 than a patient with a small hip. The second control unit 420 may extract the seat posture data so that the seat assembly 200 has a relatively flat shape when the hip is relatively large. The second control unit 420 may extract the seat posture data so that the seat assembly 200 has a relatively concave shape when the hip is relatively small.
  • the sheet attitude data extraction method S230 may include storing the extracted sheet attitude data in the database unit 410 (S236).
  • the second control unit 420 may execute this step (S236).
  • the new seat pose data may be stored in the seat pose database 415.
  • the medical smart wheelchair and monitoring system of the present invention can be provided with a seat (seat) having a variety of shapes according to the condition of the patient, it is possible to monitor the wheelchair.

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Abstract

La présente invention concerne un fauteuil roulant médical intelligent et un système de surveillance et, plus particulièrement, un fauteuil roulant qui permet de vérifier l'état d'un patient au moyen de la mesure de la répartition de pression du patient assis dans le fauteuil roulant, et qui améliore la sécurité du patient, ainsi qu'un système de surveillance pour gérer celui-ci.
PCT/KR2018/016126 2018-08-31 2018-12-18 Fauteuil roulant médical intelligent et système de surveillance WO2020045760A1 (fr)

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KR1020180103164A KR102174096B1 (ko) 2018-08-31 2018-08-31 의료용 스마트 휠체어 및 모니터링 시스템
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KR102635017B1 (ko) * 2023-10-19 2024-02-08 (주)로보라이프 탑승자에 따른 빅데이터 기반 스마트 휠체어 동력보조장치 Gain 제어 시스템 및 방법

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KR20180010626A (ko) * 2016-07-22 2018-01-31 (주)휴민텍 무선충전 자율주행 전동휠체어 시스템

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KR20150137365A (ko) * 2014-05-29 2015-12-09 순천향대학교 산학협력단 착석자세 및 욕창 관리 시트 및 이의 제어방법
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JP2017169969A (ja) * 2016-03-25 2017-09-28 株式会社松永製作所 ブレーキ機構、伝達機構及び車椅子
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN113456368B (zh) * 2021-09-03 2022-03-01 齐鲁工业大学 一种姿势识别方法、系统、装置、终端及存储介质

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