WO2020233329A1 - Dispositif de matelas à coussins de sécurité gonflables de prévention d'escarres de décubitus pour soins de longue durée d'un patient âgé alité - Google Patents

Dispositif de matelas à coussins de sécurité gonflables de prévention d'escarres de décubitus pour soins de longue durée d'un patient âgé alité Download PDF

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Publication number
WO2020233329A1
WO2020233329A1 PCT/CN2020/086267 CN2020086267W WO2020233329A1 WO 2020233329 A1 WO2020233329 A1 WO 2020233329A1 CN 2020086267 W CN2020086267 W CN 2020086267W WO 2020233329 A1 WO2020233329 A1 WO 2020233329A1
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WIPO (PCT)
Prior art keywords
airbag
pressure
mattress
air pressure
airway
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Application number
PCT/CN2020/086267
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English (en)
Chinese (zh)
Inventor
胡鸿
周洁
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北京工业大学
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Publication date
Application filed by 北京工业大学 filed Critical 北京工业大学
Publication of WO2020233329A1 publication Critical patent/WO2020233329A1/fr

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    • 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
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
    • A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
    • 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
    • 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
    • A61G2203/34—General characteristics of devices characterised by sensor means for pressure
    • 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
    • A61G2203/46—General characteristics of devices characterised by sensor means for temperature

Definitions

  • the invention is an airbag mattress device based on an approximate human body measurement model and human body measurement to prevent pressure sores by reducing local pressure peaks. It is mainly used for long-term care of bedridden patients and belongs to the technical field of physical therapy devices.
  • the common prevention method is to change the sitting or lying posture.
  • wheelchair users with limited mobility should leave the lower body part of the wheelchair for at least one minute every 30 minutes; patients who are bedridden for a long time need to be in the caregiver With the help of the patient, the body posture is changed every two hours to reduce external pressure, but this frequent change of posture will definitely interfere with the patient’s sleep.
  • H. Kawakami proposed an electric bed that can automatically change the lying position.
  • the present invention provides a new type of automatic inflatable airbag mattress composed of elastic airbags made of multiple porous materials, and an airbag air pressure control system for reducing local pressure caused by body weight.
  • An anti-pressure sore airbag mattress device for long-term care of bedridden elderly people.
  • the device includes an airbag air pressure control system and an automatic inflatable airbag mattress; the automatic inflatable airbag mattress is composed of five parts, corresponding to the human head, Shoulder blades, hips, legs and feet.
  • the connection relationship of the automatic inflatable airbag mattress is shown in Figure 2.
  • the airbag 1 is nested on the airbag fixing ring 2. On the one hand, it is convenient to fix the position of the airbag 1, and on the other hand, it can avoid the excessive deformation of the airbag 1 during inflation and deflation. .
  • the airbag bottom bracket 3 supports the airbag 1 and the lower part of the airbag fixing ring 2, so that the airbag 1 and the mattress are more integrated, avoiding displacement inside the mattress, and also facilitating the connection of the airway, trachea and the airbag.
  • the airway 4 is located at the bottom bracket of the airbag Below 3, the airway 4 is used to store excess gas during inflation and deflation, and a flexible tube connects the airway 4 and the airbag 1 in series.
  • the mattress 5 loads the airbag 1, the airbag fixing ring 2, the airbag bottom support 3 and the airway 4 into one body.
  • the air pressure control system of the airbag 1 is arranged inside the mattress 5, and the inner space of the mattress 5 is filled with latex and other materials. The user can directly use the automatic inflatable airbag mattress.
  • the automatic inflatable airbag mattress is controlled by the airbag air pressure control system.
  • the automatic inflatable airbag mattress consists of five parts of airbags corresponding to different parts of the human body.
  • the airbag pressure control system is composed of five parts: a data acquisition system, a PLC controller, an airway switching unit, a wireless communication module and a display unit.
  • the airbag air pressure control system is connected to the automatic inflatable airbag mattress through a trachea connected to the airway.
  • a pressure sensor is installed at the far end of the airbag sharing airway to detect the air pressure and feed it back to the airbag air pressure control system.
  • the airbag air pressure control system is installed on the air pipe.
  • the solenoid valve adjusts the inflation and deflation of the airbag to achieve the purpose of reducing joint pressure and preventing pressure sores.
  • Airbag A0 corresponds to the head
  • airbag B corresponds to the scapula
  • airbag C corresponds to the waist
  • airbag D corresponds to the hips
  • airbag A1, airbag A2, airbag A3, and airbag A4 correspond to the spine
  • A1 corresponds to the cervical spine
  • A2 corresponds to the thoracic spine
  • A3 corresponds to the lumbar spine
  • A4 For the sacrum, airbag E corresponds to the thigh
  • airbag F corresponds to the knee socket
  • airbag G corresponds to the calf
  • airbag H corresponds to the heel.
  • the size and shape of the airbag 1 are designed to correspond to the human body structure, so as to fit the human body as much as possible.
  • the airbag air pressure control system is composed of five parts: a data acquisition system, a PLC controller, an airway switching unit, a wireless communication module and a display unit.
  • the data acquisition system is connected to the PLC controller through terminals AI0-AI7
  • the airway switching unit is connected to the relay
  • the relay is connected to the PLC controller through the DO0-DO15 digital output interface
  • the wireless communication module is connected to the PLC controller through the output interface.
  • the data acquisition system consists of a pressure sensor, a temperature and humidity sensor and a timer.
  • the data acquisition system collects the air pressure value in the airbag, the value of the skin temperature and humidity of the bedridden patient, and the length of time, and transmits the collected data signals to the PLC controller.
  • the PLC controller transmits the signal to the corresponding airway Switch unit.
  • the airway switching unit is composed of solenoid valve, air bag and air pressure machine. The air pressure machine rushes in a certain amount of air into the airway on time.
  • the solenoid valves of the corresponding airbags After receiving the signal from the PLC controller, the solenoid valves of the corresponding airbags will open to inflate and deflate until the pressure sensor detects that the air pressure value returns to the air pressure safety threshold.
  • the PLC controller will send a signal to close the solenoid valve.
  • the airbag air pressure control system can automatically adjust operation and switch, and users can also make personalized settings through the nursing service App.
  • the pressure data of the elderly in bed will be automatically uploaded to the bound App account.
  • the elderly, family members, authorized caregivers, and doctors can view the monitoring data of the elderly, and automatically detect or manually enter them through other bound nursing equipment.
  • Other health data will also be automatically uploaded to form a more complete digital health file.
  • each air bag will be inflated to the set initial pressure value. Then determine in turn whether the airbag pressure values corresponding to different parts of the human body are within the safe range. S1: Determine whether the air pressure of the airbag A0 corresponding to the head is too large.
  • the airbag A0 only opens the two-position three-way valve, allowing the airbag to decompress when the gas in the airbag enters the airway; if the airbag A0 pressure corresponding to the head does not exceed the safety pressure threshold, enter the next stage.
  • S2 If the air pressure of the head airbag A0 is normal, it is judged whether the air pressure of the airbag B corresponding to the shoulder blade is too high.
  • Airbag B only opens the two-position three-way valve, so that the airbag is reduced when the air in the airbag enters the airway. If the air pressure of the airbag B corresponding to the shoulder blade does not exceed the safety pressure threshold, enter the next stage. S3: If the air pressure of the airbag B of the shoulder blade is normal, it is judged whether the air pressure of the airbag D corresponding to the sacrum is too high.
  • the present invention has the following innovations:
  • New air cushion structure The traditional air bed is a straight tube, and the air pump automatically controls the way of inflation and deflation, so that the air bed can fluctuate regularly to prevent pressure sores. Due to the human body curve, the head, shoulder blades, buttocks and heels are the main stress-bearing parts in the supine position.
  • the present invention uses airbags to minimize skin pressure caused by body weight.
  • the airbags are designed according to ergonomics, so It makes the waist and legs bear the force, and reduces the pressure sore from the source that is prone to pressure sores.
  • New airbag air pressure control system For different groups of people and different parts of the human body, traditional air mattresses control inflation and deflation without difference.
  • the airbags in the automatic inflatable airbag mattress of the present invention are independently controlled by the system and feedback independently, aiming at pressure sores in different parts.
  • the air pressure control system responds according to the data detected by the pressure sensor, unrelated airbags are not affected, and the control is accurate.
  • the invention is mainly aimed at elderly long-term bedridden patients.
  • the design of the airbag is completely based on the anthropometric measurements of the elderly, which is more suitable for the body shape of the elderly.
  • the proportion of the elderly in bedridden patients is extremely high, and the pertinence is more valuable.
  • the airbag mattress device of the present invention that prevents pressure sores by reducing local pressure peaks has a novel structure and simple method, which can simply and effectively integrate the pressure value, pressure duration, and skin temperature and humidity of pressure sore points.
  • Numerical analysis and judgment by controlling the inflation and deflation of the relevant parts of the airbag to prevent or eliminate the occurrence of pressure sores, which can effectively extend the turn-over interval, and the control system is excellent, the control is simple, and the inflation and deflation adjustments and bed rest can also be performed according to the supporting App Patient body data monitoring.
  • Figure 1 is a schematic diagram of the sore points corresponding to the airbag of the present invention
  • Figure 2 is a schematic diagram of the structure of the automatic inflatable airbag mattress of the present invention
  • FIG. 3 is a diagram of the airbag pressure control system of the present invention
  • FIG. 4 is a schematic diagram of the airbag pneumatic device of the present invention
  • FIG. 5 is the PLC I/O point distribution and electrical wiring diagram of the present invention.
  • Figure 6 is a program flow chart of the airbag pneumatic device of the present invention
  • Figure 7 is the architecture diagram of the nursing service App of the present invention.
  • Airbags 4. Airway
  • the invention is an airbag mattress device for preventing pressure sores by reducing local pressure peaks. It can adaptively reduce local body pressure to prevent pressure sores for elderly people in bed with different heights and weights.
  • the airbag mattress air pressure control system As shown in Figure 3.
  • the airbag mattress device consists of nineteen airbags made of porous material. The porous material allows air leakage to help reduce temperature and humidity, and reducing pressure peaks, temperature and humidity help reduce the development of pressure sores.
  • the present invention divides the body parts into five parts: head, shoulder blades, waist and hips, legs and feet.
  • the control system uses PLC as the main controller.
  • the PLC collects the pressure signal of the pressure sensor, the temperature and humidity signal of the temperature and humidity sensor, and the time signal of the timer. After calculation and comparison, it sends a signal to the relay to control the action of the electromagnetic directional valve to achieve control.
  • the purpose of the airbag inflating, deflating and maintaining pressure is shown in Figure 4.
  • the analog input terminals AI0-AI7 of the PLC are assigned to the signal input of the pressure sensor, and the DO0-DO15 digital output interface of the PLC is assigned to the relay , As shown in Figure 5.
  • the A0 airbag when the head A0 pressure sensor detects that the pressure exceeds the normal threshold, the A0 airbag will deflate appropriately to reduce the pressure, and at the same time, the A1 ⁇ A2 airbag will be inflated appropriately to increase the bearing capacity of the neck and spine;
  • the 2 B airbags When the pressure sensors on the left and right sides of the scapular B airbags detect that the pressure exceeds the normal threshold, the 2 B airbags will be appropriately deflated to reduce the pressure, and the A1 ⁇ A2 ⁇ C airbags will be properly inflated to increase the upper spine and lumbar support;
  • the pressure sensors on the left and right sides of the hip D airbags detect that the pressure exceeds the normal threshold, the two D airbags will deflate appropriately to reduce the pressure, and at the same time, the A3 ⁇ A4 ⁇ C airbags will inflate the lower spine and waist.
  • the 2 H airbags When the pressure sensors on the left and right sides of the H airbag on the foot detect that the pressure exceeds the normal threshold, the 2 H airbags will be deflated appropriately to reduce the pressure, and the E ⁇ F ⁇ H airbags will be inflated appropriately to increase the leg bearing capacity.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

L'invention porte sur un dispositif de matelas à coussins de sécurité gonflables de prévention d'escarres de décubitus pour des soins de longue durée d'un patient âgé alité, comprenant un système de commande de pression d'air de coussins de sécurité gonflables et un matelas à coussins de sécurité gonflables à gonflage automatique. Le matelas à coussins de sécurité gonflables à gonflage automatique est constitué de cinq parties correspondant à la tête, aux omoplates, aux fesses, aux jambes et aux pieds d'un corps humain, respectivement. Le matelas à coussins de sécurité gonflables à gonflage automatique est commandé par le système de commande de pression d'air de coussins de sécurité gonflables. Le matelas à coussins de sécurité gonflables à gonflage automatique est constitué de cinq coussins de sécurité gonflables (1) correspondant à différentes régions du corps humain. Le système de commande de pression d'air de coussins de sécurité gonflables est constitué de cinq parties, d'un système d'acquisition de données, d'un dispositif de commande PLC, d'une unité de commutation des voies respiratoires, d'un module de communication sans fil et d'une unité d'affichage. Le dispositif peut intégrer d'une manière simple et efficace une valeur de pression, une durée de pression et des valeurs de température et d'humidité cutanées de points sujets aux escarres de décubitus à des fins d'analyse et d'évaluation, et empêcher ou éliminer l'apparition d'escarres de décubitus par commande du gonflage et du dégonflage des coussins de sécurité gonflables (1) pour la région pertinente. Le système de commande est excellent et la commande est simple. Le dispositif peut également ajuster le gonflage et le dégonflage et surveiller des données corporelles d'un patient alité au moyen d'une application correspondante.
PCT/CN2020/086267 2019-05-22 2020-04-23 Dispositif de matelas à coussins de sécurité gonflables de prévention d'escarres de décubitus pour soins de longue durée d'un patient âgé alité WO2020233329A1 (fr)

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CN201910431151.5 2019-05-22
CN201910431151.5A CN110123554B (zh) 2019-05-22 2019-05-22 一种用于卧床老人长期护理的防压疮气囊床垫装置

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CN205994669U (zh) * 2016-06-30 2017-03-08 中国人民解放军第四军医大学 一种供卧床患者用的防压伤或压疮及创口治疗型体位垫
CN107595522A (zh) * 2017-09-28 2018-01-19 昆山捷奥电子科技有限公司 医用防褥疮充气坐垫
CN108888440A (zh) * 2018-08-08 2018-11-27 天津理工大学 一种柔性且可调整的防压疮床垫
CN110123554A (zh) * 2019-05-22 2019-08-16 北京工业大学 一种用于卧床老人长期护理的防压疮气囊床垫装置

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CN113694403B (zh) * 2021-08-31 2023-05-23 武汉大学中南医院 具有自动摆位功能的放疗体架
CN113694403A (zh) * 2021-08-31 2021-11-26 武汉大学中南医院 具有自动摆位功能的放疗体架
CN114027669A (zh) * 2021-12-10 2022-02-11 珠海格力电器股份有限公司 床垫受力调整方法、装置、床垫及存储介质
CN114027669B (zh) * 2021-12-10 2023-05-12 珠海格力电器股份有限公司 床垫受力调整方法、装置、床垫及存储介质
CN114469498A (zh) * 2022-02-10 2022-05-13 马俊甫 一种基于人口老龄化的老年人护理装置
CN114469498B (zh) * 2022-02-10 2024-02-06 秦皇岛市第三医院 一种基于人口老龄化的老年人护理装置
CN115300272B (zh) * 2022-08-10 2023-12-22 山东中医药大学第二附属医院(山东省中西医结合医院) 俯卧位通气专用充气床垫装置及其工作方法
CN115300272A (zh) * 2022-08-10 2022-11-08 山东中医药大学第二附属医院(山东省中西医结合医院) 俯卧位通气专用充气床垫装置及其工作方法
CN115154103A (zh) * 2022-09-01 2022-10-11 中国人民解放军总医院第五医学中心 一种督导翻身床罩
CN115154103B (zh) * 2022-09-01 2024-05-14 中国人民解放军总医院第五医学中心 一种督导翻身床罩
CN115462978B (zh) * 2022-09-14 2023-09-08 浙江中医药大学附属第三医院 一种防褥疮床垫的皮肤压力调节控制方法
CN115462978A (zh) * 2022-09-14 2022-12-13 浙江中医药大学附属第三医院 一种防褥疮床垫的皮肤压力调节控制方法
CN117752299A (zh) * 2023-12-15 2024-03-26 中国人民解放军总医院第三医学中心 一种基于数据处理的实时眼压测量仪

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