CN101856293A - Bedsore-proof early warning device - Google Patents

Bedsore-proof early warning device Download PDF

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Publication number
CN101856293A
CN101856293A CN 201010207146 CN201010207146A CN101856293A CN 101856293 A CN101856293 A CN 101856293A CN 201010207146 CN201010207146 CN 201010207146 CN 201010207146 A CN201010207146 A CN 201010207146A CN 101856293 A CN101856293 A CN 101856293A
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pressure
bedsore
early warning
warning device
patient
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CN 201010207146
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CN101856293B (en
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姜丽萍
张恩
徐耀
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Wenzhou Medical College
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Wenzhou Medical College
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Abstract

The invention relates to a medical care auxiliary appliance, in particular to bedsore-proof early warning device. The bedsore-proof early warning device is provided with a pressure sensitive element, a tissue hypoxia degree monitoring device, a data processing unit and an alarm unit. When in use, the pressure sensitive element is attached to a bedsore-susceptible part to monitor the pressure of the part, and the tissue hypoxia degree is monitored by an instrument, thereby the actual hypoxia degree of the tissue at the pressed part of a patient can be mastered in time. When the local tissue pressure of an individual exceeds a certain range and lasts for a certain time, and the oxygen partial pressure of the tissue is lowered and possible to cause ischemic hurt, the bedsore-proof warning device warns to prompt the medical personnel and caregiver to be on guard that the patient is in the risk of suffering bedsore and take measures in time such as turning over the body of the patient to prevent bedsore. The bedsore-proof early warning device greatly lowers the workload of the nursing personnel and reduces the pain of the seriously ill patients.

Description

Bedsore-proof early warning device
Technical field
The present invention relates to a kind of medical treatment and nursing assistive device, specifically is exactly bedsore-proof early warning device.
Background technology
Pressure ulcer is to need one of patient's most common complication of long-term bed clinically because of disease, the local ulcer that causes mainly due to the long-term pressurized of body part causes the tissue ischemia anoxia.Along with the aged tendency of population trend of society and the sickness rate of cardiovascular disease rise, over past ten years, with regard to global range, the sickness rate of pressure ulcer also has the trend of rising.In China, the incidence rate of pressure ulcer is used as the important indicator of the nursing quality of estimating a hospital.Clinically, medical personnel adopt the method for standing up for patient in per 2 hours to prevent pressure ulcer usually.Yet there is following problem in this traditional turn-over method:
(1) stand up defining of time: China's quality of medical care administration guide proposes, and the patient of long-term bed should stand up once in per 2 hours, takes place with the prevention pressure ulcer.This standard is continued to use in clinical care for many years always, instructs nursery work.But the formulation of this guide serves as main basis with the experience guidance, lack a large amount of clinical following and demonstrate,prove support, though occur some patient clinically simultaneously stood up in per 2 hours, but still be difficult to avoid pressure ulcer to take place, even and some patient prolongs and stands up blanking time (3 hours or 4 hours) and also do not cause pressure ulcer generation phenomenon.
(2) heavy patient stands up inconvenience: for the critical patient of whole body intubate after rib or fracture of cervical vertebra patient, burn patients, the operation, too much standing up is a kind of strong stimulation, and what there is no need stands up the sleep that has a strong impact on patient, increases patient's misery; If there is no need to stand up once,, be only the optimal spacing time every how long so for individual patient every 2 hours.
(3) the nurse job amount increases, and efficient reduces: because individual patient is widely different, for some patient, stood up once every 2 hours and there is no need, will be the work that increases the nursing staff on foot so undoubtedly, make the reduction of nurse job efficient.
Therefore, conventional stood up the experience stage that just rests on the clinical effective prevention pressure ulcer of guidance that can not science every 2 hours.Must there be the more effective means of a kind of more science that medical personnel are instructed and point out.
Summary of the invention
The objective of the invention is to provides a kind of bedsore-proof early warning device for overcoming the deficiencies in the prior art.This bedsore-proof early warning device can be according to patient's practical situation, reminds in time that medical personnel are that patient stands up, and avoids pressure ulcer to take place, and also can reduce unnecessary work simultaneously, alleviates medical personnel's labor intensity.
For achieving the above object, the invention discloses a kind of bedsore-proof early warning device, it is characterized in that comprising that at least one is used to gather the pressure-sensing device of human body pressurized site pressure, be used to transmit the signal transmission unit of the pressure signal of coming from pressure-sensing device, histanoxia degree monitoring device, data processing unit and alarm unit, described data processing unit inside is provided with pressure ulcer animal model memory element and comparator, data processing unit is by analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that obtains from histanoxia degree monitoring device, and it and data in the pressure ulcer animal model memory element are compared, when the result satisfies the condition of setting, export control signal and make alarm unit send warning signal.
Compared with prior art, the invention has the beneficial effects as follows: because bedsore-proof early warning device is provided with pressure-sensing device, histanoxia degree monitoring device, data processing unit and alarm unit, during use pressure-sensing device is affixed on the pressure ulcer predilection site, this position pressure is monitored, in conjunction with the monitoring of instrument to the histanoxia degree, just can in time grasp the actual degree of oxygen deficiency of patient's compression zone bit organization, when individual local organization pressurized surpasses certain limit and certain hour, make PtO2 reduce in the time of also might causing ischemic lesions, bedsore-proof early warning device will send early warning, the vigilant patient of prompting medical worker and caretaker has the pressure ulcer of generation danger, in time take measures, prevent pressure ulcer as the method for standing up for patient.Can alleviate nursing staff's workload greatly like this, reduce severe case's misery.
The invention will be further described below in conjunction with the accompanying drawings and the specific embodiments.
Description of drawings
Accompanying drawing 1 is a specific embodiment of the invention structured flowchart.
Specific embodiment
As shown in Figure 1, bedsore-proof early warning device comprises the pressure-sensing device that is used to gather human body pressurized site pressure, be used to transmit the signal transmission unit of the pressure signal of coming from pressure-sensing device, histanoxia degree monitoring device, data processing unit and alarm unit, described data processing unit inside is provided with pressure ulcer animal model memory element and comparator, data processing unit is by analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that obtains from histanoxia degree monitoring device, and it and data in the pressure ulcer animal model memory element are compared, when the result satisfies the condition of setting, export control signal and make alarm unit send warning signal.In this specific embodiment, wherein the microprocessing systems be made up of single-chip microcomputer and peripheral cell thereof of data processing unit constitutes.Single-chip microcomputer has been selected STC89C58RD+ for use, and it has bigger RAM, ROM, FLASH bin, can satisfy the demand of developer's programming capacity; Data processing unit internal control and processing and comparator are finished by program.Store pressure ulcer animal model in the pressure ulcer animal model memory element by obtaining behind a large amount of laboratory observations, this pressure ulcer animal model is about skin histology pressure limit, persistent period and some index such as tissue oxygenation dividing potential drop (TcPO2) and partial pressure of carbon dioxide (TcPCO2) and skin histology to be had the relation of initial pathological changes between taking place, thereby this scope is defined as the alarm threshold of early warning pad pasting, the prompting nursing staff should stand up for patient, the generation of prevention pressure ulcer.In order to be fit to the use occasion of this device, require pressure-sensing device in the bedsore-proof early warning device to have wide dynamic range, good linearity, frivolous, flexible characteristics, therefore, selected for use dentist's special pressure thin film sensor of U.S. Tekscan company as pressure-sensing device in the present embodiment.Pick off is made up of double-layer films.Lay silver conductor on every layer film and be coated with the last layer pressure sensitive coatings, when two film laminating have just formed pick off together, silver conductor extends to the link of pick off from sensing point.Compare with other pick off, this pick off has more excellent characteristic aspect linearity, hysteresis, drift and the temperature control, and thin as a piece of paper, pliability is strong, can measure the pressure between nearly all contact surface.In addition, pick off is frivolous, also can not influence the human body normal activity.Bedsore-proof early warning device generally is provided with such pressure-sensing device at least, but human body is when lying low or lie on one's side and more than one everywhere in pressured state, for more fully monitoring, a plurality of pressure-sensing devices can be set.Be provided with two pressure-sensing devices in this specific embodiment, be affixed on sacrococcygeal region and ilium spine, these pressure ulcer predilection sites are monitored during respectively to clinostatism and when lying on one's side.Signal transmission unit will be changed the back input data processing unit through eliminating interference and A/D from the pressure signal that pressure-sensing device sends.Histanoxia degree monitoring device has selected for use Denmark's thunder degree percutaneous TcPO2/TcPCO2 monitor to measure local tissue ischemia anoxic conditions in this specific embodiment, and is connected with data processing unit by datel circuit test result is inputed in the data processing unit.This gauge is the variation that reflects TcPO2/TcPO2 by the oxygen amount that direct mensuration is overflowed from skin.Method is oxygen electrode to be close on the skin heat, make local microcirculation vasodilation, directly measure the PO2. that enters in the electrode by semipermeable membrane with microelectrode and can monitor the variation of PCO2 in the tissue simultaneously, to observe local tissue hypoxia and the cumulative degree of CO2 in conjunction with the TcPCO2 monitor.
This bedsore-proof early warning device is affixed on the pressure ulcer predilection site by with novel pad pasting (pressure-sensing device), this position pressure is monitored, in conjunction with TcPO 2/ TcPCO 2Monitor is to the monitoring of histanoxia degree, and show this position histanoxia degree curve chart with pictorial form by computer analysis, the pressure that can accurately monitor the pressurized position changes and the continuous compression time, and the anoxic conditions of tissue, when individual local organization pressurized surpasses scope and the time of setting in the inner pressure ulcer animal model memory element, make PtO2 reduce in the time of also might causing ischemic lesions, this device will send the acousto-optic early warning signal, the vigilant patient of prompting medical worker and caretaker has the pressure ulcer of generation danger, in time take measures, can avoid the nurse to do invalid standing up like this, reduce the nurse job amount, increase work efficiency, avoid invalid blindly standing up, alleviate the misery that some critical patient stands up.This device not only can be applied to medical and health services mechanism, early warning as prevention long-term bed patient pressure ulcer generation, the foundation of this model simultaneously can alleviate nursing staff's workload greatly, to follow the thought guidance clinical practice of card, this system can also be applied to the old person that has the long-term bed of mechanism, family that looks after simultaneously, instructs them correctly to carry out patient's nursing activity.

Claims (3)

1. bedsore-proof early warning device, it is characterized in that comprising that at least one is used to gather the pressure-sensing device of human body pressurized site pressure, be used to transmit the signal transmission unit of the pressure signal of coming from pressure-sensing device, histanoxia degree monitoring device, data processing unit and alarm unit, described data processing unit inside is provided with pressure ulcer animal model memory element and comparator, data processing unit is by analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that obtains from histanoxia degree monitoring device, and it and data in the pressure ulcer animal model memory element are compared, when the result satisfies the condition of setting, export control signal and make alarm unit send warning signal.
2. bedsore-proof early warning device according to claim 1, it is characterized in that: described pressure-sensing device is a piezoelectric type sensing pad pasting, and described histanoxia degree monitoring device is to constitute by having the device of measuring local PtO2 and partial pressure of carbon dioxide function.
3. bedsore-proof early warning device according to claim 1 and 2 is characterized in that: the microprocessing systems that described data processing unit is made up of single-chip microcomputer and peripheral cell thereof constitutes.
CN2010102071465A 2010-06-21 2010-06-21 Bedsore-proof early warning device Expired - Fee Related CN101856293B (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102499832A (en) * 2011-11-26 2012-06-20 陈春梅 Skin pressure measurement type pressure sore prevention and control bed
CN104800019A (en) * 2015-05-19 2015-07-29 京东方科技集团股份有限公司 Nursing bed and control method thereof
CN104814846A (en) * 2015-04-22 2015-08-05 陆连芳 Intelligent dedsore-proof early warning device
CN106176101A (en) * 2016-06-14 2016-12-07 牡丹江师范学院 A kind of rehabilitation bedsore prevention air cushion having skimulated motion ability
CN107198533A (en) * 2016-11-30 2017-09-26 纳智源科技(唐山)有限责任公司 Pressure sore prevention alarm set, method and system
CN108577856A (en) * 2018-03-05 2018-09-28 青岛大学附属医院 A kind of personalized monitoring and reminding device stirred for patient bedridden in long term body
CN109512610A (en) * 2018-12-28 2019-03-26 上海理工大学 A kind of household pressure ulcer prophylaxis alarm system
CN110751993A (en) * 2018-07-24 2020-02-04 湖南花猫博士医疗科技有限公司 Nursing measure execution method, device and system
CN111388236A (en) * 2020-03-27 2020-07-10 中国人民解放军陆军军医大学第一附属医院 Pressure sore early warning device
CN111387989A (en) * 2020-03-18 2020-07-10 京东方科技集团股份有限公司 Sedentary state monitoring device, system and monitoring method
CN111631732A (en) * 2020-05-11 2020-09-08 国家康复辅具研究中心 System and method for synchronously monitoring muscle tissue blood oxygen parameter and skin surface pressure
US10842701B2 (en) 2016-10-14 2020-11-24 Stryker Corporation Patient support apparatus with stabilization
CN117789977A (en) * 2023-11-30 2024-03-29 华中科技大学同济医学院附属同济医院 Novel intelligent early warning and prevention integrated method and system for pressure sores

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US3757356A (en) * 1972-07-13 1973-09-11 H Freeman Therapeutic bed pan
CN2507438Y (en) * 2001-07-30 2002-08-28 陈凡 Bed sore preventing mattress
CN1655718A (en) * 2002-03-25 2005-08-17 株式会社莫尔顿 Bedsore main-factor measuring device
JP2008027030A (en) * 2006-07-19 2008-02-07 Sysmex Corp Bed-sore reporting system
CN201020003Y (en) * 2007-04-18 2008-02-13 刘文彩 Pressing sore oxygen blast cover
CN201253308Y (en) * 2008-10-07 2009-06-10 贾广田 Sterilization, deodorization bedsore-prevention air cushion

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757356A (en) * 1972-07-13 1973-09-11 H Freeman Therapeutic bed pan
CN2507438Y (en) * 2001-07-30 2002-08-28 陈凡 Bed sore preventing mattress
CN1655718A (en) * 2002-03-25 2005-08-17 株式会社莫尔顿 Bedsore main-factor measuring device
JP2008027030A (en) * 2006-07-19 2008-02-07 Sysmex Corp Bed-sore reporting system
CN201020003Y (en) * 2007-04-18 2008-02-13 刘文彩 Pressing sore oxygen blast cover
CN201253308Y (en) * 2008-10-07 2009-06-10 贾广田 Sterilization, deodorization bedsore-prevention air cushion

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102499832A (en) * 2011-11-26 2012-06-20 陈春梅 Skin pressure measurement type pressure sore prevention and control bed
CN104814846A (en) * 2015-04-22 2015-08-05 陆连芳 Intelligent dedsore-proof early warning device
CN104800019A (en) * 2015-05-19 2015-07-29 京东方科技集团股份有限公司 Nursing bed and control method thereof
US10507149B2 (en) 2015-05-19 2019-12-17 Boe Technology Group Co., Ltd. Nursing bed and control method thereof
CN106176101A (en) * 2016-06-14 2016-12-07 牡丹江师范学院 A kind of rehabilitation bedsore prevention air cushion having skimulated motion ability
US10842701B2 (en) 2016-10-14 2020-11-24 Stryker Corporation Patient support apparatus with stabilization
CN107198533A (en) * 2016-11-30 2017-09-26 纳智源科技(唐山)有限责任公司 Pressure sore prevention alarm set, method and system
CN108577856A (en) * 2018-03-05 2018-09-28 青岛大学附属医院 A kind of personalized monitoring and reminding device stirred for patient bedridden in long term body
CN110751993A (en) * 2018-07-24 2020-02-04 湖南花猫博士医疗科技有限公司 Nursing measure execution method, device and system
CN109512610A (en) * 2018-12-28 2019-03-26 上海理工大学 A kind of household pressure ulcer prophylaxis alarm system
CN111387989A (en) * 2020-03-18 2020-07-10 京东方科技集团股份有限公司 Sedentary state monitoring device, system and monitoring method
CN111388236A (en) * 2020-03-27 2020-07-10 中国人民解放军陆军军医大学第一附属医院 Pressure sore early warning device
CN111631732A (en) * 2020-05-11 2020-09-08 国家康复辅具研究中心 System and method for synchronously monitoring muscle tissue blood oxygen parameter and skin surface pressure
CN117789977A (en) * 2023-11-30 2024-03-29 华中科技大学同济医学院附属同济医院 Novel intelligent early warning and prevention integrated method and system for pressure sores

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