CN101856293B - Bedsore-proof early warning device - Google Patents
Bedsore-proof early warning device Download PDFInfo
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- CN101856293B CN101856293B CN2010102071465A CN201010207146A CN101856293B CN 101856293 B CN101856293 B CN 101856293B CN 2010102071465 A CN2010102071465 A CN 2010102071465A CN 201010207146 A CN201010207146 A CN 201010207146A CN 101856293 B CN101856293 B CN 101856293B
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- bedsore
- early warning
- warning device
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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
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, the local ulcer that causes mainly due to the long-term pressurized of body part causes the tissue ischemia anoxia clinically because of disease.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 lots of clinical and follow card 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 less patient suffering; If there is no need whenever to stand up once at a distance from 2 hours, so for individual patient, every separated optimal spacing time that how long is only.
(3) the nurse job amount increases, and efficient reduces: because individual patient is widely different, for some patient, every standing up once at a distance from 2 hours there is no need, and will be the work that increases the nursing staff on foot so undoubtedly, and nurse job efficient is reduced.
Therefore, conventional whenever standing up the experience stage that just rests at a distance from 2 hours, direct clinical that can not science is effectively prevented pressure ulcer.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 the deficiency that overcomes 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 realizing above-mentioned purpose; 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, is used to transmit signal transmission unit, histanoxia degree monitoring device, data processing unit and the alarm unit of the pressure signal of coming from pressure-sensing device; Said data processing unit inside is provided with pressure ulcer animal model memory element and comparator; Data processing unit is through analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that from histanoxia degree monitoring device, obtains; And it and data in the pressure ulcer animal model memory element are compared, when the result satisfies the condition of setting, the output control signal makes 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,, make PtO2 reduce in the time of also might causing ischemic lesions when individual local organization pressurized surpasses certain limit and certain hour; Bedsore-proof early warning device will send early warning; The vigilant patient of prompting medical worker and caretaker has the pressure ulcer of generation dangerous, in time takes measures, and prevents pressure ulcer like the method for standing up for patient.Can alleviate nursing staff's workload greatly like this, reduce severe case's misery.
To combine accompanying drawing and specific embodiment that the present invention is described further below.
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 signal transmission unit, histanoxia degree monitoring device, data processing unit and the alarm unit of the pressure signal of coming from pressure-sensing device; Said data processing unit inside is provided with pressure ulcer animal model memory element and comparator; Data processing unit is through analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that from histanoxia degree monitoring device, obtains; 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 accomplished by program.Store pressure ulcer animal model in the pressure ulcer animal model memory element through 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 confirmed 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, dentist's special pressure thin film sensor of having selected U.S. Tekscan company in the present embodiment for use is as pressure-sensing device.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 comprehensively 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, during respectively to clinostatism when lying on one's side these pressure ulcer predilection sites monitor.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 carry out measure local tissue ischemia anoxic conditions in this specific embodiment, and is connected with data processing unit through datel circuit test result is inputed in the data processing unit.This gauge is the variation that reflects TcPO2/TcPO2 through 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 gets in the electrode through semipermeable membrane with microelectrode and combine the TcPCO2 monitor can monitor the variation of PCO2 in the tissue simultaneously, to observe local tissue hypoxia and the cumulative degree of CO2.
This bedsore-proof early warning device is affixed on the pressure ulcer predilection site through 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 shows this position histanoxia degree curve chart through computer analysis with pictorial form, and 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 dangerous, in time takes measures, and 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, is used to transmit signal transmission unit, histanoxia degree monitoring device, data processing unit and the alarm unit of the pressure signal of coming from pressure-sensing device; Said data processing unit inside is provided with pressure ulcer anthropometric dummy memory element and comparator; Data processing unit is through analyzing pressure signal of coming from pressure-sensing device and the histanoxia degree information that from histanoxia degree monitoring device, obtains; And the data in analysis result and the pressure ulcer anthropometric dummy 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: said pressure-sensing device is a piezoelectric type sensing pad pasting, and said histanoxia degree monitoring device is to be made up of the device with measure 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 said data processing unit is made up of single-chip microcomputer and peripheral cell thereof constitutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102071465A CN101856293B (en) | 2010-06-21 | 2010-06-21 | Bedsore-proof early warning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102071465A CN101856293B (en) | 2010-06-21 | 2010-06-21 | Bedsore-proof early warning device |
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| Publication Number | Publication Date |
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| CN101856293A CN101856293A (en) | 2010-10-13 |
| CN101856293B true CN101856293B (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102071465A Expired - Fee Related CN101856293B (en) | 2010-06-21 | 2010-06-21 | Bedsore-proof early warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814846A (en) * | 2015-04-22 | 2015-08-05 | 陆连芳 | Intelligent dedsore-proof early warning device |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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 |
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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 |
| TWI224964B (en) * | 2002-03-25 | 2004-12-11 | Molten Corp | Detecting device for cause of pressure sores |
| 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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2010
- 2010-06-21 CN CN2010102071465A patent/CN101856293B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814846A (en) * | 2015-04-22 | 2015-08-05 | 陆连芳 | Intelligent dedsore-proof early warning device |
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| CN101856293A (en) | 2010-10-13 |
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