CN110123554B - A prevent pressing sore gasbag mattress device for bed old man nurses for a long time - Google Patents
A prevent pressing sore gasbag mattress device for bed old man nurses for a long time Download PDFInfo
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- CN110123554B CN110123554B CN201910431151.5A CN201910431151A CN110123554B CN 110123554 B CN110123554 B CN 110123554B CN 201910431151 A CN201910431151 A CN 201910431151A CN 110123554 B CN110123554 B CN 110123554B
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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
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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
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
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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
- 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
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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
- 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
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- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention discloses a pressure sore prevention air bag mattress device for long-term nursing of bedridden old people, which comprises an air bag air pressure control system and an automatic inflation air bag mattress; the automatic inflatable air bag mattress consists of five parts which respectively correspond to the head, shoulder blades, buttocks, legs and feet of a human body. The automatic inflatable air bag mattress is controlled by an air bag air pressure control system. The automatic inflatable air bag mattress consists of five parts of air bags corresponding to different parts of a human body, and the air bag air pressure control system consists of five parts, namely a data acquisition system, a PLC (programmable logic controller), an air passage switching unit, a wireless communication module and a display unit. This device can simply effectual synthesis press the easy pressurized value, the long and skin humiture numerical value that produces the point of sore to carry out analysis and judgment when pressurized, prevent or eliminate the production of pressing the sore through the inflation and the gassing of control relevant position gasbag, control system is good, and control is simple, also can fill according to supporting App and bleed the adjustment and the monitoring of bed patient health data.
Description
Technical Field
The invention discloses an air bag mattress device for preventing pressure sores by reducing local pressure peak values based on an approximate human body measurement model and human body measurement, which is mainly used for long-term nursing of bedridden patients and belongs to the technical field of physical therapy devices.
Background
With the acceleration of aging process, the problem of providing nursing service for the old who lies in bed for a long time is more urgent. First, the degree of aging of the population in China is severe. According to the results of the sixth census, China has already entered the elderly society comprehensively by the end of 2010. Second, a young girl home structure and an empty home environment. As the fertility rate is kept at a low level for a long time under the birth control policy in the eighties, the subminiature family structure of 'four two one' is rapidly increased, the traditional family endowment capability is rapidly reduced, and the actual empty nest rate of urban old people is high. Thirdly, the social and economic basis for aging is not solid. At present, the public financial capacity is limited, the average income of the old is low, and the social service payment capacity of the old is insufficient. Fourth, an aging social service system has not yet been established. The Chinese society is in the transformation and reconstruction period, the concept and policy boundary of related public services are unclear, the aging-adapted service seeking way of the old is narrow and lack of pertinence, and the services oriented to different requirements are not hierarchical. The pressure sore is one of the complications of long-term bed rest, has the characteristics of high incidence rate, difficult cure and great pain, and has great social demand.
Regarding the pressure ulcer formation factor, m.kosiak explains the relationship of external pressure to time duration in < biology and pathology of immunochemicals > and a pressure ulcer is caused by external pressure of 600 mmHg for 1 hour or external pressure of 150 mmHg for 12 hours. The idea behind preventing pressure sore products is therefore to reduce the external pressure and shorten the length of time under pressure. In terms of reducing the external pressure, the common prevention mode is to reduce the pressure, the inflatable cushion and the inflatable mattress are widely used for reducing the external pressure born by the body area, usually, the mode of matching the straight tube-shaped strips with the automatic control is adopted, the air pump controls the inflation and deflation to regularly switch the hardness of the tube-shaped strips so as to achieve the function of pressure management, but due to the differences of the weight, the height, the health condition and the like of an individual user, the inflatable mattress controlled by the unified pressure standard and automatically alternated cannot be adaptively adjusted to the change of the human pressure. In terms of shortening the length of time of compression, a common prevention mode is to change the sitting posture or the lying posture, for example, a wheelchair user with limited activity should leave the lower body part of the wheelchair for at least one minute every 30 minutes; the patients lying in bed for a long time need to change the body posture every two hours under the help of nursing staff to relieve the external pressure, but the frequent body position changing can interfere the sleeping of the patients. Kawakami provides an electric bed capable of automatically changing the prone position in the text of Development soft word 'hist' position change-term care bed, and the problem is that the volume is large, the room area is large, and the originally used bed needs to be replaced by the bed, in combination with the analysis of the common automatic turning electric bed in the current market.
Disclosure of Invention
The present invention provides a novel self-inflating bladder mattress comprised of a plurality of resilient bladders made of porous material and a bladder pressure control system for reducing localized pressure due to body weight.
A pressure sore prevention air bag mattress device for long-term nursing of bedridden old people comprises an air bag air pressure control system and an automatic inflation air bag mattress; the automatic inflatable air bag mattress consists of five parts which respectively correspond to the head, shoulder blades, buttocks, legs and feet of a human body. The connection relation of the automatic inflatable air bag mattress is shown in the attached figure 2, the air bag 1 is nested on the air bag fixing ring 2, on one hand, the position of the air bag 1 is convenient to fix, and on the other hand, the excessive deformation of the air bag 1 under pressure in the inflation and deflation processes can be avoided. Gasbag collet 3 holds gasbag 1 and 2 lower parts of gasbag retainer plate, makes gasbag 1 and mattress more integrated, avoids at the inside displacement of mattress, and the air flue of also being convenient for, trachea are connected with the gasbag, and air flue 4 is located the below of gasbag collet 3, and air flue 4 is used for storing and aerifys and the unnecessary gas of gassing in-process, and the hose is in the same place air flue 4 and 1 series connection of gasbag. Mattress 5 loads gasbag 1, gasbag retainer plate 2, gasbag collet 3 and air flue 4 as an organic whole, and the atmospheric pressure control system setting of gasbag 1 is in mattress 5's inside, and the inner space of mattress 5 is filled with materials such as latex, and the user can directly use automatic inflation gasbag mattress.
The automatic inflatable air bag mattress is controlled by an air bag air pressure control system. The automatic inflatable air bag mattress consists of five parts of air bags corresponding to different parts of a human body, and the air bag air pressure control system consists of five parts, namely a data acquisition system, a PLC (programmable logic controller), an air passage switching unit, a wireless communication module and a display unit. The air bag air pressure control system is connected to the automatic inflatable air bag mattress through an air pipe connected to the air passage, the farthest end of the air bag sharing the air passage is provided with a pressure sensor for detecting air pressure and feeding back the air pressure to the air bag air pressure control system, and the air bag air pressure control system controls an electromagnetic valve installed on the air pipe to adjust the air bag to inflate and deflate so as to achieve the purposes of reducing joint pressure and preventing pressure sores.
According to the statistics of the pressure sore generating part in medicine, the air bag corresponds to the pressure sore generating point. The air bag A0 corresponds to the head, the air bag B corresponds to the scapular part, the air bag C corresponds to the waist, the air bag D corresponds to the hip, the air bag A1, the air bag A2, the air bag A3 and the air bag A4 correspond to the spine, wherein the air bag A1 corresponds to the cervical vertebra, the air bag A2 corresponds to the thoracic vertebra, the air bag A3 corresponds to the lumbar vertebra, the air bag A4 corresponds to the sacrum, the air bag E corresponds to the thigh part, the air bag F corresponds to the knee fossa, the air bag G corresponds to the shank part, and the air bag H corresponds to the heel part. According to the height and weight statistics of the old, the human body measurement data and the approximate human body measurement model, the size and the shape of the air bag 1 are designed to correspond to the human body structure, so that the air bag can be attached to the human body to the greatest extent.
The air bag air pressure control system is composed of five parts, namely a data acquisition system, a PLC (programmable logic controller), an air passage switching unit, a wireless communication module and a display unit. As shown in fig. 5, 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 digital output interfaces DO0-DO15, and the wireless communication module and the display unit are connected to the PLC controller through the output interfaces.
The data acquisition system consists of a pressure sensor, a temperature and humidity sensor and a timer. The data acquisition system acquires the air pressure value in the air bag, the skin temperature and humidity value of the bedridden patient and the time length, and transmits the acquired data signals to the PLC. The air pressure safety threshold values of the corresponding joint points of different air bags of the PLC are written in advance, the data collected by the data collection system are judged, and when the air pressure value in the air bag exceeds the air pressure safety threshold value, the PLC transmits signals to the corresponding air passage switching unit. The air passage switching unit consists of an electromagnetic valve, an air bag and an air compressor. The air compressor flushes certain air into the air passage on time, after receiving signals of the PLC, the electromagnetic valves of the corresponding air bags are opened for inflation and deflation, and the PLC sends signals to close the electromagnetic valves until the pressure sensor detects that the air pressure value returns to the air pressure safety threshold value.
The air bag air pressure control system can automatically adjust operation and switch, and a user can also set the air bag air pressure control system in a personalized mode through the nursing service App. Pressure data of old people lying in bed can be automatically uploaded to the bound App account number, monitoring data of the old people can be checked by the old people, family members, authorized care personnel and doctors, automatic detection or manual input of other bound nursing equipment is realized, and other health data of the old people can also be automatically uploaded to form a more complete digital health record.
The system implementation flow is shown in figure 6. Firstly, in the initial process of the system, each air bag is inflated to a set initial pressure value. Then, whether the pressure values of the air bags corresponding to different parts of the human body are in a safe range or not is sequentially judged. S1: judging whether the air pressure of the air bag A0 corresponding to the head is too large, if the air pressure exceeds a safety pressure threshold value, opening a two-dimensional three-way valve and a two-position two-way valve of the air bags A1 and A2, enabling the air in an air passage to enter the air bag to pressurize the air bag, and only opening the two-position three-way valve of the air bag A0, so that the air bag is depressurized when the air in the air bag enters the air passage; if the air pressure of the air bag A0 corresponding to the head does not exceed the safety pressure threshold, the next stage is entered. S2: if the air pressure of the head air bag A0 is normal, judging whether the air pressure of an air bag B corresponding to the scapular part is too large, if the air pressure exceeds a safe pressure threshold, opening a two-dimensional three-way valve and a two-dimensional two-way valve of the air bags A1, A2 and C, enabling the air in the air passage to enter the air bags to pressurize the air bags, enabling the air bags of the cervical vertebra, the thoracic vertebra and the waist to be properly inflated to bear more pressure, and only opening the two-dimensional three-way valve by the air bag B, and enabling the air bags to be depressurized when the air in the air bags enters the air passage; and entering the next stage if the air pressure of the air bag B corresponding to the scapular part does not exceed the safety pressure threshold. S3: if the air pressure of the air bag B at the scapular part is normal, judging whether the air pressure of the air bag D corresponding to the sacrum is too large, if the air pressure exceeds a safe pressure threshold value, opening a two-dimensional three-way valve and a two-position two-way valve of the air bags A3, A4 and C to enable the air bags at the lumbar vertebra and the waist to be properly inflated to bear more pressure, and only opening the two-position three-way valve by the air bag D to enable the air bags to be decompressed when the air in the air bags enters an air passage; if the air pressure of the air bag D on the sacrum does not exceed the safe pressure threshold, the next stage is entered. S4: if the pressure of the air bag D of the sacrum is normal, judging whether the air pressure of the air bag H corresponding to the heel is too large, if the pressure exceeds a safe pressure threshold, opening a two-dimensional three-way valve and a two-position two-way valve of air bags E, F and G to enable the air bags of thighs, leg sockets and crus to be properly inflated to bear more pressure, and only opening the two-position three-way valve by the air bag H to enable the air bags to be decompressed when the air in the air bags enters an air passage; the air pressure of the bladder H to the heel remains unchanged if it does not exceed the safe pressure threshold. The 4 steps of S1-S4 are repeated.
Compared with the prior air cushion bed, the invention has the following innovation points:
1. a new air cushion structure. The traditional air cushion bed is a straight tube strip, and the regular fluctuation of the air cushion bed is used for preventing pressure sores by matching with an automatic inflation and deflation mode of an air pump. Because the human body curves, the head, the scapular part, the hip and the heel are main stress parts when the head, the scapular part, the hip and the heel are in the flat position, the invention reduces the skin pressure caused by the weight to the maximum extent through the air bag, and the design of the air bag is carried out according to the human engineering, thereby enabling the waist and the legs to share the stress and reducing the pressure sore generation of the pressure sore parts from the source.
2. A new air bag air pressure control system. For different people and different parts of human body, the traditional air cushion bed is uniformly controlled to inflate and deflate without difference, the air bags in the automatic inflating air bag mattress are independently controlled and fed back by the system, the air pressure control system responds to the pressure sore generating points of different parts according to the data detected by the pressure sensor, irrelevant air bags are not influenced, and the control is accurate.
3. The adaptability is strong. The invention mainly aims at the old people lying in bed for a long time, the design of the air bag is completely carried out according to the measurement of the old people, the air bag is more suitable for the body shape of the old people, the proportion of the old people in the patient lying in bed for a long time is extremely high, and the air bag is more valuable with strong pertinence.
4. Accurate nursing effectively reduces the pressure sore possibility of taking place. The traditional nursing mode needs to turn over the bedridden patient once every 1.5-2 hours to avoid pressure sores, the invention carries out real-time pressure detection on the points where pressure sores are easy to generate, accurately controls the pressure value and time length of key points, can prolong the turn-over interval and reduce the possibility of pressure sores and greatly reduces the inconvenience for the life of the bedridden patient.
The air bag mattress device for preventing pressure sores by reducing the local pressure peak value is novel in structure and simple and convenient in method, can simply and effectively analyze and judge the pressure value, the pressure duration and the skin temperature and humidity value of the pressure sore easily-generated point, prevents or eliminates the pressure sores by controlling the inflation and deflation of the air bags at the relevant positions, can effectively prolong the turn-over interval, is excellent in control system and simple to control, and can also perform inflation and deflation adjustment and monitoring on the body data of bedridden patients according to the matched App.
Drawings
FIG. 1 is a schematic view of the corresponding sore point of the balloon of the present invention
FIG. 2 is a schematic view of the structure of the automatic inflating air bag mattress of the present invention
FIG. 3 is a diagram of an air bag pressure control system of the present invention
FIG. 4 is a schematic view of the air bag pneumatic device of the present invention
FIG. 5 is a PLC I/O point assignment and electrical wiring diagram of the present invention
FIG. 6 is a flowchart of the process of the air bag pneumatic device of the present invention
FIG. 7 is a nursing service App architecture diagram of the present invention
In the figure:
1. air bag 4. air passage
2. Air bag fixing ring 5. mattress
3. Air bag bottom support
Detailed Description
The air bag mattress assembly of the present invention will be described in detail below with reference to the accompanying drawings.
The invention relates to an air bag mattress device for preventing pressure sores by reducing local pressure peaks, which can adaptively reduce local body pressure to prevent pressure sores for bedridden old people with different heights and weights, and an air pressure control system of the air bag mattress is shown in figure 3. An air bag mattress set consists of nineteen air bags made of a porous material that allows air to leak and helps to reduce temperature and humidity, and reduces pressure spikes, temperature and humidity to help reduce the development of pressure sores. To determine the optimum bladder pressure for each user, the present invention divides the body parts into five parts, head, shoulder blades, waist, hip, legs and feet. Then, the pressure of each part is independently calculated from the weight of each part based on the anthropometric data such as height and weight and the approximate anthropometric model. The control system uses PLC as a main controller, the PLC collects pressure signals of the pressure sensor, temperature and humidity signals of the temperature and humidity sensor and time signals of the timer, and sends signals to the relay to control the action of the electromagnetic directional valve after calculation and comparison so as to achieve the purposes of controlling the inflation, deflation and pressure maintaining of the air bag, as shown in figure 4. Since the signals of the pressure sensor are analog quantity signals (current analog quantity signals are 4-20 mA), the analog quantity input terminals AI0-AI7 of the PLC are allocated to the signal input of the pressure sensor, and the DO0-DO15 digital quantity output interfaces of the PLC are allocated to the relay, as shown in FIG. 5.
As shown in figure 6, when the pressure sensor of the head A0 detects that the pressure exceeds the normal threshold, the A0 air bag can be properly deflated to reduce the pressure, and simultaneously, the A1\ A2 air bag can be properly inflated to increase the bearing capacity of the neck and the spine; when pressure sensors on the left side and the right side of the B air bags on the scapular part detect that the pressure exceeds a normal threshold value, 2B air bags are appropriately deflated to reduce the pressure, and meanwhile, the A1\ A2\ C air bags are appropriately inflated to increase the strength of the upper part of the spine and the waist; when pressure sensors at the left side and the right side of a D air bag of a hip detect that the pressure exceeds a normal threshold value, 2D air bags are appropriately deflated to reduce the pressure, and meanwhile, an A3\ A4\ C air bag is appropriately inflated to increase the bearing force of the lower part of a spine and the waist; when the pressure sensors at the left side and the right side of the H air bags at the feet detect that the pressure exceeds a normal threshold value, 2H air bags are appropriately deflated to reduce the pressure, and meanwhile, the E \ F \ H air bags are appropriately inflated to increase the bearing capacity of the legs.
Claims (3)
1. The utility model provides a prevent pressing sore gasbag mattress device for bed old man nurses for a long time which characterized in that: the device comprises an air bag air pressure control system and an automatic inflatable air bag mattress; the automatic inflatable air bag mattress consists of five parts of air bags which respectively correspond to the head, shoulder blades, buttocks, legs and feet of a human body; the air bag (1) is nested on the air bag fixing ring (2), so that the position of the air bag (1) is convenient to fix on one hand, and the excessive deformation of the air bag (1) under pressure in the inflation and deflation processes can be avoided on the other hand; the air bag fixing ring is characterized in that the air bag bottom support (3) supports the lower parts of the air bag (1) and the air bag fixing ring (2), so that the air bag (1) and a mattress are integrated, the displacement inside the mattress is avoided, an air passage and an air pipe are conveniently connected with the air bag, the air passage (4) is positioned below the air bag bottom support (3), the air passage (4) is used for storing redundant air in the inflating and deflating processes, and the air passage (4) and the air bag (1) are connected together in series through a soft air pipe; the air bag (1), the air bag fixing ring (2), the air bag bottom support (3) and the air passage (4) are loaded into a whole by the mattress (5), an air pressure control system of the air bag (1) is arranged in the mattress (5), latex is filled in the inner space of the mattress (5), and a user can directly use the automatic inflation air bag mattress;
the automatic inflatable air bag mattress is controlled by an air bag air pressure control system; the air bag air pressure control system consists of a data acquisition system, a PLC (programmable logic controller), an air passage switching unit, a wireless communication module and a display unit; the air bag air pressure control system is connected to the automatic inflatable air bag mattress through an air pipe connected to the air passage, the farthest end of the air bag sharing the air passage is provided with a pressure sensor for detecting air pressure and feeding the air pressure back to the air bag air pressure control system, and the air bag air pressure control system controls an electromagnetic valve arranged on the air pipe to adjust the inflation and deflation of the air bag so as to achieve the purpose of reducing the joint pressure;
the air bag A0 corresponds to the head, the air bag B corresponds to the scapular part, the air bag C corresponds to the waist, the air bag D corresponds to the hip, the air bag A1, the air bag A2, the air bag A3 and the air bag A4 correspond to the spine, wherein A1 corresponds to the cervical vertebra, A2 corresponds to the thoracic vertebra, A3 corresponds to the lumbar vertebra, A4 corresponds to the sacrum, the air bag E corresponds to the thigh part, the air bag F corresponds to the knee fossa, the air bag G corresponds to the shank part, and the air bag H corresponds to the heel part; according to the height and weight statistics of the old, the human body measurement data and the approximate human body measurement model, the size and the shape of the air bag (1) are designed to correspond to the human body structure so as to fit the human body;
the data acquisition system is connected to the PLC through terminals AI0-AI7, the airway switching unit is connected with the relay, the relay is connected to the PLC through DO0-DO15 digital quantity output interfaces, and the wireless communication module and the display unit are connected to the PLC through output interfaces;
the data acquisition system consists of a pressure sensor, a temperature and humidity sensor and a timer; the data acquisition system acquires the air pressure value in the air bag, the skin temperature and humidity value of the bedridden patient and the time length, and transmits the acquired data signals to the PLC; writing air pressure safety thresholds of joint points corresponding to different air bags of the PLC in advance, judging data collected by the data collection system, and transmitting signals to corresponding air passage switching units by the PLC when detecting that the air pressure value in the air bags exceeds the air pressure safety thresholds; the air passage switching unit consists of an electromagnetic valve, an air bag and an air compressor; the air compressor flushes certain air into the air passage on time, after receiving signals of the PLC, the electromagnetic valves of the corresponding air bags are opened for inflation and deflation, and the PLC sends signals to close the electromagnetic valves until the pressure sensor detects that the air pressure value returns to the air pressure safety threshold value.
2. The pressure sore prevention airbag mattress device for long-term care of bedridden elderly people according to claim 1, characterized in that: the air bag air pressure control system can automatically adjust operation and switch, and a user can also perform personalized setting through the nursing service App; the pressure data of the old people lying in bed can be automatically uploaded to the bound App account.
3. The implementation method of the pressure sore prevention air bag mattress device for long-term nursing of bedridden old people according to claim 1 is characterized in that: firstly, in the initial process of the system, each air bag can be inflated to a set initial pressure value; then sequentially judging whether the pressure values of the air bags corresponding to different parts of the human body are within a safety threshold range; s1: judging whether the air pressure of the air bag A0 corresponding to the head is too large, if the air pressure exceeds a safety pressure threshold, opening a two-position three-way valve and a two-position two-way valve of the air bags A1 and A2, enabling the air in an air passage to enter the air bag to pressurize the air bag, and only opening the two-position three-way valve of the air bag A0, so that the air bag is depressurized when the air in the air bag enters the air passage; if the air pressure of the air bag A0 corresponding to the head does not exceed the safety pressure threshold, the next stage is started; s2: if the air pressure of the head air bag A0 is normal, judging whether the air pressure of an air bag B corresponding to the scapular part is too large, if the air pressure exceeds a safe pressure threshold, opening a two-position three-way valve and a two-position two-way valve of the air bags A1, A2 and C, enabling the air in the air passage to enter the air bags to pressurize the air bags, enabling the air bags of the cervical vertebra, the thoracic vertebra and the waist to be properly inflated to bear more pressure, and only opening the two-position three-way valve by the air bag B, and enabling the air bags to be depressurized when the air in the air bags enters the air passage; if the air pressure of the air bag B corresponding to the scapular part does not exceed the safe pressure threshold, the next stage is started; s3: if the air pressure of the air bag B at the scapular part is normal, judging whether the air pressure of the air bag D corresponding to the sacrum is too large, if the air pressure exceeds a safe pressure threshold value, opening a two-position three-way valve and a two-position two-way valve of the air bags A3, A4 and C to enable the air bags at the lumbar vertebra and the waist to be properly inflated to bear more pressure, and only opening the two-position three-way valve by the air bag D to enable the air bags to be decompressed when the air in the air bags enters an air passage; entering the next stage if the air pressure of the air bag D on the sacrum does not exceed a safe pressure threshold; s4: if the pressure of the air bag D of the sacrum is normal, judging whether the air pressure of the air bag H corresponding to the heel is too large, if the pressure exceeds a safe pressure threshold, opening a two-position three-way valve and a two-position two-way valve of air bags E, F and G to enable the air bags of thighs, leg sockets and crus to be properly inflated to bear more pressure, and only opening the two-position three-way valve by the air bag H to enable the air bags to be decompressed when the air in the air bags enters an air passage; if the air pressure of the air bag H for the heel does not exceed the safe pressure threshold value, keeping the air pressure unchanged; the 4 steps of S1-S4 are repeated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431151.5A CN110123554B (en) | 2019-05-22 | 2019-05-22 | A prevent pressing sore gasbag mattress device for bed old man nurses for a long time |
| PCT/CN2020/086267 WO2020233329A1 (en) | 2019-05-22 | 2020-04-23 | Pressure sore-preventing airbag mattress device for long-term care of bedridden elderly patient |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910431151.5A CN110123554B (en) | 2019-05-22 | 2019-05-22 | A prevent pressing sore gasbag mattress device for bed old man nurses for a long time |
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| CN110123554A CN110123554A (en) | 2019-08-16 |
| CN110123554B true CN110123554B (en) | 2021-07-23 |
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| CN201910431151.5A Active CN110123554B (en) | 2019-05-22 | 2019-05-22 | A prevent pressing sore gasbag mattress device for bed old man nurses for a long time |
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| WO (1) | WO2020233329A1 (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017214188A1 (en) | 2016-06-06 | 2017-12-14 | University Of Massachusetts | Systems and methods for prevention of pressure ulcers |
| CN110123554B (en) * | 2019-05-22 | 2021-07-23 | 北京工业大学 | A prevent pressing sore gasbag mattress device for bed old man nurses for a long time |
| CN113069293A (en) * | 2020-01-06 | 2021-07-06 | 京华堂实业股份有限公司 | Sphere combined module with pressure detection and regulation functions |
| CN111150579A (en) * | 2020-02-18 | 2020-05-15 | 扬州大学附属医院 | Control system of multifunctional inflatable nursing bed |
| CN111329278A (en) * | 2020-04-13 | 2020-06-26 | 浙江世矩科技股份有限公司 | Control method of automatic multifunctional electric bed |
| CN111603334A (en) * | 2020-06-03 | 2020-09-01 | 常州市第一人民医院 | Muscle contracture prevention device for long-term bedridden patients |
| CN111658357A (en) * | 2020-06-16 | 2020-09-15 | 淄博职业学院 | Multifunctional pressure sore prevention nursing bed for old people |
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-
2019
- 2019-05-22 CN CN201910431151.5A patent/CN110123554B/en active Active
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2020
- 2020-04-23 WO PCT/CN2020/086267 patent/WO2020233329A1/en active Application Filing
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| CN110123554A (en) | 2019-08-16 |
| WO2020233329A1 (en) | 2020-11-26 |
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