CN209933221U - Pressure damage prevention mattress used on flat car - Google Patents
Pressure damage prevention mattress used on flat car Download PDFInfo
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- CN209933221U CN209933221U CN201920577713.2U CN201920577713U CN209933221U CN 209933221 U CN209933221 U CN 209933221U CN 201920577713 U CN201920577713 U CN 201920577713U CN 209933221 U CN209933221 U CN 209933221U
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- flatcar
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- 230000006378 damage Effects 0.000 title claims abstract description 48
- 230000002265 prevention Effects 0.000 title claims abstract description 19
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 19
- 208000014674 injury Diseases 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims description 17
- 239000002344 surface layer Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 206010002091 Anaesthesia Diseases 0.000 abstract description 8
- 230000037005 anaesthesia Effects 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 238000002695 general anesthesia Methods 0.000 abstract description 4
- 230000002980 postoperative effect Effects 0.000 abstract description 4
- 230000000306 recurrent effect Effects 0.000 abstract 1
- 230000002026 carminative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000954 sacrococcygeal region Anatomy 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000036407 pain Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 208000002720 Malnutrition Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005182 global health Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000003701 histiocyte Anatomy 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 230000001071 malnutrition Effects 0.000 description 1
- 235000000824 malnutrition Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003158 myorelaxant agent Substances 0.000 description 1
- 239000004081 narcotic agent Substances 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 208000015380 nutritional deficiency disease Diseases 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- 210000004243 sweat Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The utility model discloses a pressure damage prevention mattress used on a flat car, which comprises an air cushion bed, an air pump, a control device, an electromagnetic valve and a power supply device, wherein the air cushion bed is divided into three areas, the area with small pressure damage risk (two side areas) is alternately arranged with two groups of strip-shaped air bags, and the first air pump cyclically inflates and exhausts every 8 minutes in the two groups of strip-shaped air bags; in the area (middle area) with high risk of pressure injury, on the basis of recurrent inflation and air exhaust, the inflation degree of each position by the second air pump is adjusted by the control device according to the pressure change of each position on the air cushion bed; the utility model discloses economy, practicality, comfortable, effective, can satisfy different individualities to the demand of air bed, effectively prevent the emergence of compressive damage during general anesthesia postoperative patient anesthesia recovery and in the transportation, also be applicable to emergency call rescue room and 120 first aid transportation simultaneously.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a pressure damage prevention mattress used on a flat car.
Background
Pressure injury is a common problem faced by global health care institutions, and not only can bring great pain to patients and seriously reduce the quality of life, but also increases medical cost and consumes a large amount of medical resources. The operation patients are high risk group of pressure injury, and the incidence rate is as high as 4.7% -66.0%. The general anesthesia patient after the operation generally experiences 60 ~ 80min anesthesia recovery time on the flatcar, because the residual effect of various narcotics and muscle relaxant, plus influence such as malnutrition, the intraoperative long-time braking, operation wound, blood loss and fluid loss and pain, the risk that the patient takes place pressure injury this moment improves greatly. Common methods for preventing pressure injury during anesthesia recovery include: turning over, sponge cushion, elastic foam, silica gel, gel mattress and the like. The disadvantages are that:
1. during the anesthesia recovery period, the vital signs of the patient are unstable, the patient may have life danger at any time, at the moment, the patient is more prone to danger when being moved, and in addition, the patient is difficult to turn over due to the reasons of manpower, space and the like of the anesthesia recovery room.
2. The sponge cushion which is commonly used clinically has poor air permeability, local depressions are easy to form for a long time, sweat, blood and the like of a patient are easy to accumulate, so that not only can the local skin of the patient be wet and the tissue be blood stasis to cause pressure injury, but also nosocomial infection can be caused.
3. The elastic foam, silica gel or gel mattress is not practical due to high price, and is only used by few hospitals in China.
When a human body lies on a bed, different pressures are applied to different parts, the risk of pressure injury is different, ischemic and hypoxic necrosis can occur when the pressure applied to local tissues exceeds the average capillary pressure by 32mmHg, and irreversible histiocyte change can be caused when the pressure exceeds 70mmHg and lasts for 2 hours. Research shows that the maximum pressure of the sacrococcygeal region is 83mmHg, the pressure of the shoulder and heel regions is 32mmHg and 18mmHg respectively, and the pressure injury of the sacrococcygeal region accounts for 70.12% of the total hospital-acquired pressure injury. The patient on the flat car can only lie on a flat position, so the risk of pressure injury on the sacrococcygeal region of the patient on the flat car is obviously higher than that of other parts, in addition, different patients have different body types and different body required supporting pressures, but the pressure injury prevention mattress commonly used in clinic has a fixed shape, the positions of all pressure supporting points after being inflated are also fixed, the experience of the patient is poor, and the effect of preventing the pressure injury is limited; the intelligent air cushion bed with adjustable pressure can adjust the inflated pressure of the air cushion bed according to the pressure of each part of a human body, can effectively prevent pressure damage, but is expensive, poor in practicability and not suitable for clinical application.
In addition, the existing air cushion bed can only use alternating current, and cannot be used when no alternating current or alternating current is cut off, so that the application occasions are limited to a large extent, and if power is cut off in the use process, the mattress cannot be inflated, a patient directly sleeps on a hard bed board, and pressure damage is easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure nature damage prevention and cure mattress that uses on the flatcar, the utility model discloses can satisfy different individualities to the demand of air bed, effectively prevent the emergence of pressure nature damage during general anesthesia postoperative patient anesthesia recovery and in the transportation, also be applicable to emergency call rescue room and 120 first aid transportation simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure nature damage prevention and cure mattress that uses on flatcar, includes flatcar bed board and places the air bed on the flatcar bed board, its characterized in that: the air cushion bed is divided into three areas, two side areas and a middle area, the air pump comprises a first air pump and a second air pump, the electromagnetic valve comprises a first electromagnetic valve and a second electromagnetic valve,
the two side regions include: the air pipes are fixed in air pipe grooves below the strip-shaped air bags, the two groups of air pipes are respectively connected with a first air pump, and the first air pump inflates and exhausts the two groups of strip-shaped air bags in a circulating manner; the strip air bags are flatly laid and installed on the base cloth, and the base cloth is arranged at the bottommost layer of the air cushion bed body; the two ends of the strip-shaped air bag are connected with the base fabric by buttons, and the fixing belts are fastened at the middle part of the strip-shaped air bag;
the middle area comprises an air cushion surface layer and a plurality of independent air bags, the air cushion surface layer is wrapped on the periphery and the upper surface of the air bags, the air bags are alternately arranged in two groups, each air bag is provided with an independent inflation valve, the two groups of air bags are respectively connected with an air pipe through respective inflation valves and are respectively connected with a first electromagnetic valve, a second electromagnetic valve and a second air pump through the air pipes, and the second air pump inflates the two groups of air bags in a circulating manner;
the upper surface of the air cushion surface layer is covered with a film pressure sensor, the film pressure sensor comprises a plurality of pressure sensor units, each pressure sensor unit corresponds to one air bag and can sense the pressure change of the corresponding position on the air cushion bed, the output end of the film pressure sensor is connected with the signal input end of a control device, and the output end of the control device is connected with a first electromagnetic valve, a second electromagnetic valve and a second air pump.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: the strip-shaped air bags are independent, and each strip-shaped air bag can be detached independently.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: the periphery of the surface layer of the air cushion is provided with a plurality of micropores.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: a timer is arranged in the control device.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: a layer of nylon hook belt is arranged below the base fabric and can be mutually connected with a nylon velvet belt on a flat car bed board, and four corners of the base fabric are fixed with flat car railings through tying belts.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: the surface of the air cushion bed is made of PVC waterproof material.
Further, the pressure nature damage prevention and cure mattress that uses on flatcar, its characterized in that: the power supply device consists of a storage battery, a switching power supply, a selective transfer switch and a converter. The storage battery provides 12V direct current, the switching power supply is 220V alternating current input, 12V direct current output, the selection change-over switch can automatically select the storage battery or the switching power supply as a working power supply, and then the direct current provided by the working power supply is converted into the alternating current which can be used by the air cushion bed through the converter.
The utility model discloses a technological effect and advantage:
1. the utility model discloses according to the emergence risk of human each position pressure damage, change the behavior of air bed, in the region that pressure damage risk is little, adopt traditional inflation in turn and carminative mode, in the region that pressure damage risk is big, aerify in turn and on carminative basis, still according to the pressure size adjustment of each position on the air bed degree of aerifing.
2. Compare with the pressure nature damage prevention and cure mattress commonly used clinically, the utility model discloses can satisfy different individualities to the demand of air bed, the emergence of more effective prevention pressure nature damage.
3. Compare with adjustable pressure's intelligent air cushion bed, the utility model discloses economy, practicality, comfortable, effective, not only the cost is cheap, saves resource and cost, can also effectual prevention postoperative patient anesthesia resume and the emergence of pressure nature damage in the transportation, still be applicable to emergency call rescue room and 120 first aid transportation simultaneously.
4. Furthermore, the utility model discloses both can adopt the alternating current power supply, also can use the battery, still can use under the condition that does not have alternating current or alternating current outage.
5. The surface of the mattress is made of PVC waterproof material, and can be wiped by alcohol or chlorine-containing disinfectant after use, and in addition, each strip-shaped air bag can be independently disassembled, so that the mattress is not only simple and convenient to clean, but also can avoid moisture and nosocomial infection.
6. The bottom of the mattress is provided with a layer of nylon hook belt which can be mutually connected with the nylon velvet belt on the flat car bed board, and the four corners of the base fabric are fixed with the flat car railings by the tying belts, so that the air cushion bed can be effectively prevented from sliding.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a front view of the example shown in fig. 1.
FIG. 3 is a block diagram of one embodiment of a power supply apparatus.
Reference numerals: 1-air cushion bed, 11-base fabric, 12-strip air bag, 13-air pipe, 14-button, 15-fixing belt, 16-air cushion surface layer, 17-air bag, 18-film pressure sensor, 2-air pump, first air pump-21, second air pump-22, 3-control device, 4-electromagnetic valve, 41-first electromagnetic valve, 42-second electromagnetic valve, 5-power supply device, 51-storage battery, 52-switching power supply, 53-switching selection switch, 54-converter, 6-nylon hook belt, 7-flat car bed board, 8-nylon velvet belt and 9-lacing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As can be seen from fig. 1 and 2, the pressure damage prevention mattress used on a flatcar includes an air cushion bed 1, an air pump 2, a control device 3, an electromagnetic valve 4, and a power supply device 5, where the size of the air cushion bed 1 is 1900mm × 600mm, a base fabric 11 is at the bottommost layer of the air cushion bed 1, the air cushion bed 1 is divided into three regions, and two regions include: the air bag comprises strip-shaped air bags 12 and air pipes 13, wherein each area is respectively provided with seven strip-shaped air bags 12, the strip-shaped air bags 12 are flatly laid on the base fabric 11 and are alternately arranged in two groups, the first group of strip-shaped air bags 121, 123 and 125 … are communicated with the air pipe 131, the second group of strip-shaped air bags 122, 124 and 126 … are communicated with the air pipe 132, the air pipe 13 is fixed in an air pipe groove below the strip-shaped air bags 12, the two groups of air pipes 131 and 132 are respectively connected with a first air pump 21, and the first air pump 21 performs inflation and exhaust on the two. The two ends of the strip-shaped air bag 12 are connected with the base fabric 11 by buttons 14, and the fixing belt 15 is tightly buckled at the middle part of the strip-shaped air bag 12.
The middle area of the air cushion bed 1 comprises an air cushion surface layer 16 and a plurality of independent air bags 17, the air cushion surface layer 16 is wrapped around and on the upper surface of the air bags 17, the air bags 17 are divided into two groups which are alternately arranged, each air bag 17 is provided with a separate inflation valve, the odd air bags 171, 173, 175, 177, 179 … are communicated with an air pipe 133 through the inflation valves and are connected with a first electromagnetic valve 41 and a second air pump 22 through the air pipe 133, the even air bags 172, 174, 176, 178 … are communicated with the air pipe 134 through the inflation valves and are connected with a second electromagnetic valve 42 and a second air pump 22 through the air pipe 134, and the second air pump 22 alternately inflates the two groups of air bags 17 every 8 minutes. The membrane pressure sensor 18 covers the upper surface of the air cushion surface layer 16 and comprises a plurality of pressure sensor units, each pressure sensor unit corresponds to each air bag 17 and can sense the pressure change of the corresponding position on the air cushion bed, the output end of the membrane pressure sensor 18 is connected with the signal input end of the control device 3, and the output end of the control device 3 is connected with the electromagnetic valve 4 and the second air pump 22.
When the air cushion bed 1 is in the working state, the control device 3 controls the first electromagnetic valve 41 to be opened, the second electromagnetic valve 42 to be closed, the second air pump 22 starts to charge the odd number air bags, the control device 3 contains a timer, the time is counted after the air charge is started, after 8 minutes, the first electromagnetic valve 41 is closed, the second electromagnetic valve 42 is opened, the even number air bags start to charge, at the moment, the odd number air bags start to slowly exhaust, and the operation is repeated in a circulating mode. Meanwhile, when the air bags 17 are in an inflation state, each membrane pressure sensor 18 can sense the pressure of the corresponding position on the air cushion bed and transmit an electric signal to the control device 3, the control device 3 processes the electric signal sent by the membrane pressure sensor 18 and controls the inflation degree of each air bag 17 by the second air pump 22 according to the pressure of each position, the second air pump 22 is divided into six gears, the larger the gear is, the larger the inflation quantity is, the higher the pressure is, the larger the inflation quantity is, the lower the pressure is, and the inflation quantity is lower by the second air pump 22.
Patient can only the position of lying on the flatcar, and the sacrococcygeal portion takes place pressure nature damage risk and is showing and be higher than other positions this moment, the utility model discloses adopt traditional inflation in turn and carminative method in the region that pressure nature damage risk is little (both sides region), on the basis of inflating in turn and carminative in region (middle zone) that pressure nature damage risk is big, still according to the pressure size regulation mattress that each position of health received degree of inflating. Compare with clinical pressure nature damage prevention and cure mattress commonly used and adjustable pressure's intelligent air bed, the utility model discloses economy, practicality, comfortable, effective not only save cost and resource, but also can satisfy different individualities to the demand of air bed, more effectively must prevent the emergence of pressure nature damage during the anesthesia recovery of general anesthesia postoperative patient and in the transportation, still can be used to emergency call rescue room and 120 first aid transportation simultaneously.
Specifically, the strip-shaped air bags 12 are independent, and each strip-shaped air bag 12 can be independently detached.
Specifically, a plurality of micropores are arranged around the air cushion surface layer 16.
Specifically, a layer of nylon hook belt 6 is arranged below the base fabric 11 and can be mutually connected with a nylon velvet belt 8 on a flat car bed plate 7, and the four corners of the base fabric are fixed with flat car railings through tying belts 9, so that the air cushion bed can be effectively prevented from sliding.
Specifically, the surface of the air cushion bed 1 is made of PVC waterproof material, and can be wiped by alcohol or a disinfectant containing chlorine after use, so that the cleaning is simple and convenient.
Referring to fig. 3, the power supply device 5 includes a battery 51, a switching power supply 52, a selection switch 53 and a converter 54. The storage battery 51 supplies 12V direct current as the working power supply, the switching power supply 52 inputs 220V alternating current and outputs 12V direct current as the working power supply, the selection switch 53 can automatically select the storage battery 51 or the switching power supply 52 as the working power supply, and then the 12V direct current is converted into 12V 50HZ alternating current through the converter 54 and supplied to the air pump 2, the control device 3, the electromagnetic valve 4 and the whole air cushion bed 1.
The utility model discloses both can use the alternating current, also can use the battery, and application range is very extensive, still can use under the condition that does not have alternating current or alternating current outage.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a pressure nature damage prevention and cure mattress that uses on flatcar, includes flatcar bed board (7) and places air bed (1) on flatcar bed board (7), its characterized in that: the air cushion bed is characterized by further comprising an air pump (2), a control device (3), an electromagnetic valve (4) and a power supply device (5), wherein the air cushion bed (1) is divided into three areas, two side areas and a middle area, the air pump (2) comprises a first air pump (21) and a second air pump (22), the electromagnetic valve (4) comprises a first electromagnetic valve (41) and a second electromagnetic valve (42),
the two side regions include: the air bag comprises strip air bags (12) and air pipes (13), wherein the strip air bags (12) are alternately arranged in two groups, each group of strip air bags (12) is communicated with one air pipe (13), the air pipes (13) are fixed in air pipe grooves below the strip air bags (12), the two groups of air pipes (13) are respectively connected with a first air pump (21), and the first air pump (21) circularly inflates and exhausts the two groups of strip air bags (12); the strip-shaped air bags (12) are flatly laid and installed on the base cloth (11), and the base cloth (11) is arranged on the bottommost layer of the air cushion bed (1); two ends of the strip-shaped air bag (12) are connected with the base cloth (11) by buttons (14), and the fixing belt (15) is tightly buckled at the middle part of the strip-shaped air bag (12);
the middle area comprises an air cushion surface layer (16) and a plurality of independent air bags (17), the air cushion surface layer (16) is wrapped on the periphery and the upper surface of the air bags (17), the air bags (17) are arranged alternately in two groups, each air bag (17) is provided with an independent inflating valve, the two groups of air bags (17) are respectively connected with an air pipe (13) through respective inflating valves and are respectively connected with a first electromagnetic valve (41), a second electromagnetic valve (42) and a second air pump (22) through the air pipe (13), and the second air pump (22) inflates the two groups of air bags (17) in turn;
the upper surface of the air cushion surface layer (16) is covered with a membrane pressure sensor (18), the membrane pressure sensor (18) comprises a plurality of pressure sensor units, each pressure sensor unit corresponds to one air bag (17), the output end of the membrane pressure sensor (18) is connected with the signal input end of the control device (3), and the output end of the control device (3) is connected with the first electromagnetic valve (41), the second electromagnetic valve (42) and the second air pump (22).
2. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: the strip-shaped air bags (12) are independent, and each strip-shaped air bag (12) can be detached independently.
3. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: the periphery of the air cushion surface layer (16) is provided with a plurality of micropores.
4. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: a timer is arranged in the control device (3).
5. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: a layer of nylon hook belt (6) is arranged below the base cloth (11) and can be mutually connected with a nylon velvet belt (8) on a flat car bed plate (7), and four corners of the base cloth (11) are fixed with flat car railings through tying belts (9).
6. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: the surface of the air cushion bed (1) is made of PVC waterproof material.
7. A pressure injury control mattress for use on a flatcar as claimed in claim 1 wherein: the power supply device (5) is composed of a storage battery (51), a switching power supply (52), a selection transfer switch (53) and a converter (54), wherein the storage battery (51) provides 12V direct current, the switching power supply (52) is 220V alternating current input and 12V direct current output, the selection transfer switch (53) can automatically select the storage battery (51) or the switching power supply (52) as a working power supply, and then the converter (54) converts the direct current provided by the working power supply into alternating current which can be used by the air cushion bed (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577713.2U CN209933221U (en) | 2019-04-25 | 2019-04-25 | Pressure damage prevention mattress used on flat car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577713.2U CN209933221U (en) | 2019-04-25 | 2019-04-25 | Pressure damage prevention mattress used on flat car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209933221U true CN209933221U (en) | 2020-01-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920577713.2U Withdrawn - After Issue CN209933221U (en) | 2019-04-25 | 2019-04-25 | Pressure damage prevention mattress used on flat car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209933221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998795A (en) * | 2019-04-25 | 2019-07-12 | 西安交通大学医学院第一附属医院 | The pressure injury prevention and treatment mattress used on flatcar |
| CN114831843A (en) * | 2022-03-26 | 2022-08-02 | 王继民 | Retina postoperative rehabilitation chair |
-
2019
- 2019-04-25 CN CN201920577713.2U patent/CN209933221U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998795A (en) * | 2019-04-25 | 2019-07-12 | 西安交通大学医学院第一附属医院 | The pressure injury prevention and treatment mattress used on flatcar |
| CN109998795B (en) * | 2019-04-25 | 2023-11-21 | 西安交通大学医学院第一附属医院 | Pressure injury prevention and treatment mattress used on flatcar |
| CN114831843A (en) * | 2022-03-26 | 2022-08-02 | 王继民 | Retina postoperative rehabilitation chair |
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