CN114795742A - Detection spacer for preventing pressure sores - Google Patents
Detection spacer for preventing pressure sores Download PDFInfo
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- CN114795742A CN114795742A CN202210753966.7A CN202210753966A CN114795742A CN 114795742 A CN114795742 A CN 114795742A CN 202210753966 A CN202210753966 A CN 202210753966A CN 114795742 A CN114795742 A CN 114795742A
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- 208000004210 Pressure Ulcer Diseases 0.000 title claims abstract description 79
- 206010011985 Decubitus ulcer Diseases 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 29
- 230000002265 prevention Effects 0.000 claims abstract description 61
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 34
- 230000006378 damage Effects 0.000 claims abstract description 34
- 208000014674 injury Diseases 0.000 claims abstract description 32
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 16
- 238000013480 data collection Methods 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 208000031074 Reinjury Diseases 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 21
- 239000012528 membrane Substances 0.000 description 12
- 238000009530 blood pressure measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 208000002720 Malnutrition Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001071 malnutrition Effects 0.000 description 1
- 235000000824 malnutrition Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 208000015380 nutritional deficiency disease Diseases 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- General Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a pressure sore prevention detection spacer, which belongs to the technical field of intelligent spacers and comprises a pressure sore prevention detection spacer, wherein the pressure sore prevention detection spacer comprises a pressure sore prevention inner pad and a pressure sore prevention outer pad, the pressure sore prevention inner pad and the pressure sore prevention outer pad are connected, an inner cavity of the pressure sore prevention outer pad is divided into a plurality of independent air cushion cavities through a separation assembly, and the air cushion cavities are connected with an air pressure control assembly and used for controlling each air cushion cavity. The pressure sore prevention detection spacer provided by the invention can be used for pertinently adjusting the pressure value of the air cushion cavity bearing each part according to different body positions and injuries of different degrees and according to the trunk, four limbs or head of a patient, and the pressure of each air cushion cavity can be automatically adjusted through subsequent injury input and adopted body position input of the patient, so that the problem of pressure sore when the patient lies on the spacer is solved, the treatment experience of a doctor is converted into a database form, and treatment is realized through an intelligent means.
Description
Technical Field
The invention relates to the technical field of intelligent spacers, in particular to a pressure sore prevention detection spacer.
Background
At present, for patients who have mobility disabilities and need to lie in a hospital bed for a long time, pressure sores are easy to generate on the sacral coccyx, are also called bedsores and pressure ulcers, are caused by long-term pressure on local tissues of the patients and blood circulation disturbance, so that the local tissues are subjected to continuous ischemia, hypoxia and malnutrition to cause tissue ulceration and necrosis, and even cause other complications, so that the pain of the patients is increased, and certain economic burden is also caused. In the prior art, a patient is turned over at intervals or an electric air cushion is arranged at the bottom of the patient, but frequent turning not only increases the working strength of nursing personnel, but also increases the discomfort of the patient, and even scratches the skin of the patient to infect bacteria, thereby causing other adverse conditions; in addition, the electric air cushion is not only high in cost, but also poor in comfort.
CN201922423829.3 discloses an inflatable pressure sore pad with a water circulation structure, wherein after an inflation region of the inflation pad layer is inflated through an inflation pad layer, the inflation region is inflated and lifted under the action of a pressure raising and raising module line, so that the back of a person is supported to realize sitting and standing, massage air columns and the inflation region of the inflation pad layer are inflated intermittently, the body surface of the patient can be massaged through the massage air columns and massage air bags, and the formation of pressure sores is effectively avoided by matching with circulating water flowing in a water pipe;
aerify through two wing boards of aerifing alone to inflatable packer layer for inflatable packer layer is aerifyd and is taken place the uplift, makes things convenient for medical personnel to stand up to patient, reduces medical personnel daily nursing working strength to the patient, and the handle that is provided with is convenient for transport the patient of lying on pressing the sore pad, through the box that sets up, conveniently to pressing taking in of sore pad, is convenient for press the use of sore pad.
There are the following problems:
1) because the injury conditions of different patients are different and the adopted body positions are also different, the positions where pressure sores are generated are also different, and the pressure sores are not adjusted according to different conditions in the prior art;
2) the doctor can in time adjust to aerify or deflate according to the patient's condition, and under the too much condition of number, the doctor can not in time adjust, then can't turn into the reasonable scope data display of pressure with the clinical experience of doctor to pressing the sore, and can't use on a large scale.
Disclosure of Invention
The invention aims to provide a pressure sore prevention detection spacer, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure sore prevention detection spacer comprises a pressure sore prevention inner pad and a pressure sore prevention outer pad which are connected with each other;
the pressure sore prevention outer cushion inner cavity is divided into a plurality of independent air cushion cavities by a separation assembly, and the air cushion cavities are connected with the air pressure control assembly and used for controlling each air cushion cavity;
wherein, prevent pressing and be equipped with pressure measurement subassembly in the sore for pressure data on the sore outer pad is prevented pressing in the detection, and pressure measurement subassembly meets with the data collection station of outside setting, and pressure data for gathering sends to external display device through wireless or bluetooth.
Furthermore, prevent pressing sore outer mattress for the air cushion bed structure, separate the subassembly including separating horizontal membrane and separating the vertical membrane, separate horizontal membrane and separate the vertical membrane and connect the inner chamber that is used for separating to prevent pressing sore outer mattress.
Furthermore, the air pressure control assembly comprises an upper air seat interface, a lower air seat interface, an inner air pipe, an outer air pipe, an air pump and a pipeline opening and closing control part, wherein the upper air seat interface is embedded on the pressure sore prevention outer cushion in a sealing manner, one part of the upper air seat interface is positioned outside the pressure sore prevention outer cushion, and the other part of the upper air seat interface is positioned inside the pressure sore prevention outer cushion;
the number of the inner air pipes is the same as that of the air cushion cavities and is arranged inside the pressure sore prevention outer cushion, one end of each inner air pipe is connected to the upper air seat interface, the other end of each inner air pipe is communicated with the corresponding air cushion cavity and is used for keeping the upper air seat interface communicated with each air cushion cavity, and the pipeline opening and closing control part is arranged in the upper air seat interface and is used for changing the air pressure of each air cushion cavity;
the lower air seat interface is arranged in a groove formed in the pressure sore prevention inner cushion, wherein an outer air pipe connected to the lower air seat interface is connected with an air pump, and air is injected into or pumped out of any one air cushion cavity through the air pump to change the pressure.
Furthermore, a threaded part is arranged on the outer side of the bottom end of the upper air seat interface, a ring of ring groove is arranged on the outer side of the top end of the lower air seat interface, a rotary sealing sleeve is sleeved on the ring groove, the upper air seat interface is rotatably connected with the lower air seat interface, and a sealing ring on the sealing sleeve is abutted to the port of the upper air seat interface and used for sealing the upper air seat interface and the lower air seat interface;
the pipeline opening and closing control component comprises an annular outer ring, a conical opening, an annular inner ring, a conical plug, a bracket and a spring;
the annular outer ring is provided with protruding conical openings, the number of the protruding conical openings is the same as that of the inner gas pipe, the annular outer ring is fixed to the inner wall of the upper gas seat interface, the conical openings are embedded into the inner gas pipe, the annular outer ring is fixed to the annular inner ring through a support, the number of side rods penetrating through the annular inner ring along the radial direction is the same as that of the conical openings, the conical plug connected to one end of each side rod is inserted into the conical openings, the spring is sleeved on the side rods, and the two ends of the spring are fixed to the conical plug and the annular inner ring respectively.
Furthermore, the diameter of the connection part of the conical opening and the annular outer ring is small, the conical plug is positioned in the inner gas pipe, and the pulling force of the spring is used for sealing the conical opening by the conical plug.
Furthermore, the pipeline opening and closing control part also comprises a speed reducing motor, an electric lifting rod and a control column, wherein a motor frame outside the speed reducing motor is fixed with the inner wall of the upper air seat interface, a shaft of the speed reducing motor is connected with the electric lifting rod, and the port of the electric lifting rod is connected with the control column;
the control column is provided with a protrusion, wherein the control column moves up and down and is used for pushing the protrusion to abut against the side rod to move in the radial direction, and the protrusion is used for controlling the corresponding inner air pipe to be communicated.
Further, pressure measurement subassembly includes pressure sensor, bracing piece and data transmission line, and pressure sensor is connected with the one end of bracing piece, and the bracing piece setting is in preventing pressing the through-hole at sore inner pad top, and data transmission line runs through bracing piece one end and is connected with pressure sensor, and the other end inserts data collection station.
Furthermore, a pressure sensing module, a database, a data processing module and a wireless transmission module are arranged in the data acquisition unit, the pressure sensing module is connected with the pressure sensor and receives analog signals of pressure data, the pressure sensing module is connected to the data processing module, the data processing module is used for exciting, amplifying, filtering and processing the pressure data and outputting and uploading the processed pressure data to the database;
the database is also wirelessly connected with external equipment, and the external equipment sets different pressures according to air cushion cavity areas corresponding to body positions adopted by patients with different degrees;
pressure databases with different grades are divided according to the injury, the pressure databases are respectively in a slight grade, a moderate grade and a severe grade, three different pressure data layers are established, a doctor inputs the specific body position and the injury degree of a patient lying on the separating pad, the air pump and the pipeline opening and closing control component control the air pump and the pipeline opening and closing control component to adjust the pressure of the air cushion cavity of each area to be within a reasonable range according to the injury and the body position, the pressure sensor detects the pressure change of different areas of the pressure sore prevention outer cushion in real time, whether the pressure intensity is within a reasonable threshold value or not, and transmits the pressure signal value to the data acquisition unit, wherein, the pressure sensor is set with detection values by different body positions and skin environments of human body, and can remind early warning when reaching a preset value, or the air cushion cavity in the area corresponding to the pipeline opening and closing control part is decompressed, and the data processing module uploads the content of the database to the display equipment through the wireless transmission module.
Further, the pressure of the air cushion chamber of each zone is determined by:
firstly, determining a first parameter value x corresponding to the injury degree of a patient;
then determining each region corresponding to the actual body position of the patient, and determining a second parameter value y of each region corresponding to the actual part of the patient;
calculating the adjustment coefficient of the pressure of the air cushion chamber of each area
：
Wherein ln is a logarithmic function with a mathematical constant e as a base;
calculating the pressure P of the air cushion cavity of each area:
wherein,
the initial pressure of the air cushion cavity of each area after being filled with air is obtained.
Furthermore, the end face of the lower gas seat interface is provided with a butting ring for increasing the connection pre-tightening force of the sealing sleeve and the upper gas seat interface, and the end face of the upper gas seat interface is provided with a butting groove;
a notch is formed in the abutting ring along the radial direction of the abutting ring, two end parts of the abutting ring are formed at the notch, the first end part is fixed on the end face of the lower air seat interface, and the second end part tilts towards the direction of the end face far away from the lower air seat interface;
the surface of the abutting ring, which is far away from the lower air seat interface, is provided with a plurality of arc-shaped grooves, the bottom surfaces of the arc-shaped grooves are obliquely arranged along the circumferential direction of the arc-shaped grooves, a limiting groove is arranged between every two adjacent arc-shaped grooves, elastic abutting blocks are arranged in the arc-shaped grooves, limiting blocks are arranged in the limiting grooves, and the elastic abutting blocks and the limiting blocks can be accommodated in the abutting grooves;
all be equipped with a plurality of grafting blocks on the terminal surface of two tip of butt joint ring, the surface of grafting block is equipped with a plurality of bulges, a plurality of grafting blocks on the first end and a plurality of grafting blocks on the second end set up in a staggered way.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the pressure sore prevention detection spacer, pressure databases with different grades are divided according to the injury, the pressure databases are respectively in a slight grade, a moderate grade and a severe grade, three different pressure data layers are established, a doctor inputs the specific body position and the injury degree of a patient lying on the spacer, pressure changes of different areas of the pressure sore prevention outer spacer are detected in real time through a pressure sensor, whether the pressure intensity is within a reasonable threshold value is detected, a pressure signal value is transmitted to a data acquisition unit, and pressure data are displayed in a visual and intuitive mode through the data acquisition unit.
2. The invention provides a pressure sore prevention detection spacer, wherein detection values are set for pressure sensors in different body positions and skin environments of a human body, early warning can be reminded when a preset value is reached, or pressure reduction action is carried out on an air cushion cavity in a region corresponding to a pipeline opening and closing control part, injury conditions of different degrees can be pertinently carried out according to different body positions, the pressure value of the air cushion cavity bearing each part can be adjusted according to the trunk, four limbs or the head of a patient, the pressure of each air cushion cavity can be automatically adjusted through subsequent injury condition input and adopted body position input of the patient, the problem of pressure sore when the patient lies on the spacer is solved, the treatment experience of a doctor is converted into a database mode, and treatment is realized through an intelligent means.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an internal structure of the pressure sore prevention outer cushion of the present invention;
FIG. 3 is a block diagram of the pressure sensing assembly of the present invention;
FIG. 4 is a connection diagram of the upper air mount interface and the lower air mount interface of the present invention;
FIG. 5 is a side view of the air pressure control assembly of the present invention;
FIG. 6 is a top view of the air pressure control assembly of the present invention;
FIG. 7 is a partial block diagram of the pneumatic control assembly of the present invention;
FIG. 8 is a schematic view of a non-conducting air cushion chamber of the air pressure control assembly of the present invention;
FIG. 9 is a schematic view of the chamber of the air cushion of the air pressure control assembly of the present invention;
FIG. 10 is a diagram of another embodiment of a control column of the present invention;
FIG. 11 is a block diagram of a data collector of the present invention;
FIG. 12 is a view of the mounting structure of the abutment ring of the present invention;
FIG. 13 is a view of the structure of the abutment ring of the present invention;
FIG. 14 is a view of the structure of the abutment ring of the present invention;
FIG. 15 is a view of the notch configuration of the abutment ring of the present invention.
In the figure: 1. an anti-pressure sore inner cushion; 2. an external pad for preventing pressure sores; 3. a pressure detection assembly; 31. a pressure sensor; 32. a support bar; 33. a data transmission line; 4. a data acquisition unit; 41. a pressure sensing module; 42. a database; 43. a data processing module; 44. a wireless transmission module; 5. a partition assembly; 51. separating the transverse membranes; 52. separating longitudinal membranes; 6. a pneumatic control assembly; 61. an upper air seat interface; 62. a lower air seat interface; 621. sealing sleeves; 63. an inner trachea; 64. an outer trachea; 65. an air pump; 66. a duct opening/closing control part; 661. an annular outer ring; 662. a tapered mouth; 663. an annular inner ring; 664. a conical plug; 665. a support; 666. a spring; 667. a reduction motor; 668. an electric lifting rod; 669. a control column; 7. a butting ring; 710. cutting; 720. an arc-shaped slot; 730. a limiting groove; 740. an elastic abutting block; 750. a limiting block; 760. an insertion block; 761. a projection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a pressure sore prevention detection spacer comprises an inner pressure sore prevention pad 1 and an outer pressure sore prevention pad 2, wherein the inner pressure sore prevention pad 1 and the outer pressure sore prevention pad 2 are connected.
Prevent pressing in the sore in this embodiment to fill up 1 and prevent pressing the sore outer pad 2 and adopt detachable connected mode, for example, the zip fastener, the rope is tied up, or modes such as magic subsides, through preventing pressing in the sore fill up 1 and prevent pressing the sore outer pad 2 can the dismouting, then prevent pressing in the sore fill up 1 and prevent pressing the sore outer pad 2 single when taking place to damage, also can reach reduce cost's purpose when changing, also convenient maintain and change pneumatic control subassembly 6 simultaneously, avoid adopting the integral type, inside takes place to damage, and prevent pressing in the sore fill up 1 can't tear prosthetic problem.
The inner cavity of the pressure sore prevention outer cushion 2 is divided into a plurality of independent air cushion cavities by a dividing assembly 5, a sensor for detecting pressure is arranged in each air cushion cavity, the air cushion cavities are connected with an air pressure control assembly 6 and used for controlling each air cushion cavity, and the whole air cushion is divided into different areas by the arranged air cushion cavities, wherein the pressure of the different areas can be adjusted according to different body positions, so that a single air cushion is avoided, the whole air cushion is pressurized when pressurized, the whole pressure is reduced when reduced, and the effects of local pressurization and local pressure reduction cannot be realized;
wherein, prevent pressing and be equipped with pressure measurement subassembly 3 on the sore internal pad 1, a pressure data on 2 outer pads of sore for the detection prevents pressing, and pressure measurement subassembly 3 meets with the data collection station 4 of outside setting, a pressure data that is used for the collection sends to external display device through wireless or bluetooth, upload to data collection station 4 through pressure measurement subassembly 3 with the pressure data of every region of the patient of what kind of position adopted, data acquisition station 4 carries out the display pressure data on display device after the analog-to-digital conversion to the data of gathering, can audio-visually see the pressure data of different regional air cushion chambeies, then can in time adjust the pressure size of every region, thereby the production of sore is pressed in the prevention.
Example two:
referring to fig. 2-4, the present embodiment is different from the first embodiment in that the present embodiment realizes the whole inflation or the inflation and deflation of a single air cushion chamber through the air pressure control assembly 6.
Prevent pressing sore outer mattress 2 and be the air cushion bed structure, adopt the structure of air cushion bed can realize inwards aerifing or deflating, adjust the pressure of air cushion bed, separate subassembly 5 including separating horizontal membrane 51 and separating vertical membrane 52, separate horizontal membrane 51 and separate vertical membrane 52 and connect the inner chamber that is used for separating to prevent pressing sore outer mattress 2, separate horizontal membrane 51 and separate vertical membrane 52 and adopt rubber diaphragm rubber film sealing product, rubber diaphragm, its material has the ability of deformation.
The air pressure control assembly 6 comprises an upper air seat interface 61, a lower air seat interface 62, an inner air pipe 63, an outer air pipe 64 and an air pump 65, wherein the upper air seat interface 61 is embedded on the pressure sore prevention outer cushion 2 in a sealing manner, one part of the upper air seat interface 61 is positioned outside the pressure sore prevention outer cushion 2, the other part of the upper air seat interface 61 is positioned inside the pressure sore prevention outer cushion 2, and the upper air seat interface 61 is used as a channel for communicating the outside and the inside of the pressure sore prevention outer cushion 2;
the number of the inner air pipes 63 is the same as that of the air cushion cavities and is arranged inside the anti-pressure sore outer cushion 2, one end of each inner air pipe 63 is connected to the upper air seat interface 61, the other end of each inner air pipe 63 is communicated with the corresponding air cushion cavity, the upper air seat interface 61 is communicated with each air cushion cavity, the pipeline opening and closing control component 66 is arranged in the upper air seat interface 61 and is used for changing the air pressure of each air cushion cavity, a circle of inner air pipes 63 are arranged outside the upper air seat interface 61, the number of the inner air pipes 63 is set according to the requirements of a user, each inner air pipe 63 is of a flexible structure and has deformation capacity, the air introduced into the upper air seat interface 61 can flow into the corresponding air cushion cavity through the inner air pipes 63 through the plurality of the inner air pipes 63, meanwhile, the inner air pipes 63 are arranged in a thinner structure, and when the whole separation cushion is folded, the inner air pipes 63 can also be folded;
the lower air seat interface 62 is arranged in a groove formed in the pressure sore prevention inner cushion 1, wherein an outer air pipe 64 connected to the lower air seat interface 62 is connected with an air pump 65, air is injected into or pumped out of any one air cushion cavity through the air pump 65 to change the pressure, the air pump 65 is arranged through electric control, and the rotation speed of an impeller in the air pump 65 is adjusted according to an input instruction signal.
The outer side of the bottom end of the upper air seat interface 61 is provided with a threaded part, the outer side of the top end of the lower air seat interface 62 is provided with a ring of annular groove, the annular groove is sleeved with a rotary sealing sleeve 621, the upper air seat interface 61 is rotatably connected with the lower air seat interface 62, a sealing ring on the sealing sleeve 621 abuts against the port of the upper air seat interface 61 and is used for sealing the upper air seat interface 61 and the lower air seat interface 62, in the embodiment, the sealing sleeve 621 rotates on the lower air seat interface 62, when the upper air seat interface 61 and the lower air seat interface 62 are connected with each other, the upper air seat interface 61 and the lower air seat interface 62 are combined together through the rotary sealing sleeve 621, and a plurality of sealing rings are further arranged in the sealing sleeve 621, so that the sealing performance after the upper air seat interface 61 and the lower air seat interface 62 are connected is guaranteed;
in the embodiment, the air pump 65 injects air into the outer air tube 64, so that the air generated in the outer air tube 64 flows into the inner air tube 63 along the upper air seat interface 61 and the lower air seat interface 62, and finally flows into the whole air cushion chamber, each air cushion chamber is connected with the pressure sensor 31, the pressure sensor 31 is used for acquiring the pressure of each air cushion chamber and uploading the pressure to the display device in real time through the data transmission line 33, the external display device can intuitively know the pressure of each air cushion chamber, a doctor inputs the corresponding air cushion chamber pressure value on the platform controlling the air pump 65 according to the injury state of different patients, the air pump 65 inflates or evacuates air inwards, adjusts the pressure data of the air cushion chamber to the pressure data of the instruction input by the doctor, thereby preventing the generation of pressure sores, and the pressure sensor 31 of the air cushion chamber feeds back in real time, when detecting the pressure change of the air cushion chamber, exceeding the set threshold, as shown in table one;
table pressure threshold values of different injuries
| Injury condition | Minimum pressure (pa) | Maximum pressure (pa) |
| Light and slight | 750 | 800 |
| Of moderate degree | 690 | 720 |
| Severe severity of disease | 630 | 670 |
For a mild patient, if the data collected by the pressure sensor 31 is at 810pa, the maximum pressure is exceeded, and the alarm is given to extract the air cushion chamber pressure until the data stops within a reasonable threshold range.
Example three:
referring to fig. 5-9, the present embodiment is different from the second embodiment in that the duct opening/closing control part 66 can also adjust the pressure of each air cushion chamber individually in an automatic manner.
The pipe opening and closing control member 66 includes an annular outer ring 661, a tapered port 662, an annular inner ring 663, a tapered plug 664, a bracket 665, and a spring 666;
the annular outer ring 661 is provided with raised conical openings 662 in the same number as the inner gas pipe 63, the annular outer ring 661 is fixed on the inner wall of the upper air seat interface 61, the conical openings 662 are embedded in the inner gas pipe 63, wherein the annular outer ring 661 covers the port of the inner gas pipe 63, only the conical openings 662 are communicated with the inner gas pipe 63, the annular outer ring 661 is fixed with the annular inner ring 663 through a bracket 665, the annular outer ring 661 and the annular inner ring 663 are made to form a concentric circle structure through the arrangement of the bracket 665, the number of side rods penetrating through the annular inner ring 663 in the radial direction is the same as that of the conical openings 662, the conical plug 664 connected to one end of each side rod is inserted into the conical opening 662, the spring 666 is sleeved on each side rod, wherein the two ends of the spring 666 are respectively fixed with the conical plug 664 and the annular inner ring 663, and when the conical plug 664 moves, the spring 666 deforms.
The diameter of the connection part of the conical opening 662 and the annular outer ring 661 is small, the conical plug 664 is positioned in the inner air pipe 63, the pulling force of the spring 666 is used for the conical plug 664 to seal the conical opening 662, and through the arrangement of the conical shape, when the air is not inflated, the pressure generated in the air cushion cavity acts on the conical plug 664, and the generated pressure can seal the conical opening 662 more tightly.
The duct opening and closing control part 66 further comprises a speed reducing motor 667, an electric lifting rod 668 and a control column 669, wherein a motor frame outside the speed reducing motor 667 is fixed with the inner wall of the upper air seat interface 61, the shaft of the speed reducing motor 667 is connected with the electric lifting rod 668, and the port of the electric lifting rod 668 is connected with the control column 669;
the control column 669 is provided with a protrusion, wherein the control column 669 moves up and down for the protrusion to abut against the side rod to move radially for controlling the conduction of the corresponding inner air pipe 63, wherein, the control column 669 is provided with 1 arc-shaped bulge, when which air cushion cavity is needed to be communicated, the decelerating motor 667 drives the electric lifting rod 668 and the control column 669 to rotate synchronously, so as to move the arc-shaped protrusion right above the side rod which is correspondingly conducted, the electric lifting rod 668 drives the control column 669 to move, the arc-shaped bulge slowly pushes against the side rod to move outwards, the conical plug 664 is separated from the conical opening 662, the air pump 65 selects air suction or air injection according to the instruction signal, the pressure of the corresponding air cushion cavity is adjusted, after the pressure is adjusted to the designated pressure, the arc-shaped protrusion moves along with the electric lifting rod 668, the pulling force of the spring 666 is matched with the pressure inside the air cushion cavity, the conical plug 664 seals the conical opening 662, and the pressure control of each air cushion cavity is completed.
Example four:
referring to fig. 10, the difference between the present embodiment and the second embodiment lies in that the control column 669 can integrally control the on/off of the air cushion chamber, and can also realize the on/off of a designated single air cushion chamber.
The control column 669 is provided with upper and lower protrusions, one of the protrusions is a single arc protrusion, the other protrusion is a plurality of groups of arc protrusions surrounding into a circle, and the number of the protrusions is set according to the number of the side rods.
When the whole air cushion cavity needs to be controlled to be communicated, the plurality of groups of arc-shaped protrusions wound into a circle move towards the side rod and slowly lean against the side rod to move outwards, the conical plug 664 and the conical opening 662 are separated, the whole air cushion cavity is communicated, and then the whole air cushion cavity is conveniently inflated or exhausted, so that the efficiency is improved.
When the single control air cushion cavity is required to be conducted, the control mode is the same as that of the fourth embodiment, and in this embodiment, the speed reduction motor 667 drives the electric lifting rod 668 to rotate once by a set angle, and the set angle is the included angle between the adjacent side rods, so that the position where the side rods can be jacked up by the control rod 669 is always maintained no matter whether the control rod 669 rotates forwards or backwards.
Example five:
referring to fig. 11, the fourth difference between the present embodiment and the present embodiment lies in that a control air pump 65 and a pressure detecting assembly 3 for recording and analyzing pressure values are added.
Pressure measurement subassembly 3 includes pressure sensor 31, bracing piece 32 and data transmission line 33, and pressure sensor 31 is connected with the one end of bracing piece 32, and bracing piece 32 sets up in the through-hole at the pad 1 top in preventing pressing sore, and data transmission line 33 runs through bracing piece 32 one end and is connected with pressure sensor 31, and the other end inserts data collection station 4.
The data acquisition unit 4 is internally provided with a pressure sensing module 41, a database 42, a data processing module 43 and a wireless transmission module 44, wherein the pressure sensing module 41 is connected with the pressure sensor 31 and receives an analog signal of pressure data, the pressure sensing module 41 is connected to the data processing module 43, the data processing module 43 is used for exciting, amplifying, filtering and processing the pressure data and outputting and uploading the processed pressure data to the database 42;
the database 42 is also connected with an external device in a wireless way, and the external device sets different pressures according to the air cushion cavity areas corresponding to the body positions adopted by the patients with different degrees;
the pressure database 42 with different grades is divided according to the injury, the three grades are respectively light, moderate and severe, three different pressure data layers are established, the doctor inputs the specific body position and the injury degree of the patient lying on the separating pad, the air pump 65 and the pipeline opening and closing control component 66 control the air pump 65 and the pipeline opening and closing control component 66 to adjust the pressure of the air cushion cavity of each area to be within a reasonable range according to the injury and the body position, the pressure sensor 31 detects the pressure change of different areas of the pressure sore prevention outer cushion 2 in real time, whether the pressure intensity is within a reasonable threshold value or not, and transmits the pressure signal value to the data acquisition unit 4, wherein, the pressure sensor 31 is set with detection values by different body positions and skin environments of human body, and can remind early warning when reaching a preset value, or the air cushion chamber in the area corresponding to the pipeline opening and closing control part 66 is depressurized, and the data processing module 43 uploads the content of the database 42 to the display device through the wireless transmission module 44.
The pressure of the air cushion chamber of each zone is determined by:
firstly, determining a first parameter value x corresponding to the injury degree of a patient; the first parameter value corresponds to the degree of the injury of the patient, for example, the degree of the injury of the patient is high and corresponds to one value, the degree of the injury of the patient is low and corresponds to one value, the degree of the injury of the patient can be divided into a plurality of levels according to actual conditions, and the degree of the injury of each level corresponds to one first parameter value;
then determining each region corresponding to the actual body position of the patient, and determining a second parameter value y of each region corresponding to the actual part of the patient; the second parameter value corresponds to the wounded diseased part of the patient, and each actual part of the patient corresponds to one second parameter value;
calculating the adjustment coefficient of the pressure of the air cushion chamber of each area
：
Wherein ln is a logarithmic function with a mathematical constant e as a base;
calculating the pressure P of the air cushion cavity of each area:
wherein,
is the initial pressure of the air cushion chamber for each zone.
According to the method, the injury degree of the patient and the actual body position of the patient correspond to specific parameter values, the parameter values are set to be larger when the injury degree of the patient is more serious, the actual body position of the patient is set to be in a lying state and a lying state, the parameter values of different parts of the patient are correspondingly set according to different body positions of the lying state and the lying state, and the parameter values are larger when the body part bears larger weight; therefore, the corresponding parameter value can be input according to the condition of the patient, the adjustment coefficient is calculated, then the actual pressure of the air cushion cavity of each area required by the patient is calculated through the initial pressure in the air cushion cavity, the pressure of the air cushion cavity of each area is adjusted through the air pump 65 and the pipeline opening and closing control component 66, the automatic adjustment of the pressure of each area can be more accurately realized by taking the injury degree and the actual body position of the patient as the adjusted parameters, and the problem that the pressure sore cannot appear when the patient lies on the separating pad is guaranteed.
Example six:
referring to fig. 12 to 15, an abutting ring 7 for increasing the connection pre-tightening force between the sealing sleeve 621 and the upper air seat interface 61 is disposed on the end surface of the lower air seat interface 62, and an abutting groove is disposed on the end surface of the upper air seat interface 61;
a notch 710 is formed in the abutting ring 7 along the radial direction of the abutting ring, and two end portions of the abutting ring 7 are formed at the notch 710, wherein a first end portion is fixed on the end surface of the lower air seat interface 62, and a second end portion is tilted in the direction away from the end surface of the lower air seat interface 62;
the surface of the abutting ring 7, which is far away from the lower air seat interface 62, is provided with a plurality of arc-shaped grooves 720, the bottom surfaces of the arc-shaped grooves 720 are obliquely arranged along the circumferential direction of the arc-shaped grooves, a limiting groove 730 is arranged between every two adjacent arc-shaped grooves 720, an elastic abutting block 740 is arranged in each arc-shaped groove 720, a limiting block 750 is arranged in each limiting groove 730, and both the elastic abutting block 740 and the limiting block 750 can be accommodated in the abutting grooves;
the end surfaces of both ends of the abutting ring 7 are provided with a plurality of inserting blocks 760, the surface of the inserting block 760 is provided with a plurality of protrusions 761, and the plurality of inserting blocks 760 on the first end and the plurality of inserting blocks 760 on the second end are arranged in a staggered manner.
In the above scheme, a part of the abutting ring 7 is fixed on the end face of the lower air seat interface 62, the abutting ring 7 has a certain elasticity, and the other part which is not fixed with the lower air seat interface 62 tilts upwards, when the upper air seat interface 61 is connected, the upper air seat interface 61 is in threaded connection with the upper air seat interface 61 through the rotary sealing sleeve 621, the upper air seat interface 61 moves downwards, the elastic abutting block 740 is firstly inserted into the abutting groove, the tilted part of the abutting ring 7 is in contact with the lower air seat interface 62 under the pressure of the upper air seat interface 61, and when the upper air seat interface 61 moves downwards continuously, the elastic abutting block 740 is in contact with the bottom surface of the abutting groove and is compressed, so as to provide an upward reaction force for the upper air seat interface 61, the limit block 750 is immediately inserted into the abutting groove, and the limit block 750 limits the upper air seat interface 61 to move downwards continuously;
wherein, the inclination angle of the upper surface of the elastic abutting block 740 is the same as that of the arc-shaped groove 720, so that the elastic abutting block 740 can be more conveniently inserted into the abutting groove, when the abutting groove compresses the elastic abutting block, the higher end of the elastic abutting block 740 can be compressed to form a pretightening force for the sealing sleeve 621 and the upper air seat interface 61, and when the abutting ring 7 is pressed down by the whole stress, the pretightening force for the sealing sleeve 621 and the upper air seat interface 61 can be formed, so that the pretightening force for connecting the two is increased and is not easy to loose, the elastic abutting block 740 can be made of rubber material, and can be set to be in interference connection with the abutting groove, so that the lower air seat interface 62 and the upper air seat interface 61 can be prevented from loosening in the radial direction, the position of the abutting ring 7 can be prevented from being deviated or damaged due to the excessive connecting force of the sealing sleeve 621 and the upper air seat interface 61 by the set limit block 750, and the connecting pretightening force of the upper air seat interface 61 can be improved, guarantee the validity of butt joint ring 7, further guarantee the stability that gas holder interface 62 and last gas holder interface 61 are connected down to guarantee the leakproofness, prevent gas leakage.
In summary, the following steps: the pressure database 42 with different grades is divided according to the injury, the pressure database is respectively divided into three grades of slight grade, moderate grade and serious grade, three different pressure data layers are established, a doctor inputs the specific body position and the injury degree of a patient lying on the pressure data layers, the pressure sensor 31 detects the pressure change of different areas of the pressure sore prevention outer pad 2 in real time, whether the pressure is within a reasonable threshold value or not, and transmits the pressure signal value to the data acquisition unit 4, wherein the pressure sensor 31 is set with detection values by different body positions and skin environments of a human body, the detection values can remind early warning when the detection values reach a preset value, or the air cushion cavity of the corresponding area of the pipeline opening and closing control component 66 is subjected to pressure reduction action, the data processing module 43 uploads the content of the database 42 to the display device through the wireless transmission module 44, and the injury with different degrees according to different body positions in a targeted manner, according to his patient's truck, four limbs or head, the adjustment that can be directed against bears the air cushion chamber pressure value of every position, inputs through subsequent patient's injury, the position of adoption input, then the pressure size in every air cushion chamber of automatic adjustment, lets the patient lie and can not appear pressing the problem of sore on the shock insulator, turns into the form of database 42 with doctor's treatment experience, realizes the treatment through intelligent means.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The pressure sore prevention detection spacer is characterized by comprising a pressure sore prevention inner pad (1) and a pressure sore prevention outer pad (2), wherein the pressure sore prevention inner pad (1) and the pressure sore prevention outer pad (2) are connected;
the inner cavity of the pressure sore prevention outer cushion (2) is divided into a plurality of independent air cushion cavities by a dividing assembly (5), and the air cushion cavities are connected with an air pressure control assembly (6) and used for controlling each air cushion cavity;
wherein, prevent being equipped with pressure detection subassembly (3) on pressure sore inner pad (1) for pressure data on the outer pad (2) of detection pressure sore, and pressure detection subassembly (3) meet with data collection station (4) of outside setting, and pressure data for gathering send to external display device through wireless or bluetooth.
2. The pressure sore prevention detection spacer as claimed in claim 1, wherein the pressure sore prevention outer pad (2) is of an air cushion bed structure, the separation assembly (5) comprises a separation transverse film (51) and a separation longitudinal film (52), and the separation transverse film (51) and the separation longitudinal film (52) are connected to separate the inner cavity of the pressure sore prevention outer pad (2).
3. The pressure sore prevention detection spacer as claimed in claim 1, wherein the air pressure control assembly (6) comprises an upper air seat interface (61), a lower air seat interface (62), an inner air pipe (63), an outer air pipe (64), an air pump (65) and a pipeline opening and closing control part (66), the upper air seat interface (61) is embedded on the pressure sore prevention outer cushion (2) in a sealing manner, one part of the upper air seat interface (61) is positioned outside the pressure sore prevention outer cushion (2) and the other part is positioned inside the pressure sore prevention outer cushion (2);
the number of the inner air pipes (63) is the same as that of the air cushion cavities, the inner air pipes are arranged inside the anti-pressure sore outer cushion (2), one end of each inner air pipe (63) is connected to the upper air seat interface (61), the other end of each inner air pipe (63) is communicated with the corresponding air cushion cavity, the upper air seat interface (61) is communicated with each air cushion cavity, and the pipeline opening and closing control part (66) is arranged in the upper air seat interface (61) and used for changing the air pressure of each air cushion cavity;
the lower air seat interface (62) is arranged in a groove formed in the pressure sore prevention inner cushion (1), wherein an outer air pipe (64) connected to the lower air seat interface (62) is connected with an air pump (65), and air is injected into or extracted from any one air cushion cavity through the air pump (65).
4. The pressure sore prevention detection spacer as claimed in claim 3, wherein the outer side of the bottom end of the upper air seat interface (61) is provided with a threaded portion, the outer side of the top end of the lower air seat interface (62) is provided with a ring of ring groove, a rotary sealing sleeve (621) is sleeved on the ring groove, the upper air seat interface (61) is rotatably connected with the lower air seat interface (62), and a sealing ring on the sealing sleeve (621) abuts against the port of the upper air seat interface (61) to seal the upper air seat interface (61) and the lower air seat interface (62);
the pipeline opening and closing control component (66) comprises an annular outer ring (661), a conical opening (662), an annular inner ring (663), a conical plug (664), a bracket (665) and a spring (666);
annular outer lane (661) are equipped with bellied bell mouth (662) quantity the same with interior trachea (63), annular outer lane (661) are fixed at the inner wall of last air seat interface (61), in bell mouth (662) inlay interior trachea (63), annular outer lane (661) are fixed with annular inner circle (663) through support (665), annular inner circle (663) are the same with bell mouth (662) along the side lever quantity that radially runs through, in bell mouth (662) are inserted to bell plug (664) that side lever one end is connected, spring (666) cover on the side lever, wherein, the both ends of spring (666) are fixed with bell plug (664) and annular inner circle (663) respectively.
5. A pressure sore prevention detection spacer as claimed in claim 4 wherein the junction of the tapered mouth (662) and the annular outer ring (661) is of small diameter, the tapered plug (664) is located within the inner air tube (63), and the tension of the spring (666) acts to seal the tapered mouth (662) with the tapered plug (664).
6. The pressure sore prevention detection spacer as claimed in claim 4, wherein the duct opening and closing control part (66) further comprises a speed reduction motor (667), an electric lifting rod (668) and a control column (669), wherein a motor frame outside the speed reduction motor (667) is fixed to the inner wall of the upper air seat interface (61), a shaft of the speed reduction motor (667) is connected with the electric lifting rod (668), and the port of the electric lifting rod (668) is connected with the control column (669);
the control column (669) is provided with a protrusion, wherein the control column (669) moves up and down to abut against the side rod to move radially, and is used for controlling the conduction of the corresponding inner air pipe (63).
7. The pressure sore prevention detection spacer as claimed in claim 1, wherein the pressure detection assembly (3) comprises a pressure sensor (31), a support rod (32) and a data transmission line (33), the pressure sensor (31) is connected with one end of the support rod (32), the support rod (32) is arranged in a through hole at the top of the pressure sore prevention inner pad (1), the data transmission line (33) penetrates through one end of the support rod (32) to be connected with the pressure sensor (31), and the other end of the data transmission line is connected with the data collector (4).
8. The pressure sore prevention detection spacer as claimed in claim 3, wherein the data collector (4) is internally provided with a pressure sensing module (41), a database (42), a data processing module (43) and a wireless transmission module (44), the pressure sensing module (41) is connected with the pressure sensor (31) and receives an analog signal of pressure data, the pressure sensing module (41) is connected to the data processing module (43), and the data processing module (43) excites, amplifies, filters and processes the pressure data and outputs and uploads the processed pressure data to the database (42);
the database (42) is also connected with external equipment in a wireless way, and the external equipment sets different pressures according to the air cushion cavity areas corresponding to the body positions adopted by the patients with different degrees;
according to the injury, pressure databases with different grades are divided, the three grades are respectively light, moderate and severe, three different pressure data layers are established, a doctor inputs the specific body position and the injury degree of a patient lying on the spacer, the air pump (65) and the pipeline opening and closing control component (66) control the air pump (65) and the pipeline opening and closing control component (66) to adjust the pressure of the air cushion cavity in each area to be within a reasonable range according to the injury and the body position, the pressure change of different areas of the anti-pressure sore outer pad (2) is detected in real time through the pressure sensor (31), whether the pressure is within a reasonable threshold value or not is detected, and the pressure signal value is transmitted to the data acquisition unit (4), wherein the pressure sensor (31) is provided with detection values according to different body positions and skin environments of a human body, when a preset value is reached, early warning can be reminded, or the air cushion cavity in the corresponding area of the pipeline opening and closing control component (66) is used for pressure reduction action, the data processing module (43) uploads the content of the database to the display device through the wireless transmission module (44).
9. A pressure wound prevention detection spacer as claimed in claim 8 wherein the pressure of the air cushion chamber of each zone is determined by:
firstly, determining a first parameter value x corresponding to the injury degree of a patient;
then determining each region corresponding to the actual body position of the patient, and determining a second parameter value y of each region corresponding to the actual part of the patient;
calculating the adjustment coefficient of the pressure of the air cushion chamber of each area
：
Wherein ln is a logarithmic function with a mathematical constant e as a base;
calculating the pressure P of the air cushion cavity of each area:
wherein,
is the initial pressure of the air cushion chamber for each zone.
10. The pressure sore prevention detection spacer as claimed in claim 4, wherein an abutting ring (7) for increasing the connecting pre-tightening force of the sealing sleeve (621) and the upper air seat interface (61) is arranged on the end surface of the lower air seat interface (62), and an abutting groove is arranged on the end surface of the upper air seat interface (61);
a notch (710) is formed in the abutting ring (7) along the radial direction of the abutting ring, two end portions of the abutting ring (7) are formed at the notch (710), wherein the first end portion is fixed on the end face of the lower air seat interface (62), and the second end portion tilts towards the direction of the end face far away from the lower air seat interface (62);
the surface, away from the lower air seat interface (62), of the abutting ring (7) is provided with a plurality of arc-shaped grooves (720), the bottom surfaces of the arc-shaped grooves (720) are obliquely arranged along the circumferential direction of the arc-shaped grooves, a limiting groove (730) is arranged between every two adjacent arc-shaped grooves (720), elastic abutting blocks (740) are arranged in the arc-shaped grooves (720), limiting blocks (750) are arranged in the limiting grooves (730), and the elastic abutting blocks (740) and the limiting blocks (750) can be accommodated in the abutting grooves;
the end faces of two end parts of the abutting ring (7) are respectively provided with a plurality of inserting blocks (760), the surface of each inserting block (760) is provided with a plurality of protrusions (761), and the inserting blocks (760) on the first end part and the inserting blocks (760) on the second end part are arranged in a staggered mode.
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