Prone position pressure injury prevention mattress

Abstract

A prone position pressure injury prevention mattress comprises a bottom plate, a head cushion and a body cushion are arranged on the upper side of the bottom plate, a U-shaped headrest is arranged in the middle of the head cushion, and a lifting mechanism is arranged below the U-shaped headrest; the body cushion comprises a cushion plate and an elastic cushion, a plurality of air bags distributed in an array mode are arranged on the elastic cushion, air inlet pipes and air outlet pipes of the air bags are provided with electromagnetic valves, pressure sensors are arranged in the air bags, the cushion plate comprises a front-section cushion plate body, a middle-section cushion plate body and a rear-section cushion plate body, and a lifting supporting mechanism is arranged below the front-section cushion plate body. Air pressure in the air bag is detected through the pressure sensor, local pressure on the skin is changed through inflation and deflation of the electromagnetic valve, and pressure injury is prevented; the U-shaped headrest can better meet the requirement for prone position ventilation of tracheal intubation and tracheotomy patients; the lifting mechanism and the lifting supporting mechanism can achieve the shoulder lifting function, medical staff can conveniently turn over the head and the face of the patient in the prone position period, medical care investment is reduced, face pressure injury is avoided, and the comfort of the patient is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of human life supplies, especially medical equipment, in particular to a prone position pressure injury prevention mattress. BACKGROUND

[0002] Acute respiratory distress syndrome (ARDS) is a non-cardiogenic pulmonary edema with a very high mortality rate, and the mortality risks of mild, moderate and severe ARDS are 34.9%, 40.3% and 46.1% respectively. The 2023 version of the acute respiratory distress syndrome (ARDS) guideline published by the European Society of Intensive Care Medicine (ESICM) strongly recommends the prone position ventilation method for the treatment of ARDS patients, and suggests long-term application, 16 hours or more per day.

[0003] However, instrument-related pressure injury is a common complication of prone position ventilation, and some literature reports that the incidence of instrument-related pressure injury caused by prone position can reach 50%. The use of pillows, gel jelly pads and other materials for prone position in clinical practice not only makes the preparation of materials cumbersome, but also makes it difficult to avoid instrument-related pressure injury. SUMMARY

[0004] The utility model aims at providing a prone position pressure injury prevention mattress, which solves the technical problems of prone position patients prone to pressure injury and inconvenient nursing in the prior art.

[0005] The prone position pressure injury prevention mattress comprises a bottom plate, a head pad and a body pad arranged in sequence from front to back on the upper side of the bottom plate, a U-shaped headrest arranged in the middle of the head pad, and a lifting mechanism arranged below the U-shaped headrest. The body pad comprises a pad plate and an elastic pad, the elastic pad is arranged on the upper side of the pad plate, a plurality of arrayed air bag mounting holes are arranged in the upper side of the elastic pad, an air bag is arranged in each air bag mounting hole, each air bag is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is connected with a pressure source, the air inlet pipe is provided with an air inlet solenoid valve, the air outlet pipe is provided with an air outlet solenoid valve, a pressure sensor is arranged in the air bag, the pad plate comprises a front pad plate, a middle pad plate and a rear pad plate arranged in sequence from front to back, the rear end of the front pad plate is rotatably connected with the front end of the middle pad plate, the rear end of the middle pad plate is rotatably connected with the front end of the rear pad plate, and a lifting support mechanism is arranged below the front pad plate.

[0006] Further, the lifting mechanism is a lifting cylinder.

[0007] Further, the front side of the bottom plate is provided with a rotating mechanism, the rotating mechanism comprises a rotating base, the bottom surface of the rotating base is provided with a circular protrusion, the upper side of the bottom plate is provided with a circular groove, the circular protrusion is sleeved into the circular groove, the outer side of the rotating base is provided with a worm gear, the first motor is fixedly arranged on the bottom plate, the first motor is connected with the worm, the worm is meshed with the worm gear, and the bottom of the lifting cylinder is mounted on the rotating base.

[0008] Further, the bottom surface of any one of the two symmetrical support bodies is provided with a first mounting hole in the front side, and the bottom surface of any one of the two symmetrical support bodies is provided with a second mounting hole in the rear side, the lifting cylinder comprises two first lifting cylinders and two second lifting cylinders, the piston rod of the first lifting cylinder is mounted in the first mounting hole, the cylinder body of the first lifting cylinder is fixedly mounted on the rotating base, the piston rod of the second lifting cylinder is mounted in the second mounting hole, the cylinder body of the second lifting cylinder is supported on the rotating base, the rotating base is provided with an arc-shaped hole, the bottom surface of the cylinder body of the second lifting cylinder is provided with a connecting rod in the middle, the connecting rod passes through the arc-shaped hole in the middle and is connected with a nut, the axial direction of the connecting rod is perpendicular to the axial direction of the nut, the nut is provided with a horizontal threaded hole, the threaded hole of the nut is screwed with a lead screw, and the lead screw is connected with the output shaft of the second motor.

[0009] Further, the bottom of the U-shaped headrest is provided with a dirt storage box.

[0010] Further, the bottom of the U-shaped headrest is provided with a camera.

[0011] Further, the lifting support mechanism comprises an upper plate, a lower plate, two side plates, two upper connecting plates and two lower connecting plates, the two sides of the lower plate are respectively hinged to one end of the two lower connecting plates, the other end of the two lower connecting plates is respectively hinged to the lower end of the two side plates, the two sides of the upper plate are respectively hinged to one end of the two upper connecting plates, the other end of the two upper connecting plates is hinged to the upper end of the two side plates, the upper plate is fixedly connected with a support plate, the support plate is supported below the front section of the pad plate, the lower plate is fixedly connected with the bottom plate, the side plate on one side is fixedly provided with a horizontal threaded sleeve, the side plate on the other side is fixedly provided with a third motor, the output shaft of the third motor is connected with a screw rod, and the screw rod is screwed with the threaded sleeve.

[0012] Further, the rear end of the front section of the pad plate and the front end of the middle section of the pad plate are rotatably connected through a flexible material, and the rear end of the middle section of the pad plate and the front end of the rear section of the pad plate are rotatably connected through a flexible material.

[0013] Further, the air source comprises a gas pump, a gas storage tank, a ball valve, a pressure regulating valve, a safety valve and a heater connected in sequence.

[0014] The utility model discloses a pressure sensor detects the air pressure in the air bag, and the partial pressure of skin can be changed through the air intake solenoid valve and the air release solenoid valve, and pressure injury is prevented from happening, the U type headrest can better satisfy the trachea cannula of prone patient and the prone position ventilation demand of trachea incision patient, the lifting mechanism below the U type headrest and the lifting support mechanism below the front section of pad plate can realize the function of lifting shoulder, and the medical staff can turn over the head of patient during prone position, reduce the medical care investment, avoid the appearance facial pressure injury, and improve the comfort of patient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the use schematic drawing of the utility model.

[0016] Figure 2 It is the upper side schematic drawing of the utility model.

[0017] Figure 3 It is the lower side internal schematic drawing of the utility model.

[0018] Figure 4 It is the explosion drawing of the utility model.

[0019] Figure 5 It is the plan view of the utility model.

[0020] Figure 6 It is the sectional view of the utility model.

[0021] Figure 7 It is the lower side schematic drawing of U type headrest and support in the utility model.

[0022] Figure 8 It is the upper side schematic drawing of lifting mechanism and rotating mechanism in the utility model.

[0023] Figure 9 It is the lower side schematic drawing of rotating mechanism in the utility model.

[0024] Figure 10 It is the air path schematic drawing in the utility model.

[0025] Wherein, 1 is bottom plate, 101 is round recess;

[0026] 2 is head pad;

[0027] 3 is U type headrest, 301 is support, 302 is first mounting hole, 303 is second mounting hole, 304 is dirt storage box, 305 is camera;

[0028] 4 is lifting mechanism, 401 is first lifting cylinder, 402 is second lifting cylinder;

[0029] 5 is a body pad, 501 is a front section pad plate, 502 is a middle section pad plate, 503 is a rear section pad plate, 504 is a elastic pad, 505 is an air bag mounting hole, 506 is an air bag, 507 is an air inlet pipe, 508 is an air outlet pipe, 509 is an air inlet electromagnetic valve, 510 is an air outlet electromagnetic valve, 511 is a pressure sensor;

[0030] 6 is a rotating mechanism, 601 is a rotating base, 602 is a worm gear, 603 is a circular protrusion, 604 is an arc-shaped hole, 605 is a first motor, 606 is a worm, 607 is a nut, 608 is a screw rod, 609 is a second motor, 610 is a connecting rod;

[0031] 7 is a lifting support mechanism, 701 is an upper plate, 702 is a lower plate, 703 is a side plate, 704 is an upper connecting plate, 705 is a lower connecting plate, 706 is a support plate, 707 is a screw sleeve, 708 is a third motor, 709 is a screw rod;

[0032] 8 is an air source, 801 is an air pump, 802 is an air storage tank, 803 is a ball valve, 804 is a pressure regulating valve, 805 is a safety valve, 806 is a heater;

[0033] 9 is a controller. DETAILED DESCRIPTION

[0034] The utility model will be further explained in connection with the drawings and examples, but not therefore limit the utility model.

[0035] As Figures 1-10 shown, the utility model discloses a prone position pressure injury prevention mattress, including bottom plate 1, the bottom plate 1 upside is equipped with head pad 2 and body pad 5 from front to back in proper order, the middle of head pad 2 is equipped with U type headrest 3, and the lower of U type headrest 3 is provided with lifting mechanism 4;The body pad 5 includes pad plate and elastic pad 504, the elastic pad 504 is arranged at the upside of pad plate, and a plurality of array distribution's air bag mounting hole 505 is set up in the upper side of elastic pad 504, installs the air bag 506 in any one air bag mounting hole 505, and any one air bag 506 is provided with air inlet pipe 507 and air outlet pipe 508, the air inlet pipe 507 is connected with pressure air source 8, and the air inlet pipe 507 is provided with air inlet electromagnetic valve 509, the air outlet pipe 508 is provided with air outlet electromagnetic valve 510, the air bag 506 is provided with pressure sensor 511, and the pad plate from front to back includes front section pad plate 501, middle section pad plate 502, rear section pad plate 503 in proper order, and the rear end of front section pad plate 501 is rotatably connected with the front end of middle section pad plate 502, and the rear end of middle section pad plate 502 is rotatably connected with the front end of rear section pad plate 503, and the lower of front section pad plate 501 is provided with lifting support mechanism 7.

[0036] Further, the lifting mechanism 4 is a lifting cylinder.

[0037] Further, the front side of the bottom plate 1 is provided with a rotating mechanism 6, the rotating mechanism 6 comprises a rotating base 601 and a first motor 605, the bottom surface of the rotating base 601 is provided with a circular protrusion 603, the upper side of the bottom plate 1 is provided with a circular groove 101, the circular protrusion 603 is sleeved into the circular groove 101, the outer side of the rotating base 601 is provided with a worm tooth 602, the first motor 605 is fixedly arranged on the bottom plate 1, the first motor 605 is connected with a worm 606, the worm 606 is engaged with the worm tooth 602, and the bottom of the lifting mechanism 4 is mounted on the rotating base 601.

[0038] Further, the bottom of the U-shaped headrest 3 is provided with two symmetrical supporting bodies 301, the bottom surface of any one of the supporting bodies 301 is provided with a first mounting hole 302 in the front side, the bottom surface of any one of the supporting bodies 301 is provided with a second mounting hole 303 in the rear side, the lifting mechanism 4 comprises two first lifting cylinders 401 and two second lifting cylinders 402, the piston rod of the first lifting cylinder 401 is mounted in the first mounting hole 302, the cylinder body of the first lifting cylinder 401 is fixedly mounted on the rotating base 601, the piston rod of the second lifting cylinder 402 is mounted in the second mounting hole 303, the cylinder body of the second lifting cylinder 402 is supported on the rotating base 601, the rotating base 601 is provided with an arc-shaped hole 604, the bottom surface of the cylinder body of the second lifting cylinder 402 is provided with a connecting rod 610 in the middle, the connecting rod 610 passes through the arc-shaped hole 604 and is connected with a nut 607, the axial direction of the connecting rod 610 is perpendicular to the axial direction of the nut 607, the nut 607 is provided with a horizontal threaded hole, the threaded hole of the nut 607 is screwed with a lead screw 608, and the lead screw 608 is connected with the output shaft of a second motor 609.

[0039] Further, the bottom of the U-shaped headrest 3 is provided with a dirt storage box 304.

[0040] Further, the bottom of the U-shaped headrest 3 is provided with a camera 305.

[0041] Further, the lifting support mechanism 7 comprises an upper plate 701, a lower plate 702, two side plates 703, two upper connecting plates 704, two lower connecting plates 705, the two sides of the lower plate 702 are hinged with one end of the two lower connecting plates 705 respectively, the other end of the two lower connecting plates 705 is hinged with the lower end of the two side plates 703 respectively, the two sides of the upper plate 701 are hinged with one end of the two upper connecting plates 704 respectively, the other end of the two upper connecting plates 704 is hinged with the upper end of the two side plates 703, the upper plate 701 is fixedly connected with a support plate 706 on the upside, the support plate 706 is supported below the front section of the pad plate 501, the lower plate 702 is fixedly connected with the bottom plate 1, the side plate 703 on one side is fixedly installed with a horizontal screw sleeve 707, the side plate 703 on the other side is fixedly installed with a third motor 708, the output shaft of the third motor 708 is connected with a screw rod 709, and the screw rod 709 is screwed with the screw sleeve 707.

[0042] Further, the rear end of the front section of the pad plate 501 and the front end of the middle section of the pad plate 502 are rotatably connected through flexible material, and the rear end of the middle section of the pad plate 502 and the front end of the rear section of the pad plate 503 are rotatably connected through flexible material.

[0043] Further, the air source 8 comprises a gas pump 801, a gas storage tank 802, a ball valve 803, a pressure regulating valve 804, a safety valve 805 and a heater 806 connected in sequence.

[0044] When the utility model is used, the head and face of the patient are aligned with the groove of the U-shaped headrest 3 in the middle of the head pad 2, and the body is prone on the elastic pad 504 of the body pad 5, under the condition that the inlet electromagnetic valve 509 and the outlet electromagnetic valve 510 are closed, the air bag 506 is extruded, the pressure sensor 511 transmits signals to the controller 9, after detecting that the gas pressure in the air bag 506 rises, the controller 9 can open the outlet electromagnetic valve 510 of the corresponding air bag 506 according to the data of the pressure sensor 511, exhausts the air in the air bag 506, and makes the pressure of the air bag 506 drop.The array distribution of the air bag 505 facilitates accurate positioning of the local pressure position protruding below the body of the patient when prone, and controls the pressure of the corresponding air bag 505, reduces the risk of pressure injury, and makes the patient more comfortable.The pad plate below the body pad 5 can adopt a hard material, which supports the elastic pad 504, and when the patient needs to lift the shoulder, the front end pad plate 501 can be lifted by lifting the lifting support mechanism 7, so that the body of the patient is inclined, the stress state when horizontally prone is changed, the risk of local pressure injury is reduced, and the U-shaped headrest 3 can be lifted by the lifting mechanism 4, so that the head is lifted synchronously.

[0045] The rotating mechanism 6 rotates the U-shaped headrest 3 by a certain angle to change the patient's posture. The rotating base 601 can be a disc-shaped structure, and a worm gear 602 is arranged on the outer circle of the disc. The circular protrusion 603 on the bottom surface of the rotating base 601 cooperates with the circular groove 101 on the bottom plate 1 as the rotation center. The first motor 605 drives the worm gear 602 to rotate, and the worm gear 606 engages with the worm gear 602 to drive the rotating base 601 to rotate, thereby driving the lifting mechanism 4 and the U-shaped headrest 3 to rotate together.

[0046] The U-shaped headrest 3 can be wrapped around the top of the support body 301. The piston rods of the two first lifting cylinders 401 and the two second lifting cylinders 402 are rotatably sleeved in the first mounting hole 302 and the second mounting hole 303, respectively. The cylinder bodies of the two first lifting cylinders 401 are fixed on the rotating base 601. The bottoms of the two second lifting cylinders 402 are connected to the nuts 607 through the connecting rods 610, respectively. The two nuts 607 are screwed with the two sides of the lead screw 608, respectively. The screw threads on the two sides of the lead screw 608 are opposite in direction. The second motor 609 rotates to move the nuts 607, adjust the distance between the two second lifting cylinders 402, and make the support body 301 rotate around the first lifting cylinder 401 as the axis, thereby adjusting the opening size of the U-shaped headrest 3. The upper side of the second motor 609 can be placed on the bottom surface of the rotating base 601 to prevent the motor from rotating. The opening size of the U-shaped headrest 3 can be adjusted first when the patient is lying horizontally, and then the height of the U-shaped headrest 3 can be adjusted by the extension and retraction of the first lifting cylinder 401 and the second lifting cylinder 402. When the second lifting cylinder 402 is lifted, the cylinder body is supported above the arc-shaped hole 604 of the rotating base 601.

[0047] The U-shaped headrest 3 can be provided with a dirt storage box 304, which can be installed on the rotating base 601. The dirt storage box 304 can place a water-absorbing pad to collect the patient's oral secretions, thereby reducing the pollution to the mattress and the environment. The camera 305 is provided to facilitate the medical staff to observe the patient's face and oral intubation.

[0048] The two side plates of the lifting support mechanism 7 are kept in the vertical direction, and the screw rod 709 is driven to rotate by the third motor 708, the screw rod 709 is screwed with the horizontally arranged screw sleeve 707, the distance between the two side plates 703 can be adjusted, the support angle between the upper connecting plate 704 and the lower connecting plate 705 is changed, the support plate 706 is lifted up, and the function of lifting support is realized. The rear end of the front section pad plate 501 and the front end of the middle section pad plate 502, and the rear end of the middle section pad plate 502 and the front end of the rear section pad plate 503 can be connected by flexible materials such as fabrics, so that the pad plates can be bent to realize rotary connection, and the front section pad plate 501 and the middle section pad plate 502 can be lifted up when the lifting support mechanism 7 is lifted. The support plate 706 is supported below the front end pad plate 501 and is not fixedly connected, and the relative position between the support plate 706 and the front end pad plate 501 can move when the front end pad plate 501 moves up and down.

[0049] The gas source 8 is provided with a gas pump 801 as a pressure source, a gas storage tank 802 can make the gas pressure more stable, a ball valve 803 is used for adjusting the on-off of the gas source 8, a pressure regulating valve 804 can adjust the pressure of the gas, a safety valve 805 can release pressure when danger occurs, so as not to damage the air bag 802 due to excessive pressure, and the heater 806 can heat the gas to make the mattress have a suitable temperature, so that the patient is more comfortable.

Claims

1. A prone position pressure ulcer prevention mattress, characterized by: Including the bottom plate (1), the bottom plate (1) upper side from front to back in turn is equipped with head pad (2) and body pad (5), the middle of head pad (2) is equipped with U type headrest (3), U type headrest (3) below is provided with lifting mechanism (4);The body pad (5) includes pad plate and elastic pad (504), the elastic pad (504) is arranged on the upper side of the pad plate, a plurality of array distribution gas bag mounting hole (505) are arranged in the upper side of the elastic pad (504), any one gas bag mounting hole (505) is mounted with gas bag (506), any one gas bag (506) is provided with inlet pipe (507) and outlet pipe (508), the inlet pipe (507) is connected with pressure gas source (8), the inlet pipe (507) is provided with inlet electromagnetic valve (509), the outlet pipe (508) is provided with outlet electromagnetic valve (510), the gas bag (506) is provided with pressure sensor (511), the pad plate from front to back includes front pad plate (501), middle pad plate (502), rear pad plate (503), the rear end of front pad plate (501) is rotatably connected with the front end of middle pad plate (502), the rear end of middle pad plate (502) is rotatably connected with the front end of rear pad plate (503), the lower side of front pad plate (501) is provided with lifting support mechanism (7).

2. The prone position pressure ulcer prevention mattress of claim 1, wherein: The lifting mechanism (4) is a lifting cylinder.

3. The prone position pressure ulcer prevention mattress of claim 1, wherein: The front side of the bottom plate (1) is provided with rotating mechanism (6), the rotating mechanism (6) includes rotating base (601) and first motor (605), the bottom surface of rotating base (601) is provided with circular protrusion (603), the upper side of bottom plate (1) is provided with circular recess (101), circular protrusion (603) is sleeved into circular recess (101), the outer side of rotating base (601) is provided with worm gear (602), the first motor (605) is fixedly arranged on the bottom plate (1), the first motor (605) is connected with worm (606), the worm (606) is engaged with worm gear (602), the bottom of lifting mechanism (4) is installed on rotating base (601).

4. The prone position pressure ulcer prevention mattress of claim 3, wherein: The U-shaped headrest (3) is provided below with two symmetrical support bodies (301), the bottom front side of any one of the support bodies (301) is provided with a first mounting hole (302), the bottom rear side of any one of the support bodies (301) is provided with a second mounting hole (303), the lifting mechanism (4) comprises two first lifting cylinders (401) and two second lifting cylinders (402), the piston rod of the first lifting cylinder (401) is mounted in the first mounting hole (302), the cylinder body of the first lifting cylinder (401) is fixedly mounted on the rotating base (601), the piston rod of the second lifting cylinder (402) is mounted in the second mounting hole (303), the cylinder body of the second lifting cylinder (402) is supported on the rotating base (601), the rotating base (601) is provided with an arc-shaped hole (604), the middle of the bottom surface of the cylinder body of the second lifting cylinder (402) is provided with a connecting rod (610), the connecting rod (610) passes through the arc-shaped hole (604) and is connected with a nut (607) in the middle, the axial direction of the connecting rod (610) is perpendicular to the axial direction of the nut (607), the nut (607) is provided with a horizontal threaded hole, the threaded hole of the nut (607) is screwed with a lead screw (608), and the lead screw (608) is connected with the output shaft of a second motor (609).

5. The prone position pressure ulcer prevention mattress of claim 1, wherein: The U-shaped headrest (3) is provided below with a dirt storage box (304).

6. The prone position pressure ulcer prevention mattress of claim 1, wherein: The U-shaped headrest (3) is provided below with a camera (305).

7. The prone position pressure ulcer prevention mattress of claim 1, wherein: The lifting support mechanism (7) comprises an upper plate (701), a lower plate (702), two side plates (703), two upper connecting plates (704) and two lower connecting plates (705), the two sides of the lower plate (702) are respectively hinged to one end of the two lower connecting plates (705), the other end of the two lower connecting plates (705) is respectively hinged to the lower end of the two side plates (703), the two sides of the upper plate (701) are respectively hinged to one end of the two upper connecting plates (704), the other end of the two upper connecting plates (704) is hinged to the upper end of the two side plates (703), the upper plate (701) is fixedly connected with a support plate (706) on the upper side, the support plate (706) is supported below the front section of the pad (501), the lower plate (702) is fixedly connected with the bottom plate (1), the side plate (703) on one side is fixedly installed with a horizontal screw sleeve (707), the side plate (703) on the other side is fixedly installed with a third motor (708), the output shaft of the third motor (708) is connected with a screw rod (709), and the screw rod (709) is screwed with the screw sleeve (707).

8. The prone position pressure ulcer prevention mattress of claim 1, wherein: The rear end of the front section of the pad (501) and the front end of the middle section of the pad (502) and the rear end of the middle section of the pad (502) and the front end of the rear section of the pad (503) are rotatably connected through flexible materials.

9. The prone position pressure ulcer prevention mattress of claim 1, wherein: The air source (8) comprises a gas pump (801), a gas storage tank (802), a ball valve (803), a pressure regulating valve (804), a safety valve (805) and a heater (806) connected in sequence.

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