CN214806224U

CN214806224U - Device for preventing lower limb pressure injury

Info

Publication number: CN214806224U
Application number: CN202022986754.2U
Authority: CN
Inventors: 杨湘英; 宁丽; 李益民; 朱明丽
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-11-23
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a prevention low limbs pressure damage device, its technical scheme main points are: including the pillow body, control system and alarm device, be equipped with heel portion and shank supporting part on the pillow body, one of them side reason and shank supporting part smooth transition of heel portion are connected, and heel portion is equipped with the backup pad that is used for preventing drop foot and two heel grooves of undercut, heel portion and shank supporting part inside all are equipped with the gasbag, the gasbag is connected with pressure release mechanism, is equipped with flexible film pressure sensor between gasbag and the pillow body upper surface, flexible film pressure sensor and alarm device all with the control system electric connection. Can automatically reduce pressure when the leg of the patient is pressed too much, avoid the pressure damage of the leg of the patient, and simultaneously can support the sole of the foot of the patient to prevent the foot drop.

Description

Device for preventing lower limb pressure injury

Technical Field

The utility model relates to a medical care articles for use field specifically is a prevention low limbs pressure nature damage device.

Background

The pressure injury is caused by tissue ulceration and necrosis due to continuous ischemia, anoxia and malnutrition caused by long-term local tissue compression. The pressure injury is a common problem in rehabilitation and nursing, and about 6 million people die from the pressure injury syndrome every year according to related literature reports. Pressure injury is most often caused by bony prominences, such as the tuberosity of the occipital bone, scapular region, elbow, carina, sacrococcygeal region, heel, etc., where there is no muscle coating or where the muscle layer is thin, there is no protection of adipose tissue, and there is often pressure.

For the crowd who need to lie in bed for a long time such as the cerebral infarction patient, the old, the paralysis patient, because reasons such as blood circulation obstacle, competence decline, be very easily produced pressure nature damage when local tissue is pressed, patient's heel portion is because long-time contact with the bed surface, skin is pressed seriously, is the frequent position of pressure nature damage, the current commonly used pillow pad prevents heel portion pressure nature damage in the mode that makes the heel hang in the air below patient's shank clinically, in addition, the cerebral apoplexy patient, spinal cord injury person also are the frequent crowd of drop foot, this kind of symptom mainly shows ankle joint plantarflexion position, can not initiatively stretch, if do not prevent drop foot, can lead to the ankle joint rigidity, influence patient's normal gait.

The defects of the technology are as follows:

1. the heel is contacted with the pillow for a long time and pressed, the pressure borne by the heel cannot be controlled, and the generation of pressure injury is easy to cause.

2. The sole of the foot of the patient cannot be supported, and the foot drop cannot be prevented.

3. Due to factors such as restlessness of the patient and poor support of the pillow, the patient easily breaks loose, and the placing positions of the legs of the patient need to be adjusted frequently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the above-mentioned background art, provide a prevention low limbs pressure nature damage device, can avoid the production of patient's shank pressure nature damage at automatic decompression when patient's shank pressurized is too big, can support patient's sole simultaneously, prevent drop foot.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

a device for preventing lower limb pressure injury comprises a pillow body, a control system and an alarm device, wherein the pillow body comprises a heel part and a leg supporting part, one side edge of the heel part is connected with the leg supporting part in a smooth transition mode, and the heel part is provided with a supporting plate for preventing foot drop and two heel grooves sunken downwards; the inner parts of the heel part and the leg bearing part are respectively provided with an air bag, the air bags are connected with a pressure relief mechanism, a flexible film pressure sensor is arranged between the air bags and the upper surface of the pillow body, and the flexible film pressure sensor and the alarm device are electrically connected with a control system.

Preferably, the leg supporting part comprises two arc-shaped concave grooves for placing the lower leg, the two arc-shaped concave grooves are arranged in parallel, the arc-shaped concave grooves are obliquely arranged, and the higher end of the arc-shaped concave groove is connected with the heel groove.

Preferably, the gasbag includes heel gasbag and shank gasbag, heel gasbag and shank gasbag are located heel groove and arc depressed groove below respectively, pressure release mechanism includes a plurality of electromagnetism relief valves, and heel gasbag and shank gasbag all are connected with electromagnetism relief valve, electromagnetism relief valve and control system electric connection.

Preferably, the supporting plate is rotatably connected with the heel part, and a locking structure for locking the supporting plate and the heel part is arranged at the joint of the supporting plate and the heel part.

Preferably, two fixing straps are provided on the surface of the side of the support plate facing the heel groove.

Preferably, a plurality of protrusions are provided on a surface of the support plate facing the heel groove.

Preferably, the alarm device comprises a voice alarm.

Preferably, the alarm device is provided with a signal transmitter, and the signal transmitter establishes connection with the mobile terminal through Wi-Fi, Bluetooth, 4G or 5G technologies.

Preferably, a baffle plate for separating the legs and the feet is arranged in the middle of the leg supporting part.

Preferably, the baffle is movably connected with the leg bearing part, the middle part of the leg bearing part is provided with a receiving groove, and the baffle can be opened upwards and embedded into the receiving groove downwards.

Compared with the prior art, the device for preventing the pressure injury of the lower limbs, which adopts the technical scheme, has the following beneficial effects:

one, adopt the utility model discloses a prevention low limbs pressure nature damage device, the gasbag can alleviate the oppression sense that the bony prominence is outstanding skin, and flexible film pressure sensor can tile between gasbag and pillow body upper surface, carries out real-time supervision to the pressure that the position received easily sent out of pressure nature damage, and after pressure exceeded normal range certain time, alarm device can remind patient or nurse to stand up to effectively prevent the emergence of pressure nature damage.

The air bag is connected with the electromagnetic pressure relief valve, the electromagnetic pressure relief valve is electrically connected with the controller, and when the heel and/or the leg of the patient are pressed too much, the controller can control the air bag under the part to relieve the pressure so as to quickly relieve the pressure of the part.

When the feet of the patient are placed in the heel part, the heel groove can enable the heels to be suspended, and the supporting plate can prop against the soles of the feet, so that the foot drop of the stroke patient, the spinal cord injury patient and the like can be prevented; in the preferred scheme, backup pad and heel portion swivelling joint, the angle that combines locking mechanism can adjust the backup pad can let patient's foot move about and make more patient comfortable, and fixing bandage can fix patient's foot in the backup pad, and the sole can be amazing to a plurality of archs that set up in the backup pad in addition, reinforcing foot blood circulation.

Fourthly, the leg supporting part is provided with two parallel arc-shaped concave parts, the inner walls of the arc-shaped concave parts can be attached to the back side of the crus of the patient, the slipping of the legs and the feet is avoided, and the comfort of the legs of the patient is increased.

And fifthly, when the patient is in a sleep state, the voice alarm can wake up the patient and prompt the patient to turn over or adjust the posture. For the patient who loses mobility, the signal transmitter can send the stress condition or alarm information of the patient to a mobile phone or other terminal equipment of a nursing staff, so that the nursing staff can know the information and respond even if the nursing staff is not at the patient.

And sixthly, the baffle in the middle of the leg supporting part is used for separating the two legs, so that the pressure damage caused by pressing together of the protruding parts such as ankle joints and the like can be avoided.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the device for preventing lower limb pressure injury of the present invention.

Fig. 2 is a schematic structural diagram (front view) of the present embodiment.

Fig. 3 is a schematic diagram of the practical use of the present embodiment.

Fig. 4 is a schematic cross-sectional view of the present embodiment.

Reference numerals: 1. a pillow body; 10. a heel portion; 101. a heel groove; 102. a shaft; 1020. an opening; 11. a leg support section; 110. an arc-shaped concave groove; 2. an alarm device; 20. a voice alarm; 21. a signal transmitter; 3. an air bag; 30. a heel airbag; 31. a leg airbag; 4. a flexible membrane pressure sensor; 5. a pressure relief mechanism; 50. an electromagnetic pressure relief valve; 6. a support plate; 60. a through hole; 601. an opening; 61. fixing a binding band; 62. a protrusion; 7. a locking structure; 70. a locking member; 701. a positioning part; 702. a connecting portion; 703. a pressing part; 71. a spring; 8. a baffle plate; 80. a receiving slot; 9. and (5) a foot.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The device for preventing lower limb pressure injury as shown in fig. 1 to 4 comprises a pillow body 1, a control system and an alarm device 2, wherein the pillow body 1 comprises a heel part 10 and a leg supporting part 11, one side edge of the heel part 10 is in smooth transition connection with the leg supporting part 11, the heel part 10 is provided with two downward-concave semicircular heel grooves 101, the leg supporting part 11 comprises two arc-shaped concave grooves 110 for placing lower legs, the two arc-shaped concave grooves 110 are arranged in parallel, the arc-shaped concave grooves 110 are obliquely arranged, and the higher end of the arc-shaped concave groove 110 is connected with the heel groove 101.

Pillow 1 inside gasbag 3 that is equipped with of body, be equipped with flexible film pressure sensor 4 between gasbag 3 and the 1 upper surface of pillow body, gasbag 3 includes two heel gasbags 30 and two

shank gasbags

31, 3 upper surfaces of gasbag are hugged closely to flexible film pressure sensor 4, heel gasbag 30 and shank gasbag 31 are located heel groove 101 and arc depressed groove 110 below respectively, gasbag 3 is connected with pressure relief mechanism 5, pressure relief mechanism 5 includes four electromagnetic relief valves 50, four electromagnetic relief valves 50 are connected in two heel gasbags 30 and two shank gasbags 31 respectively, four electromagnetic relief valves 50, flexible film pressure sensor 4 and alarm device 2 all with the control system electric connection, when patient heel 10 and/or shank pressurized too big, the quick pressure release of gasbag 3 that is located this position bottom can be controlled to the controller.

The alarm device 2 comprises a voice alarm 20 and a signal emitter 21, when the patient is in a sleep state, the voice alarm 20 can wake up the patient and prompt the patient to turn over or adjust the posture; the signal transmitter 21 can establish connection with a mobile phone of a nursing staff through Wi-Fi, Bluetooth, 4G or 5G technologies, and for a patient who loses mobility, the signal transmitter 21 can send the pressure condition or alarm information of the patient to the mobile phone of the nursing staff, so that the nursing staff can know the information and respond even if the nursing staff is not at the patient.

The heel part 10 is provided with a rectangular supporting plate 6 for preventing foot drop, the supporting plate 6 and the heel part 10 are rotatably connected with a shaft 102 on the heel part 10 through a through hole 60 on the supporting plate 6, a locking structure 7 for locking the supporting plate 6 and the heel part 10 is arranged at the joint of the supporting plate 6 and the heel part 10, the locking structure 7 comprises a locking member 70 and a spring 71, the locking member 70 comprises a positioning part 701, a connecting part 702 and a pressing part 703, the button member is made of hard material, the connecting part 702 and the pressing part 703 are positioned in an internal channel of the heel part 10, the positioning part 701 and the pressing part 703 realize vertical synchronous movement through the connecting part 702, the through hole 60 is circumferentially provided with eighteen completely penetrating rectangular positioning grooves at equal intervals, the shaft 102 is provided with a completely penetrating rectangular opening 601, the positioning grooves are communicated with the opening 601, when the pressing part 703 is not pressed, the upper end of the positioning part 701 is positioned in the positioning groove, the lower end is positioned in the opening 601 so that the supporting plate 6 can not rotate, the supporting plate 6 is locked with the heel part 10, when the pressing part 703 is pressed down, the positioning part 701 is completely positioned in the opening 601, and when the supporting plate 6 can be rotated to adjust the angle to be proper, the button is loosened to lock the supporting plate 6;

the supporting plate 6 is provided with two fixing bands 61 on the surface of one side facing the heel groove 101, the fixing bands 61 are made of elastic skin-friendly materials, the feet 9 of a patient can be placed into the fixing bands 61 after being unfolded, and a plurality of protrusions 62 are arranged on the surface of one side, facing the heel groove 101, of the supporting plate 6, and in contact with the bottoms of the feet 9.

The middle of the leg supporting part 11 is provided with a baffle 8 for separating the two legs, the baffle 8 is movably connected with the leg supporting part 11, the middle part of the leg supporting part 11 is provided with a receiving groove 80, the baffle 8 can be upwards opened and downwards embedded into the receiving groove 80, the baffle 8 is used for separating the two legs, and the pressure damage caused by the extrusion of the protruding parts such as ankle joints and the like can be avoided.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A lower limb pressure injury prevention device is characterized in that: the pillow comprises a pillow body (1), a control system and an alarm device (2), wherein the pillow body (1) comprises a heel part (10) and a leg supporting part (11), one side edge of the heel part (10) is connected with the leg supporting part (11) in a smooth transition mode, and the heel part (10) is provided with a supporting plate (6) for preventing foot drop and two downward-sunken heel grooves (101);

heel portion (10) and shank bearing portion (11) inside all are equipped with gasbag (3), gasbag (3) are connected with pressure release mechanism (5), are equipped with flexible film pressure sensor (4) between gasbag (3) and pillow body (1) upper surface, flexible film pressure sensor (4) and alarm device (2) all with the control system electric connection.

2. The lower limb pressure injury prevention device of claim 1, wherein: the leg supporting part (11) comprises two arc-shaped concave grooves (110) used for placing the lower legs, the two arc-shaped concave grooves (110) are arranged in parallel, the arc-shaped concave grooves (110) are obliquely arranged, and the higher end of the arc-shaped concave groove (110) is connected with the heel groove (101).

3. The lower limb pressure injury prevention device of claim 2, wherein: the utility model discloses a leg air bag, including heel gasbag (30) and shank gasbag (31), gasbag (3), heel gasbag (30) and shank gasbag (31) are located heel groove (101) and arc depressed groove (110) below respectively, pressure release mechanism (5) include a plurality of electromagnetism relief valves (50), and heel gasbag (30) and shank gasbag (31) all are connected with electromagnetism relief valve (50), electromagnetism relief valve (50) and control system electric connection.

4. The lower limb pressure injury prevention device of claim 1, wherein: the supporting plate (6) is rotatably connected with the heel part (10), and a locking structure (7) used for locking the supporting plate (6) and the heel part (10) is arranged at the joint of the supporting plate (6) and the heel part (10).

5. The lower limb pressure injury prevention device of claim 4, wherein: two fixing straps (61) are arranged on the surface of one side, facing the heel groove (101), of the supporting plate (6).

6. The lower limb pressure injury prevention device of claim 1 or 4, wherein: a plurality of bulges (62) are arranged on the surface of one side of the supporting plate (6) facing the heel groove (101).

7. The lower limb pressure injury prevention device of claim 1, wherein: the alarm device (2) comprises a voice alarm (20).

8. The lower limb pressure injury prevention device of claim 7, wherein: the alarm device (2) is provided with a signal transmitter (21), and the signal transmitter (21) is connected with the mobile terminal through Wi-Fi, Bluetooth, 4G or 5G technologies.

9. The lower limb pressure injury prevention device of claim 1, wherein: the middle of the leg supporting part (11) is provided with a baffle (8) used for separating two legs.

10. The lower limb pressure injury prevention device of claim 9, wherein: the baffle (8) is movably connected with the leg bearing part (11), the middle part of the leg bearing part (11) is provided with a receiving groove (80), and the baffle (8) can be opened upwards and embedded into the receiving groove (80) downwards.