Multifunctional anti-pressure ulcer nursing shoes

Abstract

The application discloses a multifunctional pressure ulcer prevention nursing shoe and relates to the technical field of medical devices. The multifunctional pressure ulcer prevention nursing shoe comprises a shoe body, the shoe body comprises a shoe body bottom and a shoe body side, and the shoe body bottom and the shoe body side are combined to form an L-shaped foot accommodating cavity. The inside of the shoe body bottom is provided with a first cavity, and the inside of the shoe body side is provided with a second cavity. A vibration assembly is arranged in the first cavity, the vibration assembly drives the shoe body to vibrate to assist the patient in moving the feet. A monitoring assembly is arranged in the second cavity, the monitoring assembly is used for monitoring the pressure duration of the patient's feet, and when the pressure duration reaches a preset time, a start signal is sent to the vibration assembly. The technical scheme provided by the application can actively remind and assist the patient in moving the feet when the pressure duration is too long.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a multifunctional pressure ulcer prevention and care shoe. Background Technology

[0002] Pressure ulcers, also known as bedsores or pressure sores, are caused by prolonged pressure on local tissues, leading to persistent ischemia, hypoxia, malnutrition, and ultimately tissue necrosis and ulceration. They commonly occur in individuals who are bedridden for extended periods or have impaired sensory function in their limbs. Furthermore, because the feet are located at the distal end of the torso, they have poor blood supply and less muscle and fat attachment, making them prone to pressure ulcers. Although there are nursing shoes on the market designed to help bedridden patients prevent pressure ulcers on their feet, their structure and function are relatively simple. They primarily rely on the softness of the material to passively distribute pressure, lacking active monitoring and assistance mechanisms; specifically, they cannot proactively remind or assist patients to move their feet when pressure has been applied for an extended period.

[0003] It should be noted that the above content is only used to help understand the technical solution of the present invention, and does not represent an admission that the above content is prior art. Summary of the Invention

[0004] The main objective of this invention is to propose a multifunctional anti-pressure ulcer nursing shoe, which aims to proactively remind and assist patients in foot movement when pressure is applied for an extended period of time.

[0005] To achieve the above objectives, the present invention proposes a multifunctional pressure ulcer prevention and care shoe, comprising: The shoe body includes a shoe bottom and a shoe side. The shoe bottom and the shoe side combine to form an L-shaped foot receiving cavity for accommodating a patient's foot. The shoe bottom has a first chamber inside, and the shoe side has a second chamber inside. A vibration component is disposed in the first chamber, and the vibration component drives the shoe body to vibrate to assist the patient in foot movement; A monitoring component is disposed in the second chamber. The monitoring component is used to monitor the duration of pressure on the patient's foot and send a start signal to the vibration component when the duration of pressure reaches a preset time.

[0006] In one embodiment, the nursing shoe includes at least three monitoring components, which are respectively disposed in the middle region and the side regions of the shoe body; Specifically, the monitoring component includes an alerting device, a cylindrical body, a piston rod, and a first elastic element; the alerting device is installed in the first chamber on the side away from the foot receiving cavity, and the cylindrical body is installed in the first chamber on the side close to the foot receiving cavity; the piston rod is slidably connected to the inside of the cylindrical body, with a first end extending through the first chamber to the foot receiving cavity, and a second end extending through the end of the cylindrical body and facing the alerting device; a limiting ring is provided in the middle of the piston rod, the limiting ring abutting against both ends of the cylindrical body, and the limiting ring slidingly connected to the inner wall of the cylindrical body; the first elastic element is sleeved on the piston rod and disposed between the limiting ring and the end of the cylindrical body; the alerting device includes a first contact sensor and a vibration motor and / or an audio-visual generator, the first contact sensor being electrically connected to the vibration motor and / or the audio-visual generator, and the first contact sensor being used to contact the second end of the piston rod.

[0007] In one embodiment, the vibration assembly includes a support rod, a striking rod, and a second elastic element. The support rod is vertically disposed in the second chamber, and an electromagnet and a second contact sensor are respectively disposed at opposite ends of the support rod. The electromagnet and the second contact sensor are electrically connected. An S-shaped groove is provided in the middle of the support rod. One end of the striking rod is sleeved on the middle of the support rod, and a locking block and a first magnetic element are provided at one end of the striking rod. The locking block is slidably connected to the groove. The second elastic element is sleeved on the support rod and disposed between the first magnetic element and the electromagnet. Under the magnetic action of the electromagnet, the first magnetic element overcomes the elastic force of the second elastic element and drives the striking rod to move up and down along the support rod until the striking rod contacts the second contact sensor. During this process, under the guidance of the groove, the striking rod swings left and right around the support rod as an axis while moving up and down, so that the other end of the striking rod repeatedly strikes the inner walls of both sides of the second chamber, thereby causing the shoe body to vibrate.

[0008] In one embodiment, the multifunctional pressure ulcer care shoe includes an inner lining that is detachably connected to the shoe body. The inner lining is disposed in the foot cavity and laid on the bottom of the shoe body. The side of the inner lining that contacts the patient's foot is provided with a flexible and / or elastic material.

[0009] In one embodiment, the first chamber is provided with an inflation and deflation device, and a plurality of airbags are installed inside the inner lining of the shoe. The inflation and deflation device is connected to the airbags. The inflation and deflation device cyclically inflates and deflates the airbags to make the airbags alternately expand, thereby massaging the patient's feet.

[0010] In one embodiment, the inflation / deflation device is configured as an air pump; In one embodiment, the inflation / deflation device includes a telescopic drive device, a triangular drive block, an air supply pipe, and two sets of magnetic drive assemblies; the drive end of the telescopic drive device is connected to the triangular drive block; the triangular drive block is aligned with the middle position of the air supply pipe, and the two inclined surfaces of the triangular drive block face the air supply pipe; each set of magnetic drive assemblies includes a connecting rod, a movable ring, and a second magnetic element; one end of the connecting rod is slidably connected to the inclined surface of the triangular drive block, and the other end of the connecting rod is fixedly connected to the movable ring, the movable ring is movably sleeved on the air supply pipe, and the second magnetic element is slidably connected inside the air supply pipe, and the... The second magnetic component is sealed to the inner wall of the air supply pipe, and the moving ring is magnetically attracted to the second magnetic component. When the telescopic drive device drives the triangular drive block to move closer to or away from the air supply pipe, the connecting rod is pushed by the inclined surface of the triangular drive block, causing the moving ring to slide along the axial direction of the air supply pipe. During this period, the second magnetic component is simultaneously slid along the axial direction of the air supply pipe by the magnetic force of the moving ring, so as to squeeze the air in the air supply pipe into the airbag. The two second magnetic components of the two sets of magnetic drive assemblies are arranged at intervals, and the section of the air supply pipe between the two second magnetic components is provided with a vent hole.

[0011] In one embodiment, the shoe body has at least two first interface portions on the side facing the shoe lining, and the first interface portions are connected to the inflation / deflation device through first conduits; the shoe lining has at least two second interface portions on the side facing the shoe body, and the second interface portions are connected to the air bladder through second conduits; the first interface portions and the second interface portions are arranged in a one-to-one correspondence; the first interface portions and the second interface portions are sealed and fastened together so that the first conduits are connected to the second conduits, and the shoe body is connected to the shoe lining.

[0012] In one embodiment, the first chamber is provided with an inflation and deflation device, and the inner lining of the shoe is provided with a cleaning component. The cleaning component uses the inflation and deflation device as a power source to perform cleaning operations on the patient's feet. Specifically, the cleaning component includes a third chamber and a fourth chamber disposed in the inner lining of the shoe, the fourth chamber being located at the periphery of the third chamber; the fourth chamber is higher than the third chamber, and the fourth chamber has several air jet holes located in the area of ​​the fourth chamber above the third chamber, with the air jet holes facing the patient's foot; the several air jet holes are spaced apart along the periphery of the inner lining of the shoe; the third chamber is divided into an upper chamber and a lower chamber by a partition, the upper chamber storing cleaning fluid, and the lower chamber being connected to the inflation / deflation device; the fourth chamber is spaced apart by several cleaning devices, each corresponding to one of the air jet holes; the cleaning devices are used to perform air jet operation or spray cleaning fluid operation on the patient's foot according to the output gas flow rate of the inflation / deflation device.

[0013] In one embodiment, the cleaning device includes a first transmission pipe, a second transmission pipe, a sliding block, and a third elastic element. The first transmission pipe has two ends connected to the jet nozzle and the lower chamber, respectively, and a connecting hole is provided on its side. The second transmission pipe has two ends connected to the connecting hole and the upper chamber, respectively. The sliding block is slidably connected to the interior of the first transmission pipe and has a through-hole for the passage of output gas from the inflation / deflation device. The third elastic element is disposed inside the first transmission pipe, with one end connected to the sliding block and the other end connected to the inner wall of the first transmission pipe. Driven by the output gas from the inflation / deflation device, the sliding block can overcome the elastic force of the third elastic element and slide from a first position to a second position. When the sliding block is in the first position, it blocks the connecting hole. When the sliding block is in the second position, it releases the obstruction of the connecting hole, allowing the cleaning fluid to pass sequentially through the second transmission pipe, the first transmission pipe, and the jet nozzle.

[0014] In one embodiment, the shoe body includes a first fixing strap and a second fixing strap; one side of the first fixing strap is fixedly connected to one side of the bottom of the shoe body, and the other side of the first fixing strap crosses the foot receiving cavity and is detachably connected to the other side of the bottom of the shoe body; one side of the second fixing strap is fixedly connected to one side of the side of the shoe body, and the other side of the second fixing strap crosses the foot receiving cavity and is detachably connected to the other side of the side of the shoe body.

[0015] The technical solution of this invention divides the shoe body into two parts: the bottom and the side. The bottom supports the patient's foot, while the side supports the heel and ankle. A vibration component is installed in the first chamber at the bottom, and a monitoring component is installed in the second chamber at the side. The monitoring component monitors the duration of pressure on the patient's foot in real time and automatically sends a start signal to the vibration component when the pressure duration reaches a preset time. This causes the vibration component to drive the shoe body to vibrate, assisting the patient in foot movement. This proactively reminds and assists the patient in foot movement when the pressure duration is too long, significantly improving the timeliness and effectiveness of pressure ulcer prevention and possessing higher clinical practical value. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a structure of an embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 2 This is a schematic diagram of the internal structure of an embodiment of the multifunctional pressure ulcer prevention nursing shoe provided by the present invention; Figure 3 This is a schematic diagram of the structure of the shoe body in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 4 A schematic diagram of the internal structure of the shoe body in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 5 for Figure 4 Enlarged view of a portion at point A; Figure 6 This is a schematic diagram of the structure of the vibration component in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 7 This is a schematic diagram of the support rod structure in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 8 A schematic diagram of the inflation and deflation device in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 9 A schematic diagram of the inner lining of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 10 A schematic diagram of the internal structure of the insole lining in one embodiment of the multifunctional pressure ulcer care shoe provided by the present invention; Figure 11 for Figure 10 A magnified view of section B.

[0018] Explanation of reference numerals in the attached figures: 10. Shoe body; 11. Shoe bottom; 12. Shoe side; 13. Foot cavity; 14. First chamber; 15. Second chamber; 16. First interface; 17. First fixing strap; 18. Second fixing strap; 20. Vibration assembly; 21. Support rod; 211. Slide groove; 22. Knob; 222. First magnetic component; 23. Second elastic component; 24. Electromagnet; 25. Second contact sensor; 30. Monitoring component; 31. Reminder device; 32. Cylinder body; 33. Piston rod; 34. First elastic element; 35. Limiting ring; 40. Inner lining of the shoe; 42. Third chamber; 421. Partition; 422. Upper chamber; 423. Lower chamber; 43. Fourth chamber; 431. Air vent; 44. Perforation section 50. Outer edge; 60. Inflation / exhaust device; 61. Air pump; 62. Telescopic drive device; 63. Triangular drive block; 631. Guide groove; 64. Air supply pipe; 641. Vent hole; 65. Magnetic drive assembly; 651. Connecting rod; 652. Moving ring; 653. Second magnetic component; 654. Guide block; 70. Cleaning device; 71. First transmission pipe; 711. Connecting hole; 72. Second transmission pipe; 73. Sliding block; 731. Through hole; 74. Third elastic element; The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0019] The technical solutions of this invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of this invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0020] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0021] Furthermore, it should be noted that the descriptions involving "first," "second," etc., in this invention are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0022] Pressure ulcers, also known as bedsores or pressure sores, are caused by prolonged pressure on local tissues, leading to persistent ischemia, hypoxia, malnutrition, and ultimately tissue necrosis and ulceration. They commonly occur in individuals who are bedridden for extended periods or have impaired sensory function in their limbs. Furthermore, because the feet are located at the distal end of the torso, they have poor blood supply and less muscle and fat attachment, making them prone to pressure ulcers. Although there are nursing shoes on the market designed to help bedridden patients prevent pressure ulcers on their feet, their structure and function are relatively simple. They primarily rely on the softness of the material to passively distribute pressure, lacking active monitoring and assistance mechanisms; specifically, they cannot proactively remind or assist patients to move their feet when pressure has been applied for an extended period.

[0023] To address the aforementioned technical problems, this invention proposes a multifunctional pressure ulcer prevention and care shoe.

[0024] Please see Figures 1 to 2 In one embodiment of the present invention, the multifunctional pressure ulcer care shoe includes: The shoe body 10 includes a shoe bottom 11 and a shoe side 12. The shoe bottom 11 and the shoe side 12 are combined to form an L-shaped foot receiving cavity 13, which is used to receive the patient's foot. The shoe bottom 11 has a first chamber 14 inside, and the shoe side 12 has a second chamber 15 inside. Vibration component 20 is disposed in the first chamber 14. Vibration component 20 drives the shoe body 10 to vibrate to assist the patient in foot movement. The monitoring component 30 is located in the second chamber 15. The monitoring component 30 is used to monitor the duration of pressure on the patient's foot and sends a start signal to the vibration component 20 when the duration of pressure reaches a preset time.

[0025] The technical solution of this invention divides the shoe body 10 into two parts: the bottom 11 and the side 12. The bottom 11 supports the patient's foot, and the side 12 supports the patient's heel and ankle. A vibration component 20 is installed in the first chamber 14 of the bottom 11, and a monitoring component 30 is installed in the second chamber 15 of the side 12. The monitoring component 30 monitors the duration of pressure on the patient's foot in real time, and automatically sends a start signal to the vibration component 20 when the pressure duration reaches a preset time. The vibration component 20 then drives the shoe body 10 to vibrate to assist the patient in foot movement. This allows the shoe to proactively remind and assist the patient in foot movement when the pressure duration is too long, significantly improving the timeliness and effectiveness of pressure ulcer prevention and having higher clinical practical value.

[0026] Compared to traditional pressure ulcer prevention, which relies on caregivers to assist patients in turning over or adjusting their foot positions at regular intervals, this embodiment of the application enables automatic monitoring and timely intervention of the foot condition, transforming pressure ulcer prevention from "passive waiting" to "active intervention." This reduces the complexity of manual care, as well as the difficulty and intensity of care, and decreases dependence on caregivers, thereby reducing the risk of pressure ulcers at night or when there is a shortage of caregivers.

[0027] As a preferred embodiment of the above embodiments, refer to Figures 3 to 5 The nursing shoe includes at least three monitoring components 30, which are respectively located in the middle area and the two sides of the shoe body 12. With this spatial arrangement, when the patient is lying flat, the monitoring component 30 located in the middle area of ​​the shoe body 12 is located below the patient's heel or ankle and becomes the main pressure point, which can monitor the duration of pressure in this state in real time. When the patient is lying on the left or right side, the monitoring component 30 located in the corresponding side area of ​​the shoe body 12 becomes the pressure point under the patient's foot, which can monitor the duration of pressure in the side-lying state. This achieves comprehensive coverage monitoring of the pressure state of the patient's feet under different sleeping positions, avoids monitoring blind spots caused by changes in the patient's body position, and ensures that no matter what bed position the patient adopts, there is a corresponding monitoring component 30 in an effective monitoring position, which improves the comprehensiveness and reliability of pressure ulcer prevention.

[0028] Specifically, the monitoring component 30 includes an alerting device 31, a cylindrical component 32, a piston rod 33, and a first elastic element 34; the alerting device 31 is installed in the first chamber 14 on the side away from the foot receiving cavity 13, and the cylindrical component 32 is installed in the first chamber 14 on the side near the foot receiving cavity 13; the piston rod 33 is slidably connected to the inside of the cylindrical component 32, with the first end of the piston rod 33 extending through the first chamber 14 to the foot receiving cavity 13, and the second end of the piston rod 33 extending through the end of the cylindrical component 32 and toward the alerting device 31 ...2 is slidably connected to the foot receiving cavity 13, and the first elastic element 34 is slidably connected to the foot receiving cavity 13. A limiting ring 35 is provided in the middle of the piston rod 33. The limiting ring 35 abuts against the two ends of the cylindrical part 32, and the limiting ring 35 is slidably connected to the inner wall of the cylindrical part 32. The first elastic member 34 is sleeved on the piston rod 33 and is disposed between the limiting ring 35 and the end of the cylindrical part 32. The reminder device 31 includes a first contact sensor and a vibration motor and / or an audio-visual generator. The first contact sensor is electrically connected to the vibration motor and / or the audio-visual generator. The first contact sensor is used to make contact with the second end of the piston rod 33.With this configuration, the monitoring component 30 consists of four parts: an alerting device 31, a cylindrical component 32, a piston rod 33, and a first elastic element 34. The alerting device 31 is fixedly installed inside the first chamber 14 on the side furthest from the foot-accommodating cavity 13 (i.e., the outer side). The cylindrical component 32 is fixedly installed inside the first chamber 14 on the side closest to the foot-accommodating cavity 13 (i.e., the inner side). The piston rod 33 is slidably disposed inside the cylindrical component 32, with its first end extending through the inner wall of the first chamber 14 into the foot-accommodating cavity. The piston rod 33 is positioned in direct contact with the patient's foot within cavity 13. The second end of the piston rod 33 extends outward through the end of the cylindrical component 32 and faces the reminder device 31. A limiting ring 35 is provided in the middle of the piston rod 33. The outer diameter of the limiting ring 35 is larger than the inner diameter of the openings at both ends of the cylindrical component 32. Therefore, the limiting ring 35 can abut against the ends of the cylindrical component 32, thereby limiting the sliding range of the piston rod 33. Simultaneously, the outer wall of the limiting ring 35 fits against the inner wall of the cylindrical component 32 and is slidable, serving a guiding and sealing function. The first spring... The piston rod 34 is sleeved on the piston rod 33 and located between the limiting ring 35 and the end of the cylindrical part 32 near the reminder device 31. When the patient's foot presses the first end of the piston rod 33, the piston rod 33 slides away from the foot receiving cavity 13, overcoming the elastic force of the first elastic element 34. The reminder device 31 includes a first contact sensor and a vibration motor and / or an audio-visual generator. When the second end of the piston rod 33 gradually moves to contact the first contact sensor under the continuous push of the patient's foot under long-term pressure, the first contact sensor is triggered and sends an electrical signal to the vibration motor and / or audio-visual generator, thereby emitting a vibration and / or audio-visual reminder to prompt the patient or caregiver to adjust the foot posture in time. After the patient adjusts the posture, the pressure of the foot on the first end of the piston rod 33 decreases or is eliminated, and the piston rod 33 automatically resets under the action of the restoring force of the first elastic element 34. The second end of the piston rod 33 disengages from the first contact sensor, and the reminder stops, thereby realizing the function of monitoring the duration of pressure and automatic reminder based on the mechanical delay structure.

[0029] In one embodiment, one or more of the following factors can be adjusted: the friction between the limiting ring 35 and the inner wall of the cylindrical component 32, the elastic modulus of the first elastic element 34, and the distance between the piston rod 33 and the reminder device 31. This extends the time from the start of the piston rod 33's movement to contact with the contact sensor to 15 to 25 minutes (i.e., the duration of pressure). Immediately after the piston rod 33 contacts the contact sensor, it drives a vibration motor to vibrate or an audio-visual generator to emit an audio-visual signal, reminding the patient to change the position of their foot, shift the pressure area, avoid prolonged pressure on one area of ​​the foot, and prevent pressure sores.

[0030] In another embodiment, when the piston rod 33 is subjected to force, it comes into contact with the contact sensor. At this time, the contact sensor sends a signal to the controller, and the controller starts timing. When the timing exceeds 15 minutes (i.e., the pressure duration), the controller activates the vibration motor and / or the sound and light generator to remind the patient to change the position of their foot. The method of controlling the pressure ulcer prevention time can be selected according to actual needs, and this application does not limit it. If the patient moves their foot during the pressure ulcer prevention time, changing the pressure area and causing the pressure time to be less than 15 minutes, the piston rod 33 will reset under the action of the first elastic element 34, moving away from the contact sensor, and the pressure ulcer prevention time will be recalculated.

[0031] It should be noted that the power supply device for the aforementioned controller and components such as the vibration motor and sound and light generator can be located inside the shoe body 10 (first chamber 14 or second chamber 15) or outside the shoe body 10; the touch sensor can also transmit signals to the controller via wireless transmission methods such as Bluetooth, which can be set according to actual needs, and this application does not limit it.

[0032] As a preferred embodiment of the above embodiments, refer to Figures 6 to 7The vibration assembly 20 includes a support rod 21, a striking rod 22, and a second elastic element 23. The support rod 21 is vertically disposed in the second chamber 15, and an electromagnet 24 and a second contact sensor 25 are respectively disposed at opposite ends of the support rod 21. The electromagnet 24 and the second contact sensor 25 are electrically connected. An S-shaped groove 211 is disposed in the middle of the support rod 21. One end of the striking rod 22 is sleeved in the middle of the support rod 21, and a locking block (not shown in the figure) and a first magnetic element 222 are disposed at one end of the striking rod 22. The locking block is slidably connected to the groove 211. The second elastic element 23... The component 23 is sleeved on the support rod 21 and positioned between the first magnetic component 222 and the electromagnet 24. Under the magnetic action of the electromagnet 24, the first magnetic component 222 overcomes the elastic force of the second elastic component 23 and drives the striking rod 22 to move up and down along the support rod 21 until the striking rod 22 contacts the second contact sensor 25. During this period, under the guidance of the slide groove 211, the striking rod 22 moves up and down while swinging left and right around the support rod 21 as the axis, so that the other end of the striking rod 22 repeatedly strikes the inner walls of both sides of the second chamber 15, thereby causing the shoe body 10 to vibrate. With this configuration, the vibration component 20 adopts a structure combining electromagnetic drive and mechanical guidance: when the monitoring component 30 is triggered, the electromagnet 24 is energized to generate magnetism, and through the magnetic repulsion between it and the first magnetic element 222, it drives the striking rod 22 to overcome the elastic force of the second elastic element 23 and move downward along the support rod 21. During this process, the locking block slides along the S-shaped groove 211, forcing the striking rod 22 to swing left and right around the support rod 21 as the axis while moving up and down. This causes the free end of the striking rod 22 to repeatedly strike the inner walls of both sides of the second chamber 15, causing the shoe body 10 to generate compound vibration. When the striking rod 22 moves to contact the second contact sensor 25, the second contact sensor 25 sends a signal to de-energize the electromagnet 24. The striking rod 22 resets upward under the action of the restoring force of the second elastic element 23, and during the reset process, it swings left and right again due to the guiding effect of the S-shaped groove 211. This process is repeated to achieve multiple automatic cyclic auxiliary vibrations under a single trigger, effectively driving the patient's foot to move in multiple directions to change the pressure area.

[0033] Furthermore, the bottom of the groove 211 is configured as an arc structure, and the end of the locking block is configured as a spherical structure, which can reduce the contact area between the locking block and the groove 211, reduce the friction between the two, and improve the smoothness of the left and right swaying of the knocking rod 22.

[0034] As a preferred embodiment of the above embodiments, refer to Figures 9 to 10The multifunctional pressure ulcer care shoe includes an inner lining 40, which is detachably connected to the shoe body 10. The inner lining 40 is located in the foot cavity 13 and laid on the bottom 11 of the shoe body. The side of the inner lining 40 that contacts the patient's foot is provided with flexible and / or elastic material. This design, with the detachable inner lining 40, allows for improved comfort for the patient's foot and reduces local pressure concentration points. Furthermore, the inner lining 40 can be individually removed for washing or replacement, helping to maintain the hygiene of the care shoe, reducing the risk of cross-infection, extending the lifespan of the shoe body 10, and reducing usage costs.

[0035] Furthermore, the shoe inner lining 40 has a perforation 44 for the piston rod 33 to pass through. This perforation 44 is positioned corresponding to the first end of the piston rod 33 in the monitoring component 30, ensuring that the first end of the piston rod 33 can pass through the shoe inner lining 40 and extend into the foot cavity 13 to directly contact the patient's foot. This ensures that the shoe inner lining 40 provides comfortable protection for the foot without affecting the normal detection function of the monitoring component 30 in detecting pressure duration. In addition, during the installation of the shoe body 10 and the shoe inner lining 40, the perforation 44 and the piston rod 33 can also be positioned and fixed, further improving the installation stability of the shoe body 10 and the shoe inner lining 40.

[0036] Furthermore, the edge of the shoe lining 40 extends to form an outer edge 50, which is laid on the side of the shoe body 12. This design provides more comprehensive flexible contact and pressure cushioning for the patient's heel and ankle areas through the outer edge 50.

[0037] As a preferred embodiment of the above embodiments, refer to Figure 4 The first chamber 14 is equipped with an inflation / deflation device 60, and several airbags (not shown in the attached diagram) are installed inside the shoe lining 40. The inflation / deflation device 60 is connected to the airbags. The inflation / deflation device 60 cyclically inflates and deflates the airbags, causing them to expand and contract alternately, thus massaging the patient's feet. This configuration, through the cyclic inflation / deflation of the airbags by the inflation / deflation device 60, creates periodic pressure on the patient's feet, achieving an active massage function for the soles of the feet. This massage effectively promotes blood circulation in the feet, relieves muscle fatigue, and further reduces the risk of pressure sores. Simultaneously, the airbag massage and the vibration component 20 work together to form a multi-layered preventative care system, improving the overall preventative effect of the nursing shoe.

[0038] In one embodiment, the inflation / deflation device 60 is configured as an air pump 61. With this configuration, a conventional electric or pneumatic air pump 61 is used as the power source for inflation / deflation. By controlling the start, stop, or reversal of the air pump 61, the inflation and deflation operations are directly performed on several air bladders in the inner lining 40 of the shoe, causing the air bladders to alternately expand and contract, thereby achieving cyclical pressure massage of the patient's foot. This configuration has the advantages of mature structure, simple control, large inflation / deflation flow rate, and rapid response, and is convenient for integrated design and mass production.

[0039] In another embodiment, reference Figure 8 The inflation / deflation device 60 includes a telescopic drive device 62, a triangular drive block 63, an air supply pipe 64, and two sets of magnetic drive components 65. The drive end of the telescopic drive device 62 is connected to the triangular drive block 63. The triangular drive block 63 is aligned with the middle position of the air supply pipe 64, and the two inclined surfaces of the triangular drive block 63 face the air supply pipe 64. Each set of magnetic drive components 65 includes a connecting rod 651, a moving ring 652, and a second magnetic element 653. One end of the connecting rod 651 is slidably connected to the inclined surface of the triangular drive block 63, and the other end of the connecting rod 651 is fixedly connected to the moving ring 652. The moving ring 652 is movably sleeved on the air supply pipe 64, and the second magnetic element 653 is slidably connected to the inside of the air supply pipe 64. The second magnetic component 653 is sealed to the inner wall of the air supply pipe 64, and the moving ring 652 is magnetically attracted to the second magnetic component 653. When the telescopic drive device 62 drives the triangular drive block 63 to move closer to or away from the air supply pipe 64, the connecting rod 651 is pushed by the inclined surface of the triangular drive block 63, causing the moving ring 652 to slide along the axial direction of the air supply pipe 64. During this period, the second magnetic component 653 is simultaneously slid along the axial direction of the air supply pipe 64 by the magnetic force of the moving ring 652, so as to squeeze the air in the air supply pipe 64 into the air bag. The two second magnetic components 653 of the two sets of magnetic drive components 65 are arranged at intervals, and the section of the air supply pipe 64 between the two second magnetic components 653 is provided with a vent hole 641. With this configuration, the inflation / deflation device 60 uses a mechanical drive structure instead of the traditional air pump 61: when the telescopic drive device 62 drives the triangular drive block 63 to approach the air supply pipe 64, the inclined surface of the triangular drive block 63 pushes the connecting rod 651 to drive the moving ring 652 to slide outward along the axial direction of the air supply pipe 64. The moving ring 652 drives the second magnetic component 653 to slide outward through magnetic attraction, thereby squeezing the air in the air supply pipe 64 into the airbag to achieve inflation; when the triangular drive block 63 moves away from the air supply pipe 64, the connecting rod 651 drives the moving ring 652 and the second magnetic component 653 to reset inward, thereby achieving deflation; the two second magnetic components 653 in the two sets of magnetic drive components 65 are arranged at intervals, and the section of the air supply pipe 64 between them is provided with a vent hole 641 to balance the air pressure between the two second magnetic components 653, avoiding the increase of sliding resistance or sealing failure due to negative pressure, thereby achieving low-noise, electromagnetic interference-free cyclic inflation and deflation to drive the airbag to alternately expand and contract.

[0040] Furthermore, the inclined surface of the triangular drive block 63 is provided with a dovetail-shaped guide groove 631; one end of the connecting rod 651 is provided with a T-shaped guide block 654, and the guide block 654 is slidably connected to the guide groove 631. This arrangement ensures that as the triangular drive block 63 moves closer or further away, the connecting rod 651 can always maintain contact with the inclined surface of the triangular drive block 63, thereby driving the moving ring 652 to slide back and forth along the axial direction of the gas pipeline 64.

[0041] Furthermore, a sealing layer (not shown in the attached figure) is provided between the second magnetic component 653 and the gas transmission pipe 64 to ensure the airtightness of the gas transmission pipe 64. Even further, a magnetic shielding layer (not shown in the attached figure) is provided on the side of each of the two second magnetic components 653 that are close to each other to reduce the magnetic influence between them.

[0042] As a preferred embodiment of the above, the shoe body 10 has at least two first interface portions 16 on the side facing the shoe inner lining 40, and the first interface portions 16 are connected to the inflation / deflation device 60 through a first conduit (not shown in the figure); the shoe inner lining 40 has at least two second interface portions (not shown in the figure) on the side facing the shoe body 10, and the second interface portions are connected to the airbag through a second conduit (not shown in the figure); the first interface portions 16 and the second interface portions are provided in a one-to-one correspondence; the first interface portions 16 and the second interface portions are sealed and fastened together so that the first conduit and the second conduit are connected, and the shoe body 10 is connected to the shoe inner lining 40. This configuration enables airflow communication between the inflation / deflation device 60 and the airbag, as well as a detachable and fixed connection between the shoe body 10 and the shoe lining 40. Specifically, the first interface 16 and the second interface are provided in a one-to-one correspondence and are connected to each other by a sealing fastening method. On the one hand, this ensures that the first conduit and the second conduit are sealed and connected, ensuring that the output gas of the inflation / deflation device 60 can be smoothly delivered to the airbag through the first conduit, the first interface 16, the second interface, and the second conduit. On the other hand, the fastening connection of the interface connects the shoe body 10 and the shoe lining 40, achieving a dual integration of airflow communication and mechanical connection. This facilitates the quick disassembly, cleaning, or replacement of the shoe lining 40, while the sealing fastening structure effectively prevents gas leakage and ensures the reliability of the airbag inflation / deflation operation.

[0043] As a preferred embodiment of the above, the first chamber 14 is provided with an inflation / deflation device 60, and the shoe inner lining 40 is provided with a cleaning component. The cleaning component uses the inflation / deflation device 60 as a power source to clean the patient's feet. This configuration allows the inflation / deflation device 60 to simultaneously serve as the power source for the cleaning component, enabling both cleaning and massage functions to share a single power source. The cleaning component can simultaneously clean the patient's feet while preventing pressure sores, keeping the feet dry and reducing the probability of prolonged exposure of the skin to a damp environment (the skin's pressure tolerance threshold decreases by 50% in a damp environment). This reduces the likelihood of problems such as softening of the stratum corneum, increased skin permeability, and increased skin damage from pressure and friction caused by dampness.

[0044] Specifically, refer to Figures 9 to 10 The cleaning component includes a third chamber 42 and a fourth chamber 43 disposed in the shoe lining 40. The fourth chamber 43 is located around the periphery of the third chamber 42. The fourth chamber 43 is higher than the third chamber 42. The fourth chamber 43 has several air jet holes 431 located in the area of ​​the fourth chamber 43 that is higher than the third chamber 42, and the air jet holes 431 face the patient's foot. The several air jet holes 431 are spaced apart along the periphery of the shoe lining 40. The third chamber 42 is divided into an upper chamber 422 and a lower chamber 423 by a partition 421. The upper chamber 422 stores cleaning fluid, and the lower chamber 423 is connected to the inflation / deflation device 60. The fourth chamber 43 is spaced apart by several cleaning devices 70, each corresponding to one of the air jet holes 431. The cleaning devices 70 are used to perform air jet operation or spray cleaning fluid operation on the patient's foot according to the output gas flow rate of the inflation / deflation device 60. This configuration, through the double-chamber structure and the power output of the inflation and deflation device 60, enables automatic switching between two modes: air-jet drying and spray disinfection. Specifically, the cleaning device 70 can automatically switch its working mode according to the output gas flow rate of the inflation and deflation device 60: when the gas flow rate is low, it performs an air-jet operation to dry the patient's feet; when the gas flow rate is high, it performs a cleaning liquid spray operation to disinfect the patient's feet. Thus, without adding additional control components, it achieves dual functions of drying and disinfection driven by the same gas source.

[0045] Further, refer to Figure 11The cleaning device 70 includes a first transmission pipe 71, a second transmission pipe 72, a sliding block 73, and a third elastic element 74. The two ends of the first transmission pipe 71 are connected to an air jet port 431 and a lower chamber 423, respectively. A connecting hole 711 is provided on the side of the first transmission pipe 71. The two ends of the second transmission pipe 72 are connected to the connecting hole 711 and an upper chamber 422, respectively. The sliding block 73 is slidably connected to the interior of the first transmission pipe 71. The sliding block 73 has a through hole 731 for allowing the output gas from the exhaust device 60 to pass through. The third elastic element 74 is disposed on the first transmission pipe 71. Inside the transmission pipe 71, one end of the third elastic member 74 is connected to the sliding block 73, and the other end of the third elastic member 74 is connected to the inner wall of the first transmission pipe 71. Under the push of the output gas of the inflation and deflation device 60, the sliding block 73 can overcome the elastic force of the third elastic member 74 and slide from the first position to the second position. When the sliding block 73 is in the first position, the sliding block 73 blocks the connection hole 711. When the sliding block 73 is in the second position, the sliding block 73 releases the blockage of the connection hole 711, so that the cleaning fluid can pass through the second transmission pipe 72, the first transmission pipe 71 and the jet hole 431 in sequence. With this configuration, the cleaning device 70 employs an airflow-driven structure where a sliding block 73 engages with an elastic element, enabling automatic switching control based on gas flow rate: When the charging / draining device 60 outputs low-speed gas, the gas thrust is insufficient to overcome the elastic force of the third elastic element 74, and the sliding block 73 remains in the first position. At this time, the outer wall of the sliding block 73 blocks the connecting hole 711, preventing the cleaning fluid from entering the first transmission pipe 71. The gas flows only through the through hole 731 to the jet hole 431, performing the jet drying operation; when the charging / draining device 60 outputs high-speed gas, the gas thrust increases and overcomes the elastic force of the third elastic element 74, pushing... The sliding block 73 moves from the first position to the second position. At this time, the sliding block 73 releases its obstruction of the connection hole 711. The cleaning liquid in the upper chamber 422 flows into the first transmission pipe 71 through the second transmission pipe 72 under the action of gravity and negative air pressure. Under the drive of high-speed airflow, it is atomized and sprayed out through the jet hole 431, performing spray disinfection operation under the Venturi effect. When the gas flow rate decreases, the sliding block 73 automatically resets to the first position under the action of the restoring force of the third elastic element 74, blocking the connection hole 711 again and restoring the drying mode. Thus, the automatic switching between drying and disinfection based on the same air source and a single air path structure is realized.

[0046] In this embodiment, the Venturi effect is a fluid dynamics phenomenon in which the velocity of a confined fluid (such as gas or liquid) increases while its static pressure decreases as it flows through a constricted channel, similar to the working principle of a medical nebulizer.

[0047] In this embodiment, the patient's foot condition changes, and the distribution of the cleaning fluid changes accordingly due to gravity. Among the multiple cleaning components, the cleaning components corresponding to the pressure area of ​​the patient's foot perform a spray cleaning operation, while the cleaning components for other unpressured areas perform a blow cleaning operation. This can reduce cleaning fluid consumption and extend service life.

[0048] As a preferred embodiment of the above embodiments, refer to Figure 1 The shoe body 10 includes a first fixing strap 17 and a second fixing strap 18. One side of the first fixing strap 17 is fixedly connected to one side of the shoe bottom 11, and the other side of the first fixing strap 17 crosses the foot receiving cavity 13 and is detachably connected to the other side of the shoe bottom 11. One side of the second fixing strap 18 is fixedly connected to one side of the shoe side 12, and the other side of the second fixing strap 18 crosses the foot receiving cavity 13 and is detachably connected to the other side of the shoe side 12. This configuration allows the first fixing strap 17 and the second fixing strap 18 to secure the patient's instep and ankle respectively, reliably fixing the patient's foot within the foot receiving cavity 13. This prevents the nursing shoe from falling off the foot when the vibration component 20 is working or when the patient is unconsciously moving, ensuring that the monitoring component 30 and the vibration component 20 can work continuously and effectively. Simultaneously, the first fixing strap 17 / second fixing strap 18 uses a detachable connection method (such as Velcro), and its length is adjustable, adapting to different patient foot sizes and improving the universality and wearing comfort of the nursing shoe.

[0049] It should be noted that the other contents of the multifunctional pressure ulcer care shoe disclosed in this invention are prior art and will not be described in detail here.

[0050] The above are merely optional embodiments of the present invention and do not limit the patent scope of the present invention. Any application of the present invention directly or indirectly in other related technical fields is included within the patent protection scope of the present invention.

Claims

1. A multifunctional pressure ulcer prevention and care shoe, characterized in that, include: The shoe body includes a shoe bottom and a shoe side. The shoe bottom and the shoe side combine to form an L-shaped foot receiving cavity for accommodating a patient's foot. The shoe bottom has a first chamber inside, and the shoe side has a second chamber inside. A vibration component is disposed in the first chamber, and the vibration component drives the shoe body to vibrate to assist the patient in foot movement; A monitoring component is disposed in the second chamber. The monitoring component is used to monitor the duration of pressure on the patient's foot and send a start signal to the vibration component when the duration of pressure reaches a preset time.

2. The multifunctional pressure ulcer care shoe as described in claim 1, characterized in that: The nursing shoe includes at least three monitoring components, which are respectively disposed in the middle area and the two side areas of the side of the shoe body; Specifically, the monitoring component includes an alerting device, a cylindrical component, a piston rod, and a first elastic element; the alerting device is installed in the first chamber on the side away from the foot receiving cavity, and the cylindrical component is installed in the first chamber on the side close to the foot receiving cavity; the piston rod is slidably connected to the inside of the cylindrical component, with a first end of the piston rod extending through the first chamber to the foot receiving cavity, and a second end of the piston rod extending through the end of the cylindrical component and toward the alerting device; A limiting ring is provided in the middle of the piston rod, the limiting ring abuts against the two ends of the cylindrical component, and the limiting ring is slidably connected to the inner wall of the cylindrical component; the first elastic element is sleeved on the piston rod and is disposed between the limiting ring and the end of the cylindrical component. The reminder device includes a first contact sensor and a vibration motor and / or an audio-visual generator. The first contact sensor is electrically connected to the vibration motor and / or the audio-visual generator, and the first contact sensor is used to make contact with the second end of the piston rod.

3. The multifunctional pressure ulcer care shoe as described in claim 1, characterized in that: The vibration assembly includes a support rod, a striking rod, and a second elastic element. The support rod is vertically disposed in the second chamber, and an electromagnet and a second contact sensor are respectively disposed at opposite ends of the support rod. The electromagnet and the second contact sensor are electrically connected. An S-shaped groove is disposed in the middle of the support rod. One end of the striking rod is sleeved on the middle of the support rod, and a locking block and a first magnetic element are disposed at one end of the striking rod. The locking block is slidably connected to the groove. The second elastic element is sleeved on the support rod and disposed between the first magnetic element and the electromagnet. Under the magnetic action of the electromagnet, the first magnetic element overcomes the elastic force of the second elastic element and drives the striking rod to move up and down along the support rod until the striking rod contacts the second contact sensor. During this process, under the guidance of the groove, the striking rod swings left and right around the support rod as an axis while moving up and down, so that the other end of the striking rod repeatedly strikes the inner walls of both sides of the second chamber, thereby causing the shoe body to vibrate.

4. The multifunctional pressure ulcer care shoe as described in claim 1, characterized in that: The multifunctional pressure ulcer care shoe includes an inner lining that is detachably connected to the shoe body. The inner lining is located in the foot cavity and laid on the bottom of the shoe body. The side of the inner lining that contacts the patient's foot is provided with a flexible and / or elastic material.

5. The multifunctional pressure ulcer care shoe as described in claim 4, characterized in that: The first chamber is equipped with an inflation and deflation device, and a number of air bladders are installed inside the inner lining of the shoe. The inflation and deflation device is connected to the air bladders. The inflation and deflation device cyclically inflates and deflates the air bladders to make them alternately expand, thereby massaging the patient's feet.

6. The multifunctional pressure ulcer care shoe as described in claim 5, characterized in that: The inflation / deflation device is configured as an air pump; Alternatively, the inflation / deflation device includes a telescopic drive device, a triangular drive block, an air supply pipe, and two sets of magnetic drive assemblies; the drive end of the telescopic drive device is connected to the triangular drive block; the triangular drive block is aligned with the middle position of the air supply pipe, and the two inclined surfaces of the triangular drive block face the air supply pipe; each set of magnetic drive assemblies includes a connecting rod, a movable ring, and a second magnetic component; one end of the connecting rod is slidably connected to the inclined surface of the triangular drive block, and the other end of the connecting rod is fixedly connected to the movable ring, the movable ring is movably sleeved on the air supply pipe, and the second magnetic component is slidably connected inside the air supply pipe, and the second magnetic component... Two magnetic components are sealed to the inner wall of the air supply pipe, and the moving ring is magnetically attracted to the second magnetic component. When the telescopic drive device drives the triangular drive block to move closer to or away from the air supply pipe, the connecting rod is pushed by the inclined surface of the triangular drive block, causing the moving ring to slide along the axial direction of the air supply pipe. During this period, the second magnetic component is simultaneously slid along the axial direction of the air supply pipe by the magnetic force of the moving ring, so as to squeeze the air in the air supply pipe into the airbag. The two second magnetic components of the two sets of magnetic drive assemblies are arranged at intervals, and the section of the air supply pipe between the two second magnetic components is provided with a vent hole.

7. The multifunctional pressure ulcer care shoe as described in claim 5, characterized in that: The shoe body has at least two first interface portions on the side facing the shoe lining, and the first interface portions are connected to the inflation / deflation device through first conduits; the shoe lining has at least two second interface portions on the side facing the shoe body, and the second interface portions are connected to the air bladder through second conduits; the first interface portions and the second interface portions are arranged in a one-to-one correspondence; the first interface portions and the second interface portions are sealed and fastened together so that the first conduit is connected to the second conduit, and the shoe body is connected to the shoe lining.

8. The multifunctional pressure ulcer care shoe as described in claim 4, characterized in that: The first chamber is equipped with an inflation and deflation device, and the inner lining of the shoe is equipped with a cleaning component. The cleaning component uses the inflation and deflation device as a power source to perform cleaning operations on the patient's feet. Specifically, the cleaning component includes a third chamber and a fourth chamber disposed in the inner lining of the shoe, the fourth chamber being located at the periphery of the third chamber; the fourth chamber is higher than the third chamber, and the fourth chamber has several air jet holes located in the area of ​​the fourth chamber above the third chamber, with the air jet holes facing the patient's foot; the several air jet holes are spaced apart along the periphery of the inner lining of the shoe; the third chamber is divided into an upper chamber and a lower chamber by a partition, the upper chamber storing cleaning fluid, and the lower chamber being connected to the inflation / deflation device; the fourth chamber is spaced apart by several cleaning devices, each corresponding to one of the air jet holes; the cleaning devices are used to perform air jet operation or spray cleaning fluid operation on the patient's foot according to the output gas flow rate of the inflation / deflation device.

9. The multifunctional pressure ulcer care shoe as described in claim 8, characterized in that: The cleaning device includes a first transmission pipe, a second transmission pipe, a sliding block, and a third elastic element. The two ends of the first transmission pipe are respectively connected to the jet hole and the lower chamber, and a connecting hole is provided on the side of the first transmission pipe. The two ends of the second transmission pipe are respectively connected to the connecting hole and the upper chamber. The sliding block is slidably connected to the interior of the first transmission pipe and has a through-hole for the output gas from the inflation / deflation device to pass through. The third elastic element is disposed inside the first transmission pipe, with one end connected to the sliding block and the other end connected to the inner wall of the first transmission pipe. Driven by the output gas from the inflation / deflation device, the sliding block can overcome the elastic force of the third elastic element and slide from a first position to a second position. When the sliding block is in the first position, it blocks the connecting hole. When the sliding block is in the second position, it releases the obstruction of the connecting hole, allowing the cleaning fluid to pass sequentially through the second transmission pipe, the first transmission pipe, and the jet hole.

10. The multifunctional pressure ulcer care shoe as described in any one of claims 1 to 9, characterized in that: The shoe body includes a first fixing strap and a second fixing strap; one side of the first fixing strap is fixedly connected to one side of the bottom of the shoe body, and the other side of the first fixing strap crosses the foot receiving cavity and is detachably connected to the other side of the bottom of the shoe body; one side of the second fixing strap is fixedly connected to one side of the side of the shoe body, and the other side of the second fixing strap crosses the foot receiving cavity and is detachably connected to the other side of the side of the shoe body.

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