Wearable old-age hip fracture postoperative protection device

By combining internal and external airbag design with multiple mechanisms, the problems of existing devices affecting rehabilitation and sweating in summer have been solved, achieving stability and breathability of the hip protection device and improving the postoperative rehabilitation effect of elderly patients with hip fractures.

CN121868018APending Publication Date: 2026-04-17BEIJING JISHUITAN HOSPITAL
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Patent Information

Application Number
CN202311732153.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-12-16
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing hip fracture protection devices have issues with waist belt tightness affecting rehabilitation, and airbags can impede airflow, leading to sweating in the hip area during summer.

Method used

It adopts an internal and external airbag design, combined with wearable, anti-movement, and adjustment mechanisms. It utilizes structures such as large buckles, shoulder straps, magnets, and heat dissipation holes to distribute weight and regulate airbag inflation, ensuring the stability and breathability of the device.

Benefits of technology

The weight of the protective device is effectively distributed to avoid affecting hip rehabilitation, prevent sweating in summer, and improve postoperative recovery.

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Abstract

The invention discloses a wearable old hip fracture postoperative protection device which comprises a protection plate, an outer air bag and an inner air bag. The outer air bag and the inner air bag are respectively adhered to the outer side and the inner side of the protection plate; the wearable mechanism is arranged on the inner side of the protection plate, and the protection device can be worn through the arrangement of the wearable mechanism; the anti-moving mechanism is arranged on the protection plate, and the phenomenon that the protection device deviates after being worn is avoided through the arrangement of the anti-moving mechanism; the adjusting mechanism is arranged on the outer side of the protection plate, and adjustment can be conducted according to the weight of the patient through the adjusting mechanism. According to the wearable old-age hip fracture postoperative protection device, an extrusion plate extrudes to enable gas in a manual air bag to enter an inner air bag, the inner air bag pushes a bandage after being expanded, then the bandage makes full contact with the old-age hip fracture position of a patient, and then the protection device is suitable for patients of different sizes; and external force is decomposed through the arrangement of the outer air bag.
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Description

Technical Field

[0001] This invention relates to the field of orthopedic technology, specifically to a wearable protective device for elderly patients after hip fracture surgery. Background Technology

[0002] Hip fractures are a common and serious type of fracture in the elderly. Osteoporosis is an important risk factor for hip fractures in the elderly that cannot be ignored. Elderly patients with hip fractures and severe osteoporosis are not only prone to iatrogenic fractures or bone defects during surgery, but osteoporosis can also aggravate or accelerate postoperative adverse events, including internal fixation failure and prosthesis loosening. Moreover, the risk of refracture after osteoporotic fractures is significantly increased. These factors can directly lead to poor functional recovery, decreased quality of life, and even increased mortality in elderly patients with hip fractures. Current domestic and international guidelines for the diagnosis and treatment of hip fractures in the elderly recommend early surgery and early ambulation. In the early postoperative rehabilitation training, how to avoid falls that cause refracture and excessive weight-bearing on the affected limb that leads to internal fixation failure or prosthesis loosening are important issues that urgently need to be addressed. The prior art disclosure number CN217390048U describes an intelligent hip fall protection device with an automatic triggering function. The inner wall of the waist belt is provided with a protective airbag, the outer wall of the adjustment belt is fixedly connected to a gas generator, the inner wall of the protective airbag is fixedly connected to a connecting tube, and the end of the connecting tube away from the protective airbag is fixedly connected to the gas generator. The existing hip fall protection device uses a protective airbag and a waist belt to protect the hip fracture site in the elderly. Since the protection device is located on the outside, the tightness of the waist belt is adjusted. The waist belt needs to be set relatively tight to fix the protection device, which causes the weight of the protection device to be applied to the hip fracture site in the elderly, affecting the smooth recovery of the hip fracture site. The prior art disclosure number CN111493390A describes a fall protection device for the elderly. Through the installation of a removable heat insulation component, it can isolate the high temperature when the airbag is deployed, ensuring the safe deployment of the airbag and providing safe impact protection for the elderly. The existing protective device can isolate the temperature of the airbag through the heat insulation component. However, since the airbag affects airflow, the temperature of the heat insulation component and the hip fracture site of the elderly will be too high when the weather is hot in summer, and the contact area is prone to sweating. Summary of the Invention

[0003] The purpose of this invention is to provide a wearable postoperative protective device for elderly patients with hip fractures, in order to solve the problems mentioned in the background art, such as the need for relatively tight waistbands in the current market to fix the protective device, which causes the weight of the protective device to act on the hip fracture site in the elderly, affecting the smooth recovery of the hip fracture site, and the problem that the airbag affects airflow, causing the temperature of the heat insulation component and the elderly hip fracture site to be too high in hot summer weather, making the contact area prone to sweating.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a wearable postoperative protective device for elderly patients with hip fractures, comprising a protective plate, an external air bladder, and an internal air bladder; The outer airbag and the inner airbag are respectively attached to the outer and inner sides of the protective plate; It also includes: a wearing mechanism, which is disposed on the inner side of the protective plate, and the protective device can be worn through the wearing mechanism; An anti-movement mechanism is installed on the protective plate to prevent the protective device from shifting after it is put on. An adjustment mechanism is located on the outside of the protective plate, which can be adjusted according to the patient's body size.

[0005] Preferably, the wearable mechanism includes a large buckle, a movable frame, and a small buckle. The inner airbag contains a bandage, and both ends of the bandage are connected by the large buckle. The length of the bandage can be adjusted by the large buckle, and can be adjusted according to the patient's body size.

[0006] Preferably, the upper end of the bandage has a movable frame engaged on both the front and rear sides, and a carrying strap is installed on the upper end of the movable frame. The other end of the carrying strap is engaged with a small buckle. The protective device can be pulled by the small buckle and the carrying strap to prevent the weight of the protective device from being applied to the elderly person's hip. The shoulder bears the weight of the protective device to prevent the weight of the protective device from being applied to the elderly person's hip.

[0007] Preferably, the anti-movement mechanism includes shorts, snaps, and Velcro. The bandage has equally spaced slots inside, and Velcro is attached to the inside of the bandage. Shorts are attached to the Velcro, and the position of the protective device is relatively stable by the arrangement of the shorts.

[0008] Preferably, magnets are evenly spaced and bonded to the outer end of the bandage and the inner side of the inner air bladder, and the two magnets repel each other. Furthermore, a connecting cloth is bonded between the front and rear right sides of the inner air bladder and the outer end of the bandage, and the connecting cloth has uniformly spaced heat dissipation holes inside. The heat dissipation holes prevent sweating due to excessively high temperatures in summer, allowing air to circulate smoothly and preventing sweating in the hip area of ​​the elderly.

[0009] Preferably, the adjustment mechanism includes a connecting tube, a manual airbag, and a connecting tube. A compression plate is slidably connected to the right front end of the protective plate, and a manual airbag is adhered to the right front end of the protective plate. A connecting tube is installed between the left end of the manual airbag and the outer and inner airbags, and a control valve is installed inside the connecting tube to inflate the outer and inner airbags. The inflation of the inner airbag makes the protective device suitable for patients of different body sizes.

[0010] Preferably, a support spring is installed between the inner side of the compression plate and the outer side of the protective plate. Squeezing the compression plate allows the airbag to enter the interior of the outer and inner airbags. The outer airbag protects the protective plate, and the inner airbag fills the gap between the elderly person's hip and the protective plate.

[0011] Preferably, a lifting plate is slidably connected to the lower end of the protective plate, and grooves are equally spaced on both the front and rear sides of the right end of the lifting plate. Fastening screws are threadedly connected to both the front and rear sides of the right end of the protective plate, and the fastening screws can extend into the grooves to fix the lifting plate.

[0012] Preferably, a reset spring is installed at both the front and rear ends of the movable frame, and a movable plate is installed at the other end of the reset spring. A fixing rod is welded to the side of the movable plate near the movable frame, and a snap fastener is attached to the other end of the fixing rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the protective device can be pulled, and the weight of the protective device is borne by the patient's shoulder, avoiding the weight of the protective device from being applied to the hip fracture site in the elderly; it allows the hip fracture site to breathe, preventing sweating after the protective device is worn. The specific details are as follows: 1. The squeezing plate compresses the gas inside the manual airbag into the inner airbag. After the inner airbag expands, it pushes the bandage, which in turn makes full contact with the patient's hip fracture site. This makes the protective device suitable for patients of different sizes. The outer airbag decomposes external forces, preventing the force from being applied to the elderly patient's hip after the protective device is hit by an external force, thus protecting the elderly patient's hip. 2. The design of the shoulder strap and large buckle allows the patient's shoulders to pull on the protective device, preventing the weight of the protective device from being applied to the hip fracture site in the elderly. The movable frame can slide on the bandage, making the shoulder strap suitable for patients of different weights and sizes, thus promoting better recovery after hip fracture surgery in the elderly. 3. The protective device is attached to the shorts with Velcro, thus keeping the protective device in the designated position and preventing it from shifting after being subjected to external force, and ensuring that the protective device does not fail to protect the elderly's hip area. 4. The extension and retraction of the lifting plate can limit the position of the thigh, preventing excessive thigh movement from affecting the normal rehabilitation of the elderly hip position. The lifting plate can be limited to different positions by setting the fastening screws. 5. The magnet design prevents the inner airbag from contacting the bandage, allowing heat from the bandage to dissipate through the ventilation holes. The inner airbag does not interfere with normal heat exchange, preventing sweating at the postoperative site of an elderly patient's hip fracture in hot summer weather. This keeps the hip fracture site dry and promotes better recovery. Attached Figure Description

[0014] Figure 1 This is a top-section structural diagram of the present invention; Figure 2 This is a schematic diagram of the main structure of the present invention; Figure 3 For the present invention Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 For the present invention Figure 1 Enlarged structural diagram at point B; Figure 5 This is a top-section schematic diagram of the movable frame structure of the present invention; Figure 6 For the present invention Figure 1 Enlarged structural diagram at point C; Figure 7 This is a schematic diagram of the side cross-section of the movable frame structure of the present invention; Figure 8 This is a top view of the lifting plate structure of the present invention; Figure 9 This is a schematic diagram of the three-dimensional structure of the lifting plate of the present invention.

[0015] In the diagram: 1. Protective plate; 2. External airbag; 3. Internal airbag; 4. Moving frame; 5. Shoulder strap; 6. Large buckle; 7. Shorts; 8. Fastening screw; 9. Bandage; 10. Small buckle; 11. Slot; 12. Lifting plate; 13. Connecting fabric; 14. Ventilation hole; 15. Connecting tube; 16. Manual airbag; 17. Squeezing plate; 18. Support spring; 19. Control valve; 20. Return spring; 21. Moving plate; 22. Snap fastener; 23. Fixing rod; 24. Velcro; 25. Groove; 26. Magnet. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Please see Figures 1-9 The present invention provides a technical solution: a wearable postoperative protective device for elderly patients with hip fractures, comprising a protective plate 1, an external air bladder 2, and an internal air bladder 3; The outer airbag 2 and the inner airbag 3 are respectively attached to the outer and inner sides of the protective plate 1; Example 1

[0018] The wearing mechanism is located inside the protective plate 1, and the protective device can be worn through the wearing mechanism; The wearing mechanism includes a large buckle 6, a moving frame 4, and a small buckle 10. The inner airbag 3 contains a bandage 9, and both ends of the bandage 9 are connected by the large buckle 6. The length of the bandage 9 can be adjusted by the large buckle 6.

[0019] The upper end of the bandage 9 is secured with a movable frame 4 on both the front and back sides, and a back strap 5 is installed on the upper end of the movable frame 4. The other end of the back strap 5 is secured with a small buckle 10. The protective device can be pulled by the small buckle 10 and the back strap 5 to prevent the weight of the protective device from being applied to the elderly hip area. Combination Figures 1-2 As shown, during the wearing process, the bandages 9 on the left and right sides are spliced ​​together by setting the large buckle 6. After splicing, the tightness of the bandages 9 is adjusted. The position of the moving frame 4 is adjusted according to the patient's weight. When the moving frame 4 is moved to the appropriate position, the back straps 5 on the front and back sides are pulled up by hand to adjust the length of the back straps 5. Then, the two small buckles 10 are fastened together. The small buckles 10 are located at the shoulder position, and the shoulder bears the weight of the protective device, reducing the weight of the protective device on the elderly hip area. The lower end of the protective plate 1 is slidably connected to a lifting plate 12, and the right end of the lifting plate 12 has grooves 25 at equal intervals on both the front and rear sides. The right end of the protective plate 1 is threaded with fastening screws 8 on both the front and rear sides, and the fastening screws 8 can be inserted into the grooves 25 to fix the lifting plate 12.

[0020] Both ends of the movable frame 4 are equipped with return springs 20, and the other end of the return spring 20 is equipped with a movable plate 21. A fixing rod 23 is welded to the side of the movable plate 21 near the movable frame 4, and a snap button 22 is attached to the other end of the fixing rod 23. Combination Figure 5 and Figure 7 As shown, before moving the movable frame 4, pull the movable plates 21 on both the front and rear sides outward by hand. The movable plates 21 move outward, and during the outward movement of the movable plates 21, the fixing rod 23 moves outward synchronously. The fixing rod 23 drives the snap fasteners 22 to move outward synchronously, thereby separating the snap fasteners 22 that are locked together. Then move the movable frame 4. When the movable frame 4 moves to the appropriate position, press the movable plates 21 inward by hand, thereby causing the snap fasteners 22 to move to the middle position as described above, thereby locking the front and rear snap fasteners 22 together. The snap fasteners 22 are located inside the slot 11, fixing the position of the movable frame 4. Example 2

[0021] An anti-movement mechanism is installed on the protection plate 1 to prevent the protective device from shifting after it is put on. The anti-movement mechanism includes shorts 7, snaps 22 and Velcro 24. The inside of the bandage 9 has slots 11 at equal intervals, and Velcro 24 is attached to the inside of the bandage 9. The shorts 7 are attached to the Velcro 24. The position of the protective device is relatively stable by the setting of the shorts 7. Combination Figure 1 As shown, before wearing the protective device, the patient first puts on the shorts 7, and then attaches the protective plate 1 to the outside of the elderly hip. The protective device can be fixed by the Velcro 24 to prevent the protective device from shifting. Example 3

[0022] An adjustment mechanism is located on the outside of the protective plate 1. The adjustment mechanism can be adjusted according to the patient's body size. The adjustment mechanism includes a connecting tube 15, a manual airbag 16, a connecting tube 15, and a manual airbag 16. A compression plate 17 is slidably connected to the right front end of the protective plate 1, and a manual airbag 16 is adhered to the right front end of the protective plate 1. A connecting tube 15 is installed between the left end of the manual airbag 16 and the outer airbag 2 and the inner airbag 3. A control valve 19 is installed inside the connecting tube 15. A support spring 18 is installed between the inner side of the compression plate 17 and the outer side of the protective plate 1. Squeezing the compression plate 17 can allow the airbag to enter the interior of the outer airbag 2 and the inner airbag 3. The outer airbag 2 protects the protective plate 1, and the inner airbag 3 is used to fill the gap between the elderly hip and the protective plate 1. Combination Figure 1 and Figure 4As shown, after wearing the device, the control valve 19 is operated by hand to allow the gas inside the manual airbag 16 to enter the inner airbag 3. The compression plate 17 is continuously squeezed by hand, causing it to move forward. During the movement of the compression plate 17, the manual airbag 16 is squeezed, which in turn allows the gas inside the manual airbag 16 to enter the inner airbag 3 through the connecting tube 15. As the gas inside the inner airbag 3 increases, it expands, pushing the bandage 9 to ensure that the bandage 9 makes full contact with the elderly patient's hip. This makes the protective device suitable for patients of different sizes. After the inner airbag 3 has fully expanded, the gas inside the manual airbag 16 enters the outer airbag 2, causing the outer airbag 2 to expand and protect the outside of the protective plate 1. This prevents the protective device from being impacted from the outside and the force applied to the elderly patient's hip, thus avoiding pain after the elderly patient's hip fracture is subjected to force and improving the safety of rehabilitation after the elderly patient's hip fracture surgery. Magnets 26 are evenly spaced and bonded to the outer end of the bandage 9 and the inner side of the inner airbag 3. The two magnets 26 repel each other. A connecting cloth 13 is bonded between the front and rear right sides of the inner airbag 3 and the outer end of the bandage 9. Heat dissipation holes 14 are evenly opened inside the connecting cloth 13. The heat dissipation holes 14 are designed to prevent sweating due to excessive temperature in summer. Combination Figure 3 As shown, the gap between the bandage 9 and the inner air bladder 3 is created by the repulsion of the magnet 26, which prevents the elderly hip fracture site from being blocked after the inner air bladder 3 expands and adheres to the bandage 9. The setting of the heat dissipation hole 14 allows the hip fracture site to be breathable, avoiding the phenomenon of sweating at the hip fracture site after the summer temperature is too high.

[0023] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wearable postoperative protective device for elderly patients with hip fractures, comprising a protective plate (1), an external air bladder (2), and an internal air bladder (3). The outer airbag (2) and the inner airbag (3) are respectively attached to the outer and inner sides of the protective plate (1); characterized in that Also includes: Wearing mechanism, located inside the protective plate (1), allows the protective device to be worn. An anti-movement mechanism is provided on the protective plate (1). The anti-movement mechanism is provided to prevent the protective device from being misaligned after it is put on. An adjustment mechanism is located on the outside of the protective plate (1), and can be adjusted according to the patient's weight.

2. A wearable post-operative hip fracture protection device for the elderly according to claim 1, characterized in that: The wearable mechanism includes a large buckle (6), a movable frame (4) and a small buckle (10). The inner airbag (3) is equipped with a bandage (9), and both ends of the bandage (9) are connected by the large buckle (6). The length of the bandage (9) can be adjusted by the large buckle (6).

3. A wearable post-operative hip fracture protection device for the elderly according to claim 2, characterized in that: The bandage (9) has a movable frame (4) on both the front and back sides at the top, and a back strap (5) is installed at the top of the movable frame (4). The other end of the back strap (5) is secured with a small buckle (10). The protective device can be pulled by the small buckle (10) and the back strap (5) to prevent the weight of the protective device from acting on the elderly hip.

4. A wearable post-operative hip fracture protection device for the elderly as claimed in claim 2, wherein: The anti-movement mechanism includes shorts (7), snaps (22) and Velcro (24). The inside of the bandage (9) is provided with slots (11) at equal intervals, and Velcro (24) is attached to the inside of the bandage (9). Shorts (7) are attached to the Velcro (24). The position of the protective device is relatively stable by the setting of shorts (7).

5. The wearable post-operative hip fracture protection device for the elderly of claim 2, wherein: Magnets (26) are evenly spaced and bonded to the outer end of the bandage (9) and the inner side of the inner airbag (3), and the two magnets (26) repel each other. A connecting cloth (13) is bonded between the front and rear right sides of the inner airbag (3) and the outer end of the bandage (9). Heat dissipation holes (14) are evenly opened inside the connecting cloth (13). The heat dissipation holes (14) prevent sweating due to excessive temperature in summer.

6. The wearable post-operative hip fracture protection device for the elderly of claim 1, wherein: The adjustment mechanism includes a connecting pipe (15), a manual airbag (16), a connecting pipe (15), and a manual airbag (16). The right front end of the protective plate (1) is slidably connected to a compression plate (17), and the right front end of the protective plate (1) is adhered to a manual airbag (16). The left end of the manual airbag (16) is connected to the outer airbag (2) and the inner airbag (3) through a connecting pipe (15), and a control valve (19) is installed inside the connecting pipe (15).

7. A wearable postoperative protective device for elderly patients with hip fractures according to claim 6, characterized in that: A support spring (18) is installed between the inner side of the compression plate (17) and the outer side of the protective plate (1). Squeezing the compression plate (17) allows the airbag to enter the interior of the outer airbag (2) and the inner airbag (3). The outer airbag (2) protects the protective plate (1), and the inner airbag (3) is used to fill the gap between the elderly hip and the protective plate (1).

8. A wearable postoperative protective device for elderly patients with hip fractures according to claim 1, characterized in that: The lower end of the protective plate (1) is slidably connected to a lifting plate (12), and the lifting plate (12) has grooves (25) at equal intervals on both the front and rear sides of the right end. The front and rear sides of the right end of the protective plate (1) are threaded with fastening screws (8), and the fastening screws (8) can be inserted into the grooves (25) to fix the lifting plate (12).

9. The wearable post-operative hip fracture protection device for the elderly of claim 3, wherein: Both ends of the movable frame (4) are equipped with reset springs (20), and the other end of the reset springs (20) is equipped with a movable plate (21). A fixing rod (23) is welded to the side of the movable plate (21) near the movable frame (4), and a snap fastener (22) is attached to the other end of the fixing rod (23).

Citation Information

Patent Citations

  • Hip protection device for old people falling down

    CN111493390A

  • Intelligent hip falling protection device with automatic triggering function

    CN217390048U

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    CN104023502A

  • Electromagnetic automatic sweat drying clothing for children

    CN107647501A

  • Hip protection air bag

    CN203749667U