CN219000768U

CN219000768U - 3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection

Info

Publication number: CN219000768U
Application number: CN202222581219.8U
Authority: CN
Inventors: 马江涛; 凌华; 张平; 蔡丽飞; 靳飞
Original assignee: China Institute Of Rehabilitation Sciences Research Center For Disability Prevention And Control Of China Disabled Persons' Federation
Current assignee: China Institute Of Rehabilitation Sciences Research Center For Disability Prevention And Control Of China Disabled Persons' Federation
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-05-12
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a 3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection, and relates to the technical field of ankle-foot orthoses.

Description

3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection

Technical Field

The utility model relates to the technical field of ankle-foot orthotics, in particular to a 3D printing ankle-foot orthotics capable of realizing plantar pressure and falling detection.

Background

The ankle-foot orthosis is also called a calf orthosis, is an orthosis with a structure from the calf to the sole and can control the motion of the ankle joint, can be divided into a branch type ankle-foot orthosis, a plastic ankle-foot orthosis, a patellar ligament bearing type ankle-foot orthosis and the like, and is mainly suitable for patients with cerebral palsy, hemiplegia, incomplete paraplegia and the like of children.

The ankle foot orthosis wearer mostly has partial body function decline and abnormal gait, the falling risk is far higher than that of the general crowd, and the help is very important for daily nursing of the wearer in the first time after the wearer falls. Therefore, it is particularly important that the ankle-foot orthosis with plantar pressure and fall detection functions accurately judge and timely provide help for the wearer after falling actions occur. The ankle-foot orthosis with plantar pressure and fall detection functions does not affect the basic functions of the ankle-foot orthosis, and brings convenience to the daily care of the wearer of the ankle-foot orthosis. However, the existing fall detection device and method mainly embeds a fall detection alarm system in shoes, has low applicability and low wearability for ankle-foot orthosis wearers, has poor experience and brings inconvenience for guardians; on the other hand, in the conventional fall detection system, an inertial acceleration sensor is embedded in a shoe to perform fall judgment, so that the ankle and foot function of the wearer is reduced, and the ankle and foot function is controlled by the orthosis, so that the conventional fall detection device using the change of the foot acceleration is easy to cause misjudgment for the wearer of the orthosis.

Disclosure of Invention

The utility model provides a 3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection, which aims to solve the technical problems.

In order to solve the technical problems, the 3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection comprises an ankle-foot orthosis main body, wherein the ankle-foot orthosis main body comprises a leg hard shell and a foot hard shell, the leg hard shell and the foot hard shell are integrally formed by 3D printing, and a plantar pressure and falling detection device is arranged on the outer side of the leg hard shell;

the plantar pressure and falling detection device comprises a data acquisition module;

the inside of the hard foot shell is provided with a rubber lining, and the data acquisition module is arranged inside the rubber lining;

the data acquisition module comprises a first film pressure sensor, a second film pressure sensor and a third film pressure sensor, wherein the first film pressure sensor, the second film pressure sensor and the third film pressure sensor are all embedded and installed at the bottom end inside the rubber lining, the first film pressure sensor is arranged at the rear side of the second film pressure sensor, and the first film pressure sensor and the second film pressure sensor are all arranged at one side of the third film pressure sensor.

Preferably, the plantar pressure and fall detection device further comprises a data processing module, a data transmission module, a power supply unit module and an alarm assembly, wherein the data processing module, the data transmission module, the power supply unit module and the alarm assembly are packaged outside the leg hard shell.

Preferably, the inside of the leg hard shell is provided with a breathable lining.

Preferably, the outer end of the leg hard shell is provided with a plurality of ventilation holes, and the ventilation holes are arranged at the top of the plantar pressure and fall detection device.

Preferably, the outer end of the leg hard shell is fixedly provided with a first binding band and a second binding band, the second binding band is arranged at the bottom of the first binding band, and the plantar pressure and falling detection device is arranged between the first binding band and the second binding band.

Compared with the related art, the 3D printing ankle-foot orthosis capable of realizing plantar pressure and falling detection has the following beneficial effects:

the ankle-foot orthosis body and the plantar pressure and fall detection device through the 3D printing technology are combined, the ankle-foot orthosis body has a good effect in improving and correcting walking ability of patients with foot drop, can strengthen support of weight and stability of ankle joints, improve gait and prevent foot deformation, and the ankle-foot orthosis body with plantar pressure and fall detection function can accurately judge and timely provide rescue assistance for a wearer after falling behaviors occur, and the installation positions of the plantar pressure and fall detection device can not influence comfort of the wearer.

Drawings

FIG. 1 is a schematic diagram of the overall front view of a 3D printed ankle-foot orthosis for realizing plantar pressure and fall detection according to the present utility model;

fig. 2 is a schematic perspective view of a breathable liner for a 3D printed ankle-foot orthosis for realizing plantar pressure and fall detection according to the present utility model;

fig. 3 is a schematic top view of a rubber lining of a 3D printed ankle-foot orthosis for realizing plantar pressure and fall detection according to the present utility model.

Reference numerals in the drawings: 1. the ankle foot orthosis comprises an ankle foot orthosis main body, 2, a leg hard shell, 3, a foot hard shell, 4, ventilation holes, 5, a first binding band, 6, a second binding band, 7, a sole pressure and fall detection device, 8, a ventilation lining, 9, a rubber lining, 10, a first film pressure sensor, 11, a second film pressure sensor, 12 and a third film pressure sensor.

Detailed Description

1-3, the ankle-foot orthosis comprises an ankle-foot orthosis main body 1, wherein the ankle-foot orthosis main body 1 comprises a leg hard shell 2 and a foot hard shell 3, the leg hard shell 2 and the foot hard shell 3 are integrally formed through 3D printing, a sole pressure and falling detection device 7 is arranged on the outer side of the leg hard shell 2, the ankle-foot orthosis main body 1 is integrally formed through three-dimensional scanning and 3D printing technology, the time cost for manufacturing the orthosis is reduced, and the whole ankle-foot orthosis main body 1 is approximately L-shaped;

the plantar pressure and fall detection device 7 comprises a data acquisition module;

the inside of the hard foot shell 3 is provided with a rubber lining 9, and the data acquisition module is arranged inside the rubber lining 9;

the data acquisition module comprises a first film pressure sensor 10, a second film pressure sensor 11 and a third film pressure sensor 12, wherein the first film pressure sensor 10, the second film pressure sensor 11 and the third film pressure sensor 12 are all embedded and installed at the bottom end inside the rubber lining 9, the first film pressure sensor 10 is arranged at the rear side of the second film pressure sensor 11, the first film pressure sensor 10 and the second film pressure sensor 11 are all arranged at one side of the third film pressure sensor 12, and the first film pressure sensor 10, the second film pressure sensor 11 and the third film pressure sensor 12 in the data acquisition module are embedded in the rubber lining 9, so that the plantar pressure can be detected in real time, and the comfortableness is not reduced.

The plantar pressure and fall detection device 7 further comprises a data processing module, a data transmission module, a power supply unit module and an alarm component, wherein the data processing module, the data transmission module, the power supply unit module and the alarm component are all packaged outside the leg hard shell 2, the data processing module can process and analyze information detected by the data acquisition module, and if the data acquisition module does not detect the information for a long time, the data acquisition module can judge that the user falls, and then the user can alarm through the alarm component.

The inside of the leg hard shell 2 is provided with the breathable lining 8, and the breathable lining 8 is made of flexible breathable durable materials such as polypropylene fiber and bayan, so that the wear on the legs of a user is reduced, and the breathability of the orthosis and the supportability on the rear side of the lower leg are simultaneously considered.

The outer end of the leg hard shell 2 is provided with a plurality of ventilation holes 4, the ventilation holes 4 are arranged at the top of the plantar pressure and fall detection device 7, and the ventilation holes 4 are arranged on the leg hard shell 2 and positioned at the gastrocnemius muscle of the lower limb to play a ventilation role.

The utility model discloses a leg part is fixed to be equipped with first bandage 5 and second bandage 6 in shank stereoplasm shell 2 outer end, second bandage 6 is established in first bandage 5 bottom, plantar pressure and fall detection device 7 establish between first bandage 5 and second bandage 6, first bandage 5 is located knee below 1.5 ~ 2.5cm on shank stereoplasm shell, second bandage 6 is located ankle top 2 ~ 3cm on shank stereoplasm shell, first bandage 5 and second bandage 6 all adopt two segmentation concatenation designs, and the splice position of two segmentation all has the magic subsides that can mutually adhere, can further adjust the length of whole bandage through the bonding position change of magic subsides, and then adapt to different user's elasticity requirement.

Working principle:

the leg hard shell 2 and the foot hard shell 3 in the ankle-foot orthosis main body 1 are respectively sleeved on the foot and the leg of a patient, then the leg hard shell 2 and the leg are bound together by the first binding band 5 and the second binding band 6, at the moment, the first film pressure sensor 10, the second film pressure sensor 11 and the third film pressure sensor 12 in the data acquisition module detect the plantar pressure of the patient in real time, the first film pressure sensor 10 is positioned at the first metatarsal and the second metatarsal of the foot, the second film pressure sensor 11 is positioned at the fifth metatarsal of the foot, the third film pressure sensor 12 is positioned at the heel, and through the mutual matching of the leg hard shell 2, the foot hard shell 3 and the plantar pressure and the falling detection device 7, the first film pressure sensor 10, the second film pressure sensor 11 and the third film pressure sensor 12 can be pressed when the data processing module detects that the data acquisition module does not acquire information for a long time, namely, the state can be judged, and then the falling can be carried out through the alarm component.

Claims

1. Can realize plantar pressure and fall 3D printing ankle foot orthosis that detects, including ankle foot orthosis main part (1), its characterized in that: the ankle-foot orthosis main body (1) comprises a leg hard shell (2) and a foot hard shell (3), the leg hard shell (2) and the foot hard shell (3) are integrally formed by 3D printing, and a plantar pressure and falling detection device (7) is arranged on the outer side of the leg hard shell (2);

the plantar pressure and fall detection device (7) comprises a data acquisition module;

the inside of the foot hard shell (3) is provided with a rubber lining (9), and the data acquisition module is arranged inside the rubber lining (9);

the data acquisition module comprises a first film pressure sensor (10), a second film pressure sensor (11) and a third film pressure sensor (12), wherein the first film pressure sensor (10), the second film pressure sensor (11) and the third film pressure sensor (12) are all embedded and installed at the bottom end inside a rubber lining (9), the first film pressure sensor (10) is arranged at the rear side of the second film pressure sensor (11), and the first film pressure sensor (10) and the second film pressure sensor (11) are all arranged at one side of the third film pressure sensor (12).

2. A 3D printed ankle-foot orthosis with plantar pressure and fall detection according to claim 1, characterized in that the plantar pressure and fall detection device (7) further comprises a data processing module, a data transmission module, a power supply unit module and an alarm assembly, which are all enclosed outside the leg hard shell (2).

3. A 3D printed ankle-foot orthosis for realising plantar pressure and fall detection according to claim 1, characterized in that the inside of the leg stiff outer shell (2) is provided with a breathable lining (8).

4. The 3D printing ankle-foot orthosis capable of realizing plantar pressure and fall detection according to claim 1, wherein a plurality of ventilation holes (4) are formed in the outer end of the leg hard shell (2), and the ventilation holes (4) are formed in the top of the plantar pressure and fall detection device (7).

5. The 3D printing ankle-foot orthosis capable of realizing plantar pressure and fall detection according to claim 1, wherein a first binding band (5) and a second binding band (6) are fixedly arranged at the outer end of the leg hard shell (2), the second binding band (6) is arranged at the bottom of the first binding band (5), and the plantar pressure and fall detection device (7) is arranged between the first binding band (5) and the second binding band (6).