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3D printing foot drop orthosis based on spring type hinge

A 3D printing and foot drop technology, which is applied in medical science, additive processing, etc., can solve the problems of popularization of orthotics and poor curative effect of mass production, and achieve remarkable orthopedic effects, good skin fit, and high success rate.

Pending Publication Date: 2021-08-27
SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the defects of the prior art described above, this application provides a 3D printed foot drop orthosis based on a spring hinge, which is used to solve the problems of popularization, mass production, and poor curative effect of the orthosis in the prior art

Method used

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  • 3D printing foot drop orthosis based on spring type hinge
  • 3D printing foot drop orthosis based on spring type hinge
  • 3D printing foot drop orthosis based on spring type hinge

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Embodiment Construction

[0022] Embodiments of the present application are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0023] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic idea of ​​the application, although only the components related to the application are shown in the drawings rather than the number, shape and shape of the com...

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Abstract

The invention provides a 3D printing foot drop orthosis based on a spring type hinge. The 3D printing foot drop orthosis based on the spring type hinge comprises a shank part, an ankle part, a spring hinge, and a connecting shank part and the ankle part, wherein a flat spiral spring is arranged in the spring hinge and used for keeping the ankle joint to have a certain motion range and preventing the ankle part displacement of the patient caused by foot drop at the same time. The orthosis is customized according to the shapes of the shanks and the ankles of the patient, errors are small, the skin fitting degree is good, and the experience feeling of the patient is high; the shank part and the ankle part are fixed together through the hinge, power is provided for the static hinge through the flat spiral spring, and the joint is kept at a fixed position, so that the motion range of the ankle joint can be kept, foot drop can be corrected, walking is not affected, and the 3D printing foot drop orthosis can be placed in a normal shoe and does not affect walking. Dynamic correction can be achieved, convenience and comfort are achieved, the orthopedic effect is remarkable, and the success rate is high.

Description

technical field [0001] The present application relates to the technical field of a foot drop orthosis, in particular to a 3D printed foot drop orthosis based on a spring hinge. Background technique [0002] Foot drop refers to the phenomenon that the lower limbs hang naturally in the sitting position, and the foot is in plantar flexion and cannot actively dorsiflex and varus. It is one of the signs of orthopedic surgery. The patient's toes touched the ground, dragged, and showed a typical "circling gait" when walking, which brought great inconvenience to the patient's daily walking. [0003] At present, foot drop orthotics are mainly divided into two types: fixed ankle joint and movable ankle joint. The fixed ankle orthosis has a simple structure and can keep the foot and lower leg in a vertical position, and only needs to wear the orthosis into the shoe. The ankle joint of the movable ankle orthosis is fixed by a hinge and has a certain degree of mobility. The elastic ban...

Claims

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Application Information

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IPC IPC(8): A61F5/01B33Y80/00B33Y70/00B33Y50/00
CPCA61F5/0113B33Y50/00B33Y70/00B33Y80/00
Inventor 王金武鲁德志马振江宋艳吴云成张萍萍冯海洋张子砚许苑晶石国宏黄信恒
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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