Ankle-foot Orthosis

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention is a modular ankle-foot orthosis (AFO) that consists of a foot part, a calf part, and a detachable joint that connects them. The joint can be easily replaced with either a rigid type for static support (e.g., during rest or sleep) or a flexible type for dynamic movement (e.g., walking), with the flexible joint optionally made from auxetic metamaterials that allow controlled motion. This modularity allows a single AFO device to adapt to different user needs without the need for multiple separate orthoses.

Use CasesContent extracted from patent full text and abstract with AI.

• Supporting patients with foot or lower limb weakness or injury requiring stabilization during rehabilitation.
• Providing rigid support to immobilize the ankle-foot complex after surgeries or injuries (e.g., as a night splint).
• Allowing dynamic support for ambulatory activities where controlled motion at the ankle is needed (e.g., walking or physical therapy).
• Customizing orthotic support for individuals with abnormal gait patterns, neurological deficits, or muscle weakness.
• Offering modular adaptability for users needing different support levels throughout the day without changing devices.
• Pediatric, adult, or geriatric patients requiring long-term orthotic solutions with comfort and skin compatibility.

BenefitsContent extracted from patent full text and abstract with AI.

• Enables both rigid and flexible support in one device, reducing the need to purchase multiple orthoses.
• Quick and easy exchange of joint type without tools, improving user convenience.
• Adaptable to user’s changing needs throughout the day (static during rest, dynamic during activity).
• Modular design reduces manufacturing and prescription complexity, potentially lowering costs.
• Biocompatible materials and foam padding reduce risk of skin irritation for long-term wear.
• Unit cell-based auxetic joints allow more natural movement and enhanced patient comfort.
• Customizable design allows fitting to different patient sizes and specific rehabilitation needs.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to an ankle-foot-orthosis comprising a foot part, a calf part, and a joint mechanically connecting the foot part and the calf part, wherein the joint is detachable from the foot part and the calf part in order to allow both a rigid joint and a flexible joint to be used.