Power assistance device

The power assistance device addresses the limitations of conventional exoskeletons by offering a lightweight, comfortable, and energy-efficient solution for biomechanical assistance, ensuring natural motion and improved control, thus enhancing ambulatory function.

WO2025199568A1 Publication Date: 2025-10-02REHABEXO PTY LTD
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Patent Information

Application Number
PCT/AU2025/050279
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-03-25
Filing Date
2025-03-24
Publication Date
2025-10-02

AI Technical Summary

Technical Problem

Conventional exoskeletons are heavy, uncomfortable, and cumbersome, with inadequate control systems, high energy consumption, and high manufacturing costs, often requiring manual support for balance and failing to address reduced limb extension issues in individuals with ambulatory dysfunction.

Method used

A power assistance device with a flexible actuation system, including an actuator, elongate member, and securing points, which adjusts tension to assist biomechanical movement, integrated with sensors and controllers for precise control, and optionally inflatable devices for impact protection, designed to be lightweight, comfortable, and energy-efficient.

Benefits of technology

The device provides effective biomechanical assistance, maintaining natural motion, enhancing comfort and safety, while being easy to control and produce, addressing the limitations of conventional exoskeletons.

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Abstract

The present invention relates to a power assistance device for assisting biomechanical function of a subject, wherein the power assistance device comprises: an actuation system adapted to be positioned at a first predetermined position on the subject, wherein the actuation system comprises a first actuator; wherein the power assistance device further comprises: a first securing point adapted to be positioned at a second predetermined position on the subject; and an elongate member, wherein a first end of the elongate member is coupled to the actuation system and a second end of the elongate member is coupled to the first securing point, and wherein, in use, actuation of the first actuator adjusts the tension of the elongate member to give biomechanical movement in the subject.
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