Hand training device based on touch-vision bisynchronization

By using a hand training device based on tactile-visual dual synchronization, accurate detection of finger movements and real-time tactile feedback are achieved, solving the problems of sensor accuracy mismatch and high closed-loop feedback delay in existing VR rehabilitation systems. This provides a personalized rehabilitation plan suitable for the elderly and improves training effectiveness.

CN122440431APending Publication Date: 2026-07-24THE FIFTH PEOPLES HOSPITAL OF SHANXI PROVINCE (SHANXI PROVINCIAL GERIATRIC HOSPITAL)
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Patent Information

Application Number
CN202610536172.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-22
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing VR rehabilitation systems lack tactile feedback mechanisms, cannot achieve bidirectional synchronization of touch and vision, and the accuracy of sensors does not match rehabilitation needs. They also lack personalized adaptive mechanisms and have excessively high closed-loop feedback delays, resulting in limited effectiveness of finger rehabilitation training for the elderly.

Method used

A hand training device based on tactile-visual dual synchronization is adopted. Through the bionic joint knob, sensor and micro vibration motor on the wristband, the device can accurately detect finger movements and provide real-time tactile feedback. Combined with VR scene interaction, piecewise linear and logarithmic compression mapping algorithms are used to achieve physiological adaptive mapping and millisecond-level dual-synchronous closed-loop training.

Benefits of technology

It achieves precise detection of finger movements and real-time tactile feedback, improving the precision and compliance of rehabilitation training. It is suitable for the elderly and provides lightweight, low-cost personalized rehabilitation solutions, meeting the needs for precise detection of finger joint angles and pressure.

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Abstract

A traditional rehabilitation mode lacks interestingness, and the training enthusiasm of old people Existing training equipment is large in size, high in cost and not suitable for families. An existing VR training system lacks tactile feedback and cannot achieve multi-sensory collaborative stimulation. Professional schemes and quantitative evaluation means for fine finger actions are lacked. The invention discloses a hand training device based on touch-vision bisynchronization, and relates to the technical field of medical instruments, the hand training device comprises an acquisition terminal and a remote processing terminal, the remote processing terminal is arranged on VR glasses, and the remote processing terminal comprises a data acquisition layer used for acquiring a rotation angle, pressing force and a hand inclination angle uploaded by the acquisition terminal; the data processing and synchronizing layer comprises an action mapping module which is used for mapping the collected rotation angle into a grabbing / releasing action in a VR scene, mapping the pressing force into object weight perception and mapping the hand inclination angle into visual angle deviation; and the VR scene interaction layer is used for realizing the action mapped by the action mapping module in the VR scene.
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