The soft robotic logo band gives users natural control of the prosthetic hand
Prosthetic hands have long struggled to replicate the dexterity and functionality of natural hands, often limiting users to a single grasping task.
This limitation has made everyday tasks such as typing on a keyboard or braiding hair challenging for those who rely on prosthetics.
However, new research from Florida Atlantic University (FAU) offers promising advances that could change the experience of prosthetic hand users.
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A soft robot wristband that wears human sports (Florida Atlantic University)
New technology allows users to hold two things at once
Researchers at FAU College of Engineering and Computer ScienceIn collaboration with the Charles E. Schmidt College of Science, he conducted a new study that combines haptic feedback, electromyogram control and a wearable soft robotic wristband. This study aimed to investigate whether users can simultaneously control the grip forces applied to two different objects with a prosthetic hand.
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The study’s findings, published in Scientific Reports, showed that multiple channels of haptic feedback allowed participants to successfully transport two objects simultaneously without dropping them, even when visual feedback was blocked.
For example, participants were able to pinch their card between their fingers while simultaneously unscrewing a water bottle cap or flipping a light switch with their little finger.
Artificial robot hand (Florida Atlantic University)
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Multi-channel soft robot wristband
The key innovation in this study is the construction of a multi-channel soft robot logo designed to convey artificial tactile sensations. This wristband incorporates soft actuators that provide proportional contact force feedback and vibration stimulators to alert users if they are about to drop or break an object. The logo band’s design allows it to provide haptic feedback at three critical points corresponding to the thumb, index and little fingers, effectively enhancing the user’s ability to control multiple objects at once.
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Participants in the study reported that haptic feedback was significantly more valuable than visual feedback, especially since visual cues often fail to indicate when something is about to disappear. This realization highlights the importance of integrating tactile sensations with prosthetic technology.
Artificial robot hand (Florida Atlantic University)
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Implications for future prostate design
The implications of this research go beyond immediate user benefits; They suggest a paradigm shift in how to control artificial hands in the future. By enabling refined sensory control through improved sensory feedback, this research opens up new ways for individuals with upper limb loss to engage in complex tasks that are considered impossible with current prosthetics. This includes activities such as playing musical instruments or performing complex surgical procedures.
In addition, the researchers noted that both amputated and able-bodied subjects performed better in key performance measures during the task. This finding is particularly encouraging for clinical applications and demonstrates that technological advances can widen the scope of practice for consumers.
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Artificial robot hand (Florida Atlantic University)
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As researchers continue to refine these prosthetic technology systems, we may soon see prosthetic hands that not only replicate but surpass the capabilities of natural hands, allowing users to regain their independence and fully participate in both daily activities and specialized tasks. This innovative approach not only overcomes existing limitations, but also paves the way for future developments in assistive technologies for the disabled.
What personal experiences or stories do you have related to using prosthetic or assistive devices? Let us know by writing to Cyberguy.com/Contact.
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