A man who lost his hand in an industrial accident holds a prosthetic limb that looks remarkably real. He can grip. He can lift. He can shake hands.
But he cannot feel the handshake. He cannot feel the warmth of a mug of tea, or know when he’s holding his grandchild’s hand too tightly. He can’t feel anything through his prosthetic — and that absence is, for many amputees, the most isolating loss of all.
This apparatus creates an artificial skin with embedded tactile sensors that transmits pressure, temperature, and texture information — giving prosthetic users and robotic systems the ability to sense touch in a way that was previously impossible outside of biological tissue.
Modern prosthetics restore function: grip, precision, appearance. But they do not restore sensation. The result is a fundamental limitation: amputees must visually supervise every task their prosthetic performs, cannot detect temperatures or pain signals that protect the body from injury, and miss the sensory information that underpins natural, intuitive interaction with the physical world.
The apparatus embeds an array of tactile sensors into a flexible, skin-like material that can be fitted to prosthetic limbs and robotic manipulators — sensing pressure distribution, temperature, and surface texture and transmitting that information to the user or control system in real time, enabling genuinely tactile interaction with the environment.
The apparatus constructs an array of miniaturised pressure, temperature, and texture sensors within a flexible, biocompatible material that conforms to the shape of a prosthetic limb or robotic hand — providing coverage across the contact surface.
Like the nerve endings in human fingertips — distributed, sensitive, and responsive to multiple types of stimulation simultaneously.
When the prosthetic or robotic surface makes contact with an object, the sensors capture the specific pattern of pressure, temperature, and texture — distinguishing between materials, detecting slippage, and measuring grip force continuously.
Like a musical instrument that turns physical contact into rich, interpretable information.
For prosthetic users, the sensor data is translated into a feedback signal that the user can interpret — through vibrotactile feedback, neural stimulation, or auditory cues. For robotic systems, it feeds directly into the control algorithm to adjust grip and movement.
Like translating from a language no one spoke before into one that the brain — or the robot — already understands.
IoT
Robotics
Humanoids
Most prosthetic innovation focuses on motor control — how the limb moves. This apparatus addresses the equally important but largely unsolved problem of sensory feedback — how the limb feels. The innovation patent covers the specific architecture of embedded tactile sensors in flexible skin-like material for prosthetic and robotic application, which enables a new class of prosthetic experience that goes beyond function to sensation.
