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MedTech Outlook | Thursday, December 01, 2022
Trends in technology can improve the functionality of mobility aids for comfort, seamless coordination, and user independence.
FREMONT, CA: Enhanced mobility aids integrates solutions to impaired mobility with user comfort and better and reliable performance. Technological developments improve integration by focusing on user-friendliness, user-technology physical interface, and user's shared control of user and technology.
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Impaired body functions drastically reduce the quality of life as traditional mobility aids like wheelchairs and walking canes do not restore the full range of motion. Advancements in technology enable a more comprehensive range of movement.
The following advancements aid enhances mobility:
Power wheelchair: Users operate a power wheelchair by using its joystick. Many users do not possess the cognitive and neuromuscular capacity to operate a power wheelchair's joystick. These users can use a shared control approach coupled with an alternative interface is necessary. The shared control system is a technology that assists the user in path navigation. It has two main controls that vary in the assistance they provide. The user can trigger specific services with a trigger or a button. The second mechanism involves automated changes when algorithms detect certain environmental changes.
Computer-vision enhanced control: Users prefer more intuitive controls than prosthetic limb controls that require a user to plan every step to generate movement. It can be mentally demanding and tiring. Researchers developed a camera-based shared control system that uses image recognition to autonomously select the proper hand orientation, grasp shape, and grasp size based on images of the target object. The user aims, triggers, and orients their limb, and the camera-based control selects and implements the action.
Functional electrical stimulation (FES): FES is a device that provides minor shocks to the user's muscles to help movement, as muscles may not receive signals from the central nervous system due to nerve damage. Researchers are devising solutions to convert the FES from a wearable device to an implantable device to make it more functional.
Robotic exoskeletons: Robotic exoskeletons aid in mobility by taking over the user's physical functioning externally. Robotic exoskeletons need to be more comfortable for everyday usage and provide assisted mobility and therapeutic care. Researchers are developing robotic exoskeletons to be more functional and accessible in home environments keeping in mind four measurements, cognitive interaction, safe interaction, better wearability, and user-centered design. Developers are enhancing the foot-drop stimulator. The long-term functioning of foot-drop stimulators improves a person's ability to walk.
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