Recently, Limbitless Solutions, a non-profit organization founded by the University of Central Florida (UCF), has developed a 3D printing device that allows wheelchair users to control the movement of wheelchairs with simple facial movements. Prior to this (in August this year), the organization also donated some 3D printed bionic arms to displaced Syrian children.

“This is just a year ago idea.” 3 Albert Manero, founder and CEO of Limbitless Solutions, said: “Then some of our newcomers have used it as their advanced design project after learning about this idea. Now through With this design, we are able to provide special assistance to those with disabilities, and I am proud of my team."

It is understood that the manufacture of this 3D printing device requires a lot of professional skills, but it is very convenient to use. A small box containing various electronic components is attached to the joystick of the wheelchair, and some myoelectric sensors are placed on the user's face near the forehead. These sensors are able to detect facial activity, which is transmitted to the box by the sensor, which then commands the joystick.

It sounds like this device is a bit like the 3D printed eye-controlled wheelchair device that won the Hackaday Award last month. Both sets of 3D printed devices allow wheelchair users to manipulate their wheelchairs without the need for an arm, but one is controlled by eye movements, while Limbitless's devices are controlled by facial motion.

Currently, the 3D printing device developed by Limbitless Solutions has been tested in a public environment. On Tuesday, November 24th, quadriplegic wheelchair user Charlie Merritt tried the 3D printing device at UCF's School of Engineering and Computer Science. Merritt used to be the US Navy and was the champion, unfortunately injured in a 2014 diving accident. He completely mastered the device in just 5 minutes.

"It's really convenient," Merritt said. "This is a new option for people with spinal cord damage who can't take care of themselves. I don't know how to measure its impact. I think it's priceless."

At the same time, Merritt also pointed out the economics of this 3D printing device, he said that the price difference between Limbitless's products and the products they are currently using is huge. It is understood that Limbitless's 3D printing device costs between $250 and $350, while Merritt currently uses more than $5,000.

The US Navy describes the simple facial action required to move a wheelchair: "Move the chin to the right and go to the right, and move the chin to the left to the left. I am also a generation who grew up playing video games, so these are not a problem for me."

However, it is a little inconvenient to operate this 3D printing device through oral motion. "When you use it, chewing gum can't be chewed." Merritt made a joke.

It is understood that Limbitless Solutions has attracted more members since it successfully donated seven 3D printed bionic arms to the children in need. Some of the new members, such as mechanical engineering specialist Megan Pence, helped develop the 3D printed wheelchair device. “I am really happy to be involved in this project because we are helping others,” Pence said.

The development of this device and 3D printing were done at the Texas Instruments Innovation Lab, one of several hospitality labs that the school received with industry funding support.

For more details, visit the 2015 China 3D Printing Online Exhibition .

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