Neurotechnology

Neurotechnology

Posted by Safe In4 Hub

Toward Reliability




Conventional rigid neural devices are believed to cause micro tearing because the neural tissue is softer than the device. According to Felix, the flexibility of a thin-film polymer probe mitigates this problem. However, the flexibility also makes polymer devices difficult to implant. Felix’s solution is to temporarily attach a rigid stiffener.

“For the polymer neural interfaces, we attach the device to a needle-like stiffener using bio-dissolvable polyethylene glycol (PEG) to enable extraction of the stiffener after surgical insertion,” says Felix, who holds a Ph.D. in mechanical engineering from the University of California, Berkeley. “An innovative bonding process enables accurate alignment of the device to the stiffener.”

A novel feature of the design is a shallow channel running lengthwise, which allows the even distribution of the PEG or other bio-adhesive during assembly and implantation. Felix’s team used the method to implant unique dual-sided polymer electrode arrays into brain tissue, and these arrays successfully recorded neural signals.


Copyright (C) 2017 by safein4.com

Donah Shine

Head Master

Address: 5636 Lemon Ave.
Dallas TX 75209

Phone: +1 214 5203694

E-Mail: admin@safein4.com