Highly Flexible Precisely Braided Multielectrode Probes and Combinatorics for Future Neuroprostheses.

Area of Science:

• Biomedical Engineering
• Neuroscience
• Materials Science

Background:

• The braided multielectrode probe (BMEP) is an innovative neural probe.
• BMEPs offer high flexibility, reduced immune response, and dense recording sites (24 channels) in a 100-200 μm diameter.
• Their adaptable design allows for various materials, sizes, and shapes, enabling applications in both central and peripheral nervous systems.

Purpose of the Study:

• To introduce a next-generation micro braiding machine for manufacturing precise and complex BMEP structures.
• To describe new methods for BMEP fabrication and testing.
• To propose novel BMEP designs and modifications for future neuroprosthetic applications.

Main Methods:

• Development of a new micro braiding machine capable of creating intricate BMEP structures.
• Manufacturing of BMEPs with varying materials, sizes, and shapes.
• Testing of simulated combinatoric separation methods for wire rearrangement within braids.

Main Results:

• The new machine enables the production of more precise and complex microbraid structures.
• BMEPs demonstrate significant advantages in mechanical flexibility and reduced immune response.
• The 3D topology supports combinatoric rearrangements, potentially increasing neural yield.

Conclusions:

• The developed micro braiding technology advances the manufacturing of BMEPs.
• BMEPs show great promise for diverse neuroprosthetic applications due to their adaptability and performance.
• Future modifications to BMEP designs can further enhance their utility in neural recording and stimulation.