Related Experiment Videos
A bone-anchored percutaneous connector system for neural prosthetic applications
M Downing1, U Johansson, L Carlsson
1Department of Phonetics and Linguistics, University College London, UK. markd@phon.ucl.ac.uk
Ear, Nose, & Throat Journal
|May 1, 1997
Summary
A new percutaneous connector system for neural prosthetics features a bone-anchored titanium pedestal and an 11-channel electrode array. Animal studies show promising soft tissue reactions and osseointegration, paving the way for clinical trials in audiology.
Area of Science:
- Biomedical Engineering
- Neuroscience
- Audiology
Background:
- A novel percutaneous connector system has been developed for neural prosthetic applications.
- The system utilizes a skin-penetrating, bone-anchored titanium pedestal housing an 11-channel electrode array.
- Initial applications are focused on audiology, specifically targeting the temporal bone fixture site.
Purpose of the Study:
- To review the design features of the percutaneous connector system.
- To assess soft tissue reactions and osseointegration of the titanium pedestal through animal studies.
- To present histological data and outline future mechanical, electrical, and clinical testing.
Main Methods:
- Development of a percutaneous connector system with a titanium pedestal and an 11-channel electrode array.
- Utilizing existing designs from EPI Bioglass implant (UCL) and Brånemark System (Nobel Biocare AB).
- Conducting animal studies to evaluate soft tissue response and pedestal osseointegration, including histological analysis.
Main Results:
- Initial animal studies indicate favorable soft tissue reactions and successful osseointegration of the titanium pedestal.
- Histological data from animal studies are presented, supporting the biocompatibility and integration of the implant components.
- The pedestal, electrode array, and external connector are undergoing comprehensive mechanical and electrical testing.
Conclusions:
- The developed percutaneous connector system shows potential for neural prosthetic applications, particularly in audiology.
- Animal study results suggest good biocompatibility and osseointegration, supporting the system's feasibility.
- The system is progressing towards clinical trials for tinnitus and cochlear implant applications, utilizing advanced electrode arrays and signal processing.