New Cooperative Project: Implantable Neurotechnology for Restoring Motor Functions

Under the leadership of CorTec, an interdisciplinary consortium comprising the Universities of Ulm and Freiburg, the Max Planck Institute for Intelligent Systems as well as the University Medical Centers of Freiburg and Tübingen will work towards clinical applications of CorTec’s Brain Interchange system.

Hard- and software development in the universities and within the company will be complemented by preclinical research and two pilot clinical studies. At the University Medical Center of Freiburg, the clinical study will focus on support of communication by paralyzed patients. At the Medical Center of Tübingen, applications for stroke rehabilitation will be explored.

The German Federal Ministry of Education and Research (BMBF) is supporting the project within the program “KMU innovative: Medizintechnik” (Innovative SME: Medical Technology) for a period of three years with a total funding of approximately five million Euro.

Learn more about “KMU innovative”

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SPECIFICATIONS

FEATURE 

Recording channels 

Sampling rate 

Sampling dynamic range 

High pass filter cut-off 

Low pass filter cut-off 

Amplifier band pass gain 

Band pass roll-off 

Reference


Stimulation 

Stimulation channels 

Current 

Current source 

Pulse width 

Power supply 

Wireless data transmission 

Closed Loop latency

VALUE

32 

1 kHz 

16 bit (74 nV smallest increment) 

ca. 2 Hz 

325 Hz 

Adjustable: 100-750 

20 dB/dec 

Any (subset) of the recording channels selectable by software or one dedicated hard-wired additional contact 

Current-controlled, biphasic, rectangular, asymmetric stimulus pulses (cathodic amplitude with pulse width followed by an anodic counter pulse of 1/4x amplitude and 4x pulse width) 

 32 

Max. -6 mA / +1.5 mA (24 µA increments) within

 compliance voltage range of -11 V to +5 V 

Can be directed to any of the 32 electrode contacts 

Negative phase: 10 µs – 2,500 µs

Wireless inductive, 120-140 kHz

Bi-directional, radio frequency in 2400-2483.5 MHz band ≤ 40 ms