Technology

Seeing the light for treatment-resistant epilepsy

Most users of CorTec’s implantable electrodes use electrical energy to power their neurostimulation device. Our long-standing collaboration partner Synergia Medical  is exploring an alternative option: Light! A special promise of optoelectronic solutions is based on the fact that they can use light conductors instead of metallic cables for energy transmission. Metallic cabling poses a risk […]

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Bladders need flexibility

Our urinary bladders have to fulfil two very different functions: On the one hand, they need to reliably collect urine throughout the day without any unintentional leakage. On the other hand, they need to empty as completely as possible during urination. To that end, the muscles involved in those two processes need to perform opposite

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Fast Design Iterations for Precise Silicone Moulds for Active Implants

CorTec is offering a wide spectrum of services accompanying you all the way through the development of innovative technologies leading to an approved medical device in the end. One step on that way is to design application specific mouldings to protect the sensitive parts of the implant, such as its electronics with our encapsulation technology.

Fast Design Iterations for Precise Silicone Moulds for Active Implants Read More »

CorTec’s fully implantable In-Line Connector

Our connector technology portfolio has been supplemented by a further development. The new In-Line Connector is based on well-known and proven technologies that are already in use today. The fully implantable 8 channel connector (female) allows interconnection to common DBS leads (i.e. Boston Scientific). The connector’s contacts by Bal Seal Engineering® are made of MP35N

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Getting a grip on life again – through sophisticated nerve stimulation

The extent to which our everyday life relies on dexterous usage of our hands is something that we usually only realize when things go wrong, e.g., when we break a bone and our hand is fixed in a plaster cast. Tetraplegic patients permanently suffer from these restrictions throughout their lives. Restoring hand movements, especially functional

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Strengthening “weak bladders” by nerve stimulation

Bladder problems affect millions of people worldwide, significantly decreasing quality of life and often coming with additional medical complications. One of the most common syndromes is called “overactive bladder”, in which, as the name already suggests, patients experience a constant urge to urinate. In a recent story, we already reported how scientists are currently trying

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Neuromodulation: now also a promising candidate for alleviating painful bladders

Interstitial cystitis (IC), also called bladder pain syndrome (BPS), is a chronic bladder health issue that strongly affects everyday life of millions of people worldwide. Patients chronically feel pain and pressure in the bladder area and an increasing urge to urinate. The causes for the condition are still unclear and treatment attempts often remain unsatisfactory.

Neuromodulation: now also a promising candidate for alleviating painful bladders Read More »

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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