® CereStim R96 User Manual Blackrock Microsystems, LLC 391 Chipeta Way, Suite G Salt Lake City, UT 84108 Tel: (866) 806-3692 www.blackrockmicro.
Blackrock Microsystems CereStim R96 - User Manual © Copyright 2011 Blackrock Micosystems, LLC. All rights reserved. Copying or other reproduction of this document is prohibited without prior written consent of Blackrock Microsystems, LLC. Rev. 1.
Blackrock Microsystems CereStim R96 - User Manual Contraindications, Warnings and Cautions IEC60101-0102 Danger of Electrostatic Discharge (ESD) IEC 348 Consult instructions for use ISO7000-0434 Attention, consult accompanying documents IEC606417-5335 Type BF Applied Part IEC60417-5172 Class II Equipment EN-980 Combined Manufacturer/Manufacturing Date EN-980 Serial Number YEAR Contraindications The CereStim R96 should not be used in clinical applications.
Blackrock Microsystems CereStim R96 - User Manual Avoid strong static discharges from sources like televisions or computer monitors because it can damage the electrical parts of the system. Keep the CereStim R96 away from liquids. Contact with water, shower spray, or wet surfaces can lead to the subject receiving an electrical shock. Do not unplug the power supply to the CereStim R96 while the system is in use.
Blackrock Microsystems CereStim R96 - User Manual Electromagnetic Compatibility The following tables document compliance levels and guidance from the IEC 60601-1-2 2007 Standard, for the electromagnetic environment in which the CereStim R96 should be used. Medical Electrical Equipment requires special precautions regarding EMC and should be installed and put into service according to the guidelines provided in the tables below.
Blackrock Microsystems CereStim R96 - User Manual Guidance and Manufacturer’s Declaration – Electromagnetic Immunity for 25 cycles CereStim R96 be powered from <5% UT an uninterruptible power (>95% dip in UT) for 5 supply or a battery. sec It may be necessary to position the CereStim R96 further from Power Frequency sources of power frequency (50/60 Hz) magnetic magnetic fields or to install 3 A/m field Not Applicable magnetic shielding.
Blackrock Microsystems CereStim R96 - User Manual Guidance and Manufacturer’s Declaration – Electromagnetic Immunity an electromagnetic site survey a , should be less than the compliance level in each frequency range. b Interference may occur in the vicinity of equipment marked with the following symbol: ** Modulation scheme can be 2 Hz or 1 kHz. NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies NOTE 2 These guidelines may not apply in all situations.
Blackrock Microsystems CereStim R96 - User Manual System Specifications Model Name CereStim R96 Number of Output Channels 96 Number of Current Modules 16 Type of Protection Class II Degree of Protection Type BF Applied Part Output Current 1-215 µA, adjustable in 1 µA increments Maximum Output Voltage ±4.7V to ±9.5V, adjustable in 0.6V increments Train Duration 194µs-66,845,700µs (0.000194 – 66.8 seconds) 1-255 pulses/train Pulse Duration 141µs – 196,605µs (0.000141 – 0.
Blackrock Microsystems CereStim R96 - User Manual Table of Contents Warnings ....................................................................................................................................... i 1 System Overview ........................................................................................................................... 1 1.1 Packing List .....................................................................................................................................
Blackrock Microsystems 1 CereStim R96 - User Manual System Overview The CereStim R96 is a fully programmable neurostimulator with 96 output channels and the capability of producing up to 16 simultaneous stimuli. The biphasic current pulses generated by the CereStim R96 are intended to stimulate neurons in proximity to a set of implanted electrodes.
Blackrock Microsystems 2 CereStim R96 - User Manual Hardware The CereStim R96 hardware is composed of one main board and at least one current generator module. Currently, the system can hold up to 16 current modules. Each current module is connected to each output channel (96), so that the number of channels is independent of the number of modules. Systems containing multiple modules (2 or more) are capable of generating simultaneous stimuli, where N modules allow N stimuli at the same precise time.
Blackrock Microsystems CereStim R96 - User Manual TTL 5V Output (6): The TTL 5V output signal is intended to be used as a method for synchronizing external data acquisition systems. The TTL goes high 60 µs before stimulating, and goes low once the stimulation sequence is complete.
Blackrock Microsystems CereStim R96 - User Manual Monitor (10): Connection to the monitor allows users to observe the operation of the CereStim R96 Current Modules using an oscilloscope or other monitoring device. The pinout for this connector is shown in Figure 2-5 to the right. Numbers 1-16 refer to the monitor line of the corresponding current module (i.e. number 1 corresponds to module 1).
Blackrock Microsystems CereStim R96 - User Manual WARNING: Always make sure that the CereStim R96 is turned off before connecting/disconnecting any cables 2.4.1.4 Connect the external power supply to the CereStim R96 and plug it into a wall outlet. 2.4.1.5 Connect the USB port on the Front Panel of the CereStim R96 to a USB port on the computer with the USB A-B cable (included in packaging). 2.4.1.
Blackrock Microsystems CereStim R96 - User Manual CAUTION: The CereStim R96 is ONLY recommended for use with low impedance (<100 kΩ) electrodes such as the NeuroPort™ SIROF array provided by Blackrock Microsystems 2.4.2.7 Open the Stim Manager Software on your PC and turn on the CereStim R96. The status bar in the lower right-hand corner of the Stim Manager window should change from green to orange, indicating that the CereStim R96 is connected.
Blackrock Microsystems CereStim R96 - User Manual modules are grey. Active current modules can be disabled by clicking on one of the active arrays. Deactivated modules change from green to red. Enabled Disabled Unavailable Mode Panel (3): Stim Manager has two working modes: automatic and manual. The mode is changed by clicking the ‘Switch’ button in the Mode Panel. Auto Mode: This is the default mode.
Blackrock Microsystems CereStim R96 - User Manual Anodic First Cathodic First Figure 3-9: Cathodic and Anodic Pulse Figures Pulses Panel (5): This panel allows the user to define up to 16 different stimulation patterns. The available features are as follows: Config Id: This drop down box allows the user to select an identification number for up to 16 different pulse configurations. Config 0 is used in the Test Modules and Test Electrodes functions and should not be changed.
Blackrock Microsystems CereStim R96 - User Manual Configuration ID Panel: This panel stores the pulse configurations created by the user in the Pulses Panel. The test pulse parameters are saved as Config 0 and should not be changed. Stimulation Panels (6): Stimulation scripts are defined by a series of single stimulations, groups and wait instructions. Stimulus Panel: This feature is available when Stim Manager is set to Auto Mode.
Blackrock Microsystems o o o o CereStim R96 - User Manual 68 µs delay between single stimulations 76 µs delay between the end of a stimulus and the beginning of a group 68 µs delay between the end of a group and the beginning of another stimulus 116 µs delay between the end of a group and the beginning of another group. Repetition Panel: This feature allows the user to repeat the Stimulation Script a specified number of times, or to run it as a continuous loop.
Blackrock Microsystems 3.2 CereStim R96 - User Manual Stim Manager Report Tab 1 2 4 3 Figure 3-11: Stim Manager Report Tab Researcher Panel (1): This feature allows the user to record and save the name of the researcher conducting the test/procedure. Patient Panel (2): This panel allows the user to record and save identifying information for the patient, including the patient’s name and pathology as well as the date and time of the test/procedure.
Blackrock Microsystems 3.3 CereStim R96 - User Manual Stim Manager Administration Tab 1 2 3 Figure 3-12: Stim Manager Administration Tab Unlock Administrator Rights Panel (1): Unlocking the Administrator Rights allows users to restrict the Output Vmax, Amplitude, Phase Width, Interphase Delay, Interpulse Delay and Charge per Phase to a set of maximum values. Upon initial start-up, the administrator password is set to ‘Stim100.
Blackrock Microsystems CereStim R96 - User Manual Update: New max values are stored by clicking the ‘Update’ button. This button is only available to users with administrative rights. Read: All users are able to read the existing Max Value settings by clicking the ‘Read’ button regardless of administrative rights.
Blackrock Microsystems CereStim R96 - User Manual 3. If the problem persists, contact Blackrock Microsystems for additional troubleshooting or to initiate an RMA I am unable to make changes to the pulse configurations or the stimulation script. 1. Confirm that you are in Auto Mode. Stim Manager must be in Auto Mode in order to make any changes to the pulse configurations or the stimulation script. 2. Click the ‘Stop’ button.
Blackrock Microsystems CereStim R96 - User Manual Appendix A: Observed Current at Increasing Output Vmax Appendix A provides indications for the amount of output current (µA) that is observed at each output Vmax voltage for either 99 kΩ or 49.9 kΩ electrode impedances. The figures below show the observed output current (µA) measured from the CereStim R96 electrode outputs for both the Cathodic and Anodic phases.
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Blackrock Microsystems CereStim R96 - User Manual 49.9 kΩ Electrode Impedances Rev. 1.
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