Blackrock Microsystems CerePlex E Series User manual

Manufacturer

630 Komas Drive | Suite 200

Salt Lake City | UT 84108 | USA

P +1 (801) 582-5533 | F +1 (801) 582-1509

www.blackrockmicro.com

Revision 4.00 / LB-0545 – CerePlex E IFU – 2020/11

CerePlex E

PN: 7513, 10511 – E96

PN: 8010, 10510 – E128

PN: 10747 – E256

Instructions for Use

Revision 4.00 / LB-0545 – CerePlex E IFU

Table of Contents

What this Manual Covers ...................................................... 3

Intended Use and Indications for Use ................................... 3

Warnings and Precautions .................................................... 4

Warnings ........................................................................................ 4

Precautions ..................................................................................... 5

Specifications ........................................................................ 6

Hardware ............................................................................... 7

Blackrock CerePlex E Setup ........................................................... 7

Instructions for Assembly ................................................................ 9

CerePlex E Channel Mapping ....................................................... 11

Description of Switches on the CerePlex ...................................... 11

Impedance and Recording Selector Switch ................................ 11

Frequency Range Selector Wide & Norm ................................... 11

Reference and Ground Selector ................................................. 11

R1 and R2 Reference Selector ................................................... 12

Cleaning & Maintenance Instructions .................................. 13

Sterilization ................................................................................... 13

Cleaning and Maintenance ........................................................... 13

Filament Film Disassembly and Replacement .............................. 13

Disposal ........................................................................................ 14

Magnetic Resonance .......................................................... 15

Troubleshooting .................................................................. 15

Return Merchandise Authorization ...................................... 16

Warranty .............................................................................. 17

Support ................................................................................ 17

Complaints .................................................................................... 17

Revision 4.00 / LB-0545 – CerePlex E IFU

What this Manual Covers

The CerePlex E is a Digital Headstage Accessory that provides a compact interface from

electrodes bonded to a Blackrock CerePort pedestal to the Cerebus or CerePlex Direct

data acquisition systems. The CerePlex E converts analog signals to digital format at the

recording site, which can reduce noise introduced into the signal during transmission to

the recording system.

This Instructions for Use will cover important information about the device including

warnings, hardware settings, and maintenance activities.

There are several CerePlex E models that are available in different channel counts.

These are outlined in the table below.

Intended Use and Indications for Use

The CerePlex E is intended to be used with the CerePort pedestal for animal research

only.

The CerePlex E supports processing and display of biopotential signals from user

supplied electrodes. Biopotential signals include but are not limited to:

Electrocorticography (ECoG), electroencephalography (EEG), electromyography (EMG),

electrocardiography (ECG), electrooculography (EOG) and Evoked Potential (EP).

Model Name

CerePlex E96

CerePlex E128

CerePlex E96

CerePlex E128

CerePlex E256

Model Number

7513 8010 10511 10510 10747

Channel Count

96 128 96 128 256

Revision 4.00 / LB-0545 – CerePlex E IFU

Warnings and Precautions

Warnings

 Only connect Cerebus System components to properly tested, grounded

and dedicated AC outlets to reduce the risk of electrical shock. Do not

use an adapter for ungrounded wall outlets.

 Use only the supplied Blackrock Microsystems components (Cerebus™

system, Digital Hub, CerePlex E HDMI Cable).

 Substitution of components not supplied by Blackrock Microsystems may

affect system performance and patient/subject safety.

 Do not connect the Cerebus System to an outlet controlled by a wall

switch.

 Do not use the CerePlex E in the presence of flammable anesthetic

agents.

 Keep the CerePlex E away from liquids. Contact with water, shower

spray, or wet surfaces can lead to the subject receiving an electrical

shock.

 Connection of external instruments may compromise electrical safety

compliance with IEC 60601-1.

 Always use antistatic or electrostatic discharge (ESD) safe gloves when

connecting the CerePlex E.

 The CerePlex E digital data cable is long and may snag on equipment in

the room. Secure equipment in place and avoid placing in walkways or

other traffic areas. Pulled cables may cause damage to the CerePlex E

and any other connected devices.

 When the CerePlex E is attached to the CerePort pedestal, force applied

to the CerePlex E will be applied to this connector. Avoid large impacts to

the device when it is attached to the subject.

 Do not leave the patient/subject connected to the CerePlex E when the

data acquisition system is not in use.

Revision 4.00 / LB-0545 – CerePlex E IFU

Precautions

 Read this entire manual prior to using the device.

 Do not allow the digital data cable to be pulled and apply force to the

CerePlex E.

 Do not allow any object to impact the CerePlex E while in use.

 Do not drop the CerePlex E when handling.

 Do not use the CerePlex E with damaged data cables or data cables that

are not supplied by Blackrock, doing so may damage the device.

 When replacing the filament film of the device, avoid touching circuit

board components as these can be easily broken and cause damage to

the device.

 Do not attempt to use the CerePlex E with connectors other than the

CerePort pedestal connector.

 Do not plug the digital data cable into devices other than the Digital Hub

and Blackrock approved headstage accessories.

 Avoid spilling fluid onto or into the CerePlex E as doing so may cause

electrical damage to the device and loss of function or electrical shock.

 Avoid strong static discharges from sources like televisions or computer

monitors because it can damage the electrical parts of the system.

 Using the ‘Wide-Band’ filter mode on the device may cause a reduced

signal to noise ratio. Do not use a washing machine or an automated

washing process (such as an automated washer/disinfector). Doing so

may damage the devices.

 Do not allow contaminated devices to dry. All subsequent cleaning and

steps are facilitated by not allowing blood, body fluids, bone and tissue

debris, saline, or disinfectants to dry on used devices.

 Avoid overtightening the CerePlex E when attaching to the CerePort

Electrode. Device damage may result.

Revision 4.00 / LB-0545 – CerePlex E IFU

Specifications

Model Name

CerePlex E

CerePlex E128

CerePlex

E256

Model Number

7513/10511 8010/10510 10747

Number of

Channels

96 128 256

Power Re

quirements

0-5 VDC, 150 mA maximum load 0-5 VDC, 300 mA

maximum load

Resolution

16-bit, 250 nV per step

Sampling Frequency

30,000 Samples per Second

Mode of Operation

Continuous

Input Hardware Filter

Normal Mode:

0.3 Hz (1st Order) – 7.5 kHz (3rd Order)

Wide-Band Mode:

0.02 Hz (1st Order) – 10 kHz (3rd Order)

Input Filter Type

Butterworth

Input Impedance

1300 MΩ @ 10 Hz, 13 MΩ @ 1 kHz

Imp

edance Measurement Range

5 kΩ – 1 MΩ

Maximum Input

Range

± 8.192 mV with Respect to Reference

Dimensions

L 24.9 mm x W 17.7 mm x H 17.9 mm L 24.9 mm x W 35.4

mm x H 17.9 mm

Operating Environme

10˚ C to 40˚ C, 5 to 95% R.H. (non-condensing)

Storage Environment

-20˚ C to 50˚ C, 5 to 100% R.H. (non-condensing)

Water Ingress Protection

Ordinary Equipment, not fluid resistant, IP20

Revision 4.00 / LB-0545 – CerePlex E IFU

Hardware

Blackrock CerePlex E Setup

Figure 1 demonstrates how the CerePlex E96/128 connects with the Digital

Cerebus System or the CerePlex Direct in a lower channel configuration.

Figure 1–System Diagram of CerePlex E96/128 Connected to the Cerebus System or the CerePlex Direct.

Revision 4.00 / LB-0545 – CerePlex E IFU

Figure 2 demonstrates how the CerePlex E 256 connects with a 256-channel

Digital Cerebus System or the CerePlex Direct in a 256-channel configuration.

Figure 2–System diagram of CerePlex E256 connected to the Cerebus System or the CerePlex Direct.

Revision 4.00 / LB-0545 – CerePlex E IFU

Instructions for Assembly

Note: In order to use the CerePlex E 256 with a Cerebus system, two modified

Digital Hubs will be needed. If you are unsure if you have the necessary modified

equipment, contact Blackrock Support by emailing support@blackrockmicro.com.

The CerePlex E is designed to mate with the CerePort pedestal attached to

Blackrock or third-party electrodes. The CerePlex E is equipped with three guide

posts. These guide posts must be aligned with the three available notches

around the edge of the CerePort pedestal to facilitate a correct connection

between the CerePlex E and the implanted electrodes. For a detailed procedure

on how to connect the CerePlex E headstage to CerePort pedestal please refer

to the following instructions:

1. Connect the CerePlex E to either a CerePlex Direct or Digital Hub

through an HDMI A-D cable (see Figure 3).

 For the E 256, HDMI Connector A is associated with banks A, B, C, and

D of the LGA connector and HDMI Connector B is associated with banks

E, F, G, and H of the LGA connector. To maintain proper channel

numbering on an E 256, the HDMI A-D cable going to HDMI Connector A

should be plugged into a lower numbered HDMI port on the Direct or Hub

than the HDMI A-D cable going to HDMI Connector B.

2. Power on the connected host device.

3. The LED on the CerePlex E should light up as blue.

Figure

–

HDMI connection to the CerePlex E (E96/128 shown)

Revision 4.00 / LB-0545 – CerePlex E IFU

4. Roughly align the guide pins with the pedestal before attaching to the

pedestal (see Figure 4).

5. Hold the CerePlex E housing with one hand and gently rotate the wheel

clockwise with another hand (see Figure 5).

6. While screwing down, slightly rotate the housing left or right until you feel

the guide posts slide into the notches.

7. Once the CerePlex E is aligned with the pedestal, rotate the wheel

clockwise until the device is secured to the pedestal (see Figure 5).

 Precaution: Avoid overtightening the CerePlex E when attaching to the

CerePort Electrode. Device damage may result.

8. The blue LED will turn green when the device is firmly mated with the

CerePort Electrode and data should be visible in the Central software.

The instructions above are also detailed in one of the Blackrock training videos which

can be accessed online from the Blackrock Microsystems website under How-to Videos.

Figure 4–Proper orientation of the CerePlex E relative to the CerePort Pedestal. Note

how the notches in the Pedestal align with the guide pins in the CerePlex E when

oriented correctly before mating

Figure 5–Rotate the wheel clockwise to secure the CerePlex E to the CerePort Pedestal

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