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The benchmark for multichannel, high-density neural recording

The Utah Array has become the industry benchmark for recording large populations of neurons. Over the past two decades, this patented microelectrode array technology has undergone numerous refinements and repeated validations in a variety of species including humans, monkeys, birds, rodents, felines and fish—both in-vitro and in-vivo.

These extensive efforts have delivered proven, well-documented methods to obtain stable and long-term neural recordings of action potentials (spikes) and local field potentials in brain and peripheral-nerve tissue. Because the array can be wired to various connector types, researchers can choose a connector that is optimal for chronic or acute recordings—from small to large subjects as well as from slice and cell culture preparations.

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Utah Array features & benefits

  • High-density, multichannel configuration
  • Up to 256 electrodes in various configurations
  • Customizable designs in terms of pitch, length and pass-throughs
  • High-quality neural recordings accessible immediately after implantation
  • Floating neural interface
  • Sterilizable
  • Excellent stability in acute and chronic applications
  • Microstimulation-capable
  • Various connector options are available

Utah Array example applications

Electrical recording and stimulation of:

  • Motor cortex
  • Sensory cortex
  • Spinal cord
  • Peripheral nerve fibers

Utah Array selection guide

  • ICS-96 array (acute: small or large animal, slice)
  • CerePort array (chronic: large animal)
  • Omnetics array (acute: small or large animal, slice)

Dimensions, configuration and mounting

Connector StyleConnection DimensionsImplant TypeSkull Mount
CerePort16.5 mm (H)chronicbone screws
19 mm (d base)
11 mm (d body)
ICS-9618 mm (H)acuteNA
17 mm (W)
37 mm (L)
Omnetics9 mm (H)chronicdental acrylic
7 mm (W)
13 mm (L)

A complete High-Channel-Count Primate Setup from Blackrock Microsystems

High-Channel-Count Primate Setup

Utah Array setups

Brain-Machine Interface (BMI)
High-channel-count primate
Wireless primate


Pneumatic inserter
Electrode array insertion system for the Utah array.

The Blackrock pneumatically actuated inserter implants microelectrode arrays into brain, spinal cord and peripheral-nerve tissue. Its high-speed, momentum-impulse insertion mechanism facilitates complete array implantation with minimal tissue damage. Adjustable insertion speed and implantation depth allows researchers to optimize device settings for different electrode configurations and tissue preparations.

Key features

  • High-speed pneumatic insertion
  • Adjustable implantation depth
  • Minimal tissue insult
  • In-vivo or in-vitro preparations
  • Sterilizable

Utah Array specifications

Channel countUp to 128 active electrode channels
Electrode site metal optionsPlatinum (~400 kΩ @ 1 kHz)
Iridium oxide (~50 kΩ @ 1 kHz)
Reference and groundGround source and selectable reference wires
InsulationParylene-C
Standard electrode lengths0.5 mm – 1.5 mm (Research) 1.0 – 1.5 mm (Clinical)
Standard electrode pitch400 μm
MultiPort option1 to 4 arrays per connector
Wire bundle25 μm Pt/Au lead wires between electrode array and connector
Wire bundle length20 mm to 130 mm length potted with medical-grade silicone elastomer

 

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