Stainless Steel Bipolar Electrodes, Standard Tip

Elgiloy (MicroProbes)
Description

Elgiloy (a stainless cobalt-chromium alloy) is available in monopolar electrodes for specialty applications, such as vibrating probes for SVET. Elgiloy is most commonly used in dental implants and offers good biocompatibility and corrosion resistance.

Advantages Disadvantages
  • Versatile metal that offers good recording performance in acute and chronic applications.
  • Contains a small percentage of iron, which allows electrode tracts to be visually identified using Prussian Blue staining techniques.
  • Inadequate for microstimulation due to poor charge transfer characteristics and electrochemical instability during stimulation.
  • May corrode and degrade in performance when implanted for long periods of time or subjected to certain stimulation protocols.

 

Stereotrodes (Bipolar Electrodes) - Elgiloy Stainless Steel - Standard Tip (225 µm × 3")

Item

Length

Outside Diameter

Tip Separation

Impedance

Applications

Pkg of 10

EL3ST30.1A10

76 mm

0.610 mm

225 µm

0.1 MΩ

Multi Unit record. & Stim.

€ 507.00

EL3ST30.5A10

76 mm

0.610 mm

225 µm

0.5 MΩ

Single & multiunit rec. & stim.

€ 507.00

EL3ST31.0A10

76 mm

0.610 mm

225 µm

1.0 MΩ

Single & multiunit rec. & stim.

€ 507.00

EL3ST31.5A10

76 mm

0.610 mm

225 µm

1.5 MΩ

Single & multiunit rec. & stim.

€ 507.00

EL3ST32.0A10

76 mm

0.610 mm

225 µm

2.0 MΩ

Greater Selectivity & Micro. Stim.

€ 507.00

 

Stereotrodes are excellent for bipolar stimulation studies where the current injection needs to be confined to a small localized part of the neural tissue.

They have also been used for enhanced isolation of single neural elements by simultaneous recordings of multiple units on two closely spaced microelectrodes. The tip spacing is typically equal to the diameter of the electrode shaft, however, they can be specified to greater separations in most instances.

MicroProbes offer a variety of electrode configurations including tip profiles, in different lengths, mounting schemes, also for concentric or single electrodes and custom designs.

 

Common Tip Profiles:

Standard Tip Profile
A - STANDARD TIP PROFILE
The standard tip profile features a sharp yet robust point that offers versatile performance and an effective balance between penetration and durability.
Blunted Tip Profile
B - BLUNTED TIP PROFILE
The blunted electrodes are engineered to have a more rounded, bullet-shaped tip. For many applications the blunted tip can offer superior stimulation performance.
Heat Treated Tapered Tip Profile
H - HEAT TREATED TAPERED TIP PROFILE
The heat-treated electrodes are intended for those investigators who must penetrate their probes through tough membranes, such as the dura mater of larger mammals.
F -The extra-fine tip profile is not offered for Elgiloy electrodes.

 

Also see:

Selecting the Optimum Electrode Configuration