Multitrode

The Thomas RECORDING Multitrode is a robust, multiuse, multicontact stainless steel electrode with an electrode array consisting of 8 gold contacts. The contact diameter is 40µm with a spacing of 125µm between the contacts.

Key features:

  • Durable, multi-use, multi-site linear probe
  • 7 + 1 electrode sites embedded in a stainless steel needle
  • Shaft material: stainless steel
  • Electrode contact material: Gold
  • Electrode contact diameter: 40µm
  • Electrode contact spacing: 125µm (other spacings on request)
  • Connector type: Cables with gold plated single sockets (other connectors on request)
  • Low price

Technical Data of the Thomas RECORDING Multitrodes

Feature Multitrode Type I Multitrode Type II
Total length 136mm 110mm
Frontal probe section length 80mm 99mm
Frontal probe section diameter 300µm 300µm
Top probe section lenght 45mm
Top probe section diameter 500µm
Electrode reinforcement tube material Stainless steel Stainless steel
Number of electrode contacts 8 = 7 (linear array) + 1 (tip contact) 8 = 7 (linear array) + 1 (tip contact)
Electrode array contact diameter 40µm 40µm
Electrode array contact spacing 125µm 125µm
Electrode array total length app. 750µm app. 750µm
Distance tip-first array contact app. 650-700µm app. 650-700µm
Electrode contact material Gold Gold
Connection interface Printed circuit board (pcb) Printed circuit board (pcb)

Features

The Thomas Multitrode is available in two different lengths:

Type I: Total length = 136mm

Type II: Total length = 110mm

The frontal probe section of the Multitrode Type I has a length of 80mm and an outer diameter of 300µm and the total length of this probe is app. 136mm where the last 50mm have an outer diameter of 500µm. At the top end of the electrode is a printed circuit board with connection cables. The probe connector is a compact multicontact connector, but other connectors are available on request. The probe tip is electrically connected to the electrode connector as an eights electrode contact and has a distance of app. 650-700µm to the first electrode array contact. Detailed technical data are listed in table 1 below.

Thomas RECORDING Multitrode Type I

Figure 1: Thomas RECORDING Multitrode Type I

Thomas RECORDING Multitrode Type II

Figure 2: Thomas RECORDING Multitrode Type II

Publications

[4] Haab L., Mortezapouraghdam, Z., Schubert, K., Szczygielski, J., Schwerdtfeger, K. and Strauss, D.; Analysis of Dominant Neural Activity Clustering in Laminar Cortical Processing of Acoustic Stimuli in Rat utilizing Von Mises-Fisher Distribution; Conference on Neural Engineering (NER), 2013 6th International IEEE/EMBS

[3] Sumito Okuyama, Toshinobu Kuki, Hajime Mushiake; Representation of the Numerosity‘zero’ in the Parietal Cortex of the Monkey; Scientific Reports, 5:10059, DOI: 10.1038/srep10059; www.nature.com/scientificreports/

[2] Sung-min Park, Esra Tara, Kamran Khodakhah; Efficient generation of reciprocal signals by Inhibition; J. Neurophysiol 107:2453-2462, 2012. First published 1 February 2012;doi:10.1152/jn.00083.2012

[1] Antonio G. Zippo, Riccardo Storchi, Sara Nencini, Gian Carlo Caramenti, Maurizio Valente, Gabriele Eliseo M. Biella; Neuronal Functional Connection Graphs among Multiple Areas of the Rat somatosensory System during Spontaneous and Evoked Activities; PLOS Computational Biology, www.ploscompbiol.org, June 2013, Volume 9, Issue 6, e1003104


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