Synthesis of a fine neurological electrode by plasma polymerization processing

Joseph Gerard Cannon, R. O. Dillon, R. F. Bunshah, P. H. Crandall, A. M. Dymond

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This research is part of a continuing program for the development of a coaxial depth electrode for research and diagnostic studies of neurological diseases. The requirements for this electrode include (1) strength and resistance to buckling sufficient to ensure self‐forced penetration of brain tissue to a depth of 6 cm; (2) biocompatibility of the materials employed; (3) resistance to brittle fracture; and (4) a total diameter of less than 200 μm to minimize tissue damage. Earlier synthesis efforts using chemical vapor deposition techniques have been successful, although the process yield was 40% and an outer insulating layer had yet to be deposited. Plasma polymerization processes have been employed to realize an increase in the yield and provide an outer insulating layer. The starting material is W‐26 at.% Re wire, nominally 125 μm in diameter. Hexamethyldisilazane (CH3)3SiNHSi(CH3)3 is used to deposit the insulating layers. The paper describes factors influencing the choice of materials, deposition techniques, and properties of electrodes.

Original languageEnglish (US)
Pages (from-to)279-288
Number of pages10
JournalJournal of Biomedical Materials Research
Volume14
Issue number3
DOIs
StatePublished - Jan 1 1980

Fingerprint

Plasma polymerization
Polymerization
Electrodes
Processing
Tissue
Program Development
Brittle fracture
Biocompatibility
Research
Buckling
Chemical vapor deposition
Brain
Deposits
Wire

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

Cite this

Cannon, J. G., Dillon, R. O., Bunshah, R. F., Crandall, P. H., & Dymond, A. M. (1980). Synthesis of a fine neurological electrode by plasma polymerization processing. Journal of Biomedical Materials Research, 14(3), 279-288. https://doi.org/10.1002/jbm.820140309

Synthesis of a fine neurological electrode by plasma polymerization processing. / Cannon, Joseph Gerard; Dillon, R. O.; Bunshah, R. F.; Crandall, P. H.; Dymond, A. M.

In: Journal of Biomedical Materials Research, Vol. 14, No. 3, 01.01.1980, p. 279-288.

Research output: Contribution to journalArticle

Cannon, JG, Dillon, RO, Bunshah, RF, Crandall, PH & Dymond, AM 1980, 'Synthesis of a fine neurological electrode by plasma polymerization processing', Journal of Biomedical Materials Research, vol. 14, no. 3, pp. 279-288. https://doi.org/10.1002/jbm.820140309
Cannon, Joseph Gerard ; Dillon, R. O. ; Bunshah, R. F. ; Crandall, P. H. ; Dymond, A. M. / Synthesis of a fine neurological electrode by plasma polymerization processing. In: Journal of Biomedical Materials Research. 1980 ; Vol. 14, No. 3. pp. 279-288.
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