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. Author manuscript; available in PMC: 2010 Jun 30.
Published in final edited form as: J Neurosci Methods. 2009 Apr 24;181(1):106–110. doi: 10.1016/j.jneumeth.2009.04.012

Figure 2.

Figure 2

A) Overall view of primate chair with halo device. B) Exploded view of the attachment arm (1), attachment plate (2), and halo frame with posts and skull pins (3). C) Enlarged view showing insertion path of skull pin. The pin passes through stainless steel nuts and washers (1), an aluminum offset post (2), a titanium plate that is attached to the skull with titanium cortex screws (3), and into a predrilled hole in the skull surface (4).