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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Curr Protoc Neurosci. 2018 Oct 13;86(1):e56. doi: 10.1002/cpns.56

Figure 2.

Figure 2

(A) Robotic surgical instrument, which includes three arms connecting three stepper motors individually; the motors are controlled by three USB-based motor controllers via MATLAB-based (Mathworks) GUI software. A syringe holding a 30-gauge blunt-end needle is parallelly mounted on the dorsal-ventral stereotaxic arm, and is connected to the vacuum pump. (B) Left, cleaned skull area; Right, GRIN lens is secured with two layers of dental cement. (C) Procedures for making GRIN lens cap from PCR tube bottom.