| 摘要 |
A probe used in deep brain stimulation includes a cannula comprising an elongated housing defining an internal aperture and having a base portion with a notch, the housing having a longitudinal axis, and an electrode configured to be inserted through the aperture of the cannula. The electrode and notch are configured such that the electrode will contact the notch when inserted in the cannula and be directed out of the cannula at a non-zero angle relative to the longitudinal axis of the housing.
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