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Rat stereotaxic surgery without earbars
Authors:Joel M. Kaplan  Robert W. Allan  George Wolf
Affiliation:Department of Psychology, New York University, 6 Washington Place, New York, NY 10003 USA
Abstract:Described here is a rat headholding device intended for use in stereotaxic surgery. The assembly consists of a mouthpiece that accommodates the upper incisors and fits against the lateral and occlusive surfaces of the upper molars and of a contoured extension that is clamped down against the snout. To determine whether the apparatus could provide adequate stereotaxic support, we compared measures of skull displacement during surgery when using the “snoutclamp” and when using conventional earbars. Although the snoutclamp did not hold the head as rigidly as the earbar assembly did, the loss of accuracy was small. We judge that the snoutclamp can be used effectively as an alternative headholding device for many applications of stereotaxic surgery.
Keywords:Stereotaxic surgery  Surgical headholder  Earbars
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