An open-source head-fixation and implant-protection system for mice

[Display omitted] Mice are widely used in neuroscience experiments, which often require head-fixation and attachment of skull-mounted hardware. For many experiments, these components must remain intact over weeks to months, ideally with animals group housed. Many labs have designed ad-hoc head-fixat...

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Bibliographic Details
Published in:HardwareX 2023-03, Vol.13, p.e00391-e00391, Article e00391
Main Authors: Weaver, Isaac A., Aryana Yousefzadeh, S., Tadross, Michael R.
Format: Article
Language:English
Subjects:
3D printed
Hardware
Headfix
Mouse
Neural implant
Neuroscience
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Summary:[Display omitted] Mice are widely used in neuroscience experiments, which often require head-fixation and attachment of skull-mounted hardware. For many experiments, these components must remain intact over weeks to months, ideally with animals group housed. Many labs have designed ad-hoc head-fixation systems, which is an inefficient process. For example, when reinventing these solutions in our lab, we faced challenges with group housing, wherein mice would chew and damage implanted cannulas and electrodes of their cage mates. We performed several non-trivial design iterations to solve this problem, and present the most successful designs as an open-source collection. The designs include a standard mounting headbar compatible with most skull-mounted hardware, a snap-on protective mouse hat (headhat) to prevent mice from chewing the hardware, and a head-fixation station to facilitate common experimental procedures. We provide 3D-printing files, detail vendors and software used to make the components of the system, and provide editable design files for maximum flexibility to individual lab requirements.
ISSN:2468-0672
2468-0672
DOI:10.1016/j.ohx.2022.e00391