Small Animal Fixator
Small Animal Fixator - Related Videos
08:53
Whole Animal Perfusion Fixation for Rodents
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Cited by 531 •
2012
Here we describe a low-cost, rapid, controlled and uniform fixation procedure using 4% paraformaldehyde perfused via the vascular system: through the heart of the rat to obtain the best possible preservation of the brain.
01:03
Fixation and Sectioning
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2023
Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens. The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
06:57
Instillation and Fixation Methods Useful in Mouse Lung Cancer Research
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Cited by 48 •
2015
The goal of this paper is to describe simple methods that will greatly aid in the setup and analysis of mouse lungs with lung cancer or other pathologies. We present 3 protocols to simply and reliably carry out lung instillations, fixation, and lung volume measurements.
07:51
Acrylic Resin Molding Based Head Fixation Technique in Rodents
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Cited by 4 •
2016
Traditional head fixation techniques have used metallic frames attached on the skull as an interface for head fixation apparatus. This protocol demonstrates a frameless, acrylic resin molding based head fixation technique for behavioral tasks in rodents.
26:43
Computer-Generated Animal Model Stimuli
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Cited by 8 •
2007
Computer-generated stimuli using the Jacky dragon as a model.
FAQs
Mechanical stability is an experimental variable in a small animal fixator model, not merely a structural feature. By maintaining bone alignment while repair proceeds, the device allows investigators to examine how differing stability conditions affect tissue formation. This controlled comparison helps separate effects associated with the healing environment from variation caused by inconsistent fracture positioning.
The pins or screws provide the connection between each bone segment and the external frame, while the frame preserves the intended relationship among those segments. Because the design can be adjusted, researchers can compare distinct mechanical conditions within a reproducible model. That flexibility is especially useful when testing how stabilization influences skeletal repair.
Reproducibility makes results easier to interpret because researchers can study comparable stabilization arrangements across experimental animals rather than relying on inconsistent bone positioning. In a small animal fixator study, this supports systematic evaluation of fracture healing, bone regeneration, or other skeletal responses under controlled conditions.
A basic setup begins by securing pins or screws within the relevant bone segments, linking them to a rigid frame outside the body, and maintaining alignment during healing. Researchers can then use the stabilized model to investigate repair under defined mechanical conditions and modify the configuration for comparisons.
The model is useful when investigators need a controlled preclinical system for examining fracture healing or bone regeneration. It also supports evaluation of implant performance and therapies before clinical translation. These applications use the device’s ability to maintain alignment and vary stabilization so that skeletal repair can be examined under defined experimental conditions.
In biology, the device links a physical intervention to tissue-level outcomes during skeletal repair. Researchers can use it with fractured or surgically modified bones to investigate how the healing environment shapes tissue formation. This makes the model relevant for studying bone biology while also generating preclinical evidence about repair strategies and implant-related performance.