Vibrating Microtomes & Rotary Microtomes

For almost 20 years, Precisionary Instruments has specialized in designing and manufacturing tissue slicers. With our patented technology, we are devoted to helping you obtain the highest quality tissue slices for research and clinical needs.

Compresstome® Vibrating Microtomes

Our Compresstome® vibrating microtome makes tissue slices for neuroscience, respiratory, cardiac, plant, and polymer studies. With 3 patents and 800 publications using our vibrating microtomes, our vibratome is used for electrophysiology, tissue culture, and immunohistochemistry.

Rotary Microtomes

Rotary Microtomes

Our rotary microtomes come in manualsemi-automated, and fully automated models to help you section perfect paraffin-wax embedded slices and more for histopathology.


Everything Precisionary Instruments does is designed to make the lab users’ experience easy – from purchase, to use, to maintenance, to sharing expertise for success and publication.


Comprehensive package


Proactive care/service



Success Coaching/ Microtome Mentors

Covered by a 5-year warranty (included!)

Introducing our new model

Compresstome VF-510-0Z

The Compresstome® VF-510-0Z is our newest vibrating microtome models. Designed by engineers with customer feedback, this tissue slicer is best used to create sections for electrophysiology, organotypic culture (tumor slices), precision-cut tissue slices (like PCLS), and immunohistochemistry (IHC). 

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Research and Clinical Applications


Produce healthier slices for patch-clamp, field recordings, and calcium imaging for brain, heart, and kidney tissue slices.



Produce healthier slices for patch-clamp, field recordings, and calcium imaging for brain, heart, and kidney tissue slices.

Precisionary Instruments


Use our Compresstome® tissue slicer and rotary microtomes to create smooth, thin & consistent sections for protein staining.

Compresstome VF-310-0Z for Precision-Cut Tissue Slices

Precision-cut tissue slices

Get higher quality live tissue slices for studies of lung, liver, kidney, gut, spleen, and reproductive tissues. Excellent for enzyme or toxicology research.

Tissue culture

Tissue culture

Use the Compresstome® vibratome for organotypic brain slice cultures and tumor slice cultures.

section polymers

Plant, polymers, and more!

Did you know that our microtomes can also be used to section polymers, hard materials, and plants? Check it out!


Hear it from our customers

Our Blog

Latest News & Events

New Partnership with Green Leaf Scientific

Precisionary Instruments and Greenleaf Scientific Announce Partnership to Help Streamline Tissue Sectioning in Life Sciences Precisionary Instruments LLC, a leading designer and manufacturer of

Improvements on Our Newest Compresstome VF-510-0Z

Message From Our CEO My name is George Kong and in 2004 I founded Precisionary Instruments with my father Dr. Jian-Qiang Kong. Our goal
Compresstome in Plant Research

Using the Compresstome in Plant Research

Plant Tissue for Research Today, let’s dive into the world of plant tissue research! Did you know that methods and techniques for studying plant
About Us

Precisionary Instruments

With almost 20 years of in-depth experience, Precisionary Instruments continues to work directly with scientists and engineers to create the most innovative microtomes

Empowering scientists and clinicians in achieving their goals through innovation, reliable products and services.

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