Description
Castroviejo Blade Holder & Breaker
The Castroviejo blade holder and breaker is a 13 cm tool that grips a piece of razor blade. You snap the blade to the size you want, then use it as a fine knife. The listed dimension is 8 mm.
How the Blade Breaker Works
First, place a razor blade in the jaws. Next, tighten the jaws and snap off a fragment at the angle you want. Then the holder keeps that small blade firm while you cut. Most users break the blade at an angle, so the fragment ends in a fine point.
Why Surgeons Use a Blade Breaker
A broken blade can give a very sharp, very small edge. As a result, it suits fine incisions where a standard scalpel feels large. Many surgeons like being able to shape the edge themselves. It also cuts waste, since one blade yields several fragments.
Blade Holder Key Details
Here are the main points to note.
- 13 cm overall length
- Listed dimension: 8 mm
- Holds razor blade fragments
- Reusable handle after sterilization
Blade Breaking Safety Habits
Always snap blades away from yourself and others. Also wear eye protection when breaking blades, since fragments can fly. Finally, dispose of used blade pieces in a sharps container. Never reuse a fragment between patients.
Caring for the Holder
Remove the blade before you clean the holder. Then brush the jaws and threads, rinse and dry fully. Also check that the jaws still grip firmly, because a loose blade is unsafe.
The holder ships non-sterile, and after cleaning and sterilization you can use it for many cases; blades are separate consumables. The stainless steel of the handle follows ASTM F899, and our team checks the jaws in the United States. Your blade breaker comes with three years against manufacturing defects. For a ready-made knife, see the eye scalpel. Browse our ophthalmic knife range, or read the FAQ pages.
Professional use only. Our cleaning page and delivery information cover the details.






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