Types of Blades for Lab Use


Blades for lab
Blades for lab

With the increasing amount of work performed in the lab, it is important to have a variety of blades for the lab on hand. These tools can help you maintain a productive and efficient lab.

The right blade will depend on your personal needs and the level of safety you need for your environment. Choosing the right tool for the job can make your life easier and help you stay safe.

Safety Scissors

Safety scissors are designed to prevent accidental stab wounds, which can be a major hazard when using shears. They are typically smaller and less sharp than shears, and their handles are made for easy handling by young children.

Many types of safety scissors feature a slightly rounded tip, to make it more difficult to puncture the skin with the blades. They also feature shorter blades, so they’re easier to maneuver and use.

Scissors can be used for several different tasks in the lab, such as cutting sutures and gauze or removing packing materials from laboratory material shipments. Slice ceramic scissors can be a great option for cutting a variety of laboratory materials, and they maintain their sharpness up to 11 times longer than metal blades.

To help you choose the right blades for your lab, Seton offers a variety of different scissor models. Some are made of stainless steel, while others are ceramic.

Microtome Blades

Microtome blades are used to cut samples into fragile segments for light and electron microscopy. Various types of blades are available, including glass, diamond, and sapphire.

Rotary microtomes are the most common type of blade used for sectioning paraffin-embedded tissue samples within 0.5um to 60um. They are made up of a handwheel, sample holder, and blade assembly.

The sample is advanced to the blade, and the holder retracts on the upstroke to prevent it from rubbing against the blade and damaging it. This slicing motion is repeated until the sample is sectioned.

Using the proper blade is essential for cutting consistent sections. Without it, scientists risk ruining their most important samples.

In addition, a blade can become rusty and less effective if not cleaned regularly. It’s essential to clean the knife before use, as this will help reduce rust buildup and keep it sharp.

Replaceable Blade Scalpel

Scalpels are sharp, thin-bladed instruments used in precision medical procedures. They can be modified for a wide range of surgical applications including removing bandages, gouging, and cutting stitches.

They are available in several shapes, sizes, and materials. Most scalpels are made from hardened and tempered steel, silver, or composite metal. They can also be coated with zirconium nitride or polymer to improve sharpness and edge retention.

Surgical scalpels are often shaped to fit the hand of the medical professional, providing a secure grip to minimize the risk of injury. They may have a knurled metal or soft plastic handle.

Replaceable blade scalpels are a great option for labs that perform repetitive tasks. They save time and money by not having to re-sterilize traditional scalpels after each use. They are also versatile and can be used in a variety of different settings, including laboratories and biomedical research facilities.

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Slice Blades

A tissue chopper, which is commonly used in gross anatomy labs, morgues, classrooms, and medical examiner or coroner offices, cuts tissue sections with minimal damage to the cell structure. This is achieved by regulating the blade force and slice thickness, resulting in regular bordered slices.

The chopper can also be used to slice specimens that are not sliced using manual methods. Using the control knob and micrometer head, the cut thickness can be pre-determined for each sample.

The finger-friendly(r) blade edges are a safe alternative to traditional metal scissors, reducing the risk of finger laceration and puncture in critical environments such as R&D laboratories and clean rooms. They are also chemically inert and autoclave-friendly, making them ideal for blood sample work.


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