These blades are often used to cut, skin, puncture, or even skim, human skin, tissue, plasma, cells etc. Surgical blades are obviously used primarily in the medical industry. Surgical blades also include blades or puncturing devices used for plastic tubing like IV tubes, and medical packaging blades. The high standards required by medical guidelines often mean that only a few blade makers are typically qualified to produce surgical blades. Surgical blades are often very expensive, because of the tedious process in manufacturing them and all of the guidelines that must be followed.
Many surgical blades go into holders.
Some holders are one size fits all, while others have to be made to fit a specific holder. Surgical blades are often made in bulk, because they are used one time only.