Electron Beam (E-Beam) radiation is the sterilization method of choice for processing products of high volume/low-density, such as medical syringes, or low-volume/high-value products such as cardiothoracic devices.
What it is:
E-Beam radiation is a form of ionizing energy that is characterized by its low penetration and high dosage rates. The Beam - a concentrated, highly charged stream of electrons - is generated by accelerators capable of producing continuous or pulsed beams. As the product/material being sterilized passes beneath or in front of the E-Beam, energy from the electrons is absorbed, altering various chemical and biological bonds and destroying the DNA and reproductive capabilities of microorganisms.
While most materials manufactured for use in sterile healthcare products are formulated for radiation stability, some materials - certain polypropylenes, for example - experience less breakdown and long-term aging effects as a result of E-Beam's shorter exposure time. Other benefits include:
High speed, high capacity accelerators - Sterilizes low-density, uniformly packaged products quickly and effectively
Dosimetric Dosing - Eliminates post-sterilization testing and expedites distribution logisticsMaterial Modification - Electron Beam processing can be used to modify polymers, improve semiconductor switching speeds and change or enhance many other material properties.