Medical Device Cleaning: Soft Acrylic Intraocular Lenses (IOLs)
Q: We are cleaning both hydrophilic and hydrophobic acrylic polymers. The cleaning process we use is mostly manual, involves no extended soaking, rather short contact with rubbing, and/or usage in an ultrasonic bath. Which of your products — Alconox, Tergazyme or Liquinox — would be most suitable for the cleaning of soft acrylic intraocular lenses (IOLs)?
Solujet Inhibited for Cleaning Aluminum
Q. Specifications indicate that “Solujet is inhibited for Aluminum. Corrosion testing is advisable.” What does this mean?
A. Solujet contains sodium metasilicate which acts as a corrosion inhibitor to stop alkaline attack on aluminum. Solujet would not cause alkaline attack on aluminum as long as the bath is not overused and the metasilicate depleted. Learn more.
Detecting Residue in Cleaning Validation
When beginning cleaning validation, a company must identify the residues to be tested and then select the best detection method. Alconox, LLC is here to help. We provide validation service support
Why “No Phosphates” for Medical Instrument Cleaning?
Q: Why do some medical instrument makers caution against cleaning with phosphate cleaners? A: This derives from fear of Tri Sodium Phoshpate (TSP) cleaners that can have a pH of 12 in a 1% solution, which OSHA, for example, would define as corrosive, meaning…
How Long for Residue Free Ultrasonic Cleaning?
Q. How to determine appropriate cleaning time to clean parts with ultrasonic cleaner?
A. Observations and cleaning trials are the best way to determine appropriate cleaning time. Many people use 10 minutes as a cleaning time. For difficult residues…
