Archive | Medical Device

Cold Cleaning

Q: We are a large biotech and in an effort to go green with our cleaning, we are exploring cold cleaning (cleaning with cold water) using your detergents. A: Cold cleaning is a very reasonable approach for energy conservation, and in short, its effectiveness depends on the details of the application.

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Posted in Biotechnology, Cosmetic, Laboratory, Manual Lab Cleaning, Medical Device, Metalworking & Precision Manufacturing, Pharmaceutical0 Comments

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)?

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Posted in Liquinox, Medical Device, Optical0 Comments

Ultrasonic Cleaning Detergent Bath Life

Q: We manufacture medical devices. Can we use our Alconox or Citranox bath solution more than once? How do we know that we need to change the solution?

A: For the highest level of cleanliness, you only use a solution once. In general, in a medical device manufacturing and cleaning operation, a detergent bath will typically easily last for 8 hours.

For example, you can make up a fresh Alconox® or Citranox® solution once a day and then verify that the pH has not changed more …

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Posted in Alconox, Citranox, Medical Device0 Comments

Cleaning Stressed Polycarbonate

Q. In the past you have recommended a specific detergent type detergent for our sensitive plastics (stressed polycarbonate), mentioning that it does not have a surfactant. Can you elaborate for us why?

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Posted in Biotechnology, Cosmetic, Detojet, Medical Device, Pharmaceutical0 Comments

Medical Device Cleaning: Martensitic Stainless Steel

Q: We use Alconox® on the medical device parts we manufacture that need cleaning before shipment. Alconox® detergent is working in an excellent way with austenitic stainless steel parts, but is not working that well with martensitic stainless steel. Actually, at the end of the process cleaning martensitic steel, we notice some marks on the material. Any recommendations?

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Posted in Alconox, Citranox, Medical Device0 Comments

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 Inc. is here to help. We provide validation service support

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Posted in Articles, Cosmetic, Medical Device, Pharmaceutical, Validation0 Comments

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…

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Posted in Alconox, Liquinox, Medical Device, Tergazyme0 Comments

Alconox Liquinox

Differences between Alconox and Liquinox

Q. Currently using Alconox, but are considering a switch to liquinox. We have seen less residuals with Liquinox, which is desireable. What are the recommendations and concerns with switching from Alconox to Liquinox? What are the difference in ingredients between the two?
A. Alconox and Liquinox are functionally equivalent cleaners, but are not chemically identical. Click to learn more and access the Liquinox and Alconox msds.

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Posted in Alconox, Ask Alconox, Laboratory, Liquinox, Manual Lab Cleaning, Medical Device, Pharmaceutical, Validation0 Comments

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…

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Posted in Ask Alconox, Medical Device, Metalworking & Precision Manufacturing0 Comments

Cleaning Adhesive Residues off Medical Devices

Q: We are looking for recommendations on how to remove adhesive residue left on medical devices after pulling off labels or tape. A. We are aware of many other customers using Detergent 8 to successfully remove different kinds of tough adhesive residues. We suggest using…

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Posted in Ask Alconox, Detergent 8, Medical Device0 Comments