Passivation and Medical Device Cleaning

Ultra Pass® passivation – Is to produce high surface chromium levels creating the best corrosion resistant passive surface. In physical chemistry and engineering, passivation is the material getting passive without being affected by environmental factors such as air or water. It is a technique that uses a light coat of material like metal oxide for creating a shell against corrosion. It helps to strengthen and preserve the appearance of metallic’s. Passivation is such a procedure that occurs in certain conditions and used in microelectronics for enhancing silicon. The procedure is done on materials like silicon, aluminum, stainless steel and nickel to make them more passive and resistant to corrosion.PASSIVATION.COM

Passivation is usually done by creating a surface film that causes the surface to lose its chemical reactivity. This causes the metal to corrode at much lower rate than its usual rate. In case of stainless steel, passivation occurs when free iron, oxide scale, rust, iron particles, metal chips and other non-volatile deposits start affecting the stability of the surface, the operation of a part, component or system contaminating the process fluid.

In the passivation of silicon, aluminum, stainless steel and nickel, the materials may spontaneously form a chemically inactive surface when exposed to air or other environments containing oxygen. Most often, passivation removes iron compounds from the surface of the material using a chemical dissolution that may contain citric acid solution.

The field of medical science uses various medical devices that are crucial to diagnose, monitor or treat different conditions. The devices follow rigorous safety standards and ensure the safety of the patients. Usually, the medical devices used may be categorized as

· Diagnostic. These are used to identify the disease and include ultrasound, MRI, X-ray, PET and CT scanners.

· Therapeutic. These help the patients during and after the surgery and include lasers, infusion pump and LASIK devices.

· Life support. These help a patient to maintain their body functions and include cardiovascular devices, ventilators, dialysis devices, ECMO and anesthetics.

· Monitors. These include EEG, ECG, etc. that help the surgeons to evaluate the state of the patient by keeping account of their blood pressure and pulses.

· Medical laboratory. These devices are used to analyze urine, blood and genes.

It is important to carry out medical device cleaning so that the devices provide long-term service and do not spread infection. Devices that are to be reused should be disinfected by cleaning them with a disinfectant solution. This helps to remove the smallest of the contaminant quantities. In case, of larger medical devices, one may take the services of service centers who specialize in such procedures.

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