In order to provide sterile medical device and Exempt from the patient's infection from each other, medical devices must be disinfected strictly. However, the disinfection may affect by many aspects. Therefore, people should understand all kinds of disinfection methods and their advantages and disadvantages because the disinfection process of medical device is very efficient and it is cheap.

Medical devices must be cleaned completely so that the blood, grume, body fluid and other organics can be wiped off. Moreover, it is important for preventing and controlling infection and security of medical treatment. If medical devices can not be cleaned completely, the organics on the machines may form a maskant on the surface of microorganic, which may interfere the disinfection. It is reported that every year, there are 1500 examples that is infected by improper disinfection of endoscopy. This infection is caused by Pseudomonas aeruginosa, tuberculosis mycobacterium and hepatitis b virus. Therefore, how to clean the Organics, inorganics and microorganisms on the medical completely by physical and chemical methods plays an important role in sterilization and contorlling inspection successfully. There are many scholars improving the clean methods in recent years and they really make a progress. It is sum up as follows:

1. Pretreatment before treatment: Pretreatment before treatment, including moisturizing treatment, cleanness inspection, Instrument classification and special pollution instrument disinfection, is necessary no matter it is cleaned by hands or machines.

2. Application of Soak and enzyme agent: use the same cleaning method, testing the washing quality of instrument which is separately cleaned and washed again after 2 hours. After washing, it's occult blood positive rate is 5% and 40%, which means it is a crucial matter of reducing the cleaning difficulties and quality for instruments to be cleaned timely.

3. Manual cleaning machines: Fine, precise, sharp instruments, machines that can not be soaked in water(eg:electrotome), machines that doesn't have high temperature(93℃) resistance, machines with serious pollution rust, residual blood and secretion, instruments that cannot be cleaned by machine.

4. Machine cleaning methods: machine cleaning can be decided into automatic, semi-automatic, ultrasonic cleaning machine, changlong type and other forms. Some cleaning machines have heating system and drying system. So far, some national hospitals use machine cleaning. Using multienzyme liquid to soak the machines before cleaning surgical equipments by automatic spray washing and disinfecting machine can improve the cleaning quality of the surface of machines, cardo and occlusal plane.

5. Rust removal and lubricating maintenance: machines with organic pollutant can not be cleaned properly may produce rusk.

Osmunda can provide fully solutions of medical devices from product design, clinical trail, product testing, clean workshop design construction to enterprises registration (Production license/product registration certificate/business licenses), International registration of product (European Union, The United States, Canada, Japan, Australia, China and other places) . So far, we've helped over 1000 national and international enterprises to get different kinds of professional certification. Osmunda has signed up with many famous national and international medical device groups for longterm agreement of outsourcing audits and consulting service.