Areas of application

Surgical instruments (OP)

Surgical instruments should be stored for as short a time as possible before machine processing.

The OXIVARIO or ORTHOVARIO processes should be used for instruments where there is a long delay between the time they are used and the time they can be reprocessed. See "Special processes" at the end of this booklet.

Disinfection of surgical instruments and of those used for minimally invasive surgery should preferably take place thermally.

Fully demineralised water should be used for the final rinse when possible to ensure no marks are left on the load and to avoid corrosion. If the water used contains more than 100 mg chloride/litre there is danger of corrosion.

OP-containerscan be disinfected thermally in the CONTAINER programme, or chemically. If anodised aluminium containers are used the final rinse must be carried out with fully demineralised water. These containers must not be processed with an alkaline cleaning agent in a 93 °C programme with 10 minutes holding time (according to § 18 IfSG).

Mobile units for surgical instruments and containers are supplied with their own operating instructions.

When cleaning narrow lumen instruments e.g. those used for minimally invasive surgery, an intensive internal cleaning result is imperative. The Vario-TDand OXIVARIO programmes are the only ones which offer a thorough enough level of cleaning for this. It is essential that instruments are loaded as directed and that the cleaning agent used is suitable for the programme and for the sensitive instruments being processed. The final rinse must be carried out using fully demineralised water with a conductivity level of ~15 ￿S/cm (microsiemens per centimeter).

Instruments with very narrow lumen must be manually pre-rinsed where necessary. Follow the instrument manufacturer's instructions on how to handle them.

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Miele G 7823, G 7824 operating instructions Surgical instruments OP