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Hygienetechnik - Prüfung von aktiven Medizinprodukten

EN ISO 15883

Type test / Process validation

All tests according to EN ISO 15883 series
Validation of your treatment processes
Type testing of treatment equipment

Active Medical Devices

Medical devices are initially divided into active (operation directly dependent on an energy source, e.g. electricity) and non-active medical devices. Active medical products or other medical devices can be used to manufacture or reprocess medical products themselves or for use in diagnostics or therapy on humans.

The experts of HygCen Germany support you in securing the reprocessing of medical devices, among other things, from:

  • Type tests of devices

  • Validations and re-validations of the processes in washer-disinfectors, sterilizers and other processes

  • Automatic bedpan washers

  • Washing machines (modern textile processing)

  • Drying cabinets for endoscopes

  • Quantification of cleaning and disinfection efficacy

The safety of the overall processes can only be guaranteed under the precondition of the safety of the sub-processes (“from patient to patient”).

The essential process steps of cleaning and disinfection must therefore be characterized qualitatively and quantitatively and analyzed with all other steps of the entire reprocessing process in their mutual dependency.

DeviceValidation of the processes according to the standardType testing of the device according to the standard
Washer-disinfectorEN ISO 15883-2, -3, -4, -6, -7EN ISO 15883-1, -2 and others of the series of standards
Drying cabinets for endoscopesEN 16442EN 16442
Sealing machinesEN ISO 11607-2EN ISO 11607-2
Small sterilizersEN ISO 17665-1EN 13060
Steam sterilizersEN ISO 17665-1EN ISO 285
EO sterilizersEN ISO 11135EN ISO 11135 / EN 1422
Formaldehyde sterilizersEN 14180EN ISO 25424
H2O2-/plasma sterilizersEN ISO 14937EN ISO 14937

As a patient, you have the right to ensure that there is no risk of infection or colonization with pathogens when using a medical device even after reprocessing.

This requirement applies to the first as well as to the 100th reprocessing cycle of medical devices, for example.

The increasing centralization of the reprocessing of medical products in the last few decades has increased the overall process reliability for the patient. Nevertheless, if reprocessing processes are not demonstrably carried out safely, there is also the risk of endangering not only individual patients but also a large number of patients.

Legal requirements in Germany

In Europe, the handling of medical devices is regulated in the national medical device laws (MPG) and on the basis of the European Medical Device Regulation (MDR). The Medical Device Operator Ordinance (MPBetreibV) was also created in Germany on the basis of the MPG. In Section 4, Paragraph 1, this clearly stipulates that medical devices can only be reprocessed using suitable, validated procedures.

What are suitable validated preparation processes?

Validation is a documented procedure for producing, recording and interpreting the results that are required to prove that a certain procedure or a certain process consistently (reproducibly) delivers products that correspond to the specified specifications (specific product standards).

A validation is therefore the documented proof of the constant efficacy of a reprocessing process. Each reprocessing should therefore only be carried out using validated processes.

When commissioning a device for reprocessing medical products, the operator must initiate the initial validation of the reprocessing processes. This consists of:

  1. IQ (Installation qualification with the manufacturer)
  2. OQ (Operational qualification with the manufacturer)
  3. PQ (Performance qualification by an independent accredited test laboratory)

In general, the stability of the process must be guaranteed in terms of process technology. I.e. A validated process only exists as long as there are no changes that could influence the process flow (e.g. process changes, technical defects, change in chemical agents, etc.).

In some states, the authorities set the “revalidation interval” or the period up to renewed performance qualification (PQ) at a maximum of one year.

We offer you the validation of all technical reprocessing processes in cleaning / disinfection devices, heat sealing devices and sterilization devices (steam, plasma / H2O2, low temperature steam and formaldehyde (LTSF) and ethylene oxide (EO) processes).

In addition, the other sub-steps of the medical device cycle, from use on the patient to reuse, can also be checked (pre-cleaning, packaging, transport / logistics, storage, disposal).

Not every design guarantees permanent process stability in a comprehensible way, especially with process risks that occur in everyday life.

In Europe, the term “type test” was coined. Such tests provide evidence that a device meets the requirements of the relevant product standards and is therefore suitable for the intended area of application. Therefore, only type-tested devices should be considered for new acquisitions and tenders; so e.g. In the case of cleaning / disinfection devices for endoscopes, only type-tested devices according to EN ISO 15883, the processes of which must then be validated according to the same EN ISO series of standards. In contrast to validation, a device or a machine is tested for general suitability during a type test, while during a validation of the individual specific processes, their safety is checked.

Both the validation of the processes and the type testing of the devices should be carried out by accredited laboratories.

Accredited test laboratories are manufacturer-independent and are regularly checked for their qualifications by state accreditation bodies (ZLG and DAkkS). This guarantees the user / operator and the patient the highest level of safety.

Using type-tested devices with validated processes by manufacturer-independent, accredited test laboratories and taking into account the entire medical device cycle, medical devices can be reprocessed in a responsible manner in accordance with the state of the art in terms of patient care.

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