**6. Conclusion**

**Medical Device Inspection Type Standard**

Negatoskop brigthness and levels of bright of viewing room

In Turkey, accreditation studies about biomedical calibration are performed in 3 different types. Calibration laboratories, testing laboratories and inspection bodies. Normally, al‐ though the scope of their applications seems like they are nested, they are separated from each other with little detail. Inspections of radiography devices and clean rooms are per‐ formed by inspection bodies. Other medical devices except for pipettes, thermometers, hu‐ midity meters that must be measured in laboratory conditions, are tested by testing laboratories and they are accredited in according to the standard of ISO IEC 17025. In cali‐ bration laboratories, it is essential to ensure appropriate environmental conditions for meas‐ urements. Because of this, measurements that require special measuring environment are

If the differences and details of accreditation studies about biomedical calibration measure‐ ments are known by the health organizations, to make the right choice in the selection of

calibration laboratory, testing laboratory or inspection body is inevitable.

**ULTRASOUND DEVICE**

96 Practical Concepts of Quality Control

**NEGATOSKOP and VIEWING ROOM**

performed in calibration laboratories.

**5. Discussion**

**Table 4.** The content of accreditation studies of inspection bodies.

CT number linearity IPEM Report No 32, IPEM Report No 91 Highcontrastresolution IPEM Report N:32 and 91, IEC 61223-2-6

Noise measurement NCRPM Report No 99, IPEM Report No 32 and 91 CT number uniformity IPEM Report N:32 and 91, IEC 61223-2-6

> IPEM Report 89, IPEM Report No 32, European Commission European Guidelines for Quality in Breast Cancer Screening and Diagnosis, ACR Mammography QC Manual

Image homogeneity AAPM Report of Task Group No 1 Image depth AAPM Report of Task Group No 1 Distance accuracy AAPM Report of Task Group No 1 Axial resolution AAPM Report of Task Group No 1 Lateral resolution AAPM Report of Task Group No 1 Dead zone AAPM Report of Task Group No 1 Cyst diameter AAPM Report of Task Group No 1

Low contrast resolution IPEM Report No 32

Quality service can be only taken from the accredited laboratories. As a matter of fact, the national and international procedures of accreditation say, "There is not an obligation. The accreditation depends on the base of voluntary." (TURKAK website).

Even if accreditation is not obligated, the expectation in medical calibration measurements is that the personnel must be professional, the calibration procedures and the test devices, cali‐ brators must be appropriate to the international standards.
