GB16362-2010

The requirements for quality assurance and radiological protection for patients in teletherapy

远距治疗患者放射防护与质量保证要求

GB 16362-2010 est une norme nationale chinoise obligatoire en vigueur : The requirements for quality assurance and radiological protection for patients in teletherapy. Secteur : Alimentation. Thème principal : Sécurité des produits. Entrée en vigueur : 1 mai 2011.

L’applicabilité dépend du périmètre du produit, de la voie de certification, des avis des autorités et des règles de transition. Demandez une traduction ou vérifiez la source avant d’utiliser cette fiche pour une décision de conformité.

Aperçu de conformité

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Champ d’application

This standard applies to the practices of teletherapy using medical electron accelerators, medical gamma-ray devices, and X/gamma-ray stereotactic radiosurgery (commonly known as X-knife and gamma-knife). It explicitly excludes practices using deep X-ray therapy machines. It is mandatory for all medical institutions and manufacturers involved in external beam radiation therapy in China.

Exigences techniques

The standard specifies fundamental principles for patient radiological protection and quality assurance (QA) in teletherapy. It mandates that radiation therapy units establish a dedicated radiological protection and quality control management organization. Facilities must implement strict justification protocols, ensuring treatment is only prescribed when benefits outweigh risks. Treatment plans must be jointly signed by qualified radiation oncologists and medical physicists, with special precautions required for pregnant women and children. For patient protection, the standard requires detailed treatment planning including target dose distribution and fractionation. It mandates the calculation of absorbed doses to critical organs outside the target volume, utilizing organ shielding and appropriate techniques to keep normal tissue exposure as low as reasonably achievable (ALARA). Furthermore, interlock systems and anti-pinch protection measures for shielding doors must be fully operational. Regarding quality assurance, the standard outlines requirements for the validation and use of treatment planning systems (TPS), which must be licensed by national medical device authorities. It also dictates that clinical treatment data must be collected by qualified medical physicists and periodically reviewed. Radiotherapy devices must undergo rigorous acceptance, status, and stability testing to ensure continuous operational safety.

Méthodes d’essai

The standard outlines three primary categories of quality control testing for radiotherapy equipment: acceptance testing (after new installation or major repairs), status testing (conducted annually by qualified institutions), and stability testing (routine checks compared against baseline values). Testing procedures must align with referenced standards such as GB/T 17856 and GB/T 19046. Additionally, facilities are encouraged to participate in domestic or international TLD (Thermoluminescent Dosimeter) dose comparison programs to verify dosimetric accuracy.

Questions fréquentes

What equipment and practices are regulated under GB 16362-2010?

The standard applies to medical electron accelerators, medical gamma ray devices used in external beam therapy, and X-ray/gamma-ray stereotactic radiosurgery (X-knife, gamma knife). It does not apply to deep X-ray therapy machines.

Are there any significant updates from the previous version, GB 16362-1996?

The updated version shifts terminology to "radiation therapy units," integrates requirements from the *Regulations for Radiological Diagnosis and Treatment Management*, and adds specific quality control requirements for radiotherapy simulators and treatment planning systems.

How does GB 16362-2010 relate to international standards?

It aligns with fundamental international radiation safety principles but specifically mandates Chinese national standards (such as GBZ 179 and GB 18871) for operational protocols, personnel qualifications, and domestic quality assurance testing procedures.

The summary above provides a high-level overview of GB 16362-2010. To ensure complete compliance for your medical devices and treatment protocols entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 16362-2010 today to access all detailed parameters, acceptance testing formats, and quality control procedures.

Indications d’applicabilité

Type: Santé et hygiène
CCS: C57
ICS: 13.280
Autorité compétente: National Health Commission
Comité technique: National Health Commission

Relations

Remplace:GB 16362-1996