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At least 37 records · Page 2Linked to original sources
PubMed2003

[Risk management from the perspective of the radiation protection officer. Consequences of new radiation protection laws in hospitals].

The implications of the new radiation protection law for hospitals. The novel German radiation control regulation ("Roentgenverordnung") came into effect on July 1, 2002. It contains a number of new rules the majority of which clearly take a more restrictive approach towards the application of ionising radiation. New dose thresholds have been set for control and monitoring areas and written working instructions are now required for all areas of radiology departments. The new regulations also require the indication for a radiological examination to be checked by a radiologist who has completed a formalised training in radiation protection. This particular aspect will have serious implications for every day practice. The necessity of having a trained radiologist on site for 24 hours a day will cause problems in many hospitals. The power of the responsible external independent control body ("ärztliche Stelle") has been increased as have the duties of medical physicists. The performance of x-ray examinations that are not medically indicated is punishable by law as bodily harm. This as well as many other regulations are currently being checked for applicability in terms of guidelines, the majority of which are not yet available.

Germany↗
PubMed1975

[The radiation protection shield--a useful radiation protective device for stomatological routine radiodiagnosis].

Starting from the shortcomings of the radioprotective devices at present used in routine stomatological radiodiagnosis, the authors describe the advantages of a radioprotective shield which has been produced in the Greifswald University Stomatological Clinic. On the basis of dosimetric studies, the State Board for Nuclear Safety and Radiological Protection of the GDR (Staatliches Amt fur Atomsicherheit und Strahlenschutz der DDR) could demonstrate the suitability of this shield as a radioprotective device for routine stomatological radiodiagnosis.

Humans↗
PubMed2002

Dose-effect modifying factors in radiation protection--a 1967 National Commission on Radiation Protection document revisited.

In 1967 Subcommittee M-4 of the National Commission on Radiation Protection proposed a system for evaluating, summing and reporting occupational exposures. It appears that some 30 years later these concepts could be implemented in a system of radiation protection based on Katz's cellular track structure model, which is able to quantify and predict the response of systems relevant to radiation protection, such as survival or oncogenic transformations in cell cultures, enzymes, bacteria or whole organisms. As a consequence of this approach, an m-power-law (with m ranging between 2 and 3.5) dependence of effect, or radiation risk, after doses of standard Co-60 radiation, would follow.

Effect Modifier, Epidemiologic↗
PubMed2003

Is radiation protection for the unborn child guaranteed by radiation protection for female workers?

ICRP Publication 88 recommends doses to the embryo and fetus from intakes of radionuclides by the mother for various intake scenarios. Mainly by answering the question 'Is radiation protection for the unborn child guaranteed by radiation protection for female workers?' it has been assessed if the intake scenarios given in ICRP Publication 88 are adequate for radiation protection purposes. This is generally the case, but the consideration of an additional chronic intake scenario for early pregnancy would be helpful. It is demonstrated that following chronic intake by inhalation, for most radionuclides radiation protection for (female) workers is also adequate for protection of the unborn child, considered as a member of the public. However, there are a number of radionuclides for which possible intakes in routine operations should be more restricted (up to 1% of the annual limits on intake for workers in the case of nickel isotopes) to ensure radiation protection for the unborn child.

Computer Simulation↗
PubMed1964

RADIATION PROTECTION IN CANADA. II. THE ROLE OF THE RADIATION PROTECTION DIVISION IN SAFEGUARDING THE HEALTH OF RADIATION WORKERS.

The current status of radiation protection in Canada is discussed in the second of a three-part series and particular emphasis is placed on the role of the Radiation Protection Division of the Department of National Health and Welfare. Administrative and operational control procedures have been developed, involving prior approval of health safeguards in the radioisotope user's facilities and techniques, and systematic monitoring and inspection. Where necessary, a medical follow-up of accidents and excessive radiation exposures is carried out. In 1963 more than 1600 radioisotope licences were issued. Filmmonitoring service was provided to about 15,500 isotope and x-ray workers. Semiautomatic handling procedures have been developed to meet the increasing demand for film-monitoring services.Monitoring and inspection services have been provided for x-ray workers, and a committee has been formed to develop administrative procedures for health and safety control in x-ray work. Committees have also been set up to review the health and safety aspects of the operation of nuclear reactors and particle accelerators.

Canada↗