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Título: SYSTEM FOR METROLOGICAL EVALUATION OF AUTOCLAVES
Autor: MARCELO LUCIO LESSA
Instituição: PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO - PUC-RIO
Colaborador(es):  ELISABETH COSTA MONTEIRO - ADVISOR
CARLOS ROBERTO HALL BARBOSA - CO-ADVISOR

Nº do Conteudo: 35477
Catalogação:  31/10/2018 Idioma(s):  PORTUGUESE - BRAZIL
Tipo:  TEXT Subtipo:  THESIS
Natureza:  SCHOLARLY PUBLICATION
Nota:  Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
Referência [pt]:  https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=35477@1
Referência [en]:  https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=35477@2
Referência DOI:  https://doi.org/10.17771/PUCRio.acad.35477

Resumo:
The present work aims at developing a system for metrological evaluation of autoclaves in accordance with the standards, having a low cost and being accessible to all the healthcare system, aiming at the validation of the process of sterilization and the improvement of the control of hospital infection. By means of a mathematical approach, the system has to be capable to validate the sterilization process, thus guaranteeing the level of sterility necessary and reducing the technological and financial barriers that today hinder the guarantee of the quality of the sterilization of materials, in public and private health system. Although organizations as the International Organization of Legal Metrology (OIML) recommend the follow-up of the quality of the measurements carried through Medical Electrical Equipment (MEE) in the after-sales phase, the majority of the countries, including Brazil, even though already having incorporated some recommendations published by OIML, have concentrated its requirements on the phase of manufacture and register of the product. The initiatives of calibration and essays of MEE depend on the metrological culture of the interested parties or in the search of some type of accreditation process, for which the metrological control of the equipment is a requirement. Ally to the lack of metrological culture comes across itself with the existence of few institutions enabled to the accomplishment of this task and with the lack of available resources. In the case of the autoclaves, in Brazil, there was only one laboratory accredited in last January. A system destined to the metrological Evaluation of autoclaves was developed. This system is composed by hardware (sensors, system of acquisition and computer) and software, developed in LabView. In this system the sensors are arranged inside of the sterilization chamber, collecting the temperature throughout the sterilization cycle. With the collected temperatures, as much in the studies of distribution of temperature as in the studies of penetration of heat, it is possible to calculate the taxes of lethality of the process and to present the statistical data, that will confirm or not the effectiveness of the process. After the tests aiming at evidencing the correct operation of the system, it has been carried out the test in an equipment used in a public hospital of Rio de Janeiro. The tests consisted of 4 (four) studies, 2 (two) of distribution of temperature and 2 (two) of penetration of heat. Some limitations due to the necessity of development of some accessories have been found, for example, a flange for the use of the system in sterilizers with access to the chamber through lateral orifices, and the necessity of the construction of a articulated scaffolding for the perfect placement of the sensors in the interior of the chamber. The system developed in the present work contributes for the dissemination of the accomplishment of the validation of the process of sterilization for saturated vapor, basic evaluation for the control of the hospital infection.

Descrição Arquivo
COVER, ACKNOWLEDGEMENTS, RESUMO, ABSTRACT, SUMMARY AND LISTS  PDF
CHAPTER 1  PDF
CHAPTER 2  PDF
CHAPTER 3  PDF
CHAPTER 4  PDF
CHAPTER 5  PDF
CHAPTER 6  PDF
REFERENCES  PDF
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