RESUMEN
We describe an original device developed by the biomedical technicians of the University Hospital of Nancy for checking tightness and measuring the capacity of medical gas pipeline network. A leak can be assessed either as a loss of pressure or as a loss of volume per unit of time (cmH2O.min-1 and mL.min-1 respectively). To assess the latter, the capacity of the explored pipeline must have been measured when it still was gas-tight. With the device, a leak can be assessed within a few minutes whereas the official procedure requires a delay between 1 and 24 hours. The device still has to undergo bench evaluation and validation.
Asunto(s)
Seguridad de Equipos/instrumentación , Gases , Diseño de Equipo , Falla de Equipo , Fenómenos Físicos , FísicaRESUMEN
Local commissions for the surveillance of medical gas supply systems were made compulsory in France in 1985. This article analyses the activity of the local commission of the University hospital of Nancy. Main anomalies which occurred in the pipeline network, especially tightness problems, are discussed. Difficulties concerning the planning and the course of the visits of the gas supply systems by the commission are analysed. Finally, the actual power and responsibility of the commission members are considered.
Asunto(s)
Accidentes de Trabajo/prevención & control , Seguridad de Equipos/normas , Gases , FranciaRESUMEN
Between 1-04-1980 and and 1-01-1982, 50 catheters have been inserted in children from 6 months to 16 years of age. The silicone right atrial catheter is implanted using surgical technique under local or general anesthesia in a cervical or brachial vein. The mean duration of catheter life was 6 weeks. Catheters have been inserted according to the exact nature of cancer, the intensity of the treatment and the preexistent malnutrition (acute Leukemia, malignant lymphoma, bone marrow transplant, ...). The mechanical complications and the infections risk were studied. These incidents must not contraindicate this technique because the setting up of a central venous line allows in a treated child: 1. To maintain a correct nutritional state. 2. To slow the functioning of the digestive tract. 3. To further the administration of the therapeutic and the hematologic supervision in good conditions of security and comfort.