Intra-aortic balloon assist devices reduce the heart's workload and improve blood flow throughout the patient, but may not adequately provide circulatory support for patients with severely diseased or damaged hearts. Researcher H. Fred Downey at the University of North Texas Health Science Center in Fort Worth, Texas believes there is a way to enhance the device's effectiveness by adding an external pumping module. The external module works with the internal pump when conventional balloon pumps are unable to maintain adequate flow. The device was patented earlier this year.
Industrial workplaces are governed by OSHA rules, but this isn’t to say that rules are always followed. While injuries happen on production floors for a variety of reasons, of the top 10 OSHA rules that are most often ignored in industrial settings, two directly involve machine design: lockout/tagout procedures (LO/TO) and machine guarding.
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