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PubMed · 11383309

When HIPAA finally comes, will clinical engineering be ready?

Abstract

We live in interesting times. Recognize that HIPAA will impact nearly everyone in every health care organization and fundamentally change the health care industry. Implementation of HIPAA standards as well as ongoing developments in telemedicine, e-health and the Internet will continue to have a synergistic effect and further transform our industry. Biomedical technology will evolve and combine into ever-larger integrated networks. These networks will extend not only throughout the hospitals but also into the clinics, doctors' offices, and even patients' homes and workplaces. As clinical engineers, we need to stay ahead of the curve, anticipate and be prepared for these developments. We need to understand HIPAA and the implications it has for the technology we manage. We must ensure that the organizations we represent are prepared for what will undoubtedly be an exciting future.

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BibTeXRIS

S L Grimes. When HIPAA finally comes, will clinical engineering be ready?. https://pubmed.ncbi.nlm.nih.gov/11383309/

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Optimal design of non-Newtonian, micro-scale viscous pumps for biomedical devices.

The present paper addresses the numerical optimization of geometrical parameters of non-Newtonian micro-scale viscous pumps for biomedical devices. The objective is to maximize the mass flow rate per unit of shaft power consumed by the rotor when an external pressure load is applied along the channel that houses the rotor. Two geometric parameters are considered in the optimization process: (i) the height of the channel that houses the rotor (H) and (ii), the eccentricity (epsilon) of the rotor. Three different micro-scale viscous pump configurations were tested: a straight-housed pump (I-shaped housing) and two curved housed pumps (L- and U-shaped housings). The stress-strain constitutive law is modeled by a power-law relation. The results show that the geometric optimization of micro-scale viscous pumps is critical since the mass flow rate propelled by the rotor is highly dependent on epsilon and H. Numerical simulations indicate that mass flow rate is maximized when epsilon approximately 0, namely when the rotor is placed at a distance of 0.05 radii from the lower wall. The results also show that micro-scale viscous pumps with curved housing provide higher mass flow rate per unit of shaft power consumed when compared with straight-housed pumps. The results are presented in terms optimized dimensions of all three configurations (i.e., H(opt) and epsilon(opt)) and for values of the power-law index varying between 0.5 (shear thinning fluids) and 1.5 (shear-thickening fluids).

Biomedical Engineering↗