Rubber Gloves: “Born” – and Now Banished – At Johns Hopkins – 01/14/2008

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old laytex glove

William Stewart Halsted, The Johns Hopkins Hospital’s first surgeon in chief, is widely credited as the first to develop and introduce rubber surgical gloves in the United States. That was in 1894, five years after the institution opened.

Now, in an effort to make medical care safer for patients and health care workers, The Johns Hopkins Hospital has become the first major medical institution to become “latex safe” by ending all use of latex gloves and almost all medical latex products.

How smooth is smooth enough? Surface finish standards for body jewelry

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A superficial proposition:

Professionals and clients have a right to know the roughness of the surface finish of body jewelry from each manufacturer they choose to do business with. Roughness can be measured as Ra to the microinch (µin) or Metric: micrometer (µ) or nanometer (nm). (The final smooth finish for many polished surgical implants is specified at 0.025µm to 0.05µm (1µin to 2µin)). This would alleviate confusion and allow a more frank discussion of the merits of different processes to arrive at a desired finish.

Smoother is better in our case, but how smooth is smooth enough?

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