Latest Medical Breakthroughs

By tony leather, 20th May 2012 | Follow this author | RSS Feed | Short URL http://nut.bz/1cjkfxvn/
Posted in Wikinut>News>Health

This technique mimics the way in bacteria in humans is disposed of by mother nature. Antibodies attacking germs produce both ozone and hydrogen peroxide, a highly reactive compound that kills off mould bacteria and viruses

Latest Medical Breakthroughs

Micro Two

A Queen's University infectious disease expert has helped develop a disinfection system set to revolutionize the way in which sterilizing procedures are carried out in hospitals world-wide.

Apparently, more than 100,000 North American people die annually from hospital-acquired infections, costing $30 billion or more, these victims all dying from infections which are largely preventable.

This new method entails the pumping of a vaporized mixture of ozone and hydrogen peroxide into a room, completely sterilizing it in the process, as everything is left disinfected, floors, walls and drapes, mattresses, chairs and other surfaces all completely covered.

This technique mimics the way in bacteria in humans is disposed of by mother nature. Antibodies attacking germs produce both ozone and hydrogen peroxide, a highly reactive compound that kills off mould bacteria and viruses.

Much more effective than the simple wiping down of a hospital room, this technology can also be used to sterilize instruments, smells very pleasant and can be done very quickly indeed.

The gas comound even kills bed bugs, and lends itself to the disinfection of food preparation areas, processing plants and on cruise ships, which are notoriously difficult to clean properly. The company Medizone has first deliveries scheduled for early 2012, delivering the new technology to eager customers.

Medical B

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Amazingly, in other medical news, a 3D printer is now being used to create bone-like material to be used, researchers claim, to repair injuries, the material added to damaged natural bone, acting as a scaffold on which new cells are able to grow and develop.

Ultimately, this incredible substance dissolves, leaving only new bone behind, with no ill-effects, apparently, researchers claiming that doctors should be able to custom-order replacement bone tissue, created using this process, within a few years.
Washington State University was where Professor Susmita Bose, having helped carry out the work, claimed that it is possible that, utilizing the bone-like ceramic powder as feed material, it should be possible to create whatever computer image you can come up with.

Four years were spent in developing the bone-like substance, the team made a breakthrough with the discovery of a way to double calcium phosphate strength - the main ceramic powder by adding silica and zinc oxide.

Creating scaffold shapes was achieved by customising a printer originally designed for making 3D metal objects, spraying a plastic binder over loose powder, layers a mere half the thickness of a human hair in width, repeated layer by layer until complete.
At that point the scaffold gets dried, cleaned before being baked for two hours at 1250C. Immature foetal bone cell laboratory tests demonstrated that new bone cells started growing over the scaffold within a week, also getting promising results from live rabbits and rat tests.

Within twenty years both physicians and surgeons should be in a position to use such bone scaffolds, the process costing only about 10% of the cost of traditional techniques, for repairing bone injuries much more quickly than is the case.

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Meet the author

tony leather
mainly non-fiction articles, though I do write short stories, poetry and descriptive prose as well. Have been writing for over ten years now