Its advantage over traditional bone cements is in the hardening process.

While conventional cements give off heat as they harden, killing surrounding cells, and making them unusable in some parts of the body, this polymer does not.

The material has the texture of toothpaste at room temperature, and when it rises to body temperature, this is enough to trigger the hardening reaction.

Professor Shakesheff said it was easy to inject into the right part of the body without a surgical incision, unlike bone grafts, which use bone taken from another part of the patient’s body, such as the hip, to plug a damaged gap.

“Not only does the patient need to be opened up, he or she is left with a damaged area – using this would avoid that.

“We believe we can just insert the needle, follow it to the right spot and inject the polymer, which will fill the desired area, and set as hard as the bone on either side.

“Because the material does not heat up, surrounding bone cells survive and can grow.”

Some limitations remain – even though the polymer is as hard as bone within minutes, the join between itself and old bone is weaker, and a leg fracture fixed this way would still need metal pins to stop it shearing apart when the patient tried to walk.

However, he said that the lack of heat as the substance set meant that it could potentially be used in other applications where a tough scaffold was needed to support the growth of new cells.

This could one day even stretch to other damaged areas such as the heart, he said.

http://news.bbc.co.uk/2/hi/health/7767406.stm

http://conceptships.blogspot.com/ – http://conceptships.org

Source: http://www.a-asterisk.com/hti-press-e.html

Research.

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R-r-r-research.