TOMSK, Oct
20 – RIA Tomsk. Tomsk scientists developed the coronary stents that can destroy atherosclerotic plaques in the arteries, the deputy director on innovative activity and strategic development of scientific research institute of cardiology Shamil Akhmedov reported RIA Tomsk.
He
explained that itself coronary stent is applied long ago. Only in the Tomsk
scientific research institute of cardiology 1-1,5 thousand such devices are
annually installed. Stent it is entered into an artery where there is an
atherosclerotic plaque. These deposits of cholesterol are dangerous that over
time blood clot which can come off and cork an artery is formed of them, that
will lead to a heart attack or a stroke .
"We
made new generation of coronary stents. Our colleagues from the Tomsk Polytechnic University carried out a lot of work and could create nanomaterial.
Stents, it represents the spring which is holding apart walls of vessels,
becomes covered with biodegradable polymer with inclusion of this
nanomaterial", – Akhmedov told.
© РИА Томск. Олег Асратян
He has
explained that usual stents just hold apart an artery, without allowing plaques
to narrow a vessel too strongly. But at the same time the device disturbs a
blood stream too, and moreover – over time itself can "overgrown".
The main difference of the Tomsk stent is that it not only holds apart an
artery, but also can destroy deposits of cholesterol thanks to a covering from
special nanomaterial.
"Nanomaterial
on chemical structure is close to a plaque, adjoining to a plaque, it takes
root into it. The plaque is big "plant", in it blood flows, it grows.
And our nanomaterial, getting, breaks off a vital chain, it stops growing. In
an experiment we see that it works – even if just to add nanomaterial to blood,
then cholesterol level decreases", – the scientist noted.
According
to him, preclinical tests of stent on animals have to become the following
stage. On it, by estimates of scientists, about 120 million rubles are
necessary. Now they look for financing, and also study option on cooperation
with the Indian science and technology park.