Summary: A new kind
of surgical 'Intelligent' knife can tell tumor from healthy tissue and may assist
get better tumor taking away in the operating room.
iKnife, the tool analyses the vapour given off as
surgeons use electrical current to cut away tissue - and it reports in real
time whether the tissue is cancerous or not
Tests in 91 human patients have shown the "tool's
diagnoses were extremely accurate," and may be "reliable enough to
begin widespread use in operating rooms," said the study in the US journal
Science Translational Medicine
The iKnife uses mass spectrometry to examine the surgical
smoke given off by evaporating tissue, alerting the surgeon in three seconds as
to what it contains.
Other current techniques - which include sending removed
tissue to a pathology lab for analysis - are "costly...frequently
inadequate," and take about 20-30 minutes, said the researchers from
Hungary and Britain.
"Remarkably, there are almost no technologies in
routine clinical practice to assist the surgeon in improving the accuracy of
cancer tissue clearance," said the study.
Source:
iknife
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