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The intelligent knife's inventioner is a hungarian man: Dr. Takats Zoltan. Scientists have developed an "intelligent knife" that can tell surgeons immediately whether the tissue they are cutting is cancerous or not.

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"Intelligent knife"-the new hungarian invention

Pintér Dalma
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Scientists have developed an "intelligent knife" that can tell surgeons immediately whether the tissue they are cutting is cancerous or not.

The inventior of the iKnife is Dr. Takats Zoltan

 

 

 

 

 

In the first study to test the invention in the operating theatre, the “iKnife” diagnosed tissue samples from 91 patients with 100 per cent accuracy, instantly providing information that normally takes up to half an hour to reveal using laboratory tests. The inventor of the break-through knife and system is a Hungarian doctor - Dr. Zoltan Takats.

 

 

 

The findings, by researchers at Imperial College London, are published today in the journal Science Translational Medicine. The study was funded by the National Istitue for Health Research, Imperial Biomedical Research Centre, the Europe Research Council and the Hungarian National Office for Research and Technology.

 

 

In cancers involving solid tumours, removal of the cancer in surgery is generally the best hope for treatment. The surgeon normally takes out the tumour with a margin of healthy tissue. However, it is often impossible to tell by sight which tissue is cancerous. One in five breast cancer patients who have surgery require a second operation to fully remove the cancer. In cases of uncertainty, the removed tissue is sent to a lab for examination while the patient remains under general anaesthetic.

 

 

How the iKnife works?

The iKnife is based on electrosurgery, a technology invented in the 1920s that is commonly used today. Electrosurgical knives use an electrical current to rapidly heat tissue, cutting through it while minimising blood loss. In doing so, they vaporise the tissue, creating smoke that is normally sucked away by extraction systems.

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The technology was then transferred to the operating theatre to perform real-time analysis during surgery. In all 91 tests, the tissue type identified by the iKnife matched the post-operative diagnosis based on traditional methods.

 
 
 
 
 

The Hungarian inventior

 
 

The inventor of the iKnife, Dr Zoltan Takats of Imperial College London, realised that this smoke would be a rich source of biological information. To create the iKnife, he connected an electrosurgical knife to a mass spectrometer, an analytical instrument used to identify what chemicals are present in a sample.

Different types of cell produce thousands of metabolites in different concentrations, so the profile of chemicals in a biological sample can reveal information about the state of that tissue.

 

 

 

We belive it has the potencial to reduce tumour recurrence rates and anable more patient to survive.

                                                    -Dr. Takats Zoltan

 

 

About the iKnife

 

In the new study, the researchers first used the iKnife to analyse tissue samples collected from 302 surgery patients, recording the characteristics of thousands of cancerous and non-cancerous tissues, including brain, lung, breast, stomach, colon and liver tumours to create a reference library. The iKnife works by matching its readings during surgery to the reference library to determine what type of tissue is being cut, giving a result in less than three seconds.

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While the iKnife was being tested, surgeons were unable to see the results of its readings. The researchers hope to carry out a clinical trial to see whether giving surgeons access to the iKnife’s analysis can improve patients’ outcomes.

 

 

“These results provide compelling evidence that the iKnife can be applied in a wide range of cancer surgery procedures,”          

                                                     

 -Dr Takats said. 

 

“It provides a result almost instantly, allowing surgeons to carry out procedures with a level of accuracy that hasn’t been possible before. We believe it has the potential to reduce tumour recurrence rates and enable more patients to survive.”

 

 

Although the current study focussed on cancer diagnosis, Dr Takats says the iKnife can identify many other features, such as tissue with an inadequate blood supply, or types of bacteria present in the tissue. He has also carried out experiments using it to distinguish horsemeat from beef.

 

 

Forrás: http://www3.imperial.ac.uk/

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