Release date: 2015-09-02
Reuben Hill, 22, is a Ph.D. student with a tumor in his brain. He successfully underwent a special brain tumor resection: two new techniques—laser detection and smart knives—are used. As a successful case of applying laboratory results to the operating room, this pioneering surgery is a major reform of precision surgery.
Brain tumors threaten life more than any other type of tumor because it is rare and often occurs in younger groups. Brain treatment is preferred for its treatment to achieve the purpose of tumor removal.
Brain tumor resection is very difficult because the nerve tissue is intertwined and the tumor tissue is connected with these precise structures. Sometimes the surgeon can see the tissue structure through the microscope. At the same time, the removal of cancerous tissue is at great risk because the scalpel must strictly ensure that the tumor tissue is removed without destroying the surrounding normal brain tissue. Once cut into healthy tissue, it can cause serious side effects such as loss of speech, hearing and other functions.
In addition, the current medical level requires the surgeon to send the resected tissue to the laboratory for biopsy to detect if it is a lesion. This process takes 30 minutes each time.
The new laser probes and smart knives greatly reduce the risk of these surgeries and provide the surgeon with immediate information on whether the tissue is cancerous. Laser detection is used to distinguish between cancerous and healthy tissue, and the laser can provide surgeons with a map of the tumor to achieve precise levels of resection.
The smart knife, also known as iKnife, can determine whether the cut tissue is cancerous in a matter of seconds and does not require a biopsy. It consists of an electronic scalpel. This electronic scalpel can burn the cut tissue and analyze the tissue lesions by smoke.
Laser probe + smart knife, greatly improve the accuracy of brain tumor removal
Laser probes that use Raman spectroscopy molecules to reflect light back from tissue for tissue differentiation, developed by Verisante Technology, Vancouver, Canada. Vaqas said this is the first successful case of applying Raman spectroscopy to human brain surgery.
iKnife was proposed by Professor Zoltan Takats of Imperial College London. Electrosurgical smoke can be used as an important resource for biological information, and the chemical composition of smoke is analyzed by mass spectrometry.
Hill said that when he learned his condition, he was hit hard. But when he had the opportunity to undergo this pioneering surgery, he did not hesitate to sign. Thanks to the learning of physics, he was able to understand "how the laser probe accurately locates the cancerous tissue."
Babar Vaqas, the surgeon and neurosurgeon of the operation, said: "Brain surgery greatly enhances the accuracy and safety of tumor removal through these two innovative technologies. This means that patients will reduce the risk of suffering from surgical side effects."
Source: Bio-Exploration
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