Sweden develops high-tech "hat" to detect stroke type in a few seconds

Release date: 2014-06-20

Swedish researchers have developed a high-tech "hat" that sends a microwave to the brain to detect whether a patient has suffered a stroke within a few seconds and to determine the cause of the stroke. The inventor said that if the emergency personnel use the device, it can save vital time, pull the patient back from the death line, or reduce the risk of long-term hemiplegia.

Stroke patients often suffer from muscle weakness, paralysis, movement disorders, and even half-length pain. Strokes caused by cerebral thrombosis are the most common, although drug interventions can alleviate the damage caused by such strokes, but treatment must be implemented within three to four hours, and delays are likely to do more harm than good. If the patient is suffering from a stroke caused by cerebral hemorrhage, a scan must be performed first, and direct administration is likely to have fatal consequences. Therefore, it is important for medical staff to quickly determine which type of stroke is the case.

According to the British "Daily Telegraph" reported on June 16, the high-tech helmet called "Strokefinder" was developed by Medfield Diagnostics. The helmet is lined with an antenna that emits a mobile phone-type microwave through the user's scalp to detect brain tissue. The system then interprets the signal to determine if the stroke is caused by a cerebral thrombosis or a cerebral hemorrhage.

The initial testing of the equipment was completed in collaboration with researchers from the Chalmers University of Technology in Sweden, the Health Sciences Institute of the University of Gothenburg and the University Hospital of Sargrenska. The results of the trials conducted on 45 patients showed that the diagnosis of the "stroke detector" reached "very positive".

"The results of this study show that if the instrument is diagnosed on an ambulance, more stroke patients will receive the best treatment," said Mike Persson, professor of biomedical engineering at Chalmers University of Technology. In the ambulance, it is possible to rule out the possibility of bleeding, which will be a major achievement, which is beneficial for the treatment of acute stroke, and its application potential in trauma care is equally exciting."

The research team plans to test the effectiveness of a mobile "stroke detector" helmet on an ambulance this fall. "Our goal is to diagnose and treat stroke patients on ambulances," said Mike Ilam, a professor of clinical neurophysiology at the University Hospital in Sagrenska. "Because time is a key factor in the treatment of stroke, using this device can Allowing patients to suffer less, which in turn can shorten hospitalization and recovery time."

According to Ilam, the microwave emitted by the device is 100 times weaker than the microwave radiation generated by the mobile phone, and the duration is only a few seconds, so it will not pose a threat to human health. They are planning a larger study, and the "Stroke Detector" helmet is expected to be approved for sale in Europe later this year.

Source: China Science and Technology Network

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