Recently, Max OrTIz Catalan, a researcher at Chalmers University of Technology in Sweden, released a report on AR that can help alleviate the pain of amputated patients. The results show that AR virtual limb treatment has obvious effects of “phantom limb painâ€. .
Up to 80% of amputated patients are often plagued by a special problem, that is, they have already cut off the limbs that no longer exist, but they feel pain, called Phantom limb pain, because the limb itself is It is gone, but the sensory location corresponding to the nerve and the brain still exists, so this particular problem arises. Catalan wants to create virtual limbs through augmented reality (AR), helping patients reset their brains and relieve phantom limb pain.
Catalan uses the myoelectric sensors used in the Myo gesture-operated wristband to detect the muscle potential on the residual limb, thereby determining what action the patient wants to amputate and then on the screen. On the image of the patient's body, augmented reality synthesizes a virtual limb, the virtual limb will make the action the patient wants to do, and the patient looks at the screen as if looking at the mirror, but the limb in the mirror has the limb that has been cut off. It can also behave as you like, so it is more realistic than just looking at the contralateral limbs in the mirror.
Catalan was tested on 14 of the most severely refractory patients with chronic phantom limb pain. These patients experienced an average of 10 years of chronic phantom pain. Four of them had medications and others did not receive any other treatment. Because all previous treatments were ineffective, the treatment lasted for 6 weeks and more than 12 times. The initial results were very encouraging. In the last treatment, the patient's return pain was reduced by 50%, and the frequency of pain episodes in daily life was also reduced by half. Two of the four patients who took the drug were given a reduced dose, with a reduction of 33% and a reduction of 81%.
The research team will expand the clinical trials, involving a total of more than 30 patients from different countries, this time will include leg amputation patients, and the control group, the control group is treated with general electrical stimulation therapy, Katalan also said this time Clinical trials will provide more treatments to see if it can make the phantom limb pain completely disappear.
If all goes well, it will be a great gospel for amputated patients, and it will become an important application for augmented reality to enter the medical field.
Power Inverter
Power Inverters: Bridging the Gap Between DC and AC
Power inverters are essential components in various applications, converting direct current (DC) from sources like batteries or solar panels into alternating current (AC) that can be used to power household appliances and devices. They play a crucial role in enabling off-grid power systems, energy storage solutions, and grid-tied solar installations.
Key Features and Benefits:
Power Conversion: A power inverter efficiently transforms DC power into AC power, ensuring reliable and consistent output.
Efficiency: Modern inverters boast high efficiency ratings, minimizing energy loss during the conversion process.
Pure Sine Wave Output: Most inverters produce a pure sine wave output, ensuring compatibility with a wide range of electronic devices.
Versatility: Inverters are available in various sizes and capacities to suit different power requirements, from small portable units to large-scale systems.
Safety Features: Many inverters incorporate safety features such as overload protection, short-circuit protection, and temperature monitoring to ensure safe operation.
Types of Power Inverters:
Off-Grid Inverters: These power inverters are used in systems that are not connected to the grid. They convert DC power from batteries or solar panels into AC power for powering appliances and devices.
Grid-Tie Inverters: These inverters are commonly used in systems that are connected to the grid. They convert excess solar power into AC power and feed it back into the grid for credits.
Energy Storage Inverters: These inverters are designed to work with energy storage systems such as a power wall battery, providing backup power during grid outages and optimizing energy use.
Battery Backup Inverters: These inverters provide backup power during grid outages by switching to battery power and continuing to supply AC power to critical loads.
Choosing the Right Power Inverter:
When selecting a power inverter, consider the following factors:
Power Requirements: Determine the total power of the devices you intend to operate.
Waveform: Ensure the inverter produces a pure sine wave output for compatibility with most devices.
Efficiency: A higher efficiency rating can result in lower energy consumption.
Safety Features: Look for inverters with built-in safety features to protect your equipment and ensure safe operation.
Additional Features: Consider features like remote monitoring, automatic transfer switches, and compatibility with specific battery types, such as a power wall home battery.
Power inverters are indispensable for powering various applications, from off-grid homes to grid-tied solar systems. By understanding the different types of inverters and their key features, you can select the right inverter to meet your specific needs and ensure reliable and efficient power supply.
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