Researchers at the University of Surrey in the UK have printed a new medical device, the Sneeze Meter (Sneeze Speedometer). This is a spirometer that is sensitive enough to measure the speed of a sneeze. This 3D printed device can be used to diagnose respiratory conditions such as asthma.
The spirometer is used to measure vital capacity and diagnose respiratory conditions such as hypopnea, obstructive sleep apnea and asthma. However, there has never been a spirometer that is sensitive enough to diagnose a condition at the neonatal care stage. “We believe that this is the fastest and most accurate flow meter in the world.†David, a senior lecturer in aerospace engineering at the University of Surrey, UK, and a member of the Aerodynamics and Environmental Flow Research Group. Dr. Birch said, "This was developed specifically for doctors with respiratory diseases because it is fast enough to read the speed of a sneeze."
The 3D printing sneeze meter allows the doctors of respiratory diseases to applaud. The fist-sized device is fast and sensitive, and can detect small fluctuations in the expiratory flow rate—that is, symptoms of respiratory illness or disease. Currently, about one in 12 British residents are receiving asthma treatment, a figure similar to that of the United States. Effective diagnosis of the condition is critical to proper treatment, and the 3D printing sneeze speedometer will be an important part of it.
The medical profession should be thankful, because "the completion of this project is purely accidental," Burch explained. "As part of the graduate program, we are developing a highly sensitive flow meter. Some doctors happen to find it. They are Curious about its performance, so borrow from us and plan to try it. Now it seems that it can measure data that other devices can't measure, enough to diagnose diseases that were considered undiagnosable in the past."
The sneeze meter is made of 3D printing. This manufacturing technology enables researchers to build plastic parts that wrap electronic parts, helping to achieve compactness. “The device is produced using our 3D printer , with a layer thickness of 30 microns – very thin and stacked on top of each other,†says Birch. “In this way, we are able to build internal piping systems, all lines and channels, hidden in plastic. Inside the material. Compress the volume as much as possible."
“In recent years, air pollution has become the top 10 threat to human health. Data from the World Health Organization show that 7 million people die prematurely due to air pollution every year,†said researcher Kumar. “This low-cost portable device Helps diagnose respiratory diseases and treat them as soon as possible."
The R&D team is still further optimizing the 3D printed flowmeter to increase its effectiveness. Currently, medical experts are experimenting with sneezing speedometers throughout London. Dr. Birch said: "We are working closely with the physicians at King's College Hospital and other hospitals to understand their needs and work hard to develop products that meet the real needs of doctors." The product is expected to serve the medical industry in 2018.
Experts from multiple disciplines are working together to push the project into areas not previously envisioned, helping to optimize 3D printed sneeze meters from various technical aspects. “The uniqueness of the project is that aerodynamic experts work with physicians in various departments to try to integrate techniques in the medical and engineering fields to diagnose lung and lung diseases,†says Birch. “The entire team has measuring fluids. The rich expertise of flow rates such as gas and gas thermodynamics. This skill is very exciting for the diagnosis of disorders and diseases."
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