Singapore Develops 3D Print Sensors Will Play a Key Role in Medical Research
China Instrument Network Instrument Research and Development Recently, a research team from Nanyang Technological University in Singapore developed a 3D printed ultrasonic sensor. It is mainly used to control high-pressure ultrasonic waves, which can control the movement and even eliminate tiny objects such as particles and droplets. , biological organizations and so on. In Xiao Bian's opinion, this invention will play a crucial role in clinical surgery and medical experimental research.
In the latest issue of Applied Physics Letters, the research team described in detail the application principle of the sensor. This sensor can control the laser-generated photoacoustic wave. It is a non-invasive sensor (or non-invasive sensor). Room-specific 3D printing technology can be produced. Many traditional sensors can only produce flat sound waves that are used to focus energy. This ultrasonic sensor can convert laser pulses into vibrational forms. A layer of glass covers the surface of the carbon nanotubes and acts as a lens. When the laser scans the surface, the glass layer rapidly expands, and the induced vibration is sufficient to produce high-frequency sound waves.
Claus-Dieter Ohl of Nanyang Technological University in Singapore said: “The most advanced technology is that it is non-invasive. We now have good control over photoacoustic waves. These sound waves can act as mechanical actuators. ."
Although traditional sensors are also very efficient, their glass lenses are limited to flat, cylindrical or spherical surfaces. The 3D-printed sensor is made of transparent resin, which can get rid of the shape of the confinement, it can be applied to a variety of different shapes of the surface, resulting in different acoustic forms. Therefore, sound waves can focus energy at different points in space at the same time, or at different time points. In this manner, the sensor device can apply shear stress to the drops, particulate matter, or biological tissue and perform operations such as sorting, isolation, control, and the like.
Three types of printers can be used to make this sensor: a Formlabs Form 1+ light-curing printer (as shown below), a Stratasys Objet Eden260VS jet printer, and an Ultimaker 2 FDM printer. The researchers used the first two printers with a laser wavelength of 532 nm, while the Ultimaker printer needed an additional molding step to obtain a transparent substrate.
(Original title: Gospel of Ophthalmic Patient: High Precision 3D Printed Ultrasonic Sensor)
In the latest issue of Applied Physics Letters, the research team described in detail the application principle of the sensor. This sensor can control the laser-generated photoacoustic wave. It is a non-invasive sensor (or non-invasive sensor). Room-specific 3D printing technology can be produced. Many traditional sensors can only produce flat sound waves that are used to focus energy. This ultrasonic sensor can convert laser pulses into vibrational forms. A layer of glass covers the surface of the carbon nanotubes and acts as a lens. When the laser scans the surface, the glass layer rapidly expands, and the induced vibration is sufficient to produce high-frequency sound waves.
Claus-Dieter Ohl of Nanyang Technological University in Singapore said: “The most advanced technology is that it is non-invasive. We now have good control over photoacoustic waves. These sound waves can act as mechanical actuators. ."
Although traditional sensors are also very efficient, their glass lenses are limited to flat, cylindrical or spherical surfaces. The 3D-printed sensor is made of transparent resin, which can get rid of the shape of the confinement, it can be applied to a variety of different shapes of the surface, resulting in different acoustic forms. Therefore, sound waves can focus energy at different points in space at the same time, or at different time points. In this manner, the sensor device can apply shear stress to the drops, particulate matter, or biological tissue and perform operations such as sorting, isolation, control, and the like.
Three types of printers can be used to make this sensor: a Formlabs Form 1+ light-curing printer (as shown below), a Stratasys Objet Eden260VS jet printer, and an Ultimaker 2 FDM printer. The researchers used the first two printers with a laser wavelength of 532 nm, while the Ultimaker printer needed an additional molding step to obtain a transparent substrate.
(Original title: Gospel of Ophthalmic Patient: High Precision 3D Printed Ultrasonic Sensor)
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