A tiny 3D-print medical chamber can be introduced with a syringe

The penetration of special medical devices inside the body is always associated with discomfort and the danger of rejection. Therefore, German scientists from the University of Stuttgart decided to find a way to make this process more comfortable, safe and painless. To do this, they have developed a complex micolins system with a salt crystal.

To achieve the desired result, scientists required submicron accuracy. For this, 3D printing technology was used, which allowed to print at the same time 2 or more lenses. As it turned out, with the help of a multi -object, it became possible to adjust aberration (vague image), receiving a high -quality image from smaller devices.

Chamber on the tip of the needle

As a tool for creating a lens, scientists decided to use a femtosecond laser with a pulse of 100 femtoseconds. With it, they “blew up” a photosensitive material located on a glass substrate.

Scientists have applied this technology to print the components of an optical microscope with a diameter and a length of 125 micrometers. They attached the resulting product to a fiberglass segment 1.7 m long and 2 human hair wide.

Chamber on the tip of the needle

The result of the researchers was the camera fixed on the endoscope, which is easily placed in the channel of the standard syringe needle, which allows you to introduce it into various organs, including the brain.

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