A tiny 3D print medical camera can be inserted with a syringe

A tiny 3D print medical camera can be inserted with a syringe
March 13 13:20 2018

Camera at the tip of the needle

Penetration of special medical devices inside the body is always associated with discomfort and 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 developed a complex system of microlenses of the same size as the crystalline salt.

To achieve the desired result, scientists required submicron accuracy. For this, 3D-printingtechnology was used , which allowed the printing of 2 or more lenses simultaneously. As it turned out, with the help of a multi-lens it became possible to correct the aberration (blurry image), getting a high-quality image from smaller devices.

Camera at the tip of the needle

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

Scientists used this technology to print components of an optical microscope with a diameter and length of 125 micrometers. The resulting product was attached to a piece of glass fiber with a length of 1.7 m and a width of 2 human hair.

Camera at the tip of the needle

The result of the researchers was a camera fixed to an endoscope, which is easily placed in the canal of a standard syringe needle, which allows it to be inserted into various organs, including the brain.

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