The image depicts a close-up view of a medical device, specifically a dialysis machine. The machine is transparent and features several components, including:

1. **Filter Elements**: There are several circular elements labeled from 16 to 20, which likely represent different stages or compartments within the dialysis process.
2. **Control Panels**: There are several buttons and switches on the machine, which are used for adjusting settings and monitoring the dialysis process.
3. **Cables and Connectors**: Various cables and connectors are visible, suggesting that the machine is connected to other equipment or systems.

The image focuses on the internal workings of the dialysis machine, highlighting its components and controls, which are essential for the treatment of kidney failure.