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test

MediCoat DES1000

MediCoat DES 1000 Stent Coating System
Benchtop Cardiac Drug Eluting Stent Coating System


The MediCoat DES1000 is a turn-key solution for the development of processes for arterial metal and bioabsorbable drug eluting stent coatings such as anti-restenosis polymers. Sono-Tek has extensive experience spraying drug eluting polymer solutions to create uniform thin film coatings onto implantable stents of any geometry, without webbing of the polymer coating. The soft atomized spray adheres well to surfaces and coating morphology characteristics can be adjusted by modifying process parameters.

Our MediCoat technology provides organizations such as the US FDA, as well as many global stent manufacturers, with the ability to test and produce high quality repeatable polymer coatings.

As the industry’s leader in ultrasonic stent coating for over a decade, Sono-Tek’s stent coating technology is used by 90% of the research and manufacturing institutions in the stent coating market worldwide, with over 600 systems in operation.

MediCoat

cardiac stent

MediCoat DES1000 System Benefits:

  • Industry proven success in producing high quality stent coatings
  • Integrated control of the nozzle, liquid delivery, and stent movement/rotational device
  • Soft, low-velocity spray can be targeted with unmatched precision
  • Small ultrasonically generated drops provide excellent penetration and inhibit webbing
  • Minimal overspray (minimal waste)
  • Wide range of delivery rates from 0.3-100 ml/hour
  • Self-cleaning ultrasonic nozzle prevents clogging
  • All system components are compatible with the typical
    solvents and polymers used in stent coating
  • (For example: solvents THF, acetone,DMAC, toluene, chloroform;
    polymers: urethanes, polycarbonates, silicones, styrenes)

Stent Coating

Operating Principle

The MediCoatâ„¢ DES1000 Benchtop Stent Coating system combines Sono-Tek’s unique microspray atomizing nozzle with low-pressure gas to produce a soft, highly focused beam of atomized spray drops. Compressed gas, typically at 1 psi, is introduced into the diffusion chamber of the air shroud, producing a uniformly distributed flow of air around the nozzle’s atomizing surface.

The ultrasonically produced spray created is immediately entrained in the air stream. An adjustable focusing mechanism on the air shroud allows complete control of the spray width.

MediCoat Operation

The customer has the option of attaching a custom stent holding device onto the rotating mandrel. The stent is manually loaded onto the stent rotation device and is rotated at a fixed speed, controlled by the user. The stent moves horizontally side-to-side beneath the target area. The number of horizontal passes made are programmable.

A low-velocity exhaust located below the spray area maintains a negative air pressure to assure that any unwanted mist beyond the target area is removed. The system’s unique glove box design allows for safe and convenient access to the stent load and unload area. Large, unobstructed viewing windows and high-intensity internal LED lighting allow for easy observation. With integrated controls for triggering the ultrasonic atomization, liquid delivery and stent movement, the MediCoatâ„¢ DES 1000 Stent Coating System provides a complete solution for developing a stent coating process.

MediCoat screen












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