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Multiple Hypotubes/Cleaning Probe
Multiple hypotube probes can be installed for use in applications requiring the delivery of more than one liquid. A cleaning probe option is also available.
Stent Coating expertise
Having worked with hundreds of combinations of different polymers, solvents, and stent designs, Sono-Tek has become a leader in the stent coating industry. We are available for consultation, process setup, system operation, and laboratory services.
MicroMist for Stent Coating
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Sono-Tek Corporation is the world’s leader in stent coating technology. Our 30 years of technical expertise in ultrasonic spray technology has put us on the leading edge of precision medical device coating. With a commitment to providing leading-edge coating equipment, we offer the most advanced stent coating systems on the market.
- Sono-Tek ultrasonic nozzles have industry proven success in producing high quality stent coatings
- Polymer solutions are delivered through an external hypotube to the nozzle’s atomizing surface
- A low-pressure air stream through the nozzle’s central orifice entrains the spray and produces a very tight, precise spray pattern
- Soft, low-velocity atomized 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 - 9 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)
Operating Principle
The MicroMist system combines Sono-Tek's unique Microspray ultrasonic atomizing nozzle with low-pressure air to produce a soft, highly focused beam of small spray drops.
The small size of the nozzle tip and air orifice of the MicroMist produces a very fine, focused beam. An isolated hypotube delivers liquid to the nozzle tip while compressed air, delivered through the nozzle orifice at a fixed low pressure, shapes the atomized droplets into a very precise, targeted spray.
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