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Superior imaging with user-friendly stent movement for inspection of polished and unpolished stents prior to and after drug / polymer or parylene coatings.
StentViewII Stent Inspection System
Features advanced user-friendly metrology for precise measurement of strut thickness and distances from strut to strut as well as stent patterns.
- Superior metrology: high quality imaging makes surface defects such as burs and inconsistent films easy to find and examine
- Proprietary lighting system illuminates inside and outside of stent walls for better 3-dimensional visibility of metrology and coating quality
- Motorized 12:1 optical zoom with optical resolution up to 90X and focus adjustment for close inspection of stent geometries within ±1 μm*
- Consistent illumination without glare enhances image quality
- No special training required to operate
- Ergonomic design is “easy on the eyes”
- Color image
- An X-θ positioning system provides precise translation and 360° rotation of the stent
- High-resolution image capture capability
* Accuracy ±1μm dependent on zoom level
Operating Principle
The Stent-View stent inspection system featuring advanced imaging and illumination technology provides superb image clarity and contrast. This state-of-the art user-friendly inspection system provides high quality images when inspecting unpolished, polished, parylene coated, and drug coated stents.
The self-contained table-top system platform is fully integrated and ergonomically designed, providing easy operator access to all system controls.
Maximum inspection flexibility is achieved with the proprietary illumination system, providing optimized, high-resolution images on any unpolished, polished, uncoated or coated stent. The system includes the capability to image the outer diameter, vertical walls, and the inner diameter as well. The motorized zoom optical system has a 12:1 zoom ratio. The zoom and focus axis controls are easily accessible on the system base plate.
Stents are supported by a lighting rod during the inspection process. Lighting rods are interchangeable and available in a variety of standard and custom sizes (diameters & lengths). The lighting rod provides even backlight illumination of the stent. This proprietary lighting system results in extremely consistent illumination on the outer diameter of the stent without hot-spots (glare) that enables surface, coating, and other stent defects to be easily detected.
The Stent-View system has the ability to capture high resolution images utilizing an image capturing device. This feature makes it easy to compare stent coatings for quality control purposes..
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.
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