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Joninn ApS  •  Hovedvejen 1d  •  DK-3330 Gørløse  •  Denmark  • info@joninn.com
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Products and services

R&D Services
Medical Device development, with a focus on liquid handling devices.
 
Coating optimization for client devices
 • Optimization of the use of our products for client devices
 • Development of coatings for devices with special needs
 • You get full process documentation, so you can coat devices at your site
 • Our expertise and involvement ensures that your device gets the required surface and liquid handling characteristics
    
Expertise
 • Medical device R&D, design and troubleshooting of prototypes
 • Liquid handling medical devices
 • Diagnostic test consumables and diagnostic systems
 • Air bubble prevention
 
Resources
Now in public domain: High visibility flow test liquid

Paper: -Hydrophilic surfaces and air humidity
iPhone App: Simple measurement of contact angles



Medical device coatings
•Contact angle & surface tension control
•Hydrophilic coatings (CA 5°-15°)
•Hydrophobic coatings (CA 95°-120°)

Hydrophilic plastic
•Hydrophilic directly from the molding machine.
•Contact angle 20°
Artificial blood for flow testing
•Safe test liquid for Medical Device R&D
•Flow properties identical to whole blood
•Equivalent hematocrit: 0% to 70%
Lubricating coatings
•Very lubricating and very durable
•Excellent adhesion to many materials
•Controlled crosslinking
Customer device consultancy
•Optimization of coatings
•Advice on obtaining the intended fluidic behaviour in a medical device.