Measurement & Inspection


Medical Metrology Finds the Best Fit


There are a number of ways of measuring and inspecting biomedical devices. Which way is best?


Bruce Morey Contributing Editor F


Sensofar is introducing a new system for measuring only stents.


To date, the majority of metrology equipment in medical is more


general purpose, able to measure a wide variety of biomedical devices.


inding the best fi t of device to part is especially signifi cant for metrology companies with a diverse portfolio. That is the case for Mitutoyo (Aurora, IL), according to Allen Cius, their vision optics manager. The company offers over 6000 products, from hand calipers to horizontal arm CMMs that can measure objects the size of whole car bod- ies. Mitutoyo metrology capital equipment systems fi t within three basic families of products: vision-based systems, form measurement machines, and CMMs. “Vision systems can very accurately measure 3D with camera and high-resolution Z scales,” said Cius. Form devices use dedicated devices to measure surface roughness, roundness, or profi les. CMMs are CNC-driven three-axis devices that use probes or spe- cialized sensors to measure parts according to programs.


May 2014 | ManufacturingEngineeringMedia.com 63


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