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Fast and reliable surface characterization increases quality and safety of medical devices

As life expectancy improves throughout the world, an ever growing number of people need medical devices such as arterial stents, ophthalmics, and orthopedic and dental implants. Increased demand and advances in medicine and technology pose a constantly shifting set of challenges to manufacturers of medical devices, from performance and durability to production capacity and innovation leadership. Bruker’s 3D optical microscopes enable non-contact, extremely accurate surface analyses of both surgical blades and implants, helping manufacturers pass stringent quality standards and ensuring safe and reliable end products for patients.

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Dental Implants

The surface characteristics of dental implants are critical in the success of the osseointegration process. To aid healing and permanent implant incorporation in jaw tissue without complications, a variety of materials, procedures and even bioactive coatings are applied to implants. Bruker’s 3D optical microscopy delivers precise and repeatable characterization of dental implants, ensuring effective R&D and production quality control.

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Medical Blades and Sharps

Medical blades are held to much more stringent process control parameters than consumer blades. Their cutting edges must be exquisitely sharp and defect-free to ensure safe use in demanding medical applications. Optical profiling is a well-established method for accurate, repeatable and rapid 3D measurement of surface shape and roughness for research and production measurement of precision blades and many other medical-grade instruments.


Over 1 billion contact lenses are purchased per year in the US alone. These lenses incorporate increasingly complex shapes and nano-structured surfaces to support improved vision correction, including astigmatism and bifocal function. Bruker’s 3D optical microscopes provide high-accuracy, non-contact metrology for Fresnel lens and diffractive structures, as well as surface roughness, local radius of curvature, and shape measurements to help ophthalmic R&D and production.

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Lifetime and safety expectations continually increase for the over one million joint implants produced each year. Bruker’s 3D optical microscopes measure surface roughness, microscale finish, radius of curvature variations, scratches, and other defects in seconds with subnanometer accuracy over large fields of view to quantify the tribological behavior of a wide variety of implants, from hip balls and cups to knees, elbows, and spinal implants.


Because heart stents are crucial to the long-term health of patients, quality control is extremely stringent. Critical parameters include surface roughness, widths, feature shape, and radius of curvature. With the addition of drug coatings on stents, uniformity and thickness measurements must be made to guarantee proper drug delivery. Bruker’s 3D optical microscopes have been used extensively to measure the dimensions, roughness, and coating characteristics of heart stents.

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