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ADVANTAGES OF MASS FINISHING IN MEDICAL TECHNOLOGY
Mass Finishing brings numerous benefits, making it an essential method for surface processing
of medical components:
■ Reproducible Precision
Ensures consistent, homogeneous surface treatment for high quality.
■ Gentle Processing
Avoids material deformation or microcracks that may occur with manual handling.
■ Efficient Deburring and Polishing
Smoothly removes burrs and sharp edges, leaving even surfaces.
■ Optimized Surface Roughness (Ra values)
Creates hygienic surfaces that minimize bacterial adhesion on implants or surgical tools.
■ Automation Potential
Highly efficient for serial production with consistent results.
■ Suitable for Delicate Components
Ideal for intricate designs and complex geometries such as bone screws or catheter
components.

The smoothing of surfaces plays a critical role in reducing microscopic roughness, limiting
contamination and germ adhesion. The biocompatibility of medical implants and instruments
is preserved, as the process prevents material alterations. Removing burrs and surface defects
also enhances corrosion resistance, minimizing the risk of degradation while improving the
durability of components. Besides functional advantages, this method also offers aesthetic
benefits. Homogeneous, polished surfaces improve the visual quality while fostering trust in
medical devices. Automation further ensures consistent quality, reduces processing times, and
minimizes manual reworking, enhancing efficiency and lowering production costs.

ADVANTAGES OF ELECTRO FINISHING IN MEDICAL TECHNOLOGY
Electro Finishing elevates surface quality to a new level, offering exceptional advantages:
■ Perfect Smoothing and High-Gloss Polishing
Eliminates microscopic roughness, improving biocompatibility.
■ No Material Loss at Critical Points
Enables selective processing without dimensional changes.
■ Retention of Cutting Performance
Maintains the sharpness of surgical instruments.
■ No Abrasive Contact
Prevents mechanical stress, making it ideal for sensitive components.
■ Access to Hard-to-Reach Areas
Suitable for treating complex internal contours, such as in minimally invasive instruments.

Microscopically smooth surfaces improve hygiene by reducing contamination and ensuring
easier cleaning. Enhanced corrosion resistance results from chemical passivation, which
shields metal surfaces from oxidation and chemical damage. Simultaneously, high-gloss
surfaces enhance perceived quality. By combining mechanical processing and electrofinishing,
rework is minimized, waste is reduced, and overall production costs decrease, creating a clear
economic advantage.

YOUR PARTNER FOR PERFECT SURFACES
OTEC combines Mass Finishing and Electro Finishing to provide optimal solutions for any
surface requirement. We invite you to discover the precision and efficiency of our processes
tailored to your specific needs. At our in-house Finishing Center, clients from around the world
can process sample components to define the ideal method.
Contact us today to learn more about how our technologies can give you a competitive edge in
medical technology.

OTEC Präzisionsfinish GmbH – Your Expert in Surface Precision.