Metal Processing Technologies

seisa metal processing technologies
Seisa provides world class expertise in product design and development of metal processing technologies to create delivery systems, stents, implants, and other medical devices.

Shape Setting / Heat Treatment / Annealing

Some of our shape setting, heat treatment and annealing technologies include:

  • Processing of super-elastic shape-memory nitinol
  • Devices of variable sizes and complex shapes
  • Optimized devices for mechanical and thermomechanical behavior
  • Rapid heating/cooling cycles and precision temperature control
  • Furnace bath treatments
  • Exceedingly fine grain size structures
  • Af temperature setting

Wire-Formed Devices Manufacturing

Some of our wire-formed devices manufacturing technologies include:

  • Semi-automated forming
  • Consistent part shape and performance
  • Welded junctions
  • Crimped and swaged junctions
  • Wire formed devices with barbs and swaged marker attachments

Med-Class Surface Finishing

Some of our med-class surface finishing technologies include:

  • Micro blasting
  • Dry and wet honing
  • Mechanical polishing
  • Tumbling
  • Chemical etching
  • Electropolishing
  • Passivation
  • Surface finishing to achieve complete removal of HAZ
  • Uniform material removal and rounding of sharp edges
  • Maximized corrosion resistance and biocompatibility
  • Repeatability and predictability

Radiopaque Marking

Some of our radiopaque marking technologies include:

  • Precious metals such as tantalum and gold swaged into eyelets or attached on struts
  • Strain modeling performed to aid design process
  • Retention force measurements
  • Crimping and bonding available for radiopaque marking

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