Catheter Technologies

Dilators & Sheaths

We’re the market leader in dilator and sheath technologies that support interventional therapies. Our custom vascular access components come in a wide range of sizes, polymers, colors, and value-added operations.

Vascular dilators and introducer sheaths by SPG

Off-the-Shelf Dilators & Sheaths

A gray dilator by SPG

Our off-the-shelf components can jump start product development projects. Standard dilators and sheaths are available in our Component Webstore, ready to ship the next day.

Quick-Turn Standard Designs

With hundreds of tools and countless configurations readily available, we can rapidly produce prototypes to support your development projects.


Custom Dilators & Sheaths

Vascular dilators and introducer sheaths by SPG

Our dilator and introducer sheath technologies include custom designs in various materials, sizes, colors, and post-extrusion operations.



  • LDPE
  • HDPE
  • Pebax®
  • Radiopaque fillers (barium sulfate)


  • HDPE
  • Pebax
  • FEP


  • 8 Fr–28 Fr

Dilator Technologies

A blue dilator by SPG
  • Tipping (radius, atraumatic)
  • Custom & extra-length tapers
  • Multidurometer
  • Large-diameter dilators for structural heart applications
  • Bonding & butt bonding
  • OD grinding & tip profile grinding
  • Overmolded hubs
  • Laser marking & pad printing

Sheath Technologies

  • Thermoplastic resins with radiopaque additives
  • Tipping, flaring & cuffing
  • Variable-stiffness shafts
  • Electrode embedding
  • Insulation sheath for robotic surgery applications
  • Encapsulated radiopaque or nonmetallic marker bands
  • Braid- or coil-reinforced shafts
  • Laser marking & pad printing
  • Complex subassemblies
  • Steerable and deflectable sheaths

See the complete list of our Secondary Operations

Contact a Catheter Specialist
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