For critical patient procedures, medical professionals demand the best. The medical coils they select need to meet- and exceed- those high standards.

Torque Coils

The world’s leading medical device companies turn to Heraeus for innovative solutions to their most complex medical coil challenges. We use patented technology and world-class engineering to produce medical coils for a variety of applications. Every medical coil we design and manufacture will provide the quality, performance and reliability you need to earn the trust of surgeons and medical professionals…every time.

From design to manufacturing to delivery, Heraeus engineers will collaborate with you to ensure your medical coils meet your specific requirements, including:

  • Critical features
  • Functional requirements
  • Raw material/metal selection
  • Coil stiffness or flexibility
  • Electrical resistance
  • Testing and quality assurance processes
Heraeus shaped coil

Coil Diameter
Specified by OD. Typically ID is specified as reference or min. Diameter can be variable (tapered).

Wire Options

  • Round wire
  • Flat wire
  • Shaped wire
  • Single filar or multi-filar coils

Pitch Options

  • Tight wound: coil stiffness may be defined; pitch not specified
  • Close wound: minimal/no space between filars
  • Open wound: gap between the filars; pitch is length of 1 filar wrap, measured using the average over 10 wraps
  • Variable pitch: can be varied along the coil to provide varying stiffness

End Cut Options

  • Rough Cut
  • Radial Cut
  • Axial Cut
  • Staggered Cut
  • Square Cut

Jacketing Materials

  • FEP
  • ETFE

Coil Shaping

  • Heat setting and cold forming technology to shape your coils into S-shapes, J-shapes or other 3-dimensional shapes.

Catheter Features / Assembly

  • Various Tipping
  • Reflow bonding
  • Flaring
  • Butt Weld / Overlap Weld
Heraeus Medical Coil

Specialty / Procedural

  • Guidewires for vascular access and PICC procedures
  • Structural heart

Peripheral Vascular

  • Wide variety of interventional radiology designs and procedures

Interventional Cardiology

  • Guidewires
  • Catheters
  • Delivery Systems and Assemblies


  • Small diameter coils for embolotherapy and stroke management

Gastrointestinal / Endoscopy

  • Jacketed coils for bilary and endoscopic procedures
  • Guidewires
  • Catheters


  • Diagnostic / mapping coils and assemblies
Torque Coil Production

Earn the trust of demanding medical professionals. Heraeus medical coils deliver superior performance and reliability, helping you earn the trust of surgeons and medical professionals.

State-of-the-art manufacturing. Our global network of facilities feature the latest precision manufacturing equipment for high-precision forming coiling, winding, grinding and welding.

Experience you can count on…and trust. Patented technology, plus proven expertise in materials, coil winding and subcomponent assembly.

Speed-to-market. We provide rapid prototyping (with dedicated equipment and wire stock) and the engineering support you need to quickly move from prototype to product. Up to 100 coil prototypes can be produced in two weeks or less.