Catheter Guide Wires

Modern Grinding manufactures guide and core wires for use with specialized catheters. These guide wires can be fully or partially flat, threaded, PTFE coated or with a step taper to accomodate optimal guidewire performance. We manufacture a variety of tips (radius, trocar, diamond, blunt) for optimal intravenous guidance. Typical materials include Stainless Steel (ss) 304 and Nitinol (NiTi) with light or dark oxide.

Modern Grinding is an OEM and doesn't have branded products. We can build to specification for your next research project. Reach out and we will let you know our capabilities.

As a reference, the catheter system is measured in French which refers to the outer diameter or (OD) of a catheter. Below is a simple conversion table for French to Inches to Millimeters. Modern Grinding can manufacture all of the following diameter sizes.

French Catheter Conversion Scale

French (Fr) Inches (") Millimeters (MM)
1 0.013 0.33
2 0.026 0.67
3 0.039 1
4 0.053 1.35
5 0.066 1.67
6 0.079 2
7 0.092 2.3
8 0.105 2.7
9 0.118 3
10 0.131 3.3
11 0.144 3.7
12 0.158 4
13 0.17 4.3
14 0.184 4.7
15 0.197 5
16 0.21 5.3
17 0.223 5.7
18 0.236 6
19 0.249 6.3
20 0.263 6.7
22 0.288 7.3
24 0.315 8
26 0.341 8.7
28 0.367 9.3
30 0.393 10
32 0.419 10.7
34 0.445 11.3

Quote Your Next Project

  • Guidewires, Mandrels, Core Wires
  • K-Wires, Steinmann Pins, Needles
  • Coils, Springs, Orthopedic Pins
  • Custom Medical Wire Prototypes



In the News

Check out Modern Grinding in a recent issue of Micro Manufacturing for a feature article about our micro manufacturing capabilities.




Also, our very own Jim Boldig was recognized as a Top 30 under 30 Medtech Innovator by Qmed.