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Tube Processing
At Minnesota MedTec we are known for our tube processing:
After years of designing medical products, our engineers left their jobs to focus on the medical device tube processing as the extrusion industry just wasn’t able to provide tubes that were adequate.
All materials need to be properly handled and controlled based on it’s physical and chemical requirements.
Some of the materials we manufacture must be extruded on two separate days because of the way each specific lot of resin was formulated. Each lot manufactured can have a significant affect on the material shrinkage and we sometimes have to extrude a sample and allow a day to verify what shrinkage we will have with this particular lot.
Its fascinating how the properties can be adjusted with the extrusion process. A few of the property changes are below:
- Tensile increase/decrease
- Elongation increase/decrease
- Chemical resistance
- Shrinkage of the material
- Tensile modulus
- Burst strengths

Tip forming of a catheter or medical device is used to shape the insert-able tip of a device to prevent any damage from the sharp end of the catheter scraping, perforating, or slitting a vessel or tissue.
We create tips in a variety of ways depending on your quantities and assembly process of the catheter.
- Heat forming
- Radio frequency die forming
- Shrink tubing
- Reflowing
- Glass forming
Let us know the quantity of parts you need and a drawing/sketch and we will help you find your solution.
- RF dies
- Reflow
- Clear dies
- Clam shell jaws
- Hot air
Minnesota MedTec makes 10’s of thousands of these parts per month and can make them to your specifications.
Marker band swaging has to be very accurate. At Minnesota MedTec we have been swaging marker bands and electrodes onto catheters for over 25 years.
There are four main of cases using swaging :
- Bands for radiopaque visualization
- Electrodes
- Physical attachment of an item
- Shaping plastics or metals
The most difficult cases we are swaging are:
- Swaging bands onto multi lumen tubes
- Electrodes where the wires are welded under the bands and must provide a strong connections.
- Attaching bands with tolerances of +/- .0003″ on the OD.
Please contact us with your application and we’d be happy to discuss it with you.