Hot melt welding

Hot melt welding is a common catheter connection technology. It heats the polymer material catheter to a molten state and then presses it together to form a continuous and strong weld. This method is suitable for welding braided tubes with non braided tubes, bonding all sorts of balloon and catheter components with minimal cost of ownership. 

The main features of catheter hot melt welding are as follows:

Material compatibility

Hot melt welding is suitable for various medical grade plastics, such as PVC, polyurethane, polyethylene, etc. The appropriate pipe material can be selected according to different use environments and requirements. The wide range of material selection is conducive to meeting the needs of different medical applications.

Design flexibility

 Hot melt welding can be used to connect plastic pipes of various specifications, sizes and shapes. Special piping systems can be customized according to the needs of different medical devices, and the design is more flexible. It is conducive to the personalized design and customized production of medical devices

Stable connection quality

The process is controllable, repeatable, and easy to control.

No intermediate material required

The connection can be achieved only by heating and melting, without auxiliary materials such as adhesives.

Simple and flexible operation

Only simple equipment such as hot melt welding machine can be used to quickly complete the welding connection of pipe fittings.

Beautiful and neat appearance

There will be no obvious joint marks at the pipe connection after welding, and the appearance is neat and beautiful.

Good sealing

The weld achieves a seamless connection between pipes and can effectively prevent leakage and seepage.

Firm and reliable connection

Through hot melt fusion, the two pipes form a tight and seamless connection with good tensile, compressive and seismic resistance.

Common catheter hot melt welding processes are:

Hot air welding: Use a hot air laminator to heat the surface of the pipe to a molten state, and then press it together. 

Hot plate welding: Use a heated hot plate to heat the surface of the pipe, and then press the pipe together.

By selecting appropriate welding equipment and process parameters, and paying attention to welding preparation and environmental control, the quality of catheter welding can be ensured to be stable and reliable. This connection method is widely used in the installation of various plastic pipe systems.

In summary, catheter hot melt welding technology has not only cost and production efficiency advantages in the field of medical equipment, but also unique advantages in design flexibility, material compatibility, mechanical properties and automation integration. These advantages make hot melt welding one of the preferred connection methods for medical pipeline systems.

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