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Sterile Tubing Welder
Overview How It Works Materials
Sterile Polyurethane Tubing Connections Based on Proven Technology

Built on a legacy of proven thermal welders and cell processing devices from Terumo BCT, the TSCD-Q sterile tubing welder creates strong, sterile polyurethane tubing connections.

This compact, portable welder allows the attachment and removal of components through a sterile process, maintaining a functionally closed system and providing protection from outside contamination.

*The TSCD-Q welder is available in select markets.

Create strong, sterile connections with the TSCD-Q sterile tubing welder

Creates sterile welds in a few easy steps
Quickly and reliably connects two lengths of tubing with 4.75 mm (0.187 in) outer diameter (OD) and 0.787 mm (0.031 in) wall thickness
Provides flexibility in a single device
Welds wet-to-dry, wet-to-wet and dry-to-dry connections
Maintains a functionally closed system; a TSCD wafer is heated to approximately 300 °C (572 °F) to ensure sterility during cutting and welding
Welder Specifications
External dimensions
width × height × depth
224 mm (9.0 in) × 177 mm (7.0 in) × 342 mm (13.5 in)
Weld cycle Approximately one weld every 14 seconds

See the table below for more information.

Is the TSCD-Q welder right for you?

TSCD-Q Sterile Tubing Welder
Tubing Size in mm (in)
4.75 (0.187) outer diameter (OD)
0.787 (0.031) wall thickness
Tubing Type
Polyurethane (Pellethane® 2363-80AE) tubing
Tubing Use
SCD® IIB Sterile Tubing Welder
Tubing Size in mm (in)
5.5 (0.215) OD
0.8 (0.033) wall thickness
Tubing Type
Polyvinyl chloride (PVC), C-FLEX®*
Tubing Use
TSCD® II Sterile Tubing Welder
Tubing Size in mm (in)
Blood Bag Tubing
3.86 (0.152) to 4.6 (0.181) OD
0.508 (0.019) to 0.8 (0.031) wall thickness
AVF and Apheresis Type Tubing
4.9 (0.196) to 5.6 (0.22) OD
0.75 (0.029) to 1.1 (0.043) wall thickness
Tubing Type
Tubing Use
Blood Banks/Biotech
T-SEAL II Tube Sealing Device
Tubing Size in mm (in)
Up to 5.8 (0.23) OD
Tubing Type
Tubing Use
Blood Banks/Biotech
*Only PVC tubing with a nominal OD of 5.5 mm (0.215 in) and a nominal wall thickness of .84 mm (0.033 in) in has been tested by Terumo BCT for weld strength and sterility; however, some users have had successful results using other types of thermoplastic tubing (such as C-Flex). If you choose to use tubing other than the tubing specified, it is your responsibility to test for weld strength and sterility according to the standards appropriate for the desired application. Use of tubing other than the PVC tubing specified can cause a low-strength weld joint, which could result in a non-sterile weld.
How It Works

Watch the video and see how the TSCD-Q sterile tubing welder creates simple, consistent, dependable polyurethane-specific tubing connections.


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