Product Focus: Tubing

Multi-Lumen Tubing

Multi-lumen tubing from Zeus, Orangeburg, NC, helps simplify the design and production of steerable and deflectable catheters, especially when manufacturers are required to procure and bundle several individual liners of varying sizes into a final catheter assembly. Consisting of one large central lumen with one to four smaller satellite lumens, the PTFE Sub-Lite-Wall^® multi-lumen tubing enables advanced catheter designs with improved structural integrity, planarity, and other precision steering capabilities. All multi-lumens are custom ordered to a drawing.

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Filmcast Tubing

Filmcast tubing from Confluent Medical, Scottsdale, AZ, includes lubricious PTFE-coated liners (supplied on silver-plated copper mandrel), polyimide tubing, or composite tubing configurations with or without braid reinforcement. The process caters to extremely thin wall thicknesses and tight tolerances, which make it ideal for high-performance medical tubing applications. Material is etched to promote lamination, and very thin tie layers can be added to enhance adhesion. Polyimide is a great option when strength, durability, or electrical insulation is a key consideration.

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Rubber/Silicone Extrusion Head

Guill Tool and Engineering, West Warwick, RI, has introduced a crosshead with mechanically assisted gum space (MAGS) adjustment. The 500 Series is designed specifically for the flow characteristics and unique processing challenges of elastomeric compounds. One of the key features is the MAGS adjustment system. This method of adjustment allows the operator to make an effortless adjustment from a single point using a common socket wrench. Only half of a rotation of the cam nut is required to loosen and automatically extract the deflector from the head body. A center-stage concentricity adjustment system significantly reduces pressure on the tooling.

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Micro Extrusions

Microspec, Peterborough, NH, can extrude complex medical parts with ODs down to 0.1 mm. Capabilities include multi-lumen, micro-extrusions, co- and triextrusions, and multi-durometer tubing, as well as profiles, encapsulated stripes, coated wire, bump tubing, and new concepts from most thermoplastic resins. The company extrudes custom medical tubing with an outside diameter (OD) from 0.004 to 0.450 in. (0.1 mm to 10 mm) in any quantity, from small development lots to millions of tubes.

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