Aeos™ ePTFE

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Aeos™ ePTFE is produced by mechanically expanding biocompatible PTFE to produce a microporous structure of solid nodes interconnected by fibrils. This versatile and flexible material can be customized in many different and complex geometries depending on the unique environment it needs to operate in. Aeos™ ePTFE is available in three product groups: Aeos™ ePTFE Membranes and Ribbons; Aeos™ ePTFE Porous Tubing; and Aeos™ ePTFE Sutures, Monofilament, and High Strength Monofilament.

The combination of a microporous structure coupled with the many PTFE qualities which are retained after stretching, such as biocompatibility, ability to be sterilized, and flexibility, makes Aeos™ ePTFE an extremely versatile material that can be used in a diverse range of medical applications.

Aeos™ ePTFE Membranes & Ribbons

Aeos™ ePTFE membranes and ribbons excel in medical applications that demand porosity, flexibility, and strength. Membranes and ribbons are available sintered, or unsintered where further processing such as lamination is required. Ultra-thin, biaxially stretched membranes favor stent encapsulation while thicker, uniaxially stretched calendared ribbons suit dental or cosmetic implants that are cut or formed into various shapes.

Aeos™ ePTFE Tubing

Aeos™ ePTFE porous tubing is perfect for applications that demand flexibility and robust performance. Alongside standard sized tubing, ultra-thin ePTFE Sub-Lite-Wall™ uniaxially oriented tubing and ePTFE biaxially oriented tubing are both available. These products balance strength with flexibility, making them ideal for stent grafts or endoscope channels. The porous structure can promote new tissue in-growth for accelerated patient healing.

Aeos™ ePTFE Sutures & Monofilament

Aeos™ ePTFE suture and monofilament products deliver and maintain exceptional tensile strength and flexibility. Low surface friction allows surgeons to position knots precisely while Aeos™ ePTFE high strength suture variants deliver enhanced straight-pull and knot-pull strength for a stronger suture with better closure and optimized healing. All products are non-absorbable and can be permanently implanted with minimal immune response for reduced scarring. With further manufacturing, sutures can be swaged with a 1:1 needle-to-suture ratio, which can result in less patient bleeding.


    Stent Coverings – ultra-thin biaxially stretched membranes and porous tubing can be customized to suit individual stent designs and intended applications.

    Implants – uniaxially stretched calendared ribbons are ideal for medical and dental implants that require thicker materials capable of being accurately formed or cut to shape.

    Suturing – standard strength and high-strength flexible and adaptable sutures or monofilament tailored to your exact requirements.

    Vascular Anastomosis – sutures can be swaged with a 1:1 needle-to-suture ratio for reduced bleeding, making it particularly effective for vascular anastomosis.

    Tethering – high strength monofilament can be used to anchor or securely hold tissue and structures in place such as in mitral valve repair or in certain dental procedures as a non-absorbable suture.

    Vascular Devices – suitable for multiple vascular device applications, such as a porous encapsulation for metal scaffolds or as a flexible distal tip liner in delivery devices.

    Endoscopic Channels – can be used to reduce sliding friction and kinking in biopsy channels or as a liner for endoscopic channels in surgical robotics.

    Medical Equipment – can be applied in many diverse medical equipment designs which require flexibility, porosity, and strength, such as insulation in RF ablation devices or protection for optical fiber bundles in surgical lighting.

    Femoral Vascular Closure Devices – High strength ePTFE sutures can give advanced mechanical properties to applications requiring enhanced pull strength.


    Biocompatible – a USP Class VI resin that is safe and trusted for use within the human body.

    Brilliant White Color – improves visibility for the surgeon.

    Broad-spectrum Chemical Resistance – able to withstand and endure many chemicals without loss of integrity.

    Broad Working Temperature – Aeos™ ePTFE has an extended working temperature up to 500 °F (260 °C).

    Chemically Inert – this material is not chemically reactive with the tissue of the human body.

    Customizable – uniaxial or biaxial stretching ensures customer’s exact material and design requirements can be met in relation to density, porosity, pore size and internodial distance.

    Heat-sealable – important for laminating and encapsulation.

    Hydrophobic – this material naturally repels water yet is still microporous to air, uniquely combining both properties together.

    Light-passing Properties – can be used as a light guide in surgical suites, providing flexible protection to optical fibers that glows with illumination.

    Low Dielectric Constant – an optimal choice for insulation applications.

    Lubricious – the low surface friction allows surgeons to position knots with precision when used as a suture or monofilament.

    Microporous – porous to air, this material is characterized by many PTFE nodes interconnected by fibrils which allows it to be used in diverse applications where porosity is required.

    PTFE Qualities – ePTFE combines the qualities of PTFE, such as strength and flexibility, with a microporous form – these material characteristics can be used to overcome many engineering and design challenges.

    Soft And Flexible – key properties for medical devices that need to safely traverse the vasculature of the body.

    Ultra-thin – Zeus has a unique capability to produce ultra-thin ePTFE tubing with wall thickness as low as 0.002” (0.051 mm).

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