Covered Stents & Frames

Medical Murray can help create and cover your medical device stent or frame in a variety of materials, such as ePTFE, polyester, urethane, and silicone.  

Medical Murray and our experienced engineers can outfit solutions for covering your medical device. The right material selection for covering is critical for its durability and performance, and we offer a variety of materials to choose from - such as ePTFE, Polyester, Polyurethanes, and Silicones which may be formed in extrusion, electrospun, woven or solution.

We can assist you in developing and covering stents and frames with unique shapes and profiles and wall thicknesses as low as 20 micron (0.0008") by utilizing our sintering, sewing, laminating, dip casting, heat setting and injection molding capabilities.

Clinical Areas



  • Aortic Aneurysms (AAA and TAA)
  • Aortic Dissection
  • Aneurysm Exclusion and Repair
  • Multilumen Stents and Grafts

Structural Heart

  • Left Atrial Appendage (LAA)
  • Valve Repair and Replacement
  • Coronary Vessel Perforation
  • Shunts


  • Biliary Stents
  • Covered Braid
  • Gastric Sleeves

Covering Testing Standards

We use our company's expertise and experience to manage all aspects of the testing your covered device requires - whether performed in-house or through our partners. Our testing services examine your device's conformity with standards and compatibility with appropriate accessories and fittings.

Medical Murray and it's partners can assist you with the independent testing of your implant covering systems against ISO 25529-1:2017 and ISO 7198:2016 requirements.

ISO 25529-1:2017

Cardiovascular implants — Endovascular device testing requirements

>   Corrosion

>   Fatigue & Durability

>   Fixation & Seal

>   Leakage

>   Migration Resistance

>   Patency


ISO 7198:2016

Tubular vascular grafts and vascular patches testing requirements

>   Permeability

>   Porosity (non-textile materials)

>   Tensile Strength

>   Suture Retention & Burst Strength

>   Kink Diameter / Radius

>   Preclinical In-Vivo