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US 6,240,968 B1Granted
Membranes suitable for medical use
AssigneeRTC, Inc.
InventorsAnna Maria Bigonzi-Jaker, Marc L. Jaker
Life of this patent
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Abstract
A modified polytetrafluoroethylene resin membrane material is provided for a variety of medical or other applications. The material may be used as a bandage, tissue barrier, article covering or coating. Layers of the membrane may be combined to form tubes useful alone or tubes which can be combined with other tubes or manipulated.
Claims6
A multi-lumen tube comprising
- a first layer of a material formed of a modified polytetrafluoroethylene resin including less than 5% of perfluoro propyl vinyl ether,
- a second layer of a material formed of a modified polytetrafluoroethylene resin including less than 5% of perfluoro propyl vinyl ether, and
- a third layer of a material formed of a modified polytetrafluoroethylene resin including less than 5% of perfluoro propyl vinyl ether;
- wherein each of said layer includes first and second longitudinal edges, each of said first and said second longitudinal edges of each of said layers being heat-sealed about a portion of the length of said longitudinal edges.
1 more element
Dependencies are inferred from the claim text.