PROCESS FOR PRODUCTION OF TUBULAR FILMS FOR PROTECTION OF MEDICAL DEVICES
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Jun 2, 2015
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Jun 2, 2014
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The present invention provides a continuous process comprising, extruding two or more layers of a thermoplastic polyurethane film, welding the two or more layers of film at a first edge in a machine direction and simultaneously slitting the welded film with an angular section of an anvil blade and winding the welded, slitted thermoplastic polyurethane film onto a roller. The resultant thermoplastic polyurethane film in tubular form may find use in medical applications such as coverings on robotic arms used for performing surgery (by proxy).
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