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US 2014/0288517 A1Published application
High barrier elastomer fecal catheter or ostomy pouch
AssigneeConvatec Technologies Inc.
InventorsMingliang Lawrence Tsai, Tinh Nguyen-Demary
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Abstract
A fecal catheter or ostomy pouch made of an odor barrier material including a thermoplastic elastomer, odor barrier modifier and an antiblocking agent.
Claims25
A fecal catheter made of an odor barrier material comprising:
- i) a thermoplastic elastomer selected from the group consisting of a styrenic block copolymer, a thermoplastic vulcanizate, or a polyolefin elastomer;
- ii) an odor barrier modifier selected from polyisobutene, polybutene, or an organoclay;
- and
- iii) an antiblocking agent selected from the group consisting of essentially inorganic fillers, including silica, talc, clay, and mica.
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A fecal catheter having odor barrier material comprising:
- an elastomer selected from the group consisting of silicone, polyurethane, styrenic block copolymer, thermoplastic vulcanizte vulcanizate or polyolefin elastomer;
- a nanocomposite filler material coated on or present within said elastomer so as to provide an odor barrier;
- said elastomer and nanocomposite forming a soft catheter tube having a Shore A hardness of not more than 60.
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A fecal catheter having odor barrier material comprising an elastomer substrate and zeolite, said elastomer and zeolite forming a soft catheter tube having a Shore A hardness of not more than 60.
Dependencies are inferred from the claim text.