A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61M 25/10 (2006.01)
Patent
CA 2073506
An elongated catheter (4 1111) having an in- terior and an exterior surface, wherein the interi- or surface defines a lumen (8 1111) passing through the catheter. The catheter further includ- ing an enclosed cavity (45 1111) between the interi- or and exterior surfaces which encircles the lu- men. The cavity having an inner wall and an ou- ter wall, the outer wall being a resilient sleeve which can stretch generally independently of the inner wall. The cavity containing an amount of a suitable lubricating substance (38 1111) effective to permit the resilient sleeve to slide along an outer surface of the inner wall while in lubricated con- tact therewith when stretched independently of the inner wall, wherein the inner and the outer wall are joined together at distal end proximal ends of the enclosed cavity. An automated meth- od for producing the same, including a series of automated dipping steps, is also disclosed. A "Foley" catheter having a balloon portion and a lubricated resilient sleeve, as disclosed above, is also disclosed, as are methods for manufacturing the same.
Conway Anthony J.
Conway Philip J.
Fryar Richard D. Jr.
Goudreau Gage Dubuc
Rochester Medical Corporation
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