Circumferential membrane, fluid coupled catheter

Details Circumferential membrane, fluid coupled catheter Circumferential membrane, fluid coupled catheter

1986-07-23

1987-12-08

Kamm, William E.

Surgery

Truss

Pad

128673, 128667, A61B 500

Patent

active

047112492

ABSTRACT:
A medical catheter comprising a tube having an internal lumen with an internal wall in which a rigid insert is fitted between lengths of the tube. The rigid insert is overlapped by the ends of the lengths of the tube and the lengths are spaced apart. The insert has an internal chamber with a port through its wall entering into the spacing between the two ends. A flexible membrane extends entirely around the periphery of the spacing and overlaps the ends of the lengths, thereby closing the spacing and retaining liquid within the spacing and the chamber. The chamber is closed as each end by a respective closure, one of which is flexibly responsive to internal pressure in the chamber.

REFERENCES:
patent: 4209023 (1980-06-01), Layton
patent: 4297890 (1981-11-01), Hok
patent: 4304239 (1981-12-01), Perlin
patent: 4346698 (1982-08-01), Hanson et al.
patent: 4476872 (1984-10-01), Perlin
patent: 4517984 (1985-05-01), Perlin
patent: 4593701 (1986-06-01), Kobayashi et al.
patent: 4595017 (1986-06-01), Webler et al.

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