Catheter equipped with a dilation element

Details Catheter equipped with a dilation element Catheter equipped with a dilation element

1992-04-21

1993-01-05

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604283, 606192, A61M 2900

Patent

active

051766370

ABSTRACT:
A catheter equipped with a dilatation element comprising, an inner tube having a first lumen open at the distal end, an outer tube which surrounds the inner tube so that a predetermined length of the distal end of the inner tube extends out of the distal end of the outer tube and a second lumen is formed between the outer surface and the inner tube, a foldable dilatation element which has the front and rear end portions attached to the inner tube and the outer tube respectively and whose internal space communicates with the second lumen, a first opening which communicates with the first lumen at the proximal end of the inner tube, and a second opening which communicates with the second lumen at the proximal end of the outer tube, and characterized in that a portion near the distal end of the outer tube is fixed to the inner tube without blocking the second lumen.

REFERENCES:
patent: 4323071 (1982-04-01), Simpson et al.
patent: 4917666 (1990-04-01), Solar et al.
patent: 4955895 (1990-09-01), Sugiyama et al.
patent: 4964853 (1990-10-01), Sugiyama et al.
patent: 4998917 (1991-03-01), Gaiser et al.
patent: 4998923 (1991-03-01), Samson et al.
patent: 5035694 (1991-07-01), Kasprzyk et al.

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