Reinforced cholangiogram catheter

Details Reinforced cholangiogram catheter Reinforced cholangiogram catheter

1995-02-17

1996-11-12

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604280, A61M 2500

Patent

active

055735215

ABSTRACT:
A Reinforced Cholangiogram Catheter including a flexible main length and a distal section. The distal section comprises an elongate flexible tube section and an enlarged head member integrally formed with the tube section and also defines a shoulder therebetween. The tube section has a substantially uniform exterior and interior diameter. The enlarged head member is integrally formed with the tube section and has a generally larger exterior diameter than the tube section. A substantially rigid elongate support tube is disposed within the distal section extending generally from the head member a predetermined distance within the tube section. The support tube is uncollapsible and is structured and dimensioned to reinforce the tube section to prevent it from being compressed along any part thereof. In the preferred embodiment, the enlarged head member has a generally truncated conical shape and includes a section of widest diameter with exterior surfaces that are selectively rounded to form a shoulder of the catheter. The shoulder of the catheter is sized and configured to stoppingly abut a sealing member fastened around a portion of a duct in which the support tube is positioned.

REFERENCES:
patent: 3780740 (1973-12-01), Rhea
patent: 4516970 (1985-05-01), Kaufman et al.
patent: 4769014 (1988-09-01), Russo
patent: 5017193 (1991-05-01), Fields

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