Catheter with multiple internal diameters

Details Catheter with multiple internal diameters Catheter with multiple internal diameters

1997-10-03

2000-02-08

Stright, Jr., Ronald K.

Surgery

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

Treating material introduced into or removed from body...

604264, A61M 2500

Patent

active

060223413

ABSTRACT:
There is disclosed a medical catheter comprising a proximal shaft section and a distal shaft section. The proximal shaft section has an inner diameter and wall thickness which is constant over the length of the proximal shaft section. The distal shaft section has an inner diameter which is greater than the proximal shaft inner diameter and has a step up or taper therebetween. The proximal end of the distal shaft section is aligned proximal to the proximal end of a curved portion of the guiding catheter's distal shaft section.

REFERENCES:
patent: 4563180 (1986-01-01), Jervis et al.
patent: 5533988 (1996-07-01), Dickerson et al.
patent: 5549551 (1996-08-01), Peacock, III et al.
patent: 5820610 (1998-10-01), Baudino

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