Vascular catheter having low-profile distal end

Details Vascular catheter having low-profile distal end Vascular catheter having low-profile distal end

1992-08-14

1993-04-20

Rosenbaum, C. Fred

Surgery

Truss

Pad

12866301, 128657, 128 4, 604 93, 604160, 604161, 604280, A61B 814

Patent

active

052033384

ABSTRACT:
An ultrasonic imaging catheter comprises a catheter body having a distal region and proximal region. The distal region has a reduced cross-sectional area compared to that of the proximal region, and the proximal region includes at least two lumens therethrough for accommodating a movable guidewire and a rotatable working element, respectively. The catheter body may be inserted over the moveable guidewire, with the guidewire passing through a lumen in the distal region and the guidewire lumen in the proximal region. After positioning the catheter body, the guidewire can be retracted from the distal region and into the proximal region, leaving the lumen in the distal region available for the rotatable working element. Such a construction allows over-the-wire imaging of the catheter while minimizing the width of the catheter in the distal region which remains available for placement of the working element.

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EndoSonics Corporation, Rancho Cordova, Calif., CathScanner I System.
InterTherapy, Costa Mesa, Calif., InterTherapy Modular System Design.
Diasonics, Milpitas, Calif., Interventional Ultrasound System.
Medi-Tech, Inc., Watertown, Mass., designated Ultrasound Imaging Catheter Catalog No. 01-118.

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