Ultrasonic imaging catheter with guidewire channel

Details Ultrasonic imaging catheter with guidewire channel Ultrasonic imaging catheter with guidewire channel

1989-10-17

1991-06-18

Howell, Kyle L.

Surgery

Truss

Pad

12866206, A61B 814

Patent

active

050242342

ABSTRACT:
Intravascular catheters including both a flexible catheter body and a less flexible housing mounted at a distal end of the catheter body are provided with a flexible distal tip, preferably having a conical geometry. Guidewire channel or lumen is formed within the tip, and optionally additional guidewire lumens are formed in the housing or the distal end of the catheter body, or both. The catheters may thus be inserted and withdrawn over a guidewire without the need for the entire length of the catheter to pass over the guidewire.

REFERENCES:
patent: 4402684 (1983-09-01), Jessup
patent: 4748982 (1988-06-01), Horzewski et al.
patent: 4762129 (1988-08-01), Bonzel
patent: 4794931 (1989-01-01), Yock
patent: 4821731 (1989-04-01), Martinelli et al.
Medi-Tech, Incorporated, "Ultrasound Imaging Catheter", Cat. No. 01-118, Aug. 1989.
"Announcing the Family of 2.5 mm Laserprobes" dated Dec., 1987.
Intravascular Ultrasound, edited by Bom and Roelandt, Kluwer Academic Publishers, p. 148, 1989.

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