Catheter with flexible intermediate section

Details Catheter with flexible intermediate section Catheter with flexible intermediate section

1998-07-28

2000-03-14

Buiz, Michael

Surgery

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

Treating material introduced into or removed from body...

604280, A61M 500

Patent

active

06036677&

ABSTRACT:
An intraluminal catheter with an elongated tubular shaft with proximal, intermediate, and distal shaft sections for positioning a therapeutic or diagnostic device within a patient's body region such as a heart chamber. The intermediate shaft section has greater flexibility than the proximal or distal shaft sections, and is preferably of sufficient flexibility to easily assume the curvature of the patient's aortic arch, and reduce the force of contact between the catheter distal end and tissue defining the patient's body region to thereby reduce restriction on the rotation of the catheter. The flexible intermediate shaft section is preferably of a length to occupy a significant portion of the aortic arch, and the catheter overall length is preferably sufficient to have a catheter proximal extremity extending out of the patient and a distal extremity extending at least into an aortic passageway adjacent the patient's left ventricle.

REFERENCES:
patent: 4784639 (1988-11-01), Patel
patent: 5358493 (1994-10-01), Schweich, Jr. et al.
patent: 5807354 (1998-09-01), Kenda
patent: 5911715 (1999-06-01), Berg et al.

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