Steerable catheter with fixed curve

Details Steerable catheter with fixed curve Steerable catheter with fixed curve

1996-10-28

1998-07-14

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604281, 128772, A61M 3700

Patent

active

057796696

ABSTRACT:
A steerable catheter is disclosed which includes a complexly curved proximal section shaped to seat the catheter relative to an anatomical feature within a patient. The catheter also includes a flexible intermediate section which has comparatively greater flexibility than other sections of the catheter. The flexible intermediate section bends in response to forces applied by an attached steering device and substantially all of the flex in the catheter may be contained within the flexible intermediate section. The catheter further has a pre-shaped distal section which is urged into contact with tissue within the patient when the flexible intermediate section flexes. In a preferred embodiment, the distal section supports a plurality of ring electrodes and is shaped to generally correspond to the physiology of a wall of the heart.

REFERENCES:
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patent: 3729008 (1973-04-01), Berkovits
patent: 4860769 (1989-08-01), Fogarty et al.
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patent: 4920980 (1990-05-01), Jackowski
patent: 5327905 (1994-07-01), Avitall
patent: 5423772 (1995-06-01), Lurie et al.
patent: 5531685 (1996-07-01), Hemmer et al.
patent: 5549581 (1996-08-01), Lorie et al.
patent: 5603704 (1997-02-01), Brin et al.

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