Soft linear mapping catheter with stabilizing tip

Details Soft linear mapping catheter with stabilizing tip Soft linear mapping catheter with stabilizing tip

2004-11-15

2008-08-12

Cohen, Lee S (Department: 3739)

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

C600S381000

Reexamination Certificate

active

07412273

ABSTRACT:
A catheter adapted for mapping near a tubular region of a heart, has an elongated tubular catheter body having proximal and distal ends, an intermediate section distal of the catheter body, and a mapping assembly at the distal end of the intermediate section. The electrode-carrying mapping assembly has a generally circular main segment with a support member having shape-memory, and a generally linear proximal segment which has greater flexibility than either the intermediate section or the generally circular main segment. The generally circular main segment is adapted to releasably anchor itself in the tubular region and to map circumferentially around the tubular region and the generally linear segment is adapted to contact generally along its length heart wall tissue near an ostium of the tubular region. In another embodiment of the present invention, the mapping assembly extends from the distal end of the catheter body, where the generally linear proximal segment of the mapping assembly has greater flexibility than either the catheter body or the generally circular main segment.

REFERENCES:
patent: 5487385 (1996-01-01), Avitall
patent: 5617854 (1997-04-01), Munsif
patent: 7142903 (2006-11-01), Rodriguez et al.
patent: 2003/0130572 (2003-07-01), Phan et al.
patent: WO 94/16618 (1994-08-01), None
International Search Report dated Mar. 29, 2006 for International Application No. PCT/US2005/041284.
Written Opinion dated Mar. 29, 2006 for International Application No.PCT/US2005/041284.

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