Enhanced contact steerable bowing electrode catheter assembly

Details Enhanced contact steerable bowing electrode catheter assembly Enhanced contact steerable bowing electrode catheter assembly

1997-04-02

1999-03-09

Getzow, Scott M.

Surgery

Diagnostic testing

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

607125, A61N 105

Patent

active

058792953

ABSTRACT:
A catheter assembly (2) includes a proximal end assembly (4), with four slidable movable manipulators (12, 14, 16, 18) and a bowing catheter (6) extending from the proximal end assembly. The bowing catheter includes an elongate, flexible catheter body (24), having a tip portion (30) carrying electrodes (32), first and second elongate push/pull manipulator wires (26, 28), and a sheath (22) housing the catheter body and manipulator wires. The sheath, catheter body and manipulator wires are each coupled to a manipulator. The manipulator wires are connected to positions (40, 42) on either side of a stiff tip segment (43). The manipulator wires have sufficient columnar strength/stiffness to maintain the tip segment at a range of relatively stable orientations to cause the bowed tip to be deflected in in-plane and out-of-plane deflections.

REFERENCES:
patent: 5431696 (1995-07-01), Atlee, III
patent: 5636634 (1997-06-01), Kordis et al.
patent: 5674274 (1997-10-01), Morgan et al.
patent: 5687723 (1997-11-01), Avitall

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