Tip deflectable steerable catheter

Details Tip deflectable steerable catheter Tip deflectable steerable catheter

1991-11-08

1993-03-02

Hirsch, Paul J.

Surgery

Truss

Pad

604164, A61M 2500

Patent

active

051900505

ABSTRACT:
A steerable catheter includes a handle and a catheter tube, the tip of which may be selectively curved by an operator. Three elongated, substantially flat planar shims are juxtaposed in sandwiched relation and mounted within the tip of the catheter tube for movement relative to one another remotely from the catheter handle. When one of the three shims slides relative to the other two, the catheter tube tip bends to attain a user-controlled curvature. A curvature controlling and locking mechanism in the handle permits the operator to readily and accurately effect separate coarse and fine adjustments to the curvature of the catheter tip.

REFERENCES:
patent: 3625200 (1971-12-01), Muller
patent: 3854473 (1974-12-01), Matsuo
patent: 4757827 (1988-07-01), Buchbinder et al.
patent: 4830023 (1989-05-01), de Toledo et al.
patent: 4886067 (1989-12-01), Palermo
patent: 4940062 (1990-07-01), Hampton et al.
patent: 4998916 (1991-03-01), Hammerslag et al.
patent: 5060660 (1991-10-01), Gambale et al.

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