True angular catheter shaft deflection apparatus

Details True angular catheter shaft deflection apparatus True angular catheter shaft deflection apparatus

2006-12-29

2010-06-08

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

07731706

ABSTRACT:
The invention relates to a steerable catheter having a distal section with reduced variation in deflection path during deflection. The distal section of the catheter includes stripes of different material hardness along the length of the distal section affecting the directionality of catheter deflection upon the application of a deflection force like that applied by pull wires. The stripes result in preferential bending in a desired path with greater reproducibility.

REFERENCES:
patent: 5507725 (1996-04-01), Savage et al.
patent: 6500167 (2002-12-01), Webster, Jr.
patent: 6837867 (2005-01-01), Kortelling
patent: 2005/0283135 (2005-12-01), Pepin
Pepin, Henry J. , “Catheter incorporating a curable polymer layer to control flexiblity and method of manufacture”, 2005-0283135.

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