Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-12-04
1995-01-24
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128 4, 128642, A61M 3700
Patent
active
053838521
ABSTRACT:
A steerable electrocardial catheter comprises an elongated flexible shaft and a flexible tip assembly connected to the distal end of the shaft. The tip assembly comprises a distal section and a proximal section coaxial with the shaft, the stiffness and length of the distal and proximal sections being selected to provide a predetermined curve configuration of the tip assembly when the distal section and/or proximal section is bent. A first pair of pull cables extending through the catheter is anchored at a first point in the tip assembly for bending the proximal section in a predetermined plane. A second pair of pull cables extending through the catheter is anchored at a second point in the tip assembly for bending the distal section in a predetermined plane. Any desired orientation of the bending planes is possible with the invention. A handle/actuator is also disclosed for applying tension to selected ones of the pull cables for controlling the deflection of the tip assembly.
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C. R. Bard Inc.
Maglione Corrine
Rosenbaum C. Fred
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