Irrigated focal ablation tip

Details Irrigated focal ablation tip Irrigated focal ablation tip

2007-01-02

2007-01-02

Gibson, Roy D. (Department: 3739)

Surgery

Instruments

Electrical application

C607S105000

Reexamination Certificate

active

10657377

ABSTRACT:
A helical ablation electrode extends from a distal end of the shaft and includes a first portion extending from a first end winding about a first diameter, a second portion extending from the first portion and winding about a second diameter smaller than the first diameter, and a second end terminating the second portion. The electrode further includes a fluid lumen extending from a location in proximity to the first end of the electrode to a location in proximity to the second end of the electrode and in fluid communication with a fluid delivery lumen of the catheter shaft. An irrigation fluid delivered through the fluid delivery lumen of the catheter shaft, from a fluid port, passes through the fluid lumen of the ablation electrode to cool the electrode.

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patent: WO 96/39966 (1996-12-01), None

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