A catheter has a composite and segmented construction in a distal section that includes deflectable members and support member arranged in alternating sequence, with each support member carrying a ring electrode and the deflectable members being flexible to allow deflection of the distal section as a whole. Carried on an outer surface of the support member is a coil location sensor. The distal section is configured with a distal irrigation fluid path extending axially through the deflectable members and the support members to deliver irrigation fluid to the ring electrode and the tip electrode. A method of constructing a catheter includes building a section of the catheter from the inside out by mounting the support members on a tubing at predetermined locations and filling gaps in between with a more flexible material to form the deflectable members by extrusion segments or injection molding over assembled components internal to the catheter.

Title
CATHETER WITH COMPOSITE CONSTRUCTION
Application Number
15/664624
Publication Number
20170325882 (A1)
Application Date
July 31, 2017
Publication Date
November 16, 2017
IPC
A61B 17/00
A61B 18/14
A61B 17/00
A61B 17/00
A61B 17/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/00
A61B 18/14
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