US 8,556,850 B2Granted

Shaft and handle for a catheter with independently-deflectable segments

AssigneeSt. Jude Medical, Atrial Fibrillation Division, Inc.

InventorTroy T. Tegg

Life of this patent

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Abstract

An elongate medical device with independently-deflectable segments and a handle for manually deflecting those segments can include a shaft having a distal segment and proximal segment, at least one proximal segment deflection wire adapted to deflect the proximal segment, at least one distal segment deflection wire adapted to deflect the distal segment independent of the proximal segment, and a handle portion. The handle portion may comprise a first manual actuation mechanism coupled to the at least one distal segment deflection wire and a second manual actuation mechanism coupled to the at least one proximal segment deflection wire. Actuation of the first manual actuation mechanism may impart a tensile force on the distal segment deflection wire to cause the distal segment to deflect, and actuation of the second manual actuation mechanism may impart a tensile force on the proximal segment to cause the proximal segment to deflect.

Claims13

Dependent claims

An elongate medical device comprising:

a shaft comprising a distal segment and proximal segment and defining a longitudinal axis;
at least one proximal segment deflection wire adapted to deflect said proximal segment;
at least one distal segment deflection wire adapted to deflect said distal segment independent of said proximal segment;
and
a handle portion comprising a first manual actuation mechanism coupled to said at least one distal segment deflection wire and a second manual actuation mechanism coupled to said at least one proximal segment deflection wire;
wherein actuation of said first manual actuation mechanism imparts a tensile force on said distal segment deflection wire thereby causing said distal segment to deflect and actuation of said second manual actuation mechanism imparts a tensile force on said proximal segment thereby causing said proximal segment to deflect;
further wherein at least one of said first manual actuation mechanism and said second manual actuation mechanism comprises an adjusting knob configured to impart a tensile force on the deflection wire with which it is coupled by rotating about the longitudinal axis of said shaft.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/406,152Filed 27 Feb 2012 · continuation in part
Priority: 31 Dec 2008
Published: US 2012/0203169 A19 Aug 2012
Granted: 15 Oct 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

A61M 25/0147
Tip steering devices: with movable mechanical means, e.g. pull wires
A61B 5/283
For electrocardiography [ECG]: invasive
A61M 25/0136
Tip steering devices: handles therefor
B29C 65/02
Joining or sealing of preformed parts , e.g. welding of plastics materials; Apparatus therefor: by heating, with or without pressure

Family

Application12/347,100Parent of this continuation-in-part · filed 31 Dec 2008
Application61/333,641Us provisional application · filed 11 May 2010
Application13/105,646Parent of this continuation-in-part · filed 11 May 2011
US 2012/0203169 A1Pre-grant publication · published 9 Aug 2012
US 8,123,721 B2Parent of this continuation-in-part
US 2010/0168666 A1Published application
US 2011/0282176 A1Published application
US 8,676,290 B2Related patent
US 8,556,850 B2This patent

From the US filing history. Foreign family members aren’t listed.