CA2531415A1 - Long travel steerable catheter actuator - Google Patents

Long travel steerable catheter actuator Download PDF

Info

Publication number
CA2531415A1
CA2531415A1 CA002531415A CA2531415A CA2531415A1 CA 2531415 A1 CA2531415 A1 CA 2531415A1 CA 002531415 A CA002531415 A CA 002531415A CA 2531415 A CA2531415 A CA 2531415A CA 2531415 A1 CA2531415 A1 CA 2531415A1
Authority
CA
Canada
Prior art keywords
pulleys
actuation
handle
actuator
wires
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002531415A
Other languages
French (fr)
Other versions
CA2531415C (en
Inventor
John C. Knudson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
St Jude Medical Atrial Fibrillation Division Inc
Original Assignee
St Jude Medical Atrial Fibrillation Division Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Jude Medical Atrial Fibrillation Division Inc filed Critical St Jude Medical Atrial Fibrillation Division Inc
Publication of CA2531415A1 publication Critical patent/CA2531415A1/en
Application granted granted Critical
Publication of CA2531415C publication Critical patent/CA2531415C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0136—Handles therefor

Abstract

The present invention is an electrophysiology,RF ablation, or similar catheter (i.e., catheter or sheath) that includes an actuator that significantly increases the length of travel (i.e., steering travel) of the actuation wires, as compared to the length of travel provided by prior art actuators. The catheter includes a hollow flexible tubular body, a pair of actuation wires disposed in a side-by side relationship in the body, a handle attached to a proximal end of the body, an actuator pivotally mounted to the handle, an arcuate internal gear rack disposed on the actuator, one or more pulleys pivotally mounted, on the handle and coaxially coupled to a pinion gear engaged with the gear rack, and a guide block mounted within the handle. The one or more pulleys include a first channel in which the first actuation wire resides and a second channel in which the second actuation wire resides. The actuation wires pass through holes in the guide block, which aligns the wires into their respective channels. The actuation wires enter into their respective channels on opposite sides of the axis of the one or more pulleys. As the actuator is pivoted relative to the handle, the gear rack rotates the pinion gear and the one or more pulleys. This causes one of the actuation wires to be in-hauled (i.e., wound about the one or more pulleys) and the other actuation wire to be paid-out (i.e.,wound from the one or more pulleys).
CA002531415A 2004-12-28 2005-12-22 Long travel steerable catheter actuator Expired - Fee Related CA2531415C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/024,181 US8583260B2 (en) 2004-12-28 2004-12-28 Long travel steerable catheter actuator
US11/024,181 2004-12-28

Publications (2)

Publication Number Publication Date
CA2531415A1 true CA2531415A1 (en) 2006-06-28
CA2531415C CA2531415C (en) 2009-05-12

Family

ID=35897555

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002531415A Expired - Fee Related CA2531415C (en) 2004-12-28 2005-12-22 Long travel steerable catheter actuator

Country Status (6)

Country Link
US (2) US8583260B2 (en)
EP (1) EP1676596B1 (en)
JP (1) JP4354949B2 (en)
AT (1) ATE429264T1 (en)
CA (1) CA2531415C (en)
DE (1) DE602005014074D1 (en)

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Also Published As

Publication number Publication date
JP4354949B2 (en) 2009-10-28
JP2006187614A (en) 2006-07-20
EP1676596B1 (en) 2009-04-22
DE602005014074D1 (en) 2009-06-04
CA2531415C (en) 2009-05-12
US10022521B2 (en) 2018-07-17
EP1676596A1 (en) 2006-07-05
ATE429264T1 (en) 2009-05-15
US20140046251A1 (en) 2014-02-13
US20060142695A1 (en) 2006-06-29
US8583260B2 (en) 2013-11-12

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