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Bi-directional catheter assembly and method therefor

Info

Publication number
CA2554549A1
CA2554549A1 CA 2554549 CA2554549A CA2554549A1 CA 2554549 A1 CA2554549 A1 CA 2554549A1 CA 2554549 CA2554549 CA 2554549 CA 2554549 A CA2554549 A CA 2554549A CA 2554549 A1 CA2554549 A1 CA 2554549A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
tubular
support
catheter
deflectable
actuator
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
CA 2554549
Other languages
French (fr)
Other versions
CA2554549C (en )
Inventor
Greg Pudelko
Brian Fischer
Brian Honebrink
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.)
Greatbatch Ltd
Original Assignee
Enpath Medical, Inc.
Greg Pudelko
Brian Fischer
Brian Honebrink
Quan Emerteq Corp.
Greatbatch Ltd.
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133Tip steering devices
    • A61M25/0147Tip steering devices with movable mechanical means, e.g. pull wires

Abstract

A catheter assembly includes a catheter body and housing attached to the catheter body proximal end, where an actuator lumen extends through the catheter body. A flexible element extends from an actuator member within the housing through the actuator lumen to a deflectable distal end. A first tubular support is provided that is coupled to the flexible element. A second tubular support is coupled with the first tubular support and slidably coupled to the flexible element. In one option, the first tubular support and second tubular support constrain lateral movement of the flexible element when the catheter assembly is operated.

Claims (25)

1. A deflectable catheter assembly comprising:
a catheter body extending from a deflectable distal end to a proximal end and having an intermediate portion therebetween, wherein the catheter body includes an actuator lumen;
a housing coupled to the proximal end of the catheter body;
a flexible element extending from the housing through the actuator lumen, to the deflectable distal end, wherein the deflectable distal end is controllable by the flexible element; and a first tubular support coupled to the flexible element therein and coupled to an actuator mechanism disposed within the housing.
2. The deflectable catheter assembly of claim 1, further comprising:
a second tubular support telescopically coupled with the first tubular support.
3. The deflectable catheter assembly of claim 2, wherein a second tubular support inner surface is dimensioned and configured to snugly envelop and slidably couple with the flexible element.
4. The deflectable catheter assembly of any of the above-recited claims, wherein a first tubular support outer surface has a complementary perimeter dimensioned and configured to slidably couple with a surface defining the actuator lumen.
5. The deflectable catheter assembly of 4, wherein the surface defining the actuator lumen has a circular geometry.
6. The deflectable catheter assembly of any of claims 2 - 5, wherein a first tubular support intermediate surface and a second tubular support intermediate surface are dimensioned and configured to slidably couple the first tubular support with the second tubular support.
7. The deflectable catheter assembly of any of claims 1 - 6, wherein a first tubular support intermediate surface, a first tubular support outer surface, and a first tubular support inner surface define at least one first tubular support finger.
8. The deflectable catheter assembly of any of claims 2 - 7, wherein a second tubular support intermediate surface, a second tubular support outer surface, and a second tubular support inner surface define at least one second tubular support finger.
9. The deflectable catheter assembly of any of claims 2 - 8, wherein a second tubular support inner surface is dimensioned and configured to snugly envelop and slidably couple with a first tubular support outer surface.
10. The deflectable catheter assembly of any of claims 1 - 9, wherein a first tubular support outer surface is dimensioned and configured to slidably couple with a surface defining the actuator lumen.
11. The deflectable catheter assembly of any of claims 2 - 10, wherein the first tubular support and second tubular support have a substantially similar outer perimeter.
12. The deflectable catheter assembly of any of claims 2 - 11, wherein a surface defining the actuator lumen is dimensioned and configured to snugly couple with the first tubular support and second tubular support.
13. The deflectable catheter assembly of any of claims 2 - 12, wherein the second tubular support is coupled with a surface defining the actuator lumen.
14. The deflectable catheter assembly of any of claims 2 - 13, wherein an intermediate surface of the first tubular support and an intermediate surface of the second tubular support are dimensioned and configured to slidably couple the first tubular support with the second tubular support.
15. The deflectable catheter assembly of claim 14, wherein a second tubular support intermediate surface, the second tubular support outer surface, and the second tubular support inner surface define at least one second tubular support finger.
16. A deflectable catheter assembly comprising:
a catheter body extending from a deflectable distal end to a proximal end and having an intermediate portion therebetween, wherein the catheter body includes an actuator lumen;
a housing attached to the proximal end of the catheter body;
a flexible element extending from the housing through the actuator lumen, to the deflectable distal end, wherein the deflectable distal end is controllable by the flexible element; and means for constraining lateral movement of the flexible element within the actuator lumen.
17. The deflectable catheter assembly of claim 16, wherein the means for constraining lateral movement of the flexible element includes:
a first tubular support coupled to the flexible element and coupled to an actuator mechanism disposed within the housing; and a second tubular support coupled to a surface defining the actuator lumen and slidably coupled to the first tubular support.
18. The deflectable catheter assembly of claim 17, wherein a first tubular support outer surface has an outer perimeter dimensioned and configured to snugly couple with a surface defining the actuator lumen.
19. The deflectable catheter assembly of claim 17, wherein the first tubular support is slidably coupled with the surface defining the actuator lumen, and the second tubular support is slidably coupled with the first tubular support and slidably coupled with the flexible element.
20. A method comprising:
manipulating a deflectable catheter assembly into a first orientation, the catheter assembly including a catheter body and housing coupled to the catheter body proximal end, an actuator lumen extending therein, a flexible element extending from an actuator member coupled with the housing through the actuator lumen to a deflectable distal end, a first tubular support coupled to the flexible element and coupled to the actuator member, and a second tubular support slidably coupled to the flexible element;
longitudinally advancing the flexible element and first tubular support along the actuator lumen longitudinal axis; and further manipulating the actuator member to thereby advance the flexible element and deflect the deflectable distal end into a disparate orientation.
21. The method as recited in claim 20, further comprising maintaining the second tubular support stationary with respect to the housing, and maintaining the first tubular support and second tubular support in alignment with the actuator lumen longitudinal axis while longitudinally advancing the flexible element.
22. The method of any of claims 20 and 21, further comprising:
telescopically advancing the first tubular support with the actuator member with respect to the second tubular support.
23 The method of any of claims 20 - 22, further comprising:
constraining lateral movement of the flexible element including bracing the flexible element with the first tubular support and second tubular support.
24. The method of any of claims 20 - 23, wherein further manipulating the actuator member to deflect the deflectable distal end into the disparate orientation includes constraining lateral movement of the flexible element within the actuator lumen with the first tubular support and second tubular support.
25. The method of any of claims 20 - 24, wherein further manipulating the actuator member to deflect the deflectable distal end into the disparate orientation includes constraining lateral movement of the flexible element within the actuator lumen with the first tubular support and second tubular support.
CA 2554549 2003-09-24 2004-09-24 Bi-directional catheter assembly and method therefor Active CA2554549C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/670,150 2003-09-24
US10670150 US7588555B2 (en) 2003-09-24 2003-09-24 Bi-directional catheter assembly and method therefor
PCT/US2004/031431 WO2005030312A1 (en) 2003-09-24 2004-09-24 Bi-directional catheter assembly and method therefor

Publications (2)

Publication Number Publication Date
CA2554549A1 true true CA2554549A1 (en) 2005-04-07
CA2554549C CA2554549C (en) 2010-06-29

Family

ID=34313839

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2554549 Active CA2554549C (en) 2003-09-24 2004-09-24 Bi-directional catheter assembly and method therefor

Country Status (4)

Country Link
US (2) US7588555B2 (en)
CA (1) CA2554549C (en)
EP (1) EP1663372B1 (en)
WO (1) WO2005030312A1 (en)

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US7588555B2 (en) * 2003-09-24 2009-09-15 Enpath Medical, Inc. Bi-directional catheter assembly and method therefor
US7497853B2 (en) * 2005-05-05 2009-03-03 Enpath Medical Inc. Deflectable catheter steering and locking system
US20060270976A1 (en) * 2005-05-31 2006-11-30 Prorhythm, Inc. Steerable catheter
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EP1971272A2 (en) 2006-01-09 2008-09-24 VANCE PRODUCTS INCORPORATED d/b/a COOK UROLOGICAL INCORPORATED Deflectable tip access sheath
US7615044B2 (en) * 2006-05-03 2009-11-10 Greatbatch Ltd. Deflectable sheath handle assembly and method therefor
US7674253B2 (en) * 2006-08-18 2010-03-09 Kensey Nash Corporation Catheter for conducting a procedure within a lumen, duct or organ of a living being
US8197464B2 (en) * 2007-10-19 2012-06-12 Cordis Corporation Deflecting guide catheter for use in a minimally invasive medical procedure for the treatment of mitral valve regurgitation
US20090105815A1 (en) * 2007-10-19 2009-04-23 Matthew Krever Push-in retainer system for use in the direct plication annuloplasty treatment of mitral valve regurgitation
US9675369B2 (en) * 2007-12-18 2017-06-13 Boston Scientific Scimed, Inc. Multi-functional medical device
US8808345B2 (en) 2008-12-31 2014-08-19 Medtronic Ardian Luxembourg S.A.R.L. Handle assemblies for intravascular treatment devices and associated systems and methods
WO2010132560A1 (en) 2009-05-14 2010-11-18 Vance Products Incorporated, D/B/A/ Cook Urological Incorporated Access sheath with active deflection
WO2013022796A3 (en) * 2011-08-05 2013-04-25 Silk Road Medical, Inc. Methods and systems for treatment of acute ischemic stroke
US9433752B2 (en) 2012-11-14 2016-09-06 Biosense Webster (Israel) Ltd. Catheter with flat beam deflection in tip
US9050010B2 (en) 2012-12-31 2015-06-09 Biosense Webster (Israel) Ltd. Double loop lasso with single puller wire for bi-directional actuation
CN103071230B (en) * 2013-01-28 2014-12-03 湖南埃普特医疗器械有限公司 Controllable bent guiding catheter and manufacture method thereof
US9265512B2 (en) 2013-12-23 2016-02-23 Silk Road Medical, Inc. Transcarotid neurovascular catheter

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Also Published As

Publication number Publication date Type
EP1663372B1 (en) 2016-06-01 grant
US20090312699A1 (en) 2009-12-17 application
US8007463B2 (en) 2011-08-30 grant
US7588555B2 (en) 2009-09-15 grant
US20050065467A1 (en) 2005-03-24 application
WO2005030312A1 (en) 2005-04-07 application
CA2554549C (en) 2010-06-29 grant
EP1663372A1 (en) 2006-06-07 application

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