CA2409719A1 - Deflectable tip catheter with guidewire tracking mechanism - Google Patents
Deflectable tip catheter with guidewire tracking mechanism Download PDFInfo
- Publication number
- CA2409719A1 CA2409719A1 CA002409719A CA2409719A CA2409719A1 CA 2409719 A1 CA2409719 A1 CA 2409719A1 CA 002409719 A CA002409719 A CA 002409719A CA 2409719 A CA2409719 A CA 2409719A CA 2409719 A1 CA2409719 A1 CA 2409719A1
- Authority
- CA
- Canada
- Prior art keywords
- catheter
- deflectable tip
- guidewire
- distal end
- end portion
- 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
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B17/2202—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being inside patient's body at the distal end of the catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
- A61B2018/00089—Thermal conductivity
- A61B2018/00095—Thermal conductivity high, i.e. heat conducting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
- A61B2018/0022—Balloons
- A61B2018/00238—Balloons porous
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00273—Anchoring means for temporary attachment of a device to tissue
- A61B2018/00279—Anchoring means for temporary attachment of a device to tissue deployable
- A61B2018/00285—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00375—Ostium, e.g. ostium of pulmonary vein or artery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00898—Alarms or notifications created in response to an abnormal condition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- 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
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N7/00—Ultrasound therapy
- A61N7/02—Localised ultrasound hyperthermia
Abstract
A deflectable tip catheter that is used in combination with a guidewire for delivery of an ablation element to target areas of a patient's vasculature. The deflectable tip catheter has a handle portion, an elongated shaft and a deflectable tip portion. A guidewire lumen extends through the elongated shaft and deflectable tip portion. A guidewire passes through the guidewire lumen and exits from a port in the distal end of the deflectable tip portion. The deflectable tip of the catheter is deflected by manipulation of the handle portion to direct the advancement of the guidewire as the guidewire is advanced out of the distal port. By using the deflectable tip portion to direct the advancement of the guidewire, the physician's ability to navigate sharp angles is greatly improved. The deflectable tip catheter is particularly suitable for delivering an ablation element to a pulmonary vein or pulmonary vein branch for performing circumferential ultrasound vein ablation to treat atrial fibrillation.
Claims (23)
1. A deflectable tip catheter comprising:
an elongated catheter body having proximal and distal end portions;
a guidewire lumen extending along at least a portion of said distal end portion and terminating at a distal port, said guidewire lumen being formed to slidably engage a guidewire;
a deflectable tip located along said distal end portion; and an ablation element disposed on said distal end portion for ablating body tissue.
an elongated catheter body having proximal and distal end portions;
a guidewire lumen extending along at least a portion of said distal end portion and terminating at a distal port, said guidewire lumen being formed to slidably engage a guidewire;
a deflectable tip located along said distal end portion; and an ablation element disposed on said distal end portion for ablating body tissue.
2. The deflectable tip catheter of Claim 1, further comprising a handle for controlling said deflectable tip, said handle being coupled to said proximal end portion of said elongated catheter body.
3. The deflectable tip catheter of Claim 2, further comprising a pull wire having proximal and distal ends, said proximal end of said pull wire being coupled to said handle, said distal end of said pull wire being coupled to said deflectable tip, said handle being capable of causing relative movement between said elongated catheter body and said pull wire thereby causing said deflectable tip to deflect.
4. The deflectable tip catheter of Claim 1, further comprising a torque resistant member extending through said elongated catheter body, said torque resistant member being constructed to transmit torque from said proximal end portion of said elongated catheter body to said distal end portion of said elongated catheter body.
5. The deflectable tip catheter of Claim 1, further comprising an outer extrusion disposed on said elongated catheter body, said outer extrusion being formed of a biocompatible material.
6. The deflectable tip catheter of Claim 1, further comprising an electrical lead lumen extending lengthwise through said elongated catheter body.
7. The deflectable tip catheter of Claim 1, further comprising an anchoring member disposed on said elongated catheter body for releasably anchoring said elongated catheter body to a body structure.
8. The deflectable tip catheter of Claim 7 wherein said anchoring member comprises a basket mechanism.
9. The deflectable tip catheter of Claim 7 wherein said anchoring member comprises a cage mechanism.
10. The deflectable tip catheter of Claim 7 wherein said anchoring member comprises an expandable member.
11. The deflectable tip catheter of Claim 10 wherein said expandable member comprises an inflatable balloon and further comprising an inflation lumen extending lengthwise through said elongated catheter body, said inflation lumen being in fluid communication with said inflatable balloon.
12. The deflectable tip catheter of Claim 1 wherein said ablation element is an ultrasonic transducer.
13. The deflectable tip catheter of Claim 12 wherein said ultrasonic transducer is cylindrical in shape and has an inner surface forming an inner bore which is positioned over and around said elongated catheter body.
14. The deflectable tip catheter of Claim 1 wherein said ablation element comprises an array of ultrasonic transducers.
15. The deflectable tip catheter of Claim 1 wherein said ablation element comprises at least one piezoelectric transducer having at least one electrode on an exposed outer surface of said transducer.
16. The deflectable tip catheter of Claim 1 wherein said ablation element comprises a light emitting transducer.
17. The deflectable tip catheter of Claim 16 wherein said light emitting transducer is a laser.
18. The deflectable tip catheter of Claim 1 wherein said ablation element is a cryogenic ablation device.
19. A deflectable tip catheter comprising:
an elongated catheter body having proximal and distal end portions;
a guidewire lumen extending along at least a portion of said distal end portion and terminating at a distal port, said guidewire lumen being formed to slidably engage a guidewire;
an ablation element disposed on said distal end portion for ablating body tissue; and a means for directing advancement of said guidewire as said guidewire is advanced from said distal port.
an elongated catheter body having proximal and distal end portions;
a guidewire lumen extending along at least a portion of said distal end portion and terminating at a distal port, said guidewire lumen being formed to slidably engage a guidewire;
an ablation element disposed on said distal end portion for ablating body tissue; and a means for directing advancement of said guidewire as said guidewire is advanced from said distal port.
20. A method for placing a therapeutic or diagnostic device within a body structure comprising:
providing a catheter with proximal and distal end portions and a guidewire lumen which extends along at least a portion of said distal end portion and terminates at a distal port, said catheter having said therapeutic or diagnostic device disposed on said distal end portion, said catheter having a deflectable tip located along said distal end portion;
slidably engaging a guidewire within said guidewire lumen;
advancing said distal end portion of said catheter into a patient's body;
deflecting said deflectable tip such that said distal port is positioned to direct advancement of said guidewire toward said body structure; and advancing said guidewire out of said distal port and toward said body structure.
providing a catheter with proximal and distal end portions and a guidewire lumen which extends along at least a portion of said distal end portion and terminates at a distal port, said catheter having said therapeutic or diagnostic device disposed on said distal end portion, said catheter having a deflectable tip located along said distal end portion;
slidably engaging a guidewire within said guidewire lumen;
advancing said distal end portion of said catheter into a patient's body;
deflecting said deflectable tip such that said distal port is positioned to direct advancement of said guidewire toward said body structure; and advancing said guidewire out of said distal port and toward said body structure.
21. The method of Claim 20, further comprising advancing said catheter over said guidewire such that said therapeutic or diagnostic member is positioned at said body structure.
22. The method of Claim 21, further comprising anchoring said catheter to said body structure.
23. A method for placing a therapeutic or diagnostic device at a location where a pulmonary vein extends from an atrium:
providing a catheter with proximal and distal end portions and a guidewire lumen which extends along at least a portion of said distal end portion and terminates at a distal port, said catheter having said therapeutic or diagnostic device disposed on said distal end portion, said catheter having a deflectable tip disposed along said distal end portion;
slidably engaging a guidewire within said guidewire lumen;
advancing said distal end portion of said catheter into an atrium;
deflecting said deflectable tip such that said distal port is positioned to direct advancement of said guidewire toward said location;
advancing said guidewire out of said distal port and toward said location;
advancing said catheter over said guidewire such that said therapeutic or diagnostic element ablation element is positioned at said location; and treating a region of tissue at said location.
providing a catheter with proximal and distal end portions and a guidewire lumen which extends along at least a portion of said distal end portion and terminates at a distal port, said catheter having said therapeutic or diagnostic device disposed on said distal end portion, said catheter having a deflectable tip disposed along said distal end portion;
slidably engaging a guidewire within said guidewire lumen;
advancing said distal end portion of said catheter into an atrium;
deflecting said deflectable tip such that said distal port is positioned to direct advancement of said guidewire toward said location;
advancing said guidewire out of said distal port and toward said location;
advancing said catheter over said guidewire such that said therapeutic or diagnostic element ablation element is positioned at said location; and treating a region of tissue at said location.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20500900P | 2000-05-16 | 2000-05-16 | |
US60/205,009 | 2000-05-16 | ||
PCT/US2001/015947 WO2001087174A1 (en) | 2000-05-16 | 2001-05-16 | Deflectable tip catheter with guidewire tracking mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2409719A1 true CA2409719A1 (en) | 2001-11-22 |
CA2409719C CA2409719C (en) | 2012-05-08 |
Family
ID=22760406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2409719A Expired - Lifetime CA2409719C (en) | 2000-05-16 | 2001-05-16 | Deflectable tip catheter with guidewire tracking mechanism |
Country Status (8)
Country | Link |
---|---|
US (1) | US7089063B2 (en) |
EP (1) | EP1286624B1 (en) |
JP (1) | JP4873816B2 (en) |
AT (1) | ATE400231T1 (en) |
AU (2) | AU2001263221A1 (en) |
CA (1) | CA2409719C (en) |
DE (1) | DE60134739D1 (en) |
WO (1) | WO2001087174A1 (en) |
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- 2001-05-16 CA CA2409719A patent/CA2409719C/en not_active Expired - Lifetime
- 2001-05-16 DE DE60134739T patent/DE60134739D1/en not_active Expired - Lifetime
- 2001-05-16 EP EP01937490A patent/EP1286624B1/en not_active Expired - Lifetime
-
2006
- 2006-09-13 AU AU2006213956A patent/AU2006213956B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE60134739D1 (en) | 2008-08-21 |
AU2006213956B2 (en) | 2010-04-29 |
JP4873816B2 (en) | 2012-02-08 |
ATE400231T1 (en) | 2008-07-15 |
EP1286624A1 (en) | 2003-03-05 |
CA2409719C (en) | 2012-05-08 |
US7089063B2 (en) | 2006-08-08 |
US20020165535A1 (en) | 2002-11-07 |
AU2006213956A1 (en) | 2006-10-05 |
EP1286624B1 (en) | 2008-07-09 |
AU2001263221A1 (en) | 2001-11-26 |
JP2003533268A (en) | 2003-11-11 |
WO2001087174A1 (en) | 2001-11-22 |
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Legal Events
Date | Code | Title | Description |
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EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20210517 |