CA2209366A1 - Incisor-dilator with tapered balloon - Google Patents

Incisor-dilator with tapered balloon

Info

Publication number
CA2209366A1
CA2209366A1 CA002209366A CA2209366A CA2209366A1 CA 2209366 A1 CA2209366 A1 CA 2209366A1 CA 002209366 A CA002209366 A CA 002209366A CA 2209366 A CA2209366 A CA 2209366A CA 2209366 A1 CA2209366 A1 CA 2209366A1
Authority
CA
Canada
Prior art keywords
balloon
stenosis
probe
catheter
dilation
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
CA002209366A
Other languages
French (fr)
Other versions
CA2209366C (en
Inventor
Banning Gray Lary
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.)
InterVentional Technologies Inc
Original Assignee
InterVentional Technologies 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 InterVentional Technologies Inc filed Critical InterVentional Technologies Inc
Publication of CA2209366A1 publication Critical patent/CA2209366A1/en
Application granted granted Critical
Publication of CA2209366C publication Critical patent/CA2209366C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • 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
    • A61B2017/22038—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 with a guide wire
    • 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
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1002—Balloon catheters characterised by balloon shape
    • 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
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material

Abstract

The present invention is a device for incision and dilation of stenotic segments within the vascular system of a patient. Structurally, the present invention includes a rigid ellipsoidal dilation probe mounted at the distal end of a catheter. A series of longitudinally oriented blades project radially from the surface of the probe. A tapered inflatable balloon is also mounted on the catheter in a position that is proximal to the dilation probe. In use, the probe and catheter are advanced over a guidewire to reach the targeted stenotic segment. The probe and blades are then advanced through the stenotic segment to incise the stenosis. The balloon may then be inflated to adopt a tapering fusiform shape, allowing the balloon to be advanced through the stenosis to further dilate the stenosis. Alternatively, the balloon may be positioned across the stenosis and inflated to dilate the stenosis. The fusiform shape of the balloon matches the tapering geometry of many coronary arterial vessels, decreasing the chances that a segment of the vessel will be overpressurized by the inflating balloon.
CA002209366A 1996-09-13 1997-07-03 Incisor-dilator with tapered balloon Expired - Fee Related CA2209366C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71383896A 1996-09-13 1996-09-13
US08/713,838 1996-09-13

Publications (2)

Publication Number Publication Date
CA2209366A1 true CA2209366A1 (en) 1998-03-13
CA2209366C CA2209366C (en) 2004-11-02

Family

ID=24867744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002209366A Expired - Fee Related CA2209366C (en) 1996-09-13 1997-07-03 Incisor-dilator with tapered balloon

Country Status (7)

Country Link
US (1) US6258108B1 (en)
EP (1) EP0829238B1 (en)
JP (1) JPH1094543A (en)
AU (1) AU720376B2 (en)
BR (1) BR9704682A (en)
CA (1) CA2209366C (en)
DE (1) DE69703077T2 (en)

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Also Published As

Publication number Publication date
JPH1094543A (en) 1998-04-14
AU720376B2 (en) 2000-06-01
AU3753597A (en) 1998-03-19
CA2209366C (en) 2004-11-02
EP0829238A1 (en) 1998-03-18
US6258108B1 (en) 2001-07-10
EP0829238B1 (en) 2000-09-13
DE69703077T2 (en) 2001-05-03
BR9704682A (en) 1999-12-28
DE69703077D1 (en) 2000-10-19

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