CA2163708A1 - Integrated dual-function catheter system for balloon angioplasty and stent delivery - Google Patents

Integrated dual-function catheter system for balloon angioplasty and stent delivery

Info

Publication number
CA2163708A1
CA2163708A1 CA002163708A CA2163708A CA2163708A1 CA 2163708 A1 CA2163708 A1 CA 2163708A1 CA 002163708 A CA002163708 A CA 002163708A CA 2163708 A CA2163708 A CA 2163708A CA 2163708 A1 CA2163708 A1 CA 2163708A1
Authority
CA
Canada
Prior art keywords
balloon
stent
catheter
angioplasty
stent delivery
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
CA002163708A
Other languages
French (fr)
Other versions
CA2163708C (en
Inventor
Robert E. Fischell
Tim A. Fischell
David R. Fischell
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.)
Cordis Corp
Original Assignee
Robert E. Fischell
Tim A. Fischell
David R. Fischell
Cordis Corporation
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 Robert E. Fischell, Tim A. Fischell, David R. Fischell, Cordis Corporation filed Critical Robert E. Fischell
Publication of CA2163708A1 publication Critical patent/CA2163708A1/en
Application granted granted Critical
Publication of CA2163708C publication Critical patent/CA2163708C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M25/10—Balloon catheters
    • A61M25/104—Balloon catheters used for angioplasty
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/0095—Packages or dispensers for prostheses or other implants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
    • A61F2210/0019—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at only one temperature whilst inside or touching the human body, e.g. constrained in a non-operative shape during surgery, another temperature only occurring before the operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque 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
    • A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
    • A61M2025/0006—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system which can be secured against axial movement, e.g. by using a locking cuff
    • 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

An integrated catheter system utilizes a balloon angioplasty catheter placed through a central passageway of a stent delivery catheter to enable balloon angioplasty and stent delivery to be accomplished with a single device. The integrated catheter system is able to perform dilatation of an arterial stenosis, placement of the stent at the site of the stenosis and then the angioplasty catheter balloon can be used to further embed the stent into the arterial wall. Balloon angioplasty, stent placement and stent embedding into the arterial wall are all accomplished while the catheter's angioplasty balloon remains situated at the site of the stenosis. A conically-shaped distal portion of the stent delivery catheter allows stent placement over the deflated balloon after balloon angioplasty even when intimal dissection causes an intimal flap to be pushed inwardly against the deflated balloon. A proximal portion of the integrated catheter system employs longitudinal motion constraining spacers to prevent the stent from being inadvertently positioned beyond the distal end of the balloon. The balloon of the balloon angioplasty catheter can be readily advanced through tortuous coronary arteries because the distal end of the stent delivery catheter can be placed back by 0.5 to 20 cm from the balloon's proximal end during insertion. Thus, the stiffness of the stent and the stent delivery catheter do not add stiffness to the distal portion of the balloon angioplasty catheter, which stiffness can prevent catheter advancement through such tortuous vessels.
CA002163708A 1994-12-07 1995-11-24 Integrated dual-function catheter system for balloon angioplasty and stent delivery Expired - Lifetime CA2163708C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35149894A 1994-12-07 1994-12-07
US08/351,498 1994-12-07

Publications (2)

Publication Number Publication Date
CA2163708A1 true CA2163708A1 (en) 1996-06-08
CA2163708C CA2163708C (en) 2007-08-07

Family

ID=23381176

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002163708A Expired - Lifetime CA2163708C (en) 1994-12-07 1995-11-24 Integrated dual-function catheter system for balloon angioplasty and stent delivery

Country Status (7)

Country Link
US (1) US5634928A (en)
EP (1) EP0720837B1 (en)
JP (1) JPH08243170A (en)
AT (1) ATE243478T1 (en)
CA (1) CA2163708C (en)
DE (1) DE69531143T2 (en)
ES (1) ES2201089T3 (en)

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EP0720837A1 (en) 1996-07-10
DE69531143D1 (en) 2003-07-31
DE69531143T2 (en) 2004-04-08
JPH08243170A (en) 1996-09-24
US5634928A (en) 1997-06-03
AU705243B2 (en) 1999-05-20
EP0720837B1 (en) 2003-06-25
CA2163708C (en) 2007-08-07
AU3901995A (en) 1996-06-13
ATE243478T1 (en) 2003-07-15
ES2201089T3 (en) 2004-03-16

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